A - Mathematics and Natural Sciences: Recent submissions
Now showing items 201-220 of 503
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Webinar Series 5: Bangga dengan Makanan Tradisional
(2021-06-13) -
Synthesis of Silver Nanoparticle Using Bioreductor Method from Cempedak (Artocarpus integrifolius l. f) Bark Extract
(Mulawarman Press, 2021-10-27) -
Biosynthesis of silver nanoparticles from aqueous extract of Myrmecodia pendans bulb
(AIP Conference Proceedings 2331, 050014 (2021), 2021-04-02)Nanoparticles, especially the silver nanoparticles (AgNPs), have been widely used in different biomedical applications and nanotechnology fields. Bioreduction of silver nitrate (AgNO3) for the biosynthesis of AgNPs can ... -
SINTESIS NANOPARTIKEL PERAK MENGGUNAKAN REDUKTOR ASAM ASKORBAT
(Kimia FMIPA UNMUL, 2021-06-26) -
UJI FITOKIMIA DAN TOKSISITAS (Brine Shrimp Lethality Test) EKSTRAK ETANOL, FRAKSI ETIL ASETAT DAN FRAKSI ETANOL SISA DARI DAUN AJERAN (Bidens pilosa L.)
(Jurusan Kimia FMIPA Universitas Mulawarman, 2021-01-06)Phytochemical test and toxicity in ethanol extract, ethyl acetate fraction and residual ethanol fraction of ajeran leaves (Bidens pilosa L.) has been done. The method used to determine secondary metabolites is clualitative ... -
UJI AKTIVITAS INHIBISI AMILASE PADA TANAMAN Melicope YANG BERPOTENSI SEBAGAI ANTIDIABETES
(Jurusan Kimia FMIPA Universitas Mulawarman, 2021-01-06)The test of amylase inhibition activity of the leaves of Melicope lunu-ankenda and bark of Melicope glabra (BI.) T.G. Hartley extracts were done. The objective of this study was to determine in-vitro α-amylase inhibition ... -
PEMBUATAN KOMPOSIT Zn-Fe3O4/WO 3 DAN APLIKASINYA DALAM PROSES FOTOKATALISIS
(Kimia fmipa unmul, 2021-06-26) -
Preparation of Dye-Sensitized Solar Cell (DSSC) Using TiO2 and Mahkota Dewa Fruit (Phaleria Macrocarpa (Scheff) Boerl.) Extract
(Jurnal Bahan Alam Terbarukan , UNNES, 2021-06-10)A dye sensitized solar cell (DSSC) is a low-cost solar cell with attractive features. DSCC contains of photo electrode, dye, electrolyte, and counter electrode with photo electrochemical system. ... -
Biodiesel (Methyl Esters)
(Maejo International Journal of Energy and Environmental Communication, 2021-04-01)Biodiesel, an environmentally friendly biomass-based fuel, is gaining popularity globally as a cost-effective way to meet rising fuel demand. However, the high cost of raw materials and catalysts continues to ... -
COMPUTATIONAL STUDY OF ZEOLITE LTA (LINDE TYPE A)INTERACTION WITH ALKALINE CATION (Li + , Na + , K + ) USING MOLECULAR MECHANICMETHOD
(Jurnal Kimia Mulawarman, 2021-10-10)Study of computation on zeolite LTA(Linde Type A) interaction with alkaline cation (Li+, Na+, K+) using mechanical moleculer method was conducted. Data processing was conducted computationally using Hyperchem 7.0 with the ... -
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 ... -
Penerapan Geostatistika Ordinary Kriging dalam Estimasi Harga Tanah (Studi Kasus: Kecamatan Samarinda Utara Kota Samarinda)
(Prodi Fisika FMIPA Unmul, 2021-12)The Ordinary kriging geostatistical method is an interpolation method that used spatial data. This method is generally used to estimate coal and mineral resources. However, over time this method is also used in estimating ... -
Study Of Antioxidant Effectiveness Of Meniran Leaf Hybrid (Phyllanthus niruri L.) with TiO2-Chitosan
(Mulawarman Press, 2021-10-06) -
ANALISIS KANDUNGAN LOGAM BERAT Pb DAN Cd DI MUARA SUNGAI MANGGAR BALIKPAPAN
(Program Studi Ilmu Lingkungan, Pascasarjana Universitas Udayana, 2018-11-11)Human activities around the estuary of the Manggar river in Balikpapan produce waste disposal and cause heavy metal contamination such as lead (Pb) and cadmium (Cd) in water bodies.The contaminant can endanger the life ... -
Analysis of Stability Covid19 Spread Mathematical Model Type SV1V2EIR Regarding Both Vaccinated and Not Vaccinated Human Population
(Politeknik Aceh Selatan, 2022-03-02)The Covid19 case dated 11 November 2021 recorded that the human population died from Covid19 (143,595 people) with confirmed cases (4,249,323 cases) and active cases (9,537 cases). Based on these data, it can be concluded ... -
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 ... -
Pelatihan Penggunaan Chemistry Board Games dalam Pembelajaran Kimia bagi Guru-Guru SMA di Kota Samarinda
(E-Dimas, 2021-09-25)Mata pelajaran kimia merupakan mata pelajaran di tingkat sekolah menengah atas yang sering dianggap sulit dipahami oleh siswa. Tantangan yang sering dihadapi oleh sebagian guru kimia di tingkat Sekolah Menengah Atas (SMA) ...