User talk:Mikhail Ryazanov

Welcome!

Hello, Mikhail Ryazanov, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:

• The five pillars of Wikipedia
• Tutorial
• How to edit a page and How to develop articles
• How to create your first article (using the Article Wizard if you wish)
• Manual of Style

I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{helpme}} before the question. Again, welcome! RJFJR (talk) 17:22, 19 November 2010 (UTC)[reply]

User page

Hey, dude, make a user page! HuskyHuskie (talk) 15:40, 29 May 2011 (UTC)[reply]

What for? — Mikhail Ryazanov (talk) 04:56, 30 May 2011 (UTC)[reply]

Just because . . . it's there. HuskyHuskie (talk) 05:40, 30 May 2011 (UTC)[reply]

Re:

Sorry... i revert your and previously changue:

PS20 and AZ20 are twin 20 MWe ... changued for PS0 and AZ20 are twin 20 MWe ...

was a mistake.. sorry

Takashi Kurita ~ Hablame compañero 08:24, 20 March 2012 (UTC)[reply]

OK, thanks! — Mikhail Ryazanov (talk) 20:24, 20 March 2012 (UTC)[reply]

Coosje van Bruggen

Usually, "by request" is accompanied by an OTRS ticket number in the edit summary or on Talk. Is there any such thing you could add to the Talk page so folks don't try adding these particular images again? Thanks. --Lexein (talk) 02:22, 10 November 2012 (UTC)[reply]

Thanks for the remark! I added a section with corresponding references to the Talk:Coosje van Bruggen page. — Mikhail Ryazanov (talk) 02:51, 10 November 2012 (UTC)[reply]

Thank you for the excellent response. That DMCA takedown was rather extensive - shall I help note on article Talk for the other deleted images? --Lexein (talk) 07:43, 10 November 2012 (UTC)[reply]

Sure. I just saw that DMCA notice accidentally and was making fun of it, but if you can do anything more serious, please go ahead. — Mikhail Ryazanov (talk) 08:54, 10 November 2012 (UTC)[reply]

File:Cupid's Span (censored).jpg listed for deletion

A file that you uploaded or altered, File:Cupid's Span (censored).jpg, has been listed at Wikipedia:Files for deletion. Please see the discussion to see why this is (you may have to search for the title of the image to find its entry), if you are interested in it not being deleted. Thank you. SchuminWeb (Talk) 06:33, 17 November 2012 (UTC)[reply]

Metalloid

Thank you for your elegant edit of the biological interactions section. Sandbh (talk) 12:42, 28 March 2013 (UTC)[reply]

:-) Mikhail Ryazanov (talk) 00:38, 29 March 2013 (UTC)[reply]

why jpeg?

Good point. I have uploaded a new png-version, and made a change to the article on which the image resides. Cheers - DVdm (talk) 07:06, 12 April 2013 (UTC)[reply]

Hello, Mikhail Ryazanov. You have new messages at DVdm's talk page.
You can remove this notice at any time by removing the {{Talkback}} or {{Tb}} template.

(moved)

Dear Mr Ryazanov: I saw your modification to Multivariate normal distribution dated 25/4. You wrote that "^k was missing in normalization factor" but actually the ^k should not be there, since the ${\displaystyle 2\pi }$ is inside the determinant, and ${\displaystyle |2\pi \Sigma |=(2\pi )^{k}|\Sigma |}$, so there's no need for an additional ^k. Hence, I removed it. Cheers. YetAnotherBunny (talk) 14:47, 30 April 2013 (UTC)[reply]

Cubic equation picture

FYI, to replace File:Trigonometric_interpretation_of_a_cubic_with_three_real_roots.png Olin (talk)

Looks good. Can you please upload it to Commons? Then {{vva}} can be added to the old PNG version there. — Mikhail Ryazanov (talk) 05:14, 12 May 2013 (UTC)[reply]

I think i did that right. Olin (talk) 12:58, 12 May 2013 (UTC)[reply]

Now — yes. :-) I marked the local file as duplicate and added {{vva}} to the old PNG and JPEG versions. — Mikhail Ryazanov (talk) 03:33, 13 May 2013 (UTC)[reply]

This one is next! Olin (talk) 14:55, 13 May 2013 (UTC)[reply]

Disambiguation link notification for June 1

Hi. Thank you for your recent edits. Wikipedia appreciates your help. We noticed though that when you edited BD+, you added a link pointing to the disambiguation page Rep (check to confirm | fix with Dab solver). Such links are almost always unintended, since a disambiguation page is merely a list of "Did you mean..." article titles. Read the FAQ • Join us at the DPL WikiProject.

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 12:11, 1 June 2013 (UTC)[reply]

The Nordic Council logo

There's also a local copy over here which I've nominated for discussion at Wikipedia:Possibly unfree files/2013 June 23. Please feel free to comment. Regards, De728631 (talk) 20:45, 23 June 2013 (UTC)[reply]

Shear rate

Hello, Mikhail Ryazanov. You have new messages at Peter Chastain's talk page.
Message added 15:21, 14 October 2013 (UTC). You can remove this notice at any time by removing the {{Talkback}} or {{Tb}} template.[reply]

Wikipedia talk:Manual of Style/Capital letters#Capitalize names of art genres?

Hi there, you may well want to join the resumed discussion on capitalisation of art movements at WT:MOSCAPS. I've started a proposal for a dedicated section in the MoS. Ham II (talk) 13:49, 10 January 2015 (UTC)[reply]

SecureDigital

Why did you undo the revision 643960041 of SecureDigital? --Txt.file (talk) 13:15, 5 February 2015 (UTC)[reply]

The link to WP:UNITS included in the edit summary explains what was wrong. Specifically, the unit name "volt" must not be capitalized, and the adjective form must be hyphenated.

