Browsing A - Mathematics and Natural Sciences by Title
Now showing items 141-160 of 306
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Mapping and Analysis Factors of Affecting Productivity Tropical Rain Forests in East Kalimantan
(2019)Up to 2019, tropical rainforests in East Kalimantan has been experiencing very rapid degradation and continues to shrink. Therefore, it is necessary to evaluate mapping and analysis of factors affecting the productivity ... -
Microelement Analysis In Edible Muscle Of Oreochromis Niloticus From Two Different Age Of Reclaimed Post Coal Mining Ponds East Kalimantan Using Sem-Edx
(INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH, 2021-06)This study aims to evaluate the ultrastructure of the muscle and bioaccumulation of heavy metal elements in Oreochromis niloticus muscle as a biomarker of environmental pollution in post-coal mining ponds. The fishes sample ... -
Modification of Coal Char-loaded TiO2 by Sulfonation and Alkylsilylation to Enhance Catalytic Activity in Styrene Oxidation with Hydrogen Peroxide as Oxidant
(Bulletin of Chemical Reaction Engineering & Catalysis, 2016)The modified coal char from low-rank coal by sulfonation, titanium impregnation and followed by alkyl silylation possesses high catalytic activity in styrene oxidation. The surface of coal char was undergone several steps ... -
Nutrient distribution on soil and aboveground biomass of Macaranga gigantea five years after planting
(2018)The aims of this study were to evaluate growth of M. gigantea and to calculate nutrient distribution in the soil and 5 - year - old M. gigantea . Soil sampling was conducted in all research plots with drill ground at a ... -
Optimasi Kinerja Analitik pada Penentuan Surfakta nAnionik dalam Sampel Air Alam Menggunakan Metode MBAS (Methyl Blue Active Subtance)
(Jurnal Atomik, 2016-03-28)Optimasi Kinerja Analitik pada Penentuan Surfakta nAnionik dalam Sampel Air Alam Menggunakan Metode MBAS (Methyl Blue Active Subtance) -
Pasie Lembang Village Tourism Planning Study Ecotourism-Based
(Politeknik Aceh Selatan, 2022-08-23)Pasie Lembang village is located in South Kluet District, which has excellent natural potential and community. In this village there are tourist attractions that are very important to be developed, including the Pasie ...