Browsing A - Mathematics and Natural Sciences by Issue Date
Now showing items 61-80 of 501
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SENYAWA TURUNAN OLEANAN DARI KULIT BATANG Melochia umbellata (Houtt) Stapf var. DEGRABRATA K DAN BIOAKTIVITASNYA
(Seminar Nasional Kimia dan Pendidikan Kimia UNS, 2015-04-18)Senyawa turunan oleanan 3-asetil-12-oleanen-28-oat diisolasi dari fraksi n-heksan kulit batang M. umbellata (Houtt) Stapf var. degrabrata K. Struktur molekul ditentukan melalui analisis data spektroskopi IR, NMR 1D dan NMR ... -
PEMANFAATAN ABU SABUT KELAPA SEBAGAI KATALIS BASA DALAM PEMBUATAN BIODIESEL DARI MINYAK BIJI JARAK PAGAR (JATROPHA CURCAS. L)
(Jurnal Riset Teknologi Industri, 2015-06)ABSTRAK Penelitian tentang pemanfaatan abu sabut kelapa sebagai sumber katalis basa pada aplikasi reaksi transesterifikasi minyak biji jarak pagar (Jatropha curcas. L) telah dilakukan. Karakterisasi kadar basa dalam ... -
Internasional - 2015 JEng n Tech "Rice Husk Silica Supported Oil Palm Fruid Ash As A Catalyst In The "
(2015-06-01)An investigation was conducted on palm oil palm fruit ash (OPFA), OPFA supported by rice husk silica (RHS), and potassium-OPFA-RHS as catalysts for methyl esters production through transesterification process using waste ... -
Thermo-chemical reactions of algae, grape marc and wood chips using a semi-continuous/flow-through system
(Elsevier BV, 2015-06-16)Chlorococcum sp., grape marc, and Pinus radiata have been reacted in a semi-continuous (flow through) system at 425 C under a flow of N2 or H2 and results compared to those from batch autoclave experiments. This paper ... -
Improvement in liquid fuel product quality from reactions of grape marc with CO/H2O
(Elsevier BV, 2015-06-19)Reactions of grape marc with CO/H2O have been investigated over a range of temperatures (320–425 C) with and without added sodium carbonate (Na2CO3) or sodium aluminate (NaAlO2) with a view to optimising liquid fuel quality. ... -
Pemanfaatan Arang Aktif Dari Batubara Kotor (Dirty Coal) Sebagai Adsorben Ion Logam Mn(II) dan Ag(I)
(Jurnal Pendidikan Kimia, 2015-08)Abstract. The research has done about use of activated carbon as an adsorben of dirty coal in metal ions Mn(II) and Ag(I). This research was intended to find the effects of pH value, contact period and to determine the ... -
STUDI PAKAN ALAMI DAN PERILAKU MAKAN BEKANTAN (Nasalis larvatus wurmb.) DI KAWASAN KONSESI PT. PERTAMINA EP ASSET 5 SANGASANGA KABUPATEN KUTAI KERTANEGARA, KALIMANTAN TIMUR
(Program Studi Biologi FMIPA Universitas Mataram, 2015-09)The forest areas in Delta Mahakam were decreasing annually and it has been impact directly to wildlife which used these forests as food sources and live on it. One of those species is proboscis monkey (Nasalis larvatus ... -
Thermochemical Reactions of Blue Gum and Fossil Wood with CO/ H2O: Some Mechanistic Comments
(American Chemical Society, 2015-12-04)Our previous work suggested that liquid product yields from wood, unlike those from other biomass types, were not increased by CO/H2O reaction. Reactions of blue gum (BG) and fossil wood (FW) using high-temperature, ... -
PEMBUATAN SABUN DALAM BENTUK POLIOL DARI MINYAK BIJI KELOR (Moringa oleifera)
(Jurnal Atomik, 2016)Polyol compounds obtained by epoxidation dan hydroxylation, the results obtained with the reaction yield of 69.23%. Potassium soap mixture in the form of a polyol obtained by saponification polyol with Potassium Hydroxide ... -
KARAKTERISTIK CAMPURAN BATUBARA DAN VARIASI ARANG SERBUK GERGAJI DENGAN PENAMBAHAN ARANG TEMPURUNG KELAPA DALAM PEMBUATAN BRIKET
(Jurnal Atomik, 2016)ABSTRACT Penelitian ini bertujuan untuk mempelajari sifat-sifat briket dari campuran antara batubara dengan arang kayu Ulin, Bangkirai dan tempurung kelapa, yaitu dalam rangka mencari sumber energi alternatif. Pembuatan ... -
UJI ANTIHYPERGLIKEMIK EKSTRAK ETANOL AKAR TEMBELEKAN (Lantana camara L.) TERHADAP KADAR GLUKOSA DARAH MENCIT JANTAN (Mus musculus)
(Jurnal Atomik, 2016)ABSTRACT Phytochemical screening from extract ethanol of tembelekan root has been carried out, its showed the presence of alkaloids, phenol, sapponin and flavonoids. Antihyperglikemik test from ethanol extract of tembelekan ... -
UJI FITOKIMIA DAN AKTIVITAS ANTIOKSIDAN EKSTRAK DAUN RAMBUTAN (Nephelium lappaceum)DENGAN METODE DPPH (1,1-diphenyl-2-picryhidrazyl)
(Jurnal Atomik, 2016)ABSTRACT: Research about antioxidant test of rambutan leaves extract (Nephelium lappeceum) by using radical compound DPPH (1,1-diphenyl-2-picrylhidrazil) has been carried out. This research aims to ... -
Rice Husk Silica-Coated Magnetic Particles As A Low Cost Support Material For Crude Pseudomonas aeruginosa Lipase Immobilization.
(Jurnal Kimia Mulawarman, 2016) -
Pemanfaatan limbah padat palm kernel cake (PKC) sebagai sumber karbon aktif dengan proses kimia
(Jurnal Riset Teknologi Industri, 2016-04)ABSTRACT Solid waste of Palm kernel cake (PKC) is a by product of oil extraction from palm nut pose a serious environmental problem in some factories of Palm Kernel Oil (PKO. Thererfore the research about utilization ... -
STUDI JENIS SERBUK SARI YANG TERDAPAT PADA SALURAN PERNAPASAN ATAS PENDERITA ISPA DI RSUD DR. KANUJOSO DJATIWIBOWO BALIKPAPAN
(Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Mulawarman, 2016-04-20)This research was conducted in May 2016 in RSUD dr. Kanujoso Djatiwibowo Balikpapan by using acetolysis method. This aims to determine the pollen morphology and determine the plant species that becomes the pollen ...