Department of Physics: Recent submissions
Now showing items 201-220 of 2645
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Karakterisasi dan Analisis Bolus Radioterapi dari Silicone Rubber, Resin Epoksi dan Serbuk Gergaji Kayu Menggunakan Energi Berkas Elektron
(Universitas Sumatera Utara, 2023)In this study, boluses were made using the melt intercalation method with a size of 11 x 11 x 1 cm3, from a mixture of silicone rubber, epoxy resin, catalyst and wood sawdust with various compositions (80:16:3:1)%wt, ... -
Pengaruh Penambahan Variasi Plasticizer Sorbitol terhadap Karakterisasi Bioplastik Pati Porang (Amorphophallus Oncophyllus) dan Kitosan
(Universitas Sumatera Utara, 2023)Research has been carried out on the manufacture of bioplastics with variations in the composition of porang starch: chitosan with glycerol plasticizer and the effect of adding sorbitol (0%, 25%, 50%, 75%, 100%) with the ... -
Pembuatan Alat Pemantauan Tekanan Oksigen dalam Tabung Jarak Jauh Berbasis Internet Of Things (Iot) Menggunakan Server Thingspeak
(Universitas Sumatera Utara, 2023)Oxygen Tube have become a much-needed item due to the very fast and easily contagious spread of the virus, making it difficult for everyone to avoid being infected with the COVID-19 type virus that attacks the respiratory ... -
Sintesis dan Karakterisasi Komposit Bafe 12o19/RGO Berbasis Pasir Besi Alam Sebagai Penyerap Gelombang Mikro
(Universitas Sumatera Utara, 2023)In this study, composites of barium hexaferrite with Reduced Graphene Oxide (RGO) were synthesized using the ultrasonication method as microwave absorbers. was synthesized from natural iron sand as the precursor material ... -
Uji Uniformity dan Kesesuaian tebal Slice Menggunakan ACR 464 Phantom Pada Kualitas Citra Pesawat CT-Scan 16 Slice
(Universitas Sumatera Utara, 2023)Research has been conducted on the uniformity test and the suitability of slice thickness on CT-Scan images using the American College Of Radiology (ACR) Phantom. Which aims to determine the accuracy and uniformity value ... -
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 ... -
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 ... -
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, ... -
Pemanfaatan Pati Talas Beneng (Xantoshoma Undipes K.Koch) pada Pembuatan Bioplastik dengan Plasticizer Sorbitol dan Karakterisasinya
(Universitas Sumatera Utara, 2023)Research has been conducted on the manufacture of bioplastics and chitosan with with sorbitol plasticizer was made by varying starch and chitosan in the ratio of 30%: 70%, 40% : 60%, 50% : 50%, 60% : 40%, and 70% : 30% ... -
Karakteristik Nanopartikel C,N,F untuk Material Pembersih Air Limbah Logam Berat Cu dan Cr
(Universitas Sumatera Utara, 2023)Magnetic nanoparticle material has been synthesized using the coprecipitation method. The preparation process begins by mixing iron sand powder with 32% HCl solvent. After that the solution was added with CoCl2, NiCl2, ... -
Identifikasi Proyeksi Perubahan Iklim terhadap Probabilitas Penyakit Demam Berdarah Dengue di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2023)Indonesia has a tropical climate with warm temperatures and high rainfall variability, which is a comfortable place for the Aedes Aegypti mosquito. Clear evidence of climate change is the increase in global air temperature ... -
Pemanfaatan Zeolit Alam Pahae dalam Pembuatan Beton Polimer Menggunakan Serat Kulit Jagung dan Resin Polyurethane sebagai Perekat
(Universitas Sumatera Utara, 2023)Research has been carried out on polymer concrete with Pahae natural zeolite aggregate and corn husk fibers and polyurethane resin fibers as adhesives using a hot press at 170 ℃ for 30 minutes, which aims to determine the ... -
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, ...