Department of Physics: Recent submissions
Now showing items 241-260 of 2673
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Pengaruh Penambahan Zeolit Alam Pahae terhadap Karakterisasi Beton Polimer Berbasis Serat Kulit Jagung dengan Resin Epoksi
(Universitas Sumatera Utara, 2023)Research has been conducted on polymer concrete with sand, pumice, and corn husk fiber aggregates and zeolite as filler and epoxy resin using hotpress at 90℃ for 30 minutes, with the aim of knowing the utilization, ... -
Uji linearitas CT Number dan Resolusi Spasial Menggunakan ACR 464 Phantom Pada Kualitas Citra Pesawat CT-Scan 16 Slice”
(Universitas Sumatera Utara, 2023)Research has been carried out on the CT Number linearity test and spatial resolution on CT-Scan images using the American College of Radiology (ACR) Phantom. The aim is to determine the correlation coefficient formed from ... -
Rancangan dan Pembuatan Sistem Proteksi Motor terhadap Panas dan Kelebihan Beban Berbasis Mikrokontroler Atmega8535
(Universitas Sumatera Utara, 2023)A motor protection system against heat and overload has been successfully designed based on the ATMega 8535 microcontroller. This tool is designed to determine whether the system can protect against thermal and overcurrent ... -
Pembuatan Beton Polimer Berbasis Biji Salak dan Serbuk Kayu dengan Resin Polyester Sebagai Perekat
(Universitas Sumatera Utara, 2023)Research has been conducted on polymer concrete based on snake fruit seed powder, wood powder, and polyester resin. This study aims to determine the effect of the addition of salak seeds and wood powder on the physical and ... -
Karakterisasi dan Analisis Bolus Radioterapi dari Silicone Rubber, Resin Epoksi dan Ampas Tebu Menggunakan Energi Berkas Elektron
(Universitas Sumatera Utara, 2023)A radiotherapy bolus composite material has been prepared from a mixture of silicone rubber, epoxy resin as an adhesive, catalyst as a material to accelerate bolus hardening and bagasse as filler with variations in the ... -
Penerapan Model Regresi Logistik untuk Mengidentifikasi Potensi Faktor Risiko Malaria di Sumatera Utara
(Universitas Sumatera Utara, 2023)In this study the aim was to form a mathematical model based on risk factors that have an influence on the spread of malaria in North Sumatra Province. The data used in this research is secondary data obtained from the ... -
Pembuatan Aerogel Fototermal dari Nanoserat Selulosa dengan Pengisi Karbon Aktif Sebagai Solar Steam Generation
(Universitas Sumatera Utara, 2023)A clean water production system is very important, the need for an environmentally friendly and efficient clean water production system is increasing nowdays. In this research, an evaporator has been successfully made ... -
Pembuatan dan Karakterisasi Fe3O4/SiO2/TiO2 Anatase Sebagai Bahan Fotokatalis Methylene Blue
(Universitas Sumatera Utara, 2023)The preparation of Fe3O4/SiO2/TiO2 has been prepared by co-precipitation method. The preparation process starts from mixing Fe3O4 with aquabidest as a solvent. Then, the resulting solution is mixed with SiO2 raw material, ... -
Sintesis Aerogel Komposit Fe3O4 yang diperkuat oleh Nanoserat Selulosa sebagai Adsorben Kongo Merah
(Universitas Sumatera Utara, 2023)In this study, composite aerogel Fe3O4 reinforced by cellulose nanofibers and cross-linked using polyvinyl alcohol has been successfully synthesized using the freeze-drying method. In this study, composite aerogels were ... -
Sintesis dan Karakterisasi Fe3O4/TEOS terhadap TiO2 Anatase pada Ion Logam Methylene Blue (MB
(Universitas Sumatera Utara, 2023)Synthesis and characterization of Fe3O4/TEOS on TiO2 anatase on methylene blue (MB) metal ions have been carried out. The synthesis process is done using the coprecipitation method. The preparation begins by mixing Fe3O4 ... -
