Faculty of Mathematics and Natural Sciences
Sub-communities within this community
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Department of Biology [1255]
Departemen Biologi -
Department of Chemistry [2912]
Departemen Kimia -
Department of Mathematics [4378]
Departemen Matematika -
Department of Physics [2656]
Departemen Fisika
Recent Submissions
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Pembuatan dan Karakterisasi Superabsorben Polimer Berbasis Natrium Karboksimetil Selulosa dan Hidroksietil Metil Selulosa Menggunakan Asam Suksinat sebagai Agen Ikat Silang
(Universitas Sumatera Utara, 2025)This study examines the preparation of polymer superabsorbent from sodium carboxymethyl cellulose (Na-CMC) and hydroxyethyl methyl cellulose (HEMC) with succinic acid crosslinking agent. The preparation of polymer ... -
Kajian Optimalisasi Metode Fuzzy TOPSIS dalam Pemilihan Saham dengan Evaluasi terhadap Risiko dan Return
(Universitas Sumatera Utara, 2025)This study aims to mathematically examine the results of stock selection analysis in the banking sector listed on the Indonesia Stock Exchange (IDX) using the Fuzzy Technique for Order Preference by Similarity to Ideal ... -
Analisis Aliran Darah Pseudoplastik di Sekitar Penyumbatan Parsial Pembuluh Retina dengan Pendekatan Non-Newtonian
(Universitas Sumatera Utara, 2025)Retinal Vein Occlusion (RVO) is one of the retinal vascular disorders characterized by blood flow obstruction due to partial venous blockage. To realistically represent this phenomenon, a blood flow model capable of ... -
Perencanaan Persediaan dengan Metode Continuous Review System dan Peramalan untuk Meminimalkan Biaya Persediaan di PT Intrafood Singabera Indonesia
(Universitas Sumatera Utara, 2025)PT Intrafood Singabera Indonesia faces challenges in managing its ginger raw material inventory due to the use of conventional inventory control methods. Throughout 2023, the company recorded 107 procurement activities ... -
Analisis Aliran Darah Non-Newtonian Pseudoplastik di Arteri Ginjal pada Kasus Stenosis Arteri Renalis Menggunakan Model Carreau
(Universitas Sumatera Utara, 2025)This study aims to analyze the behavior of blood flow as a non-Newtonian pseudoplastic fluid in renal arteries that experience stenosis with a degree of narrowing of 60% in various geometric shapes. The approach used in ... -
Peramalan Indeks Harga Konsumen Kota Medan Menggunakan Metode Fuzzy Time Series Markov Chain
(Universitas Sumatera Utara, 2025)The Fuzzy Time Series Markov Chain (FTSMC) method is used to forecast time series data that contains uncertainty, based on fuzzy set theory and the concept of Markov chains. This forecasting process involves four main ... -
Pembuatan dan Karakterisasi Beton Polimer Berbahan Dasar Serbuk Jerami Padi dan Serbuk Kaca dengan Perekat Resin Epoxy
(Universitas Sumatera Utara, 2025)Sand, rice straw powder, glass powder and epoxy resin are the ingredients of polymer concrete, which has been the subject of much research. The sand and rice straw powder are sieved with a 100 mesh sieve. Then the materials ... -
Penerapan Metode Fuzzy PROMETHEE dalam Penentuan Metode Persalinan Ibu
(Universitas Sumatera Utara, 2025)Decision-making in the healthcare sector, particularly in determining the method of childbirth, is a complex process involving various medical and non-medical criteria. This study aims to implement the Fuzzy PROMETHEE ... -
Optimasi Produksi Padi dengan Menggunakan Fuzzy Linear Programming di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)Rice production faces various challenges in the form of uncertainties in the use of resources such as harvest area, seed availability, fertilizer realization, and labor. This research aims to apply the fuzzy linear programming ... -
Optimasi Penjadwalan Transportasi untuk Efisiensi Distribusi Beras di Sumatera Utara dengan Algoritma Genetika (Studi Kasus: Perum Bulog Medan)