Regarding   and {{nbsp}}, I don't really care, although the former is shorter, and {{nobr|156 MB/s}} would be more readable (WP:UNITS actually suggests   or {{nowrap|...}}, which is the same as {{nobr|...}}). — Mikhail Ryazanov (talk) 00:07, 6 February 2015 (UTC)[reply]

Suggestion

Can we please restart the discussion—my suggestion would be for you to delete your last two comments and my comment, perhaps with an edit summary like "per discussion at my talk". That's just a suggestion because I might not have much that is useful to say because the module essentially emulates what the old templates did, so the original thinking is from years ago. I'm distracted with off-wiki issues at the moment and may not reply for a while. Johnuniq (talk) 06:11, 8 February 2015 (UTC)[reply]

Done, please go ahead. Of course, it's not urgent, but it would be nice to clarify this issue eventually. — Mikhail Ryazanov (talk) 07:16, 8 February 2015 (UTC)[reply]

Being civil

You've been around long enough to know better than to be WP:UNCIVIL, particularly when it concerns WP:ESs: your ES here is not appreciated. Do not make assumptions as to what I do or do not intend to do, therefore please refrain from warning me off by chastising me with "and do not revert other changes". Just as your error as to the alcohol figures were accepted as good faith errors, neither did I notice that you'd changed one word lower in that particular edit. Thank you for your courtesy and understanding. --Iryna Harpy (talk) 05:20, 23 March 2015 (UTC)[reply]

I sincerely apologize if my summary upset you, I had no intention to do so. If you think that I was "chastising you" because I omitted the word "please", I assure you that it was done only because I thought that it would not fit in the allowed space and I was not considering it that important. The whole "do not revert" part was merely a suggestion, or an appeal, to be more attentive and considerate to other editors' contributions. Namely, my edit included several corrections:

• replaced the spaced hyphen with the unspaced en dash in the range (MOS:ENDASH),
• removed the duplicate "%" in the range (MOS:PERCENT),
• added a comma before "where" (non-restrictive clause),
• changed "culture is [an] influence" to "culture has [an] influence" (a purely semantic issue, without any implications whether that culture still influences them or not anymore),

but you have reverted everything instead of simply correcting one number that I edited wrongly (deleting "5" instead of "0"), so I just wanted to let you know that this was not a good action. — Mikhail Ryazanov (talk) 06:26, 24 March 2015 (UTC)[reply]

No, you're incorrect. I saw that you'd made a couple of edits and the only revert was this one. The grammar is easily copyedited and, as you can see, I came back to the 'is' business afterwards here. Nevertheless, my apologies for being curt. I'm always careful about explaining as much as possible in the ES. I'm not sure exactly how many characters the summary allows for, but it does allow for around a couple of hundred (now, there's something worth working out).

Now, I'll apologise for not going back to fix the – en dash issue, but the article needs another copyedit in order to address grammatical issues which recently arose due to a little edit war between a couple of editors, neither of whom are native English language speakers. Essentially, it needs to be rounded out a little more, and the language tightened in general. Please see the article's talk page regarding that problem.

I hope that we can dispense with the animosity. I suspect we've both overreacted to a minor misunderstanding. I can see, by your edit history, that you're a good faith editor... so I hope we can be only friendly terms and work collaboratively in future. Nice to make your acquaintance! --Iryna Harpy (talk) 09:29, 24 March 2015 (UTC)[reply]

ArbCom elections are now open!

Hi,
You appear to be eligible to vote in the current Arbitration Committee election. The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to enact binding solutions for disputes between editors, primarily related to serious behavioural issues that the community has been unable to resolve. This includes the ability to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail. If you wish to participate, you are welcome to review the candidates' statements and submit your choices on the voting page. For the Election committee, MediaWiki message delivery (talk) 14:25, 24 November 2015 (UTC)[reply]

Disambiguation link notification for November 26

Hi. Thank you for your recent edits. Wikipedia appreciates your help. We noticed though that when you edited Hornsby-Akroyd oil engine, you added a link pointing to the disambiguation page Heavy oil. Such links are almost always unintended, since a disambiguation page is merely a list of "Did you mean..." article titles. Read the FAQ • Join us at the DPL WikiProject.

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 10:55, 26 November 2015 (UTC)[reply]

Disambiguation link notification for February 7

Hi. Thank you for your recent edits. Wikipedia appreciates your help. We noticed though that when you edited Simple Green, you added a link pointing to the disambiguation page Ppm. Such links are almost always unintended, since a disambiguation page is merely a list of "Did you mean..." article titles. Read the FAQ • Join us at the DPL WikiProject.

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 10:50, 7 February 2016 (UTC)[reply]

Disambiguation link notification for April 17

Hi. Thank you for your recent edits. Wikipedia appreciates your help. We noticed though that when you edited Voitenko compressor, you added a link pointing to the disambiguation page Ames. Such links are almost always unintended, since a disambiguation page is merely a list of "Did you mean..." article titles. Read the FAQ • Join us at the DPL WikiProject.

