The purpose of this study is to analyze the priority determination of customer complaints by using ranking techniques in decision support systems. Data sources were obtained from PDAM Tirtauli Pematangsiantar by conducting interviews and direct observation. Data obtained directly at PDAM Tirtauli Pematangsiantar. The technique used is the AHP (Analytical Hierarchy Process) method. The assessment criteria used are: Dead Air (K1), Pipeline Damage (K2), Customer Damage Pipeline (K3) and Damage Meter (K4). The results of the study were obtained from 4 criteria, obtained "Dead Water" (K1) with a va…

PT. Andhana Kirana Yasa is a company engaged in car accessories installation services. The speed in the production process and the quality of products produced become the main value to compete with competitors. But to achieve the desired quality there are still problems that are experienced, first reject the unit of production and second, there is a cripple unit (no part), which is the unit in the production process. Still, the stock parts are exhausted in the warehouse so that accessories cannot be installed. The existing problems if not handled quickly and precisely cause a decrease in produ…

Riau Province is one of the regions known for its plantation products, especially in the oil palm sector, so that Riau Province and regional districts focus on oil palm plants as the main commodity of plantations in Riau. Based on data from the Central Bureau of Statistics (BPS) of Riau Province, the annual production of oil palm plantations, especially smallholder plantations in Riau province has always increased. So is the demand for world CPO. But sometimes the selling price of oil palm fresh fruit bunches (FFB) for smallholder plantations always changes due to many influential factors. Wit…

This study examines the role of fiscal policy in the economic growth in 35 Cities/Regency in Central Java Province in 2013 ? 2017. This study using panel data with fixed effect model analysis to explain determinants of economic growth. The result of this study show that determinants of economic growth indicate that tax and personnel expenditure have a negative effect to economic growth. While indirect expenditure has a positive influence on economic growth. The results also suggest that goods and services expenditure have an unsignificant influence on economic growth 35 Cities in Province Cent…

Books play important  role in carrying out education in university. As a media of communication, books are useful in education process. That  is why  the existence of books affects the quality of the university  graduate. Books here means text books which are written  and used in university and arranged from the vision and mission of the university. The result of this research is expected to be beneficial for developing curriculum  which view JAIN as meeting pot/melting pol and the provision  of text books for IAIN is expected  to be compatible the development  oflslamic study either …

Synthetic dyes are very practical to use and can lead to striking color on a colored product. This makes the synthetic dyes are often used in the food and beverage, pharmaceutical and textile. But the waste or residues of synthetic dyes can contaminate the environment than the use of synthetic dyes is often abused, such as the use of non synthetic food dyes in food products, thereby causing harm to consumers. Thus the natural dyes began to be reconsidered for use. Drawbacks of natural dyes extracted the natural dye is a liquid so it is not practical for long-term use. Dye is form in a liquid e…

Tusam is a fast growing tree, adaptable and useful in industry. Mycorrhizal association protect tusam from root pathogen. Disease protection by mycorrhizal fungi has been associated with several mechanism, one of which, antifungal substances chitinase. However, chitinase accumulation in tusam during mycorrhizal symbiosis is not fully understand. The objective of the research was to determine the effect of chitinase antifungal activity of CHIT 52 that purified from 4 weeks age of tusam seedling root. Tusam inoculated with tusam stands soil from Kaliurang as fungi inoculate. The enzyme was purif…

Phenomenon of urea scar-cities  in main area rice production  is going on every year. As the urea is important matter of rice farm, the condition caused social uneasiness.   In-depth study ofurea scar? cities were done at 3 district rice  producers, i.e.:  Grobogan, Klaren and Banyumas  on May -June 2004( while scar-cities is going on) to find out ofurea scar-cities problems  at every trade chain. The method used problem investigation  at farmer level up to producer and to clarification  with agency interrelated.  The data collected analyzed by graphical and tabular presentation.  …

In social forest management, fertilizer were commonly used to increase productivity and accelerate the harvesting time. Incorrect fertilizer application could decrease the productivity and caused environmental pollution.This study aimed to evaluate the effect of fertilizer on the growth of African mahogany (Khaya anthotheca). This research was used Completely randomized blocked design (CRBD) was used. The Treatments tested were: P0= without fertilizer (a control treatment),  P1= chicken manure 5 kg / tree, P2 = goat manure 5 kg/tree, P3= a mixture of chemical fertilizers i.e. a mixture of Ure…

Prices transmission study between paddy grain and rice aimed to find out whether the rice price formation due to the price shock in paddy grain was symetric or asymetric. Weekly data of paddy grain and rice prices from Grobogan, Pati, and Wonogiri Districts, as paddy production center and Semarang as rice demand area, were analyzed. Data were taken from Central Java Food Crops Services and covering a period from January 2000 to April 2003. Results showed that paddy grain and rice prices had the same fluctuation pattern. Paddy grain price shock tend to be transmited smoothly to rice price in pa…

