Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 501-520 of 11436
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Pengaruh Penambahan Filler Serat Cangkang Kopi terhadap Karakterisasi Plastik Biodegradable Pati Biji Durian dengan Plasticizer Sorbitol
(Universitas Sumatera Utara, 2024)In this study, biodegradable plastic was made using the melt intercalation method. At the initial stage, starch was obtained from durian seed waste that had been blended and precipitated. Biodegradable plastic made from ... -
Rancang Bangun dan Analisa Menu Elektronik Terintegrasi Internet of Things Berbasis Mongodb, Expressjs, Reactjs, Nodejs (MERN) Stack Website
(Universitas Sumatera Utara, 2024)In this digitalization era, technology and communication are rapidly advancing, even extending into the culinary field, requiring managers to compete in improving the quality of services provided. An electronic menu device ... -
Pengaruh Faktor Fisik Lingkungan terhadap Aktivitas Harian Trigona spp. Selama Musim Penghujan di Taman FMIPA Universitas Sumatera Utara
(Universitas Sumatera Utara, 2024)Bee Trigona spp. is a type of honey producing bee that does not have a sting (stingless bee). This research aims to analyze bee activity Trigona spp. in the FMIPA park during the rainy season and potential food sources ... -
Identifikasi Mikroplastik pada Sistem Pencernaan Burung Kuntul Kecil (Egretta garzetta) di Desa Tanjung Rejo Kecamatan Percut Sei Tuan
(Universitas Sumatera Utara, 2024)Microplastics originate from the degradation of plastic waste with a size of <5 mm. The presence of microplastics in water can inadvertently be ingested by organisms foraging on the surrounding water areas, such as water ... -
Aktivitas Antagonis Hendersonia sp. dan Aspergillus sp. dalam Menghambat Pertumbuhan Ganoderma boninense pada Kelapa Sawit (Elaeis guineensis)
(Universitas Sumatera Utara, 2024)Ganoderma disease is very important to be handled seriously. There are many efforts have been made to quell ganoderma disease, including utilization of biological control agents that are antagonistic to Ganoderma boninense ... -
Gambaran Histologi Kulit Mencit (Mus Musculus L.) Jantan yang Diobati Salep Propolis Lebah (Trigona Spp.) Setelah Diinduksi Luka Bakar
(Universitas Sumatera Utara, 2024)Propolis contains of secondary metabolite compounds such as flavonoids, tannins and saponins that act as anti-inflammatory, antimicrobial, antiviral, antibacterial and play a role of accelerating the wound healing process. ... -
Klasifikasi Kelas pada Data Tidak Seimbang dalam Deteksi Mikrokalsifikasi Menggunakan Smote-Enn dan Xgboost dengan Optimasi Bayesian
(Universitas Sumatera Utara, 2024)Imbalanced data is a common problem in classification. Class classification on imbalanced data can be handled with two approaches, which are data level and algorithm level. The data level is used to balance the ... -
Pemodelan Angka Kematian Bayi di Provinsi Sumatera Utara Menggunakan Regresi Poisson Invers Gaussian
(Universitas Sumatera Utara, 2024)Poisson inverse Gaussian regression modeling is one of the regressions that can handle data containing overdispersion. Overdispersion is a condition where the variance value in the data is smaller than the average. In this ... -
Faktor-Faktor yang Mempengaruhi Tingkat Kriminalitas di Kota Medan Menggunakan Metode Stepwise Forward
(Universitas Sumatera Utara, 2024)Crime or criminality is rampant, crime is certainly influenced by various factors, both internal and external factors such as the number of population, the number of poor people, unemployment, the human development index ... -
Implementasi Model Sistem Dinamik terhadap Analisis Tingkat Kemacetan Lalu Lintas pada Jalan Setia Budi
(Universitas Sumatera Utara, 2024)Overcoming existing traffic congestion is something that many people hope for, especially people who are still always trapped in these traffic problems. One of the ways that can be used to reduce the level of traffic ... -
Algoritma Genetika pada Penyelesaian Multiple Travelling Salesmen Problem (M-TSP) (Studi Kasus: Jasa Pengangkutan CPO (Crude Palm Oil) PT. Miduk Arta Medan)
(Universitas Sumatera Utara, 2024)This research employs a Genetic Algorithm to solve the Multiple Traveling Salesmen Problem (M-TSP) in the context of Crude Palm Oil (CPO) distribution by PT. Miduk Arta Medan to three CPO processing plants in North Sumatra: ... -
Pengoptimalan Biaya Transportasi dengan Metode Sirisha – Viola
(Universitas Sumatera Utara, 2024)Distribution is the process of channeling goods or products produced from producers to consumers. In the era of Industry 5.0, which is the era of collaboration between humans and technology in production and intense ... -
Penerapan Model Assignment dengan Metode Hungarian pada Optimalisasi Penugasan Karyawan
(Universitas Sumatera Utara, 2024)Part of linear programming that is often encountered in everyday life is the assignment problem. The assignment problem involves m workers who must be assigned to n jobs, each of which has different competencies in completing ... -
Analisis Pengendalian Persediaan Dua Jenjang dengan Kebutuhan Berdistribusi Normal dan Waktu Tenggang Tetap dengan Menggunakan Kebijakan N-Siklus-Tunggal
(Universitas Sumatera Utara, 2022)Inventory problems cover a wide scope, which can be found not only in manufacturing systems but also in non-manufacturing systems. Basically, inventory problems arise from events where there is too much inventory or too ... -
Penerapan Metode Improved Average Penalty Cost (IAPC) dengan Stepping Stone dalam Optimasi Biaya Transportasi Barang
(Universitas Sumatera Utara, 2024)Transportation problems are a common issue in the distribution of goods, focusing on the transportation costs from m sources to n destinations with the aim of minimizing transportation costs. Transportation issues are ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Batang Glodokan (Polyalthia longifolia (Sonn.) Benth & Hook. F Ex Thwaites)
(Universitas Sumatera Utara, 2024)Isolation and identification of flavonoids compound from the bark of glodokan (Polyalthia longifolia (Sonn.) Benth & Hook.F ex Thwaites) had been carried out through the maceration extraction stage used methanol solvent. ... -
Pengaruh Variasi Massa Katalis Coal Fly Ash dalam Proses Perengkahan Katalitik Minyak Jelantah Menjadi Bahan Bakar Hidrokarbon
(Universitas Sumatera Utara, 2024)Petroleum reserves in the world are dwindling due to a significant increase in population and fossil oil which has non-renewable properties so that the development of environmentally friendly alternative fuels is needed ... -
Penerapan Metode Fuzzy Service Quality dalam Analisis Kepuasan Pelayanan Kesehatan
(Universitas Sumatera Utara, 2024)Fuzzy logic is an element of Boolean logic, where fuzzy logic is used to handle the concept of degrees of truth between true and false (Yanif, et al, 2011; Henny, 2018). Fuzzy logic theory also provides a method for ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Daun Turi Merah (Sesbania Grandiflora (L.) Poir)
(Universitas Sumatera Utara, 2024)Turi merah (Sesbania grandiflora (L.) Poir) is a fern plant that is widely used by the general public for natural treatment, such as nausea, diarrhea, strep throat and others. The isolation and identification of flavonoid ... -
Implementasi Analisis Faktor dan Analisis Jalur dalam Mengidentifikasi Faktor-Faktor yang Memengaruhi Kemiskinan di Provinsi Aceh
(Universitas Sumatera Utara, 2024)This research implements factor analysis and path analysis methods to identify the factors that influence Poverty in Aceh Province. The data used is sourced from the Central Bureau of Statistics of Aceh Province in 2023. ...