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 10:18, 17 April 2016 (UTC)[reply]

<center>

Apropos our discussion, I remembered a different form, {{center|xyz}} so I've been converting them. Keith-264 (talk) 11:38, 6 June 2016 (UTC)[reply]

Disambiguation link notification for September 13

Hi. Thank you for your recent edits. Wikipedia appreciates your help. We noticed though that when you edited Darcy–Weisbach equation, you added a link pointing to the disambiguation page Pascal. Such links are almost always unintended, since a disambiguation page is merely a list of "Did you mean..." article titles. Read the FAQ • Join us at the DPL WikiProject.

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 09:59, 13 September 2016 (UTC)[reply]

ArbCom Elections 2016: Voting now open!

Hello, Mikhail Ryazanov. Voting in the 2016 Arbitration Committee elections is open from Monday, 00:00, 21 November through Sunday, 23:59, 4 December to all unblocked users who have registered an account before Wednesday, 00:00, 28 October 2016 and have made at least 150 mainspace edits before Sunday, 00:00, 1 November 2016.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2016 election, please review the candidates' statements and submit your choices on the voting page. MediaWiki message delivery (talk) 22:08, 21 November 2016 (UTC)[reply]

The unit is Kelvin

Dear Mikhail

I have undone your edit on the article "Arrhenius equation" as the unit is called kelvin (K) not kelvins plural. That is also the case if it is 1 kelvin, 2 kelvin etc.

Regards EvilxFish (talk) 10:51, 26 February 2017 (UTC)[reply]

Please read Kelvin#Usage conventions. — Mikhail Ryazanov (talk) 20:26, 26 February 2017 (UTC)[reply]

I think you might be right but I need to look into this further, it seems so weird. In my entire career so far I have always said "22 Kelvin" not "22 Kelvins". Will let you know if I want to continue this dispute further EvilxFish (talk) 23:18, 26 February 2017 (UTC)[reply]

It should be "22 kelvins" — in lowercase and with plural "s". Just like "22 joules", "22 watts", "22 volts" and so on. All style guides and dictionaries are consistent in this respect. — Mikhail Ryazanov (talk) 23:31, 26 February 2017 (UTC)[reply]

concentration unit

I am concerned that you have changed concentration units from mol dm^-3 to mol/L. What is the justification for this change? I believe it is against IUPAC recommendation Petergans (talk) 10:17, 1 March 2017 (UTC)[reply]

I don not know what exactly you are referring to, but "mol dm^-3" should have been changed to at least "mol dm^−3" (see MOS:MINUS). However, I have changed it to "mol/L" ("mole per litre"), since this notation, perfectly acceptable in SI and according to our MOS:NUM, is much cleaner than "mol dm^−3" ("mole decimetre reciprocal cubed", or how do you pronounce it?). Moreover, the prefix "deci-" is discouraged by MOS:NUM, and in pedantic SI this would be "kmol/m^3". — Mikhail Ryazanov (talk) 22:59, 1 March 2017 (UTC)[reply]

Question about Elitzur-Vaidman bomb tester/MZ interferometer

Thanks for your contributions! I hope you can clear this up for me. In regard to the above experiment:

If the bomb is a dud, can there ever be no photon detected at either detector?

In other words, if the bomb is a dud, and the photon remains in its superposition until it reaches the end of both the lower and upper paths and the second half-silvered mirror, can it interfere with itself destructively, resulting in no detection? Or does it always interfere with itself constructively, resulting in a detection at one of the detectors, but never the other one?

Thanks again. Informata ob Iniquitatum (talk) 02:07, 17 August 2017 (UTC)[reply]

In an ideal experiment the photon must reach one of the detectors, since it cannot be absorbed anywhere else (and the energy is conserved, so it cannot just "disappear").

In reality the mirrors are not perfect, so there is a possibility (usually, small) that the photon is absorbed by one of the mirrors and thus does not reach any detector. The detectors are also not perfect, so not every photon absorbed by a detector produces a signal (that is, is "detected" in the experimental sense). And, experimentally, there is no way to make exactly one photon, only the average rate can be controlled, so only the probability of having a given number of photons passing in a given time interval can be known. Thus experiments are always done in terms of statistical measurements, and the analysis takes the non-ideal effects into account. I think, this should be discussed in the experimental articles (I have not read them). — Mikhail Ryazanov (talk) 02:39, 17 August 2017 (UTC)[reply]

ArbCom 2017 election voter message

Hello, Mikhail Ryazanov. Voting in the 2017 Arbitration Committee elections is now open until 23.59 on Sunday, 10 December. All users who registered an account before Saturday, 28 October 2017, made at least 150 mainspace edits before Wednesday, 1 November 2017 and are not currently blocked are eligible to vote. Users with alternate accounts may only vote once.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2017 election, please review the candidates and submit your choices on the voting page. MediaWiki message delivery (talk) 18:42, 3 December 2017 (UTC)[reply]

Can you review my edit?

I added an image to Fermi contact interaction. I'm contacting you since you were one the latest people editing this article and seem knowledgeable about the subject. Keministi (talk) 10:04, 17 November 2018 (UTC)[reply]

ArbCom 2018 election voter message

Hello, Mikhail Ryazanov. Voting in the 2018 Arbitration Committee elections is now open until 23.59 on Sunday, 3 December. All users who registered an account before Sunday, 28 October 2018, made at least 150 mainspace edits before Thursday, 1 November 2018 and are not currently blocked are eligible to vote. Users with alternate accounts may only vote once.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2018 election, please review the candidates and submit your choices on the voting page. MediaWiki message delivery (talk) 18:42, 19 November 2018 (UTC)[reply]

Merry Christmas and Happy New Year

Merry Christmas and a Prosperous 2019!

