Department of Physics: Recent submissions
Now showing items 61-80 of 2722
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Sintesis dan Karakterisasi Adsorben Karbon Aktif Hydrilla Verticillata/Kitosan/Tio2 untuk Menyerap Cu, Pb, Zn, Cr dan Fe dalam Limbah Cair dengan Metode Fotokatalis
(Universitas Sumatera Utara, 2025)Environmental pollution by heavy metals is a serious problem that requires effective solutions. One promising method is the adsorption method using biomass-based activated carbon. Hydrilla verticillata-activated carbon was ... -
Karakterisasi Edible Coating Berbahan Pektin/Kitosan/Ekstrak Daun Kenikir (Cosmos Caudatus) Untuk Meningkatkan Umur Simpan Pada Buah Tomat
(Universitas Sumatera Utara, 2025)An edible coating based on pectin, chitosan, and the addition of Cosmos caudatus (kenikir) leaf extract was developed in this study. The aim of lhe research was to determine the characteristics of the edible coating and ... -
Efek Over Current Pada Kabel Penghantar Listrik Jenis Tembaga (Cu) Berisolasi Polivinyl Chloride (PVC) terhadap Inisiasi Penyebab Kebakaran
(Universitas Sumatera Utara, 2025)This study aims to analyze the physical and chemical effects of electromigration failure caused by overcurrent in copper (Cu) cables as a potential initiator of electrical fires. Testing was conducted on PVC-insulated ... -
Preparasi dan Karakterisasi Hybrid Bionanokomposit Berbahan Polycaprolacton dengan Pengisi Nano Abu Sekam Padi dan Nano TiO2 Sebagai Material Adsorben Limbah Methyl Red
(Universitas Sumatera Utara, 2025)Wastewater contamination by synthetic dyes such as Methyl Red poses serious environmental and health risks, necessitating effective remediation methods. This study investigates an eco-friendly hybrid bionanocomposite based ... -
Pemanfaatan Karbon Aktif Dari Rumput Gajah (Pennisetum purpereum) Dan Mangan Dioksida Sebagai Elektroda Superkapasitor
(Universitas Sumatera Utara, 2025)The growing need for sustainable and eco-friendly energy storage solutions has led to advancements in high-performance supercapacitors with extended cycle life. This research explores the fabrication of composite electrodes ... -
Sintesis Hidrogel Komposit Selulosa Karboksimetil Kulit Durian Dengan Penambahan Grafena Oksida Dan Tio2 Sebagai Adsorben Metilen Biru
(Universitas Sumatera Utara, 2025)The synthesis of a composite hydrogel based on carboxymethyl cellulose derived from durian rind, combined with PVA-ALG polymer, and supplemented with fillers in the form of graphene oxide and TiO₂ at varying concentrations ... -
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 ... -
Karakterisasi BaFe12O19 pada Penambahan Y2O3 untuk Penyerap Gelombang Mikro
(Universitas Sumatera Utara, 2025)In this study, the main focus is on the preparation and characterization of BaFe12O19 with the addition of Y2O3. The variation of Y2O3 composition used is 0%, 3% and 5%. This research was conducted to show how effective ... -
Sintesis dan Karakterisasi Unjuk Kerja Sodium Titanat (Na2Ti6O13) dengan Variasi Suhu Kalsinasi untuk Material Aktif Anoda Baterai Ion Sodium
(Universitas Sumatera Utara, 2025)In this study, the synthesis and performance characterization of Sodium Titanate (Na₂Ti₆O₁₃) were carried out to evaluate its potential as an anode material for sodium-ion batteries, with particular emphasis on the effect ... -
Sistem Pengontrolan Pemberian Pakan Dan Kualitas Air Kolam Budidaya Ikan Nila Berbasis Iot
(Universitas Sumatera Utara, 2025)Tilapia fish farming is highly dependent on water quality and timely feeding. This research aims to design and implement an automated Internet of Things (IoT)-based system capable of controlling pond water quality and ... -
Pemanfaatan Sekam Padi dan Pasir Besi Alam Sebagai Material Penyerap Dengan Metode Solid State Reaction
(Universitas Sumatera Utara, 2025)The synthesis and characterization of rice husk and natural iron sand as microwave absorbing materials have been successfully carried out. This research was conducted using the Solid State Reaction Method, where the ... -
Pemanfaatan Limbah Tandan Kosong Kelapa Sawit (Elaeis Guineensis Jack) dan Pasir Besi Alam Sebagai Adsorben Logam Berat Tembaga
(Universitas Sumatera Utara, 2025)In this research, the synthesis and characterisation of the raw materials of activated carbon of oil palm empty fruit bunches and natural iron sand as an adsorbent for heavy metal copper using a composition ratio of 1 : ... -
Sistem Peringatan pada Titik Buta Kendaraan Truk Menggunakan Sensor Ultrasonik HC-SR04 dan ESP32-CAM dengan Tampilan Visual Node-RED
(Universitas Sumatera Utara, 2025)Traffic accidents involving large vehicles such as trucks are often caused by blind spot areas that are not visible to the driver. To address this issue, this study aims to design and implement a blind spot warning system ... -
Perancangan an Pengaplikasian Sensor SO2 untuk Sistem Pemantauan Polusi Udara Berbasis IoT di Sekitar PLTU Pangkalan Susu
(Universitas Sumatera Utara, 2025)Air pollution is one of the major environmental issues that negatively impacts human health and ecosystems. One of the main pollutants contributing to air pollution is sulfur dioxide (SO₂), which is produced by the combustion ... -
Sistem Dual Pasteurisasi Susu Thermal dan Non Thermal Dilengkapi Pengaduk dengan Monitoring Menggunakan Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)The dual milk pasteurization system based on ESP32, which utilizes the working principles of a flyback transformer and a 2000-watt water heater, is capable of improving milk quality in accordance with SNI 3141.1:201 ... -
Implementasi Timbangan Emas Berbasis Internet of Things (IoT) dengan Keluaran Struk Digital
(Universitas Sumatera Utara, 2025)Many gold traders still used manual scales in buying and selling transactions, which often led to inaccurate measurements and potential errors in transaction recording. Additionally, the use of paper receipts increased ... -
Sistem Monitoring Cairan Infus menggunakan Sensor Berat dan Sensor Optocoupler Berbasis Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)Hospitals are in dire need of fluids such as IV fluids for every patient being treated, because these fluids play an important role in maintaining electrolyte balance, hydration, and supporting the patient's nutritional ... -
Rancang Bangun Sistem Brankas Otomatis dengan Fitur Deteksi Pencurian dan Pengunci Ruangan Berbasis Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)The rising number of theft and robbery cases highlights the urgent need for more advanced security systems, especially for safeguarding safes that store valuable items and important documents. Conventional security methods, ... -
Sistem Pengontrol Suhu, Kelembapan dan Intensitas Cahaya pada Rumah Kaca Berbasis Internet of Things (Iot) Menggunakan Blynk
(Universitas Sumatera Utara, 2025)This study introduces an IoT-based system designed to regulate temperature, humidity, and light intensity in a greenhouse using the Blynk platform. The system ensures real-time monitoring and control of environmental ... -
Alat Kontrol Exhaust Fan Otomatis Berbasis Internet of Things Untuk Analisis Tingkat Asam Basa Pada Rancangan Lemaari Asam Sederhana
(Universitas Sumatera Utara, 2025)Chemical spills and gas leaks in chemical experiments can cause acid vaporization and other toxic and hazardous chemicals in the room or laboratory. This research aims to design a fume hood with automatic exhaust fan speed ...