Browsing A - Mathematics and Natural Sciences by Title
Now showing items 181-200 of 501
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Hypothesis testing of Geographically weighted bivariate logistic regression
(IOP Publishing Ltd., 2019-12-20)In this study, the hypothesis testing of geographically weighted bivariate logistic regression (GWBLR) procedure is proposed. The GWBLR model is a bivariate logistic regression (BLR) model which all of the regression ... -
Identifikasi Batuan PAF, NAF dan UNCERTAIN dengan Menggunakan Metode NTAPP Pada Area PT. Trubaindo Coal Mining, Melak-Kalimantan Timur
(Indonesian Journal of Chemical Research, 2020-01)ABSTRACT : The research about identification of PAF, NAF and uncertain rock using NTAPP method in the PT. Trubaindo Coal Mining has been done. This research was conducted as an effort to control the potential for the ... -
Identifikasi Komponen Senyawa Kimia Tandan Kosong Kelapa Sawit Kromatografi Gas-Spektrometer Massa (GC-MS)
(Jurnal Riset Teknologi Industri, 2014-12)Waste oil palm empty fruit bunches of oil palm industry is waste that potential continues to increase, but the handling is not maximized and pollute the environment. This research aims to identify the components of ... -
IMPLEMENTASI BAKU MUTU AIR LIMBAH BERBASIS DAYA TAMPUNG BEBAN PENCEMARAN BADAN AIR PENERIMA PADA KEGIATAN PERTAMBANGAN BATUBARA
(Jurnal Kimia Mulawarman, 2013-05)ABSTRACTThis research is based on the fact that many rivers in East Kalimantan are complained to be polluted by coal mining activities even though many rules to protect surface waters are in place and obeyed. To explain ... -
Impregnasi dan Karakterisasi k-Deoiledspent bleaching earth (K-DSBE) Dengan Metode Basah.
(Jurnal Kimia Mulawarman, 2018-05) -
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. ... -
INDIKATOR ASAM BASA DARI EKSTRAK ETANOL PUCUK DAUN PUCUK MERAH (Syzygium oleana)
(JKPK (JURNAL KIMIA DAN PENDIDIKAN KIMIA), 2017-12)Praktikum indikator asam basa alami biasanya dilakukan dengan mengekstrak bahan alam dengan pelarut tertentu, menguji ekstrak dengan berbagai macam larutan asam, basa dan netral, mencatat perubahan warnanya, menyimpulkan ... -
Indikator Keanekaragaman Hayati dalam Mendukung Pengelolaan DAS Berkelanjutan (Studi Kasus Daya Dukung Lingkungan Pemanfaatan Alur Sungai Kedang Kepala untuk Transportasi Tongkang Batubara)
(Fakultas Geografi UGM, 2016-05-12)Daerah Aliran Sungai Kedang Kepala dari muaranya di desa Muara Siran sampai ke desa Senyiur mencapai kurang lebih 107 km. Aliran sungai Kedang Kepala ini dimanfaatkan untuk budidaya perikanan tangkap dan keramba, ... -
Influence of the addition and storage time of crude extract of tea leaves
(American Institute of Physic, 2017)The purpose of this study was to determine the effect of the crude extract of tea leaves (Camellia sinensis L.) and storage time on the content of free fatty acid in palm oil. The dried tea leaves were macerated and ... -
INHIBISI XANTIN OKSIDASE OLEH FRAKSI ETIL ASETAT DARI DAUN JARUM TUJUH BILAH (Pereskia bleo (Kunth) DC) SEBAGAI ANTIHIPERURISEMIA
(Jurnal Atomik, 2018-08)ABSTRACT“Jarum Tujuh Bilah” leaves (Pereskia bleo(Kunth) DC) are a medicinal plant that often used in traditional medicine to reduce uric acid levels. This plant contains secondary metabolites which have the ...