Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 921-940 of 11354
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Sintesis Isopropil Miristat dari Isopropil Alkohol dan Asam Miristat pada Perbandingan Rasio Molar dan Berat Enzim Lipase Menggunakan Radiasi Mikrowave
(Universitas Sumatera Utara, 2023)The production of isopropyl myristate througli the esterification reaction of myristic acid with, iso prop)1l alcohol has been carried oi t using the lipase en.zyme as a biocatalyst with microwave radiation. ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Batang Kimerah (Flueggea Virosa (Roxb. Ex Willd.) Royle)
(Universitas Sumatera Utara, 2023)Isolation and identification of flavonoid compound from stem bark of kimerah (Flueggea virosa (Roxb. ex Willd.) Royle) have been carried out by maceration extraction using methanol as a solvent. The concentrated methanol ... -
Karakterisasi Hidrolisat Protein Kacang Merah (Phaseolus Vulgaris L.) dan Kacang Hijau (Vigna Radiata)Secara Enzimatis Mengg unakan Enzim Bromelain
(Universitas Sumatera Utara, 2023)Red beans (Phaseolus vulgaris L.) and n1ung beans (Vigna radiata) are vegetable protein sources that generally have co,nplex co,npounds that are difficult to ,netabolize. The production of red bean and 111ung ... -
Penerapan Algoritma Ant Colony Optimization dalam Penyelesaian Capacitated Vehicle Routing Problem untuk Distribusi PT. Amerta Indah Otsuka Medan
(Universitas Sumatera Utara, 2023)Vehicle Routing Problem (VRP) is one of the problems found in Operational Research. The applications of VRP problems can be seen in daily life, such as distributing newspapers to subscribed buyers, determining bus routes, ... -
Pengukuran Medan Listrik di Bawah Saluran Transmisi 150 KV dan Perhitungan dengan Menggunakan Metode Bayangan Kompleks
(Universitas Sumatera Utara, 2023)High voltage and current flowing in the transmission line can cause an electric field. The calculation of electric field strength in high voltage airways will certainly be difficult if done manually, therefore calculating ... -
Analisis Sensitivitas Metode Cutting Plane pada Masalah Optimasi
(Universitas Sumatera Utara, 2023)This research discusses linear programming, which aims to obtain an optimal value to maximize profit in selling various types of filled bread using the cutting plane method to obtain integer results. In addition, sensitivity ... -
Penerapan Metode Hungarian pada Industri Mebel Usaha Makmur
(Universitas Sumatera Utara, 2023)The furniture industry is an industry where raw materials made from wood, rattan and other raw materials will be processed into useful and valuable products. One of these industrial sectors continues to increase in ... -
Penerapan Metode Analytical Hierarchy Process (AHP) dan Simple Additive Weighting (SAW) dalam Penentuan Penerima Bantuan Langsung Tunai Dana Desa (BLT DD)
(Universitas Sumatera Utara, 2023)The government’s plan, called Bantuan Langsung Tunai (BLT), helps underprivileged people with criteria or without criteria by providing cash or other assistance. BLT, PKH, basic food social assistance, house renovations ... -
Penerapan Fuzzy Multiple Attribute Decision Making dengan Metode Simple Additive Weighting dalam Penentuan Guru Teladan
(Universitas Sumatera Utara, 2023)Competition that occurs in the world of education makes schools continue to strive to improve the quality and quality of their schools. This can be done by improving the quality of its resources, namely teachers, by providing ... -
Kajian Metode Analytical Hierarchy Process (AHP) dan Technique for Order Preference By Similarity to Ideal Solution (Topsis) Serta Penerapannya
(Universitas Sumatera Utara, 2023)The Analytical Hierarchy Process (AHP) approach and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method are two methods that are commonly used to handle multicriteria problems. The AHP technique ... -
