Department of Physics: Recent submissions
Now showing items 1821-1840 of 2656
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Analisis Paparan Radiasi Terhadap Keluarga Pasien pada Pemeriksaan CT-Scan Head dengan Jarak dan Ketebalan Apron yang Berbeda
(Universitas Sumatera Utara, 2019)CT Scan adalah singkatan dari Computerized Tomography Scan, suatu alat pencitraan atau prosedur medis untuk menggambarkan bagian-bagian tubuh tertentu menggunakan bantuan sinar-X khusus. Penelitian ini dilakukan di Rumah ... -
Karakterisasi Membran Serat Selulosa Serabut Kelapa-Fiber Glass Sebagai Membran Separator pada Elektrolizer Air
(Universitas Sumatera Utara, 2019)Characterizations of membranes made from cellulose coconut fiber-fiber glass as H2O separators in water of electrolyzer has been done. The separators membrane was successfully made with a manual and simple technique, mixing ... -
Rancang Bangun Alat Monitoring Kadar Gas Udara Bersih dan Gas Berbahaya CO dan CO2 Didalam Ruangan Berbasis Mikrokontroler Atmega8535
(Universitas Sumatera Utara, 2019)In our life, we can not be separated from the Carbon Monoxide (CO) Gas and Carbon Dioxide (CO2) Gas. CO gas that does not have smell is very harmful to people who inhale air directly due to lack of oxygen and causes weakness ... -
Simulasi Sistem Informasi Pengaturan Perparkiran dengan Menggunakan Sensor RFID Berbasis Mikrokontroller 328
(Universitas Sumatera Utara, 2020)Public facilities are very numerous and can be found everywhere. One of the public facilities available is parking. Parking is needed by two-wheeled and fourwheeled motorists. If the parking lot is not well organized, ... -
Rancang Bangun Sistem Keamanan dan Alarm Gempa Serta Kontrol Lampu Otomatis pada Rumah Menggunakan Sms Berbasis Atmega328
(Universitas Sumatera Utara, 2019)A prototype of a safety system and earthquake warning alarm as well as automatic light control at home using SMS based on ATMega328 jas been designed. This device consists of an RFID tag as an identity to access the RFID ... -
Analisis Dosis Serap pada Radiografi Abdomen Berdasarkan Usia dan Perubahan Faktor Eksposi dengan Menggunakan X-Ray Konvensional
(Universitas Sumatera Utara, 2019)This study aims to determine and analyze the absorbency dose of abdominal photo radiation received by pediatric patients, adolescents and adults while undergoing radiodiagnostic examination. The method used in this study ... -
Perancangan Maximum Power Point Tracking (MPPT) dengan Metode Incremental Conductance Berbasis Arduino
(Universitas Sumatera Utara, 2019)Incremental Conductance Based Photovoltaic Maximum Power Point Tracking using Arduino has been designed, which consisting buck-boost converter circuit and Arduino Nano to control duty cycle with Pulse Width Modulation based ... -
Alat Pasteurisasi Susu Menggunakan Prinsip Ignition Coil Berbasis Atmega328
(Universitas Sumatera Utara, 2020)Milk pasteurization tool based on Atmega328 in producing electric shocks through the principle of ignition coil can improve milk quality. This tool is constructed with a component device consisting of battery, ignition ... -
Rancang Bangun Alat Cas Baterai Tenaga Angvin Berdaya Rendah Berbasis Mikrokontroler Atmega 328
(Universitas Sumatera Utara, 2019)Energy is a very important part of daily life in the community and the natural environment, because almost all human activities always require energy. Wind power plants are now being developed in various places in ... -
Rancang Bangun Alat Ukur Volume Paru dengan Menggunakan Sensor Tekanan Untuk Mengenali Kelainan Paru-Paru
(Universitas Sumatera Utara, 2019)Design of instrument for measure the volume of the lungs simply is very important, so that examination of lung health can be done easily. The volume calculation is obtained by numerical calculation of the value of the ... -
