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2.370  Articles
1 of 237 pages  |  10  records  |  more records»
Penelitian ini bertujuan untuk mengekstraksi, skrining fitokimia, dan analisa aktivitas mikroba dari daun bangun-bangun dengan menggunakan pelarut etil asetat 70% dan n-heksan. Metode ekstraksi menggunakan metode maserasi. Komposisi kimia senyawa aktif ya... see more

This reseach aims was to find out how much of the total solid waste generated both organic and inorganic solid waste weight calculation is done in the village Batan. This type of research is descriptive research with sampling propotional stratified random... see more

The levels of Pb, Cu, Cd and Zn in sawi (Barsssica rapa), ground kuna (Ipomea reptans), and spinach (Amaranthus tricolor) in the area of Paya Rumput Titipapan Medan village have been done. The goal is to know the levels of these metals in vegetables grown... see more

The purpose of this research is to determine the composition of secondary metabolites of crude extract “bawangbatak” (Allium  cinense) and anti-microbial properties of the extract against Staphylococcus aureus and Escherichia coli. This research was ... see more

This reseach aims to determine the composition of secondary metabolites of kirinyuh leaf extract (Euphatorium ordoratum.L) and antimicrobial properties of the extract against Staphylococcus aureus and Escherichia coli. The study was conducted in three pha... see more

The effect of sulphuric acid fermentation of processed palm oil bunch hydrolysis and on ethanol and sugar production was conducted. The aim was to investigate the hydrolytic optimum required by Saccharomyces cerevisiae for ethanol and sugar production. Ab... see more

This research aims was to analyze the potential of activated charcoal leather cassava in the adsorption process linear compounds alkilbenzene sulfonate (LAS) contained in the liquid waste household detergents. Stages of the study consisted of charcoal for... see more

The title of  this study is the utilization of chitosan from shellfish waste as water purifier. The purpose of the study is to utilize coagulant of shellfish waste in water treatment proes into clear water. The research variabel are the concentration... see more

This study aims to describe the context of literary discourse in the short story Kuli Kontrak by Mochtar Lubis. This research study focuses on the context behind the short story Kuli Kontak by Mochtar Lubis. This research uses descriptive qualitative rese... see more

1 of 237 pages  |  10  records  |  more records»