Hello Mikhail Ryazanov, may you be surrounded by peace, success and happiness on this seasonal occasion. Spread the WikiLove by wishing another user a Merry Christmas and a Happy New Year, whether it be someone you have had disagreements with in the past, a good friend, or just some random person. Sending you a heartfelt and warm greetings for Christmas and New Year 2019. Happy editing, Meatsgains^(talk) 01:39, 24 December 2018 (UTC)[reply] Spread the love by adding {{subst:Seasonal Greetings}} to other user talk pages.

A goat for you!

Thanks for contributing to Wikipedia!!!

Viewratio (talk) 08:31, 17 June 2019 (UTC)[reply]

DipTrace

FYI - in case you are interested about the article deletion discussion for the DipTrace Schematic/PCB software article.

ArbCom 2019 election voter message

Hello! Voting in the 2019 Arbitration Committee elections is now open until 23:59 on Monday, 2 December 2019. All eligible users are allowed to vote. Users with alternate accounts may only vote once. The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail. If you wish to participate in the 2019 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 00:13, 19 November 2019 (UTC)[reply]

Google Code-In 2019 is coming - please mentor some documentation tasks!

Hello,

Google Code-In, Google-organized contest in which the Wikimedia Foundation participates, starts in a few weeks. This contest is about taking high school students into the world of opensource. I'm sending you this message because you recently edited a documentation page at the English Wikipedia.

I would like to ask you to take part in Google Code-In as a mentor. That would mean to prepare at least one task (it can be documentation related, or something else - the other categories are Code, Design, Quality Assurance and Outreach) for the participants, and help the student to complete it. Please sign up at the contest page and send us your Google account address to [e-mail], so we can invite you in!

From my own experience, Google Code-In can be fun, you can make several new friends, attract new people to your wiki and make them part of your community.

If you have any questions, please let us know at [e-mail].

Thank you!

--User:Martin Urbanec (talk) 21:58, 23 November 2019 (UTC)[reply]

Commas

Comma use varies greatly among and within types of English. The Aberfan article is written in British English, which is less prescriptive than in US English. In BrEng, commas are not needed where you are trying to place them. If you dispute this, please do not edit war on the article, but, per WP:BRD, please use the talk page to discuss. - SchroCat (talk) 08:50, 2 February 2020 (UTC)[reply]

SchroCat, these commas are needed in any English. The comma before "which" is requiered, just like in your own second sentence above. The commas before "and" separate independent clauses with different subject-predicate pairs. Otherwise, for example, in "...the tip was saturated and approximately..." the word "approximately" is parsed as connected to "the tip", but actually is connected to "spoil" in the next part. Even if these commas before "and" are not strictly required in BrEng (although the Universities of Bristol and Sussex do not think so), they are not prohibited, and using them helps to avoid "garden-path sentences". So unless you show me a style guide that explicitly forbids them, I'm going to put them back. And if you revert again, your behavior will be reported as disruptive. — Mikhail Ryazanov (talk) 19:18, 2 February 2020 (UTC)[reply]

Thanks for stating in advance that you'll deliberately edit war with me: per WP:STATUS QUO this should give you enough of a clue as to discuss (as requested), rather than edit war. As already explained, British English is less prescriptive than in colonial English, (and is flexible within BrEng too) - SchroCat (talk) 20:05, 2 February 2020 (UTC)[reply]

Now the misguided attempt to report me at ANI has fallen flat, perhaps a discussion would be the best approach. As you have agreed above that some of your suggested versions "are not strictly required in BrEng" we can ignore those and only discuss what you think is left? - SchroCat (talk) 22:15, 2 February 2020 (UTC)[reply]

Concentration unit

The unit mol dm^-3 is pronounced moles per cubic decimetre and there is good reason for preferring this notation. On the molal concentration scale the unit would be mol Kg^-1. The notation mol/Kg is not, as far as I know, in common use. Furthermore, the use of / (slash) is potentially ambiguous, whereas "to the power of -3" is not. A further possible ambiguity is mentioned by Skoog et. al, "Analytical Chemistry", 8th edition, p76, X is the number of moles.. that is contained in 1L of solution (not 1 L of the solvent). This is because the mol fraction unit of concentration is defined as the number of moles of solute divided by the number of moles of solvent and is determined by weighing. (https://goldbook.iupac.org/terms/view/M03970) Concentration scales are clearly defined in the WP article concentration.

I accept that moles per litre is used in common parlance and that the volumetric flasks and pipettes are marked with litre as unit. However, in theoretical presentations (e.g. Wikipedia) mol dm^-3 is preferable because it is unambiguous. Note also that the mass of a given quantity of solution is independent of temperature, whereas its volume is not. That's why volumetric flasks and pipettes have the calibration temperature, usually 25°C, engraved on them. Paradoxically, manufacturers must calibrate flasks and pipettes by weight. Petergans (talk) 09:54, 16 April 2020 (UTC)[reply]

Petergans, I see multiple metrological mistakes here. Please read the SI brochure The International System of Units (the English version starts at p. 117) and, if you wish, Quantities, Units and Symbols in Physical Chemistry, about quantities, dimensions and units. Some key points:

