Browsing A - Mathematics and Natural Sciences by Title
Now showing items 144-163 of 501
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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 ... -
Effect of Pulse Electromagnetic Field Exposure on the Expression of Lipo Protein Lipase (LPL) on the Differentiation of Mesenchymal Stem Cell
(IOP Publishing, 2021-10-01)Pulsed electromagnetic fields (PEMFs) have an important role in cell differentiation. Previous study reported that PEMFs had positive and negative effect towards cell differentiation that depends on their frequencies ... -
The Effectiveness of Using Learning Media 3D Pop-Up Chemistry Assisted by Project Based Learning (PjBL) Learning Model Against Student Learning Outcomes on the Subject of Colloid Systems in SMA Negeri 12 Samarinda
(IOSR Journal of Research & Method in Education, 2021-04)Background: Learning media is one important aspect that can affect the quality of student learning at school. Lack of use of media in the learning process can affect student motivation and learning outcomes in schools, ... -
The Effects of Dopant Concentration on the Performances of the a-SiOx:H(p)/a-Si:H(i1)/a-Si:H(i2)/µc-Si:H(n) Heterojunction Solar Cell
(CBIORE, 2022-02-01)In this work, the imbalances in band gap energy between p-window layer and intrinsic layer (p/i interface) in p-i-n type solar cells to suppress charge recombination adopting with the addition of buffer layer, at p/i ... -
Effects of the Ethanol Extracts of Ficus deltoidea leaves on the Reproductive Parameters in Male Mice
(Scientific Foundation SPIROSKI, Skopje, Republic of Macedonia, 2022-01-18)BACKGROUND: Indonesia, and in particular East Kalimantan, has a very high diversity of flora that has the potential to be used as traditional medicine. One type of flora is the leaves of Ficus deltoidea Jack. At present, ... -
Eksperimen Elastisitas Bahan yang Divariasi dengan Menerapkan Prinsip Cantilever Beam di Masa Pandemi Covid-19
(Progressive Physics Journal, 2022-06-30) -
EKSTRAKSI, PEMURNIAN DAN KARAKTERISASI ASAM HUMAT DARI TANAH GAMBUT SAMARINDA
(Prosiding Seminar Nasional Kimia 2021, 2021)Telah dilakukan ekstraksi, pemurnian dan karakterisasi asam humat (AH) dari tanah gambut di daerah Sambutan, Samarinda Kalimantan Timur. Ekstraksi AH dari tanah gambut dilakukan menggunakan larutan basa NaOH 0,1 M sedangkan ... -
Esterification of oil adsorbed on palm decanter cake into methyl ester using sulfonated rice husk ash as heterogeneous acid catalyst
(AIP Publishing, 2017-02-15)Palm Decanter cake (PDC) which is categorized as the waste from palm oil mill has been found to contain residual crude palm oil. The oil adsorbed on the PDC (PDC-oil) can be extracted and potentially used as feedstock for ... -
Esterification of oil adsorbed on palm decanter cake into methyl ester using sulfonated rice husk ash as heterogeneous acid catalyst.
(American Institute of Physich, 2017) -
Evaluation Of Batu Bumbun Sanctuary Ecosystem And Management Strategy Affected By Climate Change In Mahakam Watershed, Kutai Kartanegara, Indonesia
(INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH (IJSTR), 2016-11-10)ABSTRACT: Batu Bumbun Sanctuary (Middle Mahakam Lake) is very important for the fishermen community and Mahakam Irrawaddy Dolphin life concerned to its function as the source of fish and as the feeding ground of Irrawaddy ... -
Evaluation of plasma PDGF and VEGF levels after systemic administration of activated autologous platelet-rich plasma
(Biomedicine, 2021-06-01)Introduction and Aim: Activated autologous platelet-rich plasma (aaPRP) is becoming a popular therapy to accelerate healing in the field of plastic surgery. Platelets, which are abundant in aaPRP, can release many growth ... -
Exploitation of cost‑efective renewable heterogeneous base catalyst from banana ( Musa paradisiaca ) peel for efective methyl ester production from soybean oil
(Springer, 2021-06-02)Biodiesel is one of the biofuel alternatives obtained from vegetable oils and animal fats, currently being used globally to lessen environmental pollutions. In this research investigation, waste banana peels impregnated ... -
FITOREMEDIASI MENGGUNAKAN KAYU APU (Pistia stratiotes L.) DALAM KOLAM BEKAS TAMBANG BATUBARA TERHADAP PENYERAPAN LOGAM MANGAN (Mn) DAN KADMIUM (Cd)
(Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Mulawarman, 2018-04-06) -
Forest Conservation Through Tane'Olen Traditional Tradition Setulang Community of Malinau District North Kalimantan Indonesia
(AASCIT Journal of Environment, 2018-04-10)Abstract: Communities in Setulang and Sengayan, Malinau, East Kalimantan, seem to have understood and are fully aware that forest destruction in the upper reaches of the region can result in floods, declining water quality ... -
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 ...