The purpose of research is to improve the quality of scienceinstructionalthrough Science Enviroment Technology and Society (SETS)  model assisted by Power Point media in primary IVA SD Islam Hidayatullah. This research used classroom action research, it conducted in three cyles, each consisting in one meeting with stages of planning, observation, action, and reflection. Data collection techniques were using tests and nontest. The Data were analyzed using quantitative and qualitativeanalysis.The results showed the teacher skills in the first cycle scored 25(enough), the second cyclewas35with (…

The obyective  of this research  is to recognize  the domestic  fowl performance  according  to the quantitative  characteristics   on the location  of RRMC  (Rural Rearing  Multiplication   Centre) Central  Java.  It takes  place  in Kendal  Regency  (Gemuh  Subdistrict},   Pemalang   Regency (Ampelgading    Subdistrict),   Brebes  (Bumiayu  Subdistrict)   and  Sukoharjo   (Bendosari  Sub district).   Domestic  fowls  used in this  study  were  1000 hens dan  I 00 cocks  by the age of 4 to 6 months,  which   located  in 4 areas  of RRMC  in…

The objective of this research was to study response of the growth and yield on soybean varieties against  Imperata cylindrica and Cyperus rotundus competition and to study competitive ability of soybean  varieties against Imperata cylindrica and Cyperus rotundus.  The experimental research was conducted at Karangsari Village, Kembaran, Banyumas.  The experiment used a Randomized Completely Block Design with 2 factors and 4 replications.  Factor 1. Soybean Variety, consisted of Grobogan, Ijen and Sinabung, Factor 2. Weed, consisted of clean weeding, Imperata cylindrica 50 weeds/m2 and Cyp…

Erosion in the watershed generally occurs due to land use that ignores the rules of soil and water conservation. There is much activity carried out by people living on land in the Yeh Leh watershed area, which makes the level of dependence is very enormous.The erosion forecast is using the USLE (Universal Soil Loss Equation) to estimate the erosion swift occurs and to obtain illustration in determining the precise soil and water measures in a region. The determination of land capability classification is using Arsyad’s method (1989) in which to classify the land ability by classifying t…

Kepulauan Indonesia merupakan wilayah yang mendapatkan curah hujan sepanjang tahun, namun jaringan stasiun pengukuran curah hujan di wilayah ini tidak sepadat atau sebanyak seperti di benua besar lainnya. Oleh karena itu, satelit pengamatan curah hujan merupakan solusi terbaik untuk pengamatan dengan cakupan temporal dan spasial yang memadai. Tujuan dari penelitian ini adalah untuk validasi dan prediksi curah hujan bulanan berdasarkan data satelit Tropical Rainfall Measuring Mission Precipitation Radar (TRMM PR). Data yang digunakan adalah curah hujan bulanan dari satelit TRMM PR Level3A25 dan…

This research aims to understand environmental partnerships that have built in Serangan Island, Denpasar, to understand the governance systems based on environmental partnerships in Serangan Island, Denpasar, and analyze adaptive capacity of those governance systems to changes in socioeconomic and environmental conditions in Serangan Island, Denpasar. This research is conducted in the settlements and tourism areas outside the BTID tourism area in Serangan Island, Denpasar, on December 2018 until Februari 2019, using qualitative approach is used through indepth interviews to sixteen informans, …

This study aims to determine the influence of biofilter made from plastic waste to decrease BOD, COD and Ammonia content and to determine the efficacy of its use to decrease BOD, COD and Ammonia content from the hospital’s wastewater. This study utilized aerobic biofilter processing through a batch system. Variables used in this research are wastewater processing through biofilter media made from plastic waste and processing without biofilter media, with 36 hours retention time. The parameters are BOD, COD and Ammonia content. From the statistical analysis, the use of biofilter media ma…

Utilization of detergent in daily life has been widespread due to its effective cleaning features in comparison to ordinary soaps. Detergent has been used by small scale in households and laundry firms, and by large in industries. As detergent utilization increased, its accumulative effects on environment become alarming. he experiment was conducted to determine the effect of detergent on the various in order to investigate the influence of detergent waste on different types of soils and its impacts on growth of Canna flower (Canna indica L.). Experiment was carried out at green house at Anima…

Many activities and the continuous disposal of waste water has resulted water pollution in Tukad Rangda. Tukad Rangda's water quality over the last five years (2012-2016) indicated experiencing contamination with decreasing water quality. The condition indicates the need of serious effort to maintain the water quality of Tukad Rangda. The purpose of this research is to know the perception and behavior of head of household and businesses in conducting waste water management that potentially causing Tukad Rangda water contamination, determining water quality and water quality status based on the…

Ngurah Rai Forest Park Bali is a mangrove conservation which covers 1,373.50 ha; the largest mangrove forest area in Bali. However, its strategic location, in the center of business and the golden triangle of tourism (Sanur, Nusa Dua, and Kuta), creates pressures from various interests. This threat causes 253.40 ha of mangrove forest area in Ngurah Rai Forest Park Bali severely damaged. The aims of this study were: (1) to analyze the forms of land function change occurred in Ngurah Rai Forest Park Bali; (2) to analyze perception of the community around Ngurah Rai Forest Park Bali about mangrov…