• The expressions ${\displaystyle a/b}$, ${\displaystyle {\frac {a}{b}}}$, ${\displaystyle a\,b^{-1}}$ and ${\displaystyle b^{-1}\,a}$ are completely equivalent. The choice between them is merely a matter of convenience.
• 1 L is completely equivalent to 1 dm^3. By definition.
• Exactly what is divided by what is determined by the quantity definition. For example, ${\displaystyle {\frac {n_{\text{solute}}}{V_{\text{solvent}}}}}$, ${\displaystyle {\frac {n_{\text{solute}}}{V_{\text{solution}}}}}$, ${\displaystyle {\frac {n_{\text{solvent}}}{V_{\text{solute}}}}}$ and ${\displaystyle {\frac {\rho _{\text{solvent}}}{M_{\text{solvent}}}}}$ (here n is amount of substance, V is volume, M is molar mass, ρ is density) are different quantities, but they all have the same dimension ${\displaystyle {\frac {\textsf {N}}{{\textsf {L}}^{3}}}={\textsf {N}}\,{\textsf {L}}^{-3}}$ and all can be expressed in ${\displaystyle {\frac {\text{mol}}{\text{L}}}}$ or ${\displaystyle {\frac {\text{mol}}{{\text{m}}^{3}}}}$, also written as ${\displaystyle {\text{mol}}\;{\text{m}}^{-3}}$ or ${\displaystyle {\text{m}}^{-3}\,{\text{mol}}}$, and other units with the same dimension. There is no way to distinguish such quantities by the form in which their units are written, and no particular units in any particular form are less or more ambiguous that any other.
• Surely, "mol Kg^-1" and "mol/Kg" are not used. Because the correct unit is "mol kg^−1" = "mol/kg", which is commonly used for molality.
• Weight and mass are very different quantities and are not interchangeable. The same mass has different weights in different places on Earth and at different ambient pressures, depending on the substance/object density. For example, helium in a balloon has a negative weight (but a positive mass, of course).
• Negative values must be indicated by the minus sign (−), not by the hyphen (-). See MOS:MINUS. Thus helium-3 (hyphen), but to the power of −3 and dm^−3 (minus), not to the power of -3 and dm^-3.

So, "mol/L" and "mol dm^−3" are exactly the same unit written in different forms. And among these forms, "mol/L" is more convenient because it is easier to read and pronounce and much easier to type (even you cannot type "mol dm^−3" correctly). Moreover, it looks the same in plain text (without formatting) and can be easily copy-pasted without any problems, whereas "mol dm^−3" is much more problematic in this respect.

Besides that, you have again reverted all my edits. First, without reaching a consensus. Second, reverting even those punctuation, stylistic and formatting edits that were not related to the units issue. This is not acceptable. Please undo your incorrect rollback (you can change "mol/L" back to "mol dm^−3" for now, if you wish) and continue this discussion. — Mikhail Ryazanov (talk) 21:55, 16 April 2020 (UTC)[reply]

Your condescending tone is offensive; that is why I prefer to keep this discussion on your talk page. I don't need any lectures on chemical principles. I was a lecturer in chemistry at Leeds University for 39 years and am fully conversant with the issues. What are your credentials regarding chemistry?

You have not presented any compelling reason for making the changes that you propose regarding the unit of concentration. I suggest that the unit mol dm^-3 is to be preferred because dm is a primary SI unit and L is not.

It is preferable that the same conventions are used in all Wikipedia articles where a concentration unit is specified. So, if the convention is changed in this article it must also be changed in many other articles. Petergans (talk) 08:48, 17 April 2020 (UTC)[reply]

Petergans, I have enough competence to see the obvious mistakes that I have described above.

I can repeat that the coherent SI unit is mol/m^3, see table 5 on p. 139 in the SI brochure. Its multiple corresponding to mol/L is kmol/m^3. Writing it as mol dm^−3 is like writing m ms^−1 instead of km/s. And again, the prefix deci- is discouraged here:

The centi-, deci-, deca-, and hecto- prefixes should generally be avoided; exceptions include centimetre, decibel, hectolitre, hectare, and hectopascal.

("decimeter" is not among the exceptions, but notice "hectolitre" there).

The IUPAC recommendations also say that the concentration and solubility SI unit is mol/m^3, as can be seen in the table on p. 48. Notice also the footnote there:

... Units commonly used for amount concentration are mol L^−1 (or mol dm^−3), mmol L^−1 , μmol L^−1 etc., often denoted M, mM, μM etc. (pronounced molar, millimolar, micromolar).

This demonstrates that "mol L^−1" and "mol dm^−3" are the same unit and says nothing about discouraging litres or demanding using cubic decimetres instead.

And once again, dm^-3 violates MOS:MINUS:

Minus / negative ... Do not use hyphens (-) or dashes (– or —).

Regarding changing the conventions in many other articles, mol/L or mol L^−1 is currectly used in 133 arctiles, whereas mol/dm^3 or mol dm^−3 only in 24 arctiles (which I have already mentioned and explained).

Last but not least, I again ask you to return my edits not related to this units issue, which you have incorrectly reverted without any justification. The rules clearly say:

Ultimately, it is the responsibility of the person reverting edits on the page to be sure that any intervening helpful edits are not reverted, or are re-applied to the article. ... When considering reverting multiple edits, one should examine all of the intervening edits. These are often a mix of both helpful and unhelpful edits. The goal is to remove the effect of the unhelpful edits and leave the helpful ones. ... Having an edit reverted can be upsetting to other editors, particularly if considerable time and effort were put into performing the edit.

So even if you don't like my changes of the units to "mol/L", this is not a valid reason to revert everything else, especially since the units were a minor part of my edits there. — Mikhail Ryazanov (talk) 02:59, 18 April 2020 (UTC)[reply]

I do not question your competence. The issue arises from an apparent lack of experience in the field of stability constants. The discussion on this page of WP shows that there is no compelling reason for preferring one convention over the other on theoretical grounds. In terms of practise, the software listed at http://www.hyperquad.co.uk/, which I have developed, is cited in more than 1000 publications. It uses the mol dm^-3 convention. That is why I have used it in WP.

