A - Mathematics and Natural Sciences: Recent submissions
Now showing items 421-440 of 506
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Toksisitas Ekstrak Etanol Mangrove Sonneratia alba terhadap Larva Nyamuk Aedes aegypti
(Jurnal Sains dan Kesehatan, 2020)Mangrove Sonneratia alba adalah salah satu spesies mangrove yang dapat ditemukan di pantai Kalimantan Timur. Mangrove Sonneratia alba mengandung metabolit sekunder yang berpotensi sebagai antioksidan, antibakteri, dan ... -
Antioxidant Activity of Secondary Metabolite Compounds from Lichen Teloschistes flavicans
(Biointerface Research in Applied Chemistry, 2021-03-01)In the last decade, lichen has become a research interest related to exploring secondary metabolites compounds. Lichen is a unique organism and contains specific chemical compounds rarely found in other natural sources; ... -
A Logit Model for Bivariate Binary Responses
(MDPI, 2021-02-16)This article provides a bivariate binary logit model and statistical inference procedures for parameter estimation and hypothesis testing. The bivariate binary logit (BBL) model is an extension of the binary logit model ... -
Geographically Weighted Multivariate Logistic Regression Model and Its Application
(HINDAWI, 2020-08-01)This study investigates the geographically weighted multivariate logistic regression (GWMLR) model, parameter estimation, and hypothesis testing procedures. The GWMLR model is an extension to the multivariate logistic ... -
Pemodelan Matematika Penyebaran COVID19 Tipe SV1V2EIR
(Politeknik Negeri Batam, 2021-12-29)Pemodelan matematika dapat diterapkan diberbagai bidang ilmu seperti bidang sains, sosial, ekonomi, keteknikan maupun bidang ilmu lainnya. Penerapan pemodelan matematika antara lain untuk mendeskripsikan fenomena penyebaran ... -
Population Behavior in the Mathematical Model of the Spread of COVID19 Type SEIRS
(Politeknik Aceh Selatan, 2021-10-18)Mathematical modeling utilized to simplify real phenomena that occur in everyday life. Mathematical modeling is popular to modeling the case of the spread of disease in an area, the growth of living things, and social ... -
Desain Alat Identifikasi Tipe Oli Berdasarkan Nilai Intensitas Cahaya Menggunakan Sensor Light Dependent Resistor Berbasis Mikrokontroler
(Jurnal Fisika Unand, 2021-10-29)Oils have different compatibility within a heavy equipment and affect machine performance. Therefore, an oil type identification tool has been developed in this study using a light dependent resistor (LDR) sensor. The oil ... -
Plant-extract-mediated biosynthesis of silver nanoparticles using Eleutherine americana bulb extract and its characterization
(UNS, 2021-11-17)Plant-extract-mediated biosynthesis of silver nanoparticles using Eleutherine americana bulb extract and its characterization. Nusantara Bioscience 13: 247-254. The plant-based biosynthesis of nanoparticles has gained ... -
Arsenic Speciation in Soils in the Vicinity of a Copper Smelter in Pirdop
(Journal Bulgarian Cemistry and Industr, 2007-12-30) -
Pemanfaatan Cangkang Biji Aren (Arenga pinnata) untuk Arang Aktif Sebagai Adrorben terhadap Penurunan Fenol
(Jurusan Kimia Universitas Mulawarman, 2013-11-16)The Research about utilization of Palm Kernel Shell (Arenga pinnata) for Activet Carbon as Adsorbent for Phenol Rediction has been done. The research own to know then influence of pH, contact time and the optimum of ... -
Perbandingan Metode Pengadukan, Sonifikasi dan Gelombang-Mikro dalam Ekstraksi Spesies Arsenik dalam Tanaman
(Jurusan Kimia Universitas Mulawarman, 2008-11-16) -
Perbandingan Metode Pengocokan, Aliran dan Pencelupan pada Adsorpsi Besi (III) oleh Kitin dari Cangkang Kepiting (Scylla serata)
(Jurnal Kimia Mulawarman, 2007-11-16)Comparitation of Shake Methods, Flow Methods, and Dye Methods on Adsorption of iron (III) by Chitin from Crabshell (Scylla serrata) has been done. Parameters on the research each mass of kitin and duration of Interaction, ... -
INTERPRETASI KECEPATAN GELOMBANG GESER (VS) PADA LAPISAN BAWAH PERMUKAAN DAERAH ‘X’ DENGAN METODE SEISMIK MASW (MULTICHANNEL ANALYSIS OF SURFACE WAVE)
(Geofisika FMIPA Unmul, 2021-02)MASW or Multichannel Analysis of Surface Wave is a seismic method that utilizes the dispersive property of surface wave to interpret surface wave velocity which is directly related to the stiffness of a subsurface layer ... -
INTERPRETASI KECEPATAN GELOMBANG GESER (VS) PADA LAPISAN BAWAH PERMUKAAN DAERAH ‘X’ DENGAN METODE SEISMIK MASW (MULTICHANNEL ANALYSIS OF SURFACE WAVE)
(Geofisika FMIPA Unmul, 2021-02)MASW or Multichannel Analysis of Surface Wave is a seismic method that utilizes the dispersive property of surface wave to interpret surface wave velocity which is directly related to the stiffness of a subsurface layer ... -
MENENTUKAN TINGKAT INTENSITAS RADIASI UV YANG DITERIMA PEKERJA PENGELASAN DENGAN TITIK AREA MATA, SIKU, DAN BETIS
(Prodi Fisika FMIPA Unmul, 2021-06)The aim of this study is to measure the UV intensity received by the welders during working time and compare the results of measured radiation intensity which is obtained with the NAB in Regulation of the Minister of ... -
ANALISIS KOEFISIEN SERAPAN (ABSORPSI) KEBISINGAN PADA BAHAN KAYU (Triplek, Papan Kayu, dan Kalsiboard)
(Prodi Fisika FMIPA Unmul, 2021-06)Noise is an unwanted sound by humans and is an environmental factor that can negatively affect health. To solve the noise problem, different method are made to reduce the noise level. One of the example is by making a ... -
Pembuatan dan Karakterisasi Rochelle Salt Crystal
(Prodi Fisika FMIPA Unmul, 2021-06)Rochelle Salt is the first synthesis Crystal made by Pierre Siegnette La Rocchelle in France. Rochelle Salt has several characteriztion, one of characterization is piezoelectric effect where the crystal can change the ... -
Turnitin: Desa Wisata hidroponik
(2021-08-03)