Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 1161-1180 of 11350
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Kelimpahan, Komposisi Ukuran dan Pola Pertumbuhan Kerang Kepah Tahu (Meretrix meretrix) di Perairan Pantai Putra Deli, Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2023)Tofu clam (Meretrix meretrix) is a soft-bodied animal belonging to the Class Bivalve. Tofu shellfish can be found on Putra Deli beach, Deli serdang Regenc, North Sumateray. The aims of this study were: a) to analyze the ... -
Jenis, Prevalensi dan Intensitas Endoparasit Rusa Sambar (Cervus unicolor) di Central Park Zoo and Resort Pancur Batu, Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2023)Sambar deer (Cervus unicolor) is the largest tropics deer that distributein Indonesia, such as in Kalimantan and around Sumatera. Population of sambar deer become decreased sharply, therefore, the conservation of the deer ... -
Kajian Kestabilan dan Simulasi Numerik Model SEIJR pada Penyebaran Penyakit Ebola
(Universitas Sumatera Utara, 2023)This research aims to obtain a mathematical model for the spread of ebola disease, study its stability and perform numerical simulations on the mathematical model formed by the parameters that influence the spread of the ... -
Studi dan Karakterisasi Nanopartikel Bafe12o19/Pvdf dengan Metode Co-Presipitasi untuk Bahan Pembuatan Superkapasitor
(Universitas Sumatera Utara, 2023)Supercapacitors are an interesting energy storage technology to be studied. This research uses mesoporous BaFe12O19 particles and Polyvinylidene fluoride (PVDF) polymers that have been synthesized as materials to obtain ... -
Modifikasi Pati Talas(Colocasia Es-culentum L)dengan Reaksi Oksidasi Menggunakan Hidrogen Peroksida
(Universitas Sumatera Utara, 2023)Isolated starch from taro (Colocasia esculentum L.) and modified it through an oxi-dation reaction using 30% hydrogen peroxide (H2O2). In this research, the effect of reaction time on the physico-chemical properties in the ... -
Keanekaragaman Makrofauna Permukaan Tanah Pada Areal Tanaman Jagung di UPT Benih Induk Palawija dan Hortikultura Tanjung Selamat Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2023)This research has been conducted to study the diversity of macrofauna active on the Soil Surface in Corn Plantation Areas at the UPT Benih Induk Palawija and Hortikultura Tanjung Selamat, Deli Serdang District with the ... -
Implementasi Metode Pemulusan Eksponensial Ganda Brown dan Holt pada Peramalan Jumlah Penduduk di Kota Medan Tahun 2023-2025
(Universitas Sumatera Utara, 2023)Forecasting is an activity carried out to estimate or predict an event in the future. Forecasting can be done using several methods. One Parameter Double Exponential smoothing method from Brown and Two Parameters from Holt ... -
Pola Pertumbuhan dan Faktor Kondisi Ikan Kakap Putih (Lates calcarifer Bloch, 1790) di Sungai Belawan Kabupaten Deli Serdang Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2023)The research of the growth patterns and the conditions of the White Snapper (Lates calcarifer Bloch, 1790) in Belawan River, Deli Serdang Regency,North Sumatra Province had been carried out from December 2022 to February ... -
Analisis Kandungan Logam Berat Pb dan Cd pada Daging Ikan Duri (Hexanematichthys sagor) di Sungai Belawan Sumatera Utara
(Universitas Sumatera Utara, 2023)There are various community activities along the Belawan river that affect the quality of river water such as the accumulation of Pb and Cd metals in fish meat, including in Duri fish (Hexanematichthys sagor) in the Belawan ... -
Kepadatan, Pola Distribusi dan Pola Pertumbuhan Kerang Darah (Anadara granosa) di Perairan Pantai Sialang Buah, Kabupaten Serdang Bedagai, Sumatera Utara
(Universitas Sumatera Utara, 2023)Bivalve, Arcidae granosa, has a high economic value. It cause, the activity of clam harvest among community in Sialang Buah Beach increase in order to take the blood mussel as many as they can. It is feared, the population ... -