By all means make improvements to the article, but please leave the units issue alone. Petergans (talk) 07:30, 18 April 2020 (UTC)[reply]

Disambiguation link notification for May 1

Hi. Thank you for your recent edits. An automated process has detected that when you recently edited Direct Rendering Manager, you added a link pointing to the disambiguation page AGP (check to confirm | fix with Dab solver). Such links are usually incorrect, since a disambiguation page is merely a list of unrelated topics with similar titles. (Read the FAQ • Join us at the DPL WikiProject.)

It's OK to remove this message. Also, to stop receiving these messages, follow these opt-out instructions. Thanks, DPL bot (talk) 12:42, 1 May 2020 (UTC)[reply]

Hoosier cabinet

Hello Mikhail Ryazanov - thank you for your contributions to Hoosier cabinet. I noticed you are adding a period "." to the end of Harvard citations. Is this something new that I should know about? The Wikipedia citation templates examples do not have the "." period. The Template:Harvard citation documentation has examples with periods and examples without periods. Just curious, TwoScars (talk) 20:16, 15 August 2020 (UTC)[reply]

Harvard templates can be used within text, thus they do not produce periods by themselves. However, entries in Footnotes/Citations/References should end with periods. Most templates for endnotes do produce them, but when using other templates or explicit formatting, these periods should be added manually in order to keep the section format consistent. — Mikhail Ryazanov (talk) 20:42, 15 August 2020 (UTC)[reply]

ArbCom 2020 Elections voter message

Hello! Voting in the 2020 Arbitration Committee elections is now open until 23:59 (UTC) on Monday, 7 December 2020. All eligible users are allowed to vote. Users with alternate accounts may only vote once. The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail. If you wish to participate in the 2020 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 02:30, 24 November 2020 (UTC)[reply]

Wikilinks

Why are you replacing perfectly good English Wikipedia wikilinks, such as Mein Kampf, with links to German Wikipedia? Please do not do this again. Beyond My Ken (talk) 05:38, 27 December 2020 (UTC)[reply]

RTFM {{lang}}. — Mikhail Ryazanov (talk) 05:39, 27 December 2020 (UTC)[reply]

Yeah, I see what you're doing now, my mistake. Beyond My Ken (talk) 05:40, 27 December 2020 (UTC)[reply]

A theme

It appears to be a theme in your editing that you have a high degree of confidence in imaginary rules. For example: the OED includes "commercial" being used as a synonym of "TV or radio advertisement" beginning more than 85 years ago:

1935 Fortune Nov. 193 We used no media other than radio to feature this soup..using one-third of our commercials on Campbell's Chicken Soup.

1936 Variety 24 June 55/2 Commercials are restricted to 190 words on an hour program. ...

Though at one point it was restricted to the United States, this nominal usage of the word is widespread and, I suspect, understandable by native speakers of any major variety of English. The phrase "television commercial" sounds completely natural to this native AmEng speaker, while "television advertisement" sounds slightly stilted. I bring this to your attention in the hope that you will reflect on what has led you to repeatedly make confident but insupportable assertions about word usage, and adjust your approach accordingly. --JBL (talk) 14:37, 28 May 2021 (UTC)[reply]

WP:FOLLOWING? ­— Mikhail Ryazanov (talk) 16:56, 28 May 2021 (UTC)[reply]

Yes, it's a good link; have you read it? Correct use of an editor's history includes (but is not limited to) fixing unambiguous errors ... or correcting related problems on multiple articles. --JBL (talk) 17:56, 28 May 2021 (UTC)[reply]

As we have seen, these "unambiguous errors" were not "unambiguous" and not "errors" at all. I personally consider your behavior towards me inappropriate, and several other people on the Language desk gave similar hints to you.

Regarding this particular issue, the word "commercial" in the meaning "advertisement" is merely professional jargon that has entered general informal usage. It is not encyclopedic, so WP (like other encyclopedias and serious documents) has, for example, articles "Television advertisement" and "TV advertisements by country" rather than "... commercials", and there is no reason to deviate from this terminology in other WP articles. — Mikhail Ryazanov (talk) 18:42, 28 May 2021 (UTC)[reply]

No, you are definitely making unambiguous errors; that you don't acknowledge them does not make them less erroneous. (As an example, on the topic of what people on the reference desk say, have you noticed several of them explicitly tell you that I am correct about your choice of venue?) Your level of confidence is out of proportion to your level of expertise; I ask only that you engage in sufficient self-reflection to adjust the former to match the latter. I am genuinely not interested in hounding or harassing you, so I will desist from posting here unless you request that I address something in particular. --JBL (talk) 20:02, 28 May 2021 (UTC)[reply]

As I've said early in the Language desk discussion and explained in the edit that you have just reverted, I want to clarify some issues for myself before starting the discussion on that article talk page. Since you were studying my edit history, you could have noticed that I was making similar edits many times before in many WP articles, but you are the first person who dislikes them to the point of aggressively reverting with, politely saying, unhelpful arguments. And thus, since discussing all these edits on the corresponding article pages would be strange, I've asked for clarifications on the reference desks. (By the way, whom do you mean by "several of them explicitly tell[ing me]"? I see only that one editor replied to you twice, supporting my decision.) I'm sorry, but your whole last reply confirms my sad observation that your statements only reflect your own opinion, in a rather rude tone, unsupported by any objective arguments. However, since I do want to reach some consensus, I don't even think of forbidding you from replying to me here or anywhere else, and only ask you again to be polite, considerate and constructive. — Mikhail Ryazanov (talk) 21:06, 28 May 2021 (UTC)[reply]