Isolasi dan Identifikasi Golongan Senyawa Fenolik dari Kulit Batang Saga (Adenanthera Pavonina L)
(Universitas Sumatera Utara, 2023)The phenolic compound had been I solated fro,n the stein bark of the saga (Aden1.u1thera pavonine L.). Iso lation was carried out by meceration extraction method with methanol and 111ethanol extract was re-extracted with ... -
Penaksiran Parameter Regresi Nonlinear Menggunakan Particle Swarm Optimization dan Genetic Algorithm
(Universitas Sumatera Utara, 2023)This research aims to estimate and compare the results of parameter estimation for nonlinear regression using the Particle Swarm Optimization and Genetic Algorithm algorithms. In Nonlinear Regression Models, parameter ... -
Pengaruh Benzoil Peroksida Sebagai Inisiator Pengikat Silang Terhadap Karakteristik Adesif Karet Alam (SIR-10)/Karet Alam Terepoksidasi (KAE) dengan Pengisi Mikrobentonit
(Universitas Sumatera Utara, 2023)This research examined the effect of benzoyl peroxide as a cross-linking initiator on the adhesive characteristics of natural rubber (SIR-10)/epoxidized natural rubber (KAE) with microbentonite filler. Benzoyl peroxide ... -
Pembuatan Natrium Karboksimetil Selulosa (Na-CMC) dari Selulosa Kulit Buah Pinang (Areca Catechu L.) pada Variasi Konsentrasi Naoh
(Universitas Sumatera Utara, 2023)Areca nut shells fro111 a gricultural waste can be used to produce cellulose, which is then converted into sodiu,n carboxynzeth yl cellulose ( Na-CMC ). Cellulose was isolated 11sin g a con1bi11atio11of tw o ,nethods, ... -
Pengaruh Pemberian Susu Kefir dengan Penambahan Ekstrak Bonggol Nanas Terhadap Kadar Glukosa Darah Tikus Wistar yang Diinduksi Streptozotocin
(Universitas Sumatera Utara, 2023)Preparation of kefir combination of goat milk and almond milk using pineapple fruit tuber extract 5%. The variation used in this study was the ratio of goat milk: almond milk (v/v) with a ratio of 20:80, 30:70, 40:60, ... -
Pembuatan Sediaan Emulsi Gel Pelembab yang Mengandung Kitosan Oligosakarida dan Nanogold sebagai Whitening Agent
(Universitas Sumatera Utara, 2023)Research has been carried out on the manufacture of a moisturizing gel emulsion containing chitosan oligosaccharide and nanogold as a whitening agent. Cosmetics have now become an important need for humans, especially ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Buah Pacar Kuku (Lawsonia Inermis L.)
(Universitas Sumatera Utara, 2023)Isolation and identification of fl.avonoid compounds from henna fruit (Lawsonia inermis L.) through phytochemical screening where the ethyl acetate extract of henna fruit is positive.for jl.avonoids with 5% FeC13 reagent ... -
Analisis Persebaran Road Dust Resuspension Suspension (RDR-S) dengan Parameter Logam Besi, Timbal dan Cobalt di Jalan Sisingamangaraja Kota Medan
(Universitas Sumatera Utara, 2023)This research aims to evaluate and analyze the concentration of heavy metal content in Road Dust Resuspension-Suspension and understand its distribution pattern on Jalan Sisingamangaraja, Medan City. The metal concentration ... -
Isolasi dan Identifikasi Golongan Senyawa Fenolik dari Daun Ceri Pantai (Eugenia Reinwardtiana DC.)
(Universitas Sumatera Utara, 2023)Isolation and identification of phenolic compound from cedar bay cherry leaves (Eugenia reinwardtiana DC.) have been carried out by maceration extraction using methanol as a solvent. The concentrated methanol extract was ... -
Pengaruh Variasi Rasio Jumlah Metanol Terhadap Minyak Jarak Pada Konversi Metil Ester dengan Katalis Mesopori Silika Diimpregnasi Kalsium Oksida
(Universitas Sumatera Utara, 2023)Research has been carried out on the effect of CaO addition on mesoporous silica impregnation and its application as a catalyst in castor oil transesterification with variations in the amount ratio of methanol to castor ...