Kepadatan, Distribusi dan Hubungan Panjang Berat Remis (Corbicula Javanica) di Perairan Pantai Putra Deli Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2023)Corbicula javanica is a group of small shellfish that live at the bottom of the waters. have shells, mollusca phylum of the corbiculidae family and bivalves class that live in coastal waters. Mussels are an important ... -
Kajian Kesetimbangan Nash dan Metode Swastika dalam Teori Permainan dan Penerapannya
(Universitas Sumatera Utara, 2023)In game theory, the settlement for a two-sided zero-sum game is based on whether there is a saddle point in the payout matrix. When there is a saddle point, then the solution would be done with a pure strategy, but if there ... -
Perencanaan dan Pengendalian Persediaan Produksi Crude Palm Oil dan Palm Kernel dengan Model Economic Production Quantity Multi Item (Studi Kasus : PT. Socfin Indonesia)
(Universitas Sumatera Utara, 2023)Production is a process of converting input value into an output value where a continuous process occurs repeatedly over time so that the output obtained is in accordance with the design specifications that have been set ... -
Pengaruh Penambahan Plasticizer Gliserol terhadap Karakterisasi Plastik Biodegradable Pati Porang (Amorphophallus Oncophyllus) dengan Plasticizer Sorbitol
(Universitas Sumatera Utara, 2023)This research examined the effect of a combination of sorbitol and glycerol plasticizers on porang starch biodegradable plastics with chitosan at concentrations of 40, 60 and 80 wt% using the melt intercalation method ... -
Implementasi Algoritma Branch and Bound untuk Menyelesaikan Travelling Salesman Problem pada PT Jasa Harapan Barat
(Universitas Sumatera Utara, 2023)In the industrial world, every industrial company wants to get maximum profit. One way to increase profits is to minimize distribution costs. PT Jasa Harapan Barat is one of the bottled beverage distributor companies Cap ... -
Rancang Bangun Sistem Monitoring dan Kontrol Lampu, Kipas Angin Menggunakan Sensor Gesture Berbasis Internet of Things (Iot)
(Universitas Sumatera Utara, 2023)Research on monitoring and control systems for lamps, fans using gesture sensors based on the Internet of Things (IoT) uses Gesture sensor components, DS18B20 temperature sensors, BH1750 light sensors, lamps, relays, ... -
Analisis Rasio Pasar Menggunakan Value At Risk (Var) dengan Metode Simulasi Monte Carlo untuk Memprediksi Perubahan Laba Saham Bank
(Universitas Sumatera Utara, 2023)This study aims to analyze market ratios to predict changes in stock earnings in 2023. This research uses Value at Risk with a Monte Carlo simulation with data obtained from the official website of the stock exchange and ... -
Pengendalian Kadar Abu dan Air pada Proses Produksi Tepung Terigu Menggunakan Peta Pengendali ̅ dan Range di Pt. Cerestar Flour Mills Medan
(Universitas Sumatera Utara, 2023)Wheat flour is a food ingredient made from wheat seeds in the form of white powder or very fine grains. Wheat flour is one type of flour that is often used in the manufacture of various types of food and cooking. One of ... -
Peramalan Terhadap Tingkat Pengangguran Terbukadi Sumatera Utara pada Tahun 2023 dengan Menggunakan Metode Double Exponential Smoothing Brown
(Universitas Sumatera Utara, 2023)Economic development is a business activity which aims to improve people's living standards and create jobs so that the pace of the economy remains stable. Currently almost all people feel it is difficult to get a job. ... -
Persepsi Pasien Terhadap Kinerja Petugas Rawat Jalan di Puskesmas Padang Bulan Medan Menggunakan Metode Importance Performance Analysis (Ipa)
(Universitas Sumatera Utara, 2023)The Puskesmas is a district/city service technical implementation unit in a place or work area that is responsible for organizing health development. The method applied is Importance Performance Analysis Method. This ...