To answer your direct question: there are two explicit comments directing you to the article talk page, from Jack of Oz (the very first response to you), from me, and from the IP editor. (I mis-remembered Trovatore's comment as specifying the correct location of discussion, so "several" is an overstatement; "multiple" would have been more accurate.) --JBL (talk) 21:22, 28 May 2021 (UTC)[reply]

Jack of Oz said literally (my emphasis): "would have contested those reversions by reverting them myself. If the first reverter persisted, I'd have gone to the talk page and explained my reasoning." Since I wasn't going to enter an edit war by reverting your last reverts, the time for the talk page simply has not come yet. No indication that my question on the ref desk was misplaced at that time. The "IP editor" had some general remarks (replying to you) that "who is interested in an article will [notice the discussion on its talk page]". I totally agree with this idea, but again, there were no indications that I shouldn't have asked my questions on the ref desk. "The response is then fed back into the talkpage discussion" is exactly what I eventually want to do. I can repeat for you one more time: when I'm ready to return to that article, I'm going to discuss your reverts on the article talk page, but before that let me clarify some issues for myself wherever I see appropriate. — Mikhail Ryazanov (talk) 21:54, 28 May 2021 (UTC)[reply]

At this point we have passed the boundary where dishonesty and incompetence blur together, so I withdraw. Happy editing; please don't mess with any more math articles. -JBL (talk) 22:01, 28 May 2021 (UTC)[reply]

Knudsen mean free path

Hey Mr. Ryazanov, I edited the formula you originally put up for the mean free path on the Knudsen number page. It had density where pressure should be, with density one does nog get a length looking at the dimensions, furthermore the cited source also gives the formula with pressure. However, I have not edited the surrounding formula's as it is unclear to me how they derive to the correct formula for the mean free path. Maybe you want to have a look yourself or explain what you were going for. Thanks in advance.DawsonRyder (talk) 19:13, 20 October 2021 (UTC)[reply]

@DawsonRyder: It would be kind to provide links to the changes you're discussing or at least to the article under question. I guess, you mean the article "Knudsen number", but the last time I've edited it was more than 2 years ago, so I don't even remeber this fact, let alone the details. Now I was able to reconstruct that my edit related to the formula was purely stylistic, whereas the formula itself (with the density instead of the pressure) was already there long before me, added in 2009 by some anonymous editor; I just haven't paid attention that it was wrong. So thanks for correcting it, but I don't really understand why you are addressing me instead of the original author or any other editor of that page... — Mikhail Ryazanov (talk) 20:39, 20 October 2021 (UTC)[reply]

ArbCom 2021 Elections voter message

Hello! Voting in the 2021 Arbitration Committee elections is now open until 23:59 (UTC) on Monday, 6 December 2021. All eligible users are allowed to vote. Users with alternate accounts may only vote once. The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail. If you wish to participate in the 2021 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 00:27, 23 November 2021 (UTC)[reply]

ArbCom 2022 Elections voter message

Hello! Voting in the 2022 Arbitration Committee elections is now open until 23:59 (UTC) on Monday, 12 December 2022. All eligible users are allowed to vote. Users with alternate accounts may only vote once.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2022 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 01:11, 29 November 2022 (UTC)[reply]

{{DISPLAYTITLE:α-Ketoglutaric acid}}

In May 2021 you added

double-{DISPLAYTITLE:α-Ketoglutaric acid}-doubled

to the article on Α-Ketoglutaric acid. This produced exactly the result I would have wanted if I had been editing the page. I would like to do the same thing to hundreds of articles on enzymes that use Α or a or alpha rather than α. When I try, however, it doesn't work. for example, if I add

double-{DISPLAYTITLE:α-Amylose}-doubled

to Alpha-amylase it says

Warning: Display title "α-Amylose" was ignored since it is not equivalent to the page's actual title.

I've also tried using the Move function, but that (in many attempts) is similarly rejected.

Sorry to bother you with this, but as you've succeeded where I've failed you may have a suggestion. Incidentally I've tried various suggestions from experts on the general problem, but nothing has worked. Athel cb (talk) 14:30, 27 June 2023 (UTC)[reply]

@Athel cb: as I understand, the "page's actual title" must indeed match, that is, be "Α-Amylose" (with the capital Greek "Α" as the very first letter). That page, however, already exists as a redirect to "Alpha-amylase", thus the "Move" fails. So you'll first need to make a rename request, as described in the move error message (it can be done as a "technical" request), and after that happens, the "DISPLAYTITLE" should work. Hopefully... — Mikhail Ryazanov (talk) 16:17, 27 June 2023 (UTC)[reply]

@Athel cb: I know it is a bit late, but you might still be interested to know that the lowercase only worked at Α-Ketoglutaric acid because the "A" is not the Latin letter "A", but the Greek letter capital Alpha: "Α". Changing from Latin to Greek is not possible, see WP:DISPLAYLIST. HTH, or at least amuses. ;) Paradoctor (talk) 19:54, 19 August 2024 (UTC)[reply]

Thanks. I don't know if I'll have the energy to go back to Alpha-amylase, but if I do I'll take account of your suggestion. Athel cb (talk) 16:09, 20 August 2024 (UTC)[reply]

Whoops, I meant WP:DISPLAYTITLE, of course. Paradoctor (talk) 16:45, 20 August 2024 (UTC)[reply]

GPCR schematic

Thank you for your helpful schematic showing helix position changes of GPCRs upon activation! I have noticed an error in it: the bottom panel is labelled as being an intracellular perspective, however the anti-clockwise order of the helices (1-7) as depicted would be the result of an extracellular perspective. The source material you have cited has a figure (3b) that is labelled as an extracellular view. I have edited the caption on the GPCR page.