(Universitas Sumatera Utara, 2025)The intercity rice distribution system in North Sumatra, managed by Perum Bulog Medan, continues to face significant challenges in the form of high transportation costs and suboptimal delivery scheduling. This study aims ... -
Implementasi Metode Goal Programming pada Perencanaan Produksi di Pabrik Roti Wati Bakery
(Universitas Sumatera Utara, 2025)Pabrik Roti Wati Bakery faces challenges in optimizing donut production due to raw material limitations and the imperative to maximize profit. This research implements the Goal Programming (GP) method as a multi-objective ... -
Optimalisasi Pendistribusian Barang Menggunakan Model Binary Integer Linear Programming pada CV. Padang Jaya
(Universitas Sumatera Utara, 2025)The Binary Integer Linear Programming (BILP) model is a mathematical optimization model capable of solving problems hat is able to solve problems with decision variables in the form of binary numbers, namely 0- 1. This ... -
Penerapan Metode Fuzzy Goal Programming dalam Optimasi Jumlah Produksi pada Fazana Bakery Labuhanbatu Utara
(Universitas Sumatera Utara, 2025)Optimal production planning is very important to achieve efficiency in the production process of a product. This research was conducted at Fazana Bakery with the aim of designing a Fuzzy Goal Programming model as a ... -
Peramalan Curah Hujan di Kabupaten Deli Serdang Menggunakan Fuzzy Time Series Cheng
(Universitas Sumatera Utara, 2025)Rainfall is one of the important factors affecting various sectors of life, especially in agriculture, the environment, and water resource management. The uncertainty and fluctuations in rainfall data over time require ... -
Potensi Ekstrak Daun Kelor (Moringa oleifera) Sebagai Biostimulan Terhadap Pertumbuhan Sawi Kailan (Brassica oleracea L.) Pada Hydroponik Wick
(Universitas Sumatera Utara, 2025)A study on the potential of moringa leaf extract (Moringa oleifera) as a biostimulant for the growth of kale (Brassica oleracea L.) in a Wick Hydroponic system was conducted from December 2023 to April 2024 at the Research ... -
Studi Perbandingan Kinerja Pra-proses Data dalam Pengklasteran Potensi Investasi Negara Berkembang Menggunakan Agglomerative Hierarchical Clustering
(Universitas Sumatera Utara, 2025)Investors require information to consider when making decisions related to investing in developing countries. This is done to assess the associated risks as well as the potential for achieving the expected returns. ... -
Kajian Teknik Normalisasi Root Distance Ratio pada Teknik Pembobotan dan Perangkingan MCDM: Beberapa Kasus dalam Kinerja Keuangan
(Universitas Sumatera Utara, 2025)Multi-Criteria Decision Making (MCDM) is a discipline within the field of operations research that is frequently used for decision-making to determine the best alternative based on relevant criteria. In the case of ranking ... -
Studi Perbandingan Performa MCDM Menggunakan PCA dan Entropy pada Perankingan Provinsi Berdasarkan Indikator Stunting di Indonesia
(Universitas Sumatera Utara, 2025)Stunting has serious impacts on children’s health and, in the long term, affects the quality of human resources, particularly in countries with high stunting rates such as Indonesia. Therefore, it is crucial to reduce ... -
Penerapan Fuzzy Inference System Metode Sugeno untuk Menetapkan Rekomendasi Memilih Kendaraan Roda Empat Tipe SUV
(Universitas Sumatera Utara, 2025)The selection of sport utility vehicles (SUVs) has become increasingly complex due to the growing variety of options available in the market. In this context, consumers tend to prefer vehicles that offer optimal performance ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Paraboea leuserensis B.L.Burt.) terhadap Gambaran Histologi Otak Tikus Wistar (Rattus norvegicus L.) Jantan yang Diinduksi Doxorubicin
(Universitas Sumatera Utara, 2025)Doxorubicin chemotherapy can cause neurotoxicity and cognitive impairment lead to brain cell damage. Gagatan harimau (Paraboea leuserensis B.L.Burtt) contains flavonoids and terpenoids with potential antioxidant properties ...