Pembuatan Beton Polimer Menggunakan Serbuk Cangkang Kerang dan Serat Tandan Kosong Kelapa Sawit dengan Resin Polyester
(Universitas Sumatera Utara, 2020)Research has been carried out on polymer concrete from a mixture of sand, shell powder, oil palm empty fruit bunches and polyester resin as a matrix. This study aims to determine the effect of reducing the shell shell ... -
Pemanfaatan Serat Pelepah Pinang (Areca Catechu) dan Batu Apung Sebagai Bahan Pembuatan Batako dengan Resin Poliester Sebagai Perekat
(Universitas Sumatera Utara, 2020)The research has been carried out for the manufacture of polymer bricks that utilize pumice, areca fiber and polyester resin. This research was conducted to determine the effect of the addition of pumice, areca nut fiber, ... -
Pembuatan dan Karakterisasi Komposit Serat Tandan Kosong Kelapa Sawit-Serat Kaca dengan Resin Poliester
(Universitas Sumatera Utara, 2019)This research was conducted to determine the effect of variations in the composition of oil palm empty fruit bunches fiber and fiberglass on the physical and mechanical properties of composites. The oil palm empty fruit ... -
Perancangan Mesin Komposter dengan Pengadukan Otomatis Berdasarkan Kendali Suhu Berbasis Mikrokontroler Atmega328
(Universitas Sumatera Utara, 2019)Design of composter machine with automatic stirring based on temperature control has been successfully designed. Composter was a method that processed organic waste to make organic fertilizer. There was several methods ... -
Rancang Bangun Alat Pengidentifikasi Kematangan Dan Penyortir Buah Apel Berdasarkan Citra Digital (Vision) Menggunakan Matlab Berbasis Mikrokontroler Atmega328
(Universitas Sumatera Utara, 2019)On this study have designed the tool of maturity identifiers and sorter of Apple through a camera that has been controlled by a microcontroller Atmega328.This tool serves to identify and select the Metangan of an apple.The ... -
Peningkatan Sifat Elektrik dan Penginderaan Film Kitosan dengan Penambahan Licl (Litium Klorida) Sebagai Sensor Kelembaban Udara
(Universitas Sumatera Utara, 2020)In this study, the addition of LiCl (Lithium Chloride) in chitosan film has succesfully improved electrical and sensing properties of chitosan film as humidity sensot based on measurement results. The concentration veriety ... -
Sifat Mekanik Gigi Tiruan Akrilik dengan Penguat Serat Daun Singkut
(Universitas Sumatera Utara, 2019)In this research, the manufacture of denture acrylic resin-based thermal polymerization with the addition of singkut leaf fiber variation. Singkut leaf fiber is soaked in a solution of 13% NaOH and mixed with dental flour, ... -
Pengaruh Orientasi Sudut Serat Sisal Terhadap Sifat Fisis dan Sifat Mekanik Papan Komposit dengan Resin Epoksi
(Universitas Sumatera Utara, 2019)This research purpose to determine the effect of the angular orientation of sisal fibers on physical properties density test, water absorption test, porosity test. Toward mechanical properties covering flexural strength ... -
Proses Pengisian dan Pengosongan Backup Baterai pada Sistem Penyedia Tenaga Surya Menggunakan Konverter Dc ke Dc
(Universitas Sumatera Utara, 2020)The sun is a renewable energy that until now maih developed to help contribute electricity. Sun has a very good potential to be developed, including in Indonesia. To obtain electrical energy from the sun to use solar panels ... -
Pembuatan dan Karakterisasi Beton Polimer dengan Agregat Batu Apung Serta Serat Daun Singkut Sebagai Filler
(Universitas Sumatera Utara, 2019)Reseach has bee conducted on the manufacture and characteriation of polymer based on concrete sand, pumice, singkut leaf fibers and epoxy resin with a variety of composition. Singkut leaf fibers are soaked in 5% and 13% ...