Sintesis Karbon Aktif Magnetik Berbasis CoCl2 dan Limbah Cangkang Kemiri dengan Metode Co-Presipitasi sebagai Elektroda Superkapasitor
(Universitas Sumatera Utara, 2023)Magnetic activated carbon has been carried out using pecan shell waste (Aleurites moluccana) and the addition of CoCl2 with the composition of 20:80, 40:60, 50:50, 60:40, 80:20 use the co-precipitation method. The breakthrough ... -
Sintesis dan Karakterisasi Elektrokimia Hard Carbon Sebagai Anoda Baterai Ion Sodium Berbasis Biomasa dari Kulit Biji Bunga Matahari (Helianthus Annuus)
(Universitas Sumatera Utara, 2023)In this research, materials have been synthesized from the biomass of sunflower (Helianthus annuus) shell biomass for sodium ion battery anodes. A simple carbonization process is carried out by roasting. Chemical activation ... -
Karakterisasi Silicone Rubber, Alginat, dan Serbuk Gergaji Kayu Sebagai Bolus Radioterapi Pada Energi 8 Mev dan 10 Mev
(Universitas Sumatera Utara, 2023)This study aims to characterize silicone rubber, alginate, and wood sawdust as radiotherapy bolus at 8 MeV and 10 MeV energy. Radiotherapy bolus is used in radiation therapy to increase the radiation dose to tumor tissue ... -
Efektivitas Karbon Aktif Tongkol Jagung Ungu dalam Menurunkan Kadar Amonia (NH3) Pada Air Kolam Ikan
(Universitas Sumatera Utara, 2023)Research on purple corn cob activated carbon as a water adsorbent aims to reduce ammonia levels in fish pond water. Purple corn cob activated carbon is used to reduce ammonia (NH3) levels in fish pond water. Carbonation ... -
Studi tentang Pengamatan Fluoresensi Berdasarkan Domain Panjang Gelombang pada Spektroskopi Fluoresensi untuk Identifikasi Bahan
(Universitas Sumatera Utara, 2015)A research on the Study of Observation Fluorescence with Domain Wavelength Based on Spectroscopy Flouresensifor Material Identification. The sample at this object are olive oil, sandalwood oil, and cem-ceman oil, the ... -
Simulasi Prediksi Curah Hujan Bulanan di Kota Medan Menggunakan Metode regresi Linier Berganda
(Universitas Sumatera Utara, 2016)The research of predictive simulation of monthly rainfall in the city of Medan using multiple linear regression method . This study aims to predict the monthly rainfall in Medan using predictor variables of air temperature ... -
Komputasi Berbasis Matlab untuk Analisis Pengaruh Aditif SiO2 dan Suhu Sintering terhadap Karakteristik Keramik MagnetBaO.6Fe2O3
(Universitas Sumatera Utara, 2008)Production of Ba0.6Fe203 magnet ceramic made of Fe203 and BaC03 with an additive of Si02 has been much used as the component for electric motor, water meter and so forth. The relationship between the charactheristics of ... -
Pembuatan Phase Change Material dengan Paraffin Wax dan Penambahan 20%, 30% Magnetite (Fe3o4) pada Beton Enkapsulasi sebagai Thermal Energy Storage
(Universitas Sumatera Utara, 2023)Research has been conducted on Phase Change Material with Paraffin Wax and Fe3O4 on encapsulated concrete as Thermal Energy Storage. This research is motivated by renewable technology, namely Thermal Energy Storage ... -
Pembuatan Phase Change Material dengan (50%, 60%) Paraffin Wax-Magnetite (50%, 40% Fe3o4) pada Beton Enkapsulasi Sebagai Thermal Energy Storage
(Universitas Sumatera Utara, 2023)Research has been done on Phase Change Material (PCM) with Parrafin Wax (PW) and Magnetite (Fe3O4) composited using 80℃ for 10 minutes with sonication variations in mass composition of PW50%Fe3O450% and PW60%Fe3O440% ... -
Pembuatan Phase Change Material dengan (80%, 70%) PEG 6000-Magnetite (20%, 30% Fe3O4) pada Beton Enkapsulasi Sebagai Thermal Energy Storage
(Universitas Sumatera Utara, 2023)Phase Change Material (PCM) as Thermal Energy Storage has been made by mixing PEG 6000-Magnetite (Fe3O4) by sonication method using a temperature of 80ºC and a frequency of 37 KHz. Where the composition variation used ...