In short the labelling is incorrect and should read extracellular, OR (better) the image should be flipped so that the arrangement of the helices does reflect an intracellular view.

I am happy to make changes to the images if you have a vector version to share. Drtmantis (talk) 11:06, 3 November 2023 (UTC)[reply]

@Drtmantis: I can't recognize which image and page you're talking about. Please provide corresponding links. — Mikhail Ryazanov (talk) 00:55, 4 November 2023 (UTC)[reply]

Sorry Mikhail, I have addressed the wrong account. Please remove the topic as you like. Drtmantis (talk) 12:22, 6 November 2023 (UTC)[reply]

ArbCom 2023 Elections voter message

Hello! Voting in the 2023 Arbitration Committee elections is now open until 23:59 (UTC) on Monday, 11 December 2023. All eligible users are allowed to vote. Users with alternate accounts may only vote once.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2023 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 00:39, 28 November 2023 (UTC)[reply]

List of publications by John B. Goodenough

Dear Mikhail Ryazanov: On 2024-06-11T08:08:44‎ Mikhail Ryazanov deleted List of publications by John B. Goodenough, \\talk contribs‎ m 41,597 bytes −224,070‎ →‎Works: MOS:CAPS, WP:NOTDATABASE (unformatted data dump isn't needed at all) \\ which I originally placed into John B. Goodenough article, and later another user made a separate article for this list. I would like to draw your attention to couple points: 1) You wrote "unformatted" - this is incorrect. My references were formatted using EndNote. 2) There are other Publications Lists on Wikipedia, e.g. List of publications by Ottaviano Petrucci Although, I understand the justification for the WP:NOTDATABASE policy, I feel that this policy is not applied consistently, and that you singled out Goodenough's list among others. I also want to remind both of us, that another user moved my list to a separate article (after receiving my approval). Did you delete, that article too? Walter Tau (talk) 08:44, 21 July 2024 (UTC)[reply]

Dear Mikhail: thank you for pointing out the WP:NOTDATABASE policy. I was not aware of it. However, as I just found out, there is a better way to present a Publications' List in wikipedia. The List can be placed into wiki-data [1], and a link to wiki-data can be provided in the wiki-article. if you have experience with wikidata, could you please do it? I learned about the existence of wikidata only today, and it will take me some time to learn how to make such wikidata. Thank you in advance, WT Walter Tau (talk) 09:45, 21 July 2024 (UTC)[reply]

Before doing anything, it would make sense to have a good answer to the questions what can be the purpose of having that complete publication list here or in Wikidata and why it's better than the existing databases like

• ORCID 0000-0001-9350-3034, John Bannister Goodenough,
• Goodenough, John B.'s publications indexed by the Scopus bibliographic database. (subscription required),
• John B. Goodenough publications indexed by Google Scholar,
• whatever else (by the way, if you go to John B. Goodenough#External links and click "show" at "Authority control databases", you will see a lot of such links there),

which also provide tools like up-to-date statistics, sorting/filtering, abstracts, and so on, that will not be available in what you can do.

Regarding Wikidata in particular, it would be better to ask somewhere at Wikidata:Community portal, but my understanding is that its purpose is mostly to keep structured data that can be used in Wikimedia projects (for example, when referencing sources to support something in Wikipedia articles) rather than storing something that nobody will ever see or look for. And, based on your Wikipedia edits, I don't think that you have enough technical skills to enter all that bibliographic information correctly. For example, "Li+xNi++1-2xni+++xO" in your EndNote dump definitely was not formatted as it should be, but entering it properly into Wikidata will be even more difficult than here (if possible at all, as chemical formulas were not supported properly the last time I've checked). — Mikhail Ryazanov (talk) 03:38, 22 July 2024 (UTC)[reply]

Thank you for your reply. I have a few comments:

1) Scopus, which I also actively use, is not comprehensive. My list for Goodenough comprises entries from Web of Science, SciFinder and The Lens too.

2) I can generate an xml list of Goodenough's work ( or ris, or csv).

3) I would like to place the list to wikidata myself, but I have no experience with that portal.

I will try to find someone who does. Walter Tau (talk) 00:40, 24 July 2024 (UTC)[reply]

ArbCom 2024 Elections voter message

Hello! Voting in the 2024 Arbitration Committee elections is now open until 23:59 (UTC) on Monday, 2 December 2024. All eligible users are allowed to vote. Users with alternate accounts may only vote once.

The Arbitration Committee is the panel of editors responsible for conducting the Wikipedia arbitration process. It has the authority to impose binding solutions to disputes between editors, primarily for serious conduct disputes the community has been unable to resolve. This includes the authority to impose site bans, topic bans, editing restrictions, and other measures needed to maintain our editing environment. The arbitration policy describes the Committee's roles and responsibilities in greater detail.

If you wish to participate in the 2024 election, please review the candidates and submit your choices on the voting page. If you no longer wish to receive these messages, you may add {{NoACEMM}} to your user talk page. MediaWiki message delivery (talk) 00:23, 19 November 2024 (UTC)[reply]