Browsing A - Mathematics and Natural Sciences by Issue Date
Now showing items 181-200 of 501
-
Diversity, potentiality, and conservation status of fish fauna in the upper Mahakam’s tributaries, East Kalimantan
(Masyarakat Iktiologi Indonesia, 2019-10-01) -
Effect of organic manure fertilizer on the growth of Macaranga gigantea
(Society for Indonesian Biodiversity., 2019-11)M. gigantea planting research has been conducted in several habitats such as natural forest gaps, drained peatland and soil with highly degraded land for rehabilitation. This study investigated the effect of organic ... -
STUDI MOLEKUL KITOSAN SEBAGAI MEMBRAN PENGHANTAR PROTON (H+ ) DENGAN METODE AB INITIO
(Jurnal Kimia Mulawarman, 2019-11)ABSTRAK Penelitian ini bertujuan untuk mengetahui apakah senyawa kitosan mampu menggantikan kinerja nafion sebagai penghantar proton (H+). Proses pengkajian dan perhitungan dilakukan secara kimia komputasi dengan ... -
STUDI MOLEKUL KITOSAN SEBAGAI MEMBRAN PENGHANTAR PROTON (H+ ) DENGAN METODE AB INITIO
(Jurnal Kimia Mulawarman, 2019-11)Abstract : The aim of this research to know chitosan compound able to replace nafion performance as a conductor of proton (H+). The assessment process and computational chemistry calculations done using ab initio methods. ... -
STUDIMOLEKULKITOSANSEBAGAIMEMBRANPENGHANTARPROTON(H+)DENGANMETODEABINITIO
(Jurnal Kimia Mulawarman, 2019-11)Abstract : The aim of this research to know chitosan compound able to replace nafion performance as a conductor of proton (H+). The assessment process and computational chemistry calculations done using ab initio methods. ... -
Lead Biosorption (Pb) And Cadmium (Cd) By Flavobacterium Sp Bacteria
(2019-11)This research studies the ability of Pb and Cd biosorption by Flavobacterium sp bacteria and the characteristics of bacteria after being exposed to the heavy metal. Heavy metals Pb and Cd with concentrations (2, 4, 6, 8 ... -
Review Result “Modification of Spent Bleaching Earth with WO3 and the Application for Photocatalytic Degradation of Waste Dyestuff under Solar Light”
(Jurnal Bahan Alam Terbarukan, 2019-11) -
2019 JKM YuliYana ISOLATION OF STEROID COMPOUNDS IN THE n-HEKSANA FRACTION FROM JARUM TUJUH BILAH LEAVES EXTRACT (Leuenbergeria bleo (Kunth) D.C.)
(2019-11-01)This study aims to find secondary metabolites isolated from the leaves of the Jarum Tujuh Bilah (Leuenbergeria bleo (Kunth) D.C.). The method used was maceration, fractionation and column chromatography and was identified ... -
2020 J Atomik Damianus CORRELATION OF Pb METAL ION LEVELS ON PROTEIN CONCENTRATION IN CRUSH CONSTRUCTION (Gafrarium tumidium) TAKEN IN THE COAST OF BONTANG, EAST KALIMANTAN
(2019-11-07)Research on the correlation of Pb metal ion levels to protein content in crush clams (Gafrarium tumidium) taken at the coast of the East Kalimantan Rhino Estuary has been conducted. This study aims to determine the levels ... -
Pengaruh Ekstraksi biji dan kombinasi media tanama terhadap penyemaian laban
(Universitas Islam Negeri Syarif Hidayatullah Jakarta, 2019-11-12) -
detection of the oil-producing microalga Botryococcus braunii in natural freshwater environments by targeting the hydrocarbon biosynthesis gene SSL-3
(Nature Publishing Group, 2019-11-18)the green microalga Botryococcus braunii produces hydrocarbon oils at 25–75% of its dry weight and is a promising source of biofuel feedstock. Few studies have examined this species’ ecology in natural habitats, and few ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
(2019-12)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
2019 JBAT Modification of Spent Bleaching Earth with WO3 and the Application for Photocatalytic Degradation of Waste Dyestuff under Solar Light
(2019-12)Degradation of blue dye waste in Sarong Samarinda production using WO3-bleaching earth (BE) has been conducted. Structural and morphological characterization has conducted using X-ray diffraction (XRD), and Scanning ... -
Modification of Spent Bleaching Earth with WO3 and the Application for Photocatalytic Degradation of Waste Dyestuff under Solar Light.
(Jurnal Bahan Alam Terbarukan, 2019-12) -
). Dietary Terminalia catappa leaves reduced growth performance but increased hematological profiles and survival rate of Pangasianodon hypophthalmus.
(IOP Conf. Series: Earth and Environmental Science, 2019-12-01)The aim of this study was to evaluate the effects of different levels dietary supplementation of Terminalia catappa leaves (TCL) viz: 250; 500; and 1000 g kg on the growth, blood profile, and survival of Pangasianodon ... -
Growth performance and carcass composition of African catfish, Clarias gariepinus fed different protein and energy levels
(Iranian Fisheries Research Organization, 2019-12-02)A feeding trial was conducted to evaluate the effects of dietary crude protein and energy levels on the live weight (LW), daily weight gain (DWG), feed conversion rate (FCR), feed efficiency (FE), protein efficiency rate ...