Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 1481-1500 of 11352
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Karakterisasi dan Pembuatan Virgin Candlenut Oil (VCdO) Menggunakan Ekstrak Enzim Bromelin dan Enzim Papain Kasar
(Universitas Sumatera Utara, 2022)Virgin Candlenut Oil (VCdO) can be made enzymatically from bromelain enzyme extract and crude papain enzyme. The purpose of this study was to determine the characteristics of Virgin Candlenut Oil (VCdO) obtained using ... -
Peningkatan Sifat Fisik dan Sifat Mekanik serta Ketahanan Rayap Kayu Simalambuo (Loppopethalum Spp.) dengan Teknik Impregnasi Menggunakan Kombinasi Asap Cair dan Minyak Silikon
(Universitas Sumatera Utara, 2022)Wood is a renewable natural material. Many methods have been used in wood preservation efforts. The use of liquid smoke is very effective in increasing wood resistance to fungi and termites. Researchers combined liquid ... -
Pembuatan Edible Film CMC/Kitosan dengan Penambahan Antioksidan dari Ekstrak Daun Kelor (Moringa Oleifera L.)
(Universitas Sumatera Utara, 2022)Research on the synthesis of edible film CMC/Chitosan with the addition of antioxidants from Moringa leaf extract has been carried out. Moringa leaf extract used has been tested for its antioxidant activity by the DPPH ... -
Model Optimisasi Rantai Pasok Distribusi Logistik dalam Konteks E-Commerce
(Universitas Sumatera Utara, 2022)Two Echelon- Multi Depot Capacitated Vehicle Routing Problem (2E-MDCVRP) is a multi-depot, capacity, and two-echelon vehicle routing problem. This dissertation aims to develop a 2E-MDCVRP model that can be used to solve ... -
Kepadatan, Ciri Morfometrik dan Pola Distribusi Kepah (Meretrix Meretrix) di Perairan Estuari Suaka Margasatwa Karang Gading Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2022)Asiatic hard clam (Meretrix meretrix) has a wide distribution, ranging from mangrove forest areas in the Indo-Pacific to mangrove swamp areas in South America. In Indonesia, clam is found on the island of Sumatra, one ... -
Sintesis Carbon Dots Berbahan Dasar Tandan Kosong Kelapa Sawit dan Potensinya sebagai Antibakteri
(Universitas Sumatera Utara, 2022)In this study, the synthesis of carbon dots from oil palm empty fruit bunch as a precursor has been successfully carried out. The first step is carbonization at 300oC for 4 hours. The second stage was the synthesis of ... -
Model Fuzzy Goal Programming pada Pendistribusian Dana Bantuan Operasional
(Universitas Sumatera Utara, 2020)The purpose of this study is to determine the model Fuzzy Goal Programming in optimizing the distribution of funds and the model Fuzzy Goal Programming can provide the optimal solution in the distribution of school ... -
Optimisasi Kecepatan Aliran Air pada Bendungan
(Universitas Sumatera Utara, 2020)Inside a dam, there is a water flow where the speed of the water varies depending on how much water opening is opened at the dam. This research wants to take advantage of the optimization of fluid dynamics in the dam. ... -
Etnobotani dan Etnoekologi Masyarakat Parmalim di Kabupaten Samosir dan Toba Sumatera Utara
(Universitas Sumatera Utara, 2022)Parmalim is an original belief of the Batak tribe that grows, develops, and has been held since time immemorial. The hallmark of the Parmalim people is their local wisdom in protecting nature. This research aimed to: 1) ... -
Lumut Hati (Marchantiophyta) di Gunung Sibuatan Sumatera Utara
(Universitas Sumatera Utara, 2022)Sumatran liverworts, especially the North Sumatra, are less well known than the liverworts in Java and other region of Malesia. A study on liverworts has been conducted at Mount Sibuatan, North Sumatra, to provide data ... -
Analisis Vegetasi dan Identifikasi Tumbuhan Asing Invasif di Taman Wisata Alam (TWA) Sicike-Cike Sumatera Utara
(Universitas Sumatera Utara, 2022)Invasive alien plants are plant species that native species and diversity of plants species. The aims of the study were to analyze sustainability of tree vegetation types, demographic analysis of Rhododendron malayanum in ... -
Model Pembelajaran Kompleks Melalui Tugas Menantang secara Kognitif
(Universitas Sumatera Utara, 2013)The worlds increasing complexity, competiveness, interconnectivity, and depen- dence on Technology generate new challenge for nation and individuals that can- not be met by continuing education a usual. With the proliferation ... -
Perpindahan Panas Menggunakan Metode Elemen Hingga Pada Rumah Kaca
(Universitas Sumatera Utara, 2021)Finite Element Method (MEH) is a numerical technique for finding approximate solutions for Partial Differential Equations used in structural and non-structural analysis. This paper aims to determine the duration and ... -
Penerapan Metode Analytical Hierarchy Process pada Penetapan Pegawai terbaik PT. Berlian Eka Sakti Tangguh Medan
(Universitas Sumatera Utara, 2023)Analytical Hierarchy Process (AHP) method is a decision support model that can describe complex multifactor or multicriteria problems into a hierarchy. Hierarchy is defined as a representation of a complex problem in a ... -
Formulasi Sediaan Serum Gel yang Mengandung Nanogold dan Kitosan Oligosakarida sebagai Antioksidan
(Universitas Sumatera Utara, 2022)Serum is very interesting to be applied in cosmetic products because the active substances contained in the serum are more so that the serum is faster and more effective in dealing with skin problems. Skin aging is a ... -
Pembuatan Komposit Kayu Plastik dari Polipropilena termodifikasi Maleat Anhidrida dengan Serat Batang Pinang
(Universitas Sumatera Utara, 2023)Characterization of wood-plastic composites using polypropylene grafted with maleic anhydride with variations in the mass of areca nut fiber as a filler has been successfully carried out. This research was carried out in ... -
Formulasi Sediaan Serum yang Mengandung Nanogold dan Karboksmetil Kitosan Sebagai Anti –Aging
(2022)The development of cosmetics is growing rapidly over time, especially serum preparations as anti-aging. Serum is a preparation with highly concentrated active substances that have the ability to penetrate deeper into the ... -
Perancangan Sistem Informasi Toko Pakaian Thrift Berbasis Website
(Universitas Sumatera Utara, 2022)The needs of every human being cannot be separated from fashion. Fashion in question is a style of dress both from clothes, pants, and also shoes. Fashion also has a lot of trends and types that can identify a person and ... -
Uji Kuat tekan dari Modifikasi Aspal-Lateks Karet Alam Cair dengan Menggunakan Perekat Metilmetakrilat
(Universitas Sumatera Utara, 2022)Research on asphalt-latex modification of liquid natural rubber (Liquid Natural Rubber). The manufacture of liquid natural rubber latex starts from the preparation of fresh natural rubber using an emulsifier in the form ... -
Studi Adsorpsi Besi (Fe) terhadap Adsorben Grafena Berlapis Nano Tempurung Kelapa (Cocos aleuris L.) dan Cangkang Kemiri (Aleuris moluccana (L.) Wild)
(Universitas Sumatera Utara, 2022)Research on the study of the adsorption of Iron (Fe) on Graphene Nano Sheets (GNS) adsorbents from Coconut Shell (Cocos nucifera L.) and Candlenut Shells (Aleurites moluccana (L.) Willd) was carried out. The aims of this ...