Department of Physics: Recent submissions
Now showing items 261-280 of 2646
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Studi Analisis Simulasi Tentang Korelasi Suhu Sintering dan Waktu Pembakaran Terhadap Sifat Mekanis Keramik PSZ dengan Aditif MgO
(Universitas Sumatera Utara, 2006)Partially Stabilized Zirconia (PSZ) is a toughness ceramic so that can be used by toll cutting and bio ceramic. Have been done by ceramic making of PSZ ,Yith additive 12% mole MgO. Ceramic which have been printed by ... -
Studi Tentang Korelasi Temperatur Sintering Terhadap Sifat Fisis pada Waktu Pembakaran Tetap pada Keramik Porselen Alumina Secara Simulasi
(Universitas Sumatera Utara, 2006)Research about influent of Alumina composition has been done for making of ceramic of alumina porcelain. The applied raw material were Feldspar, Clay and Quartz, with addition alumina was varied from 0%, 5%, 10%, 15%, ... -
Pengaruh Campuran Senyawa Boron Untuk Mengurangi Sifat Kegetasan
(Universitas Sumatera Utara, 2015)It had been the manufacture of ceramics for construction materials with Clay, feldsfar, Kaolin and Quartz and Boron Compounds binder material. The based materials Variations composition are: 95,96,97,98,99, 100% (in mass%) ... -
Pengaruh Penambahan Ampas Daun Teh terhadap Sifat Fisis dan Sifat Mekanik Pada Beton
(Universitas Sumatera Utara, 2022)Research has been carried out on construction concrete with the addition of tea leaf pulp. This concrete method uses mixed variations of 0%, 2%, 4% and 6% with the addition of tea leaf pulp as a substitute for part of ... -
Studi Ketahanan Oksidasi Pada Fe-Ni-Cr-Al-Ti dengan Metode Flame Spray Coating
(Universitas Sumatera Utara, 2022)The walter walll tube component found in the circulalting fluidized bed (CFB) boiler operaltes alt very high temperaltures (800–900 °C) alnd operaltes in aln albralsive environment. These working conditions often result ... -
Sintesis dan Karakteristik Fasa Cu-Cr-O Menggunakan Pelarut H2so4 dan HNO3 dengan Metode SOL-GEL
(Universitas Sumatera Utara, 2022)Cu-Cr-O material was a material that hat a delafossite structure and potentially hat good thermoelectric properties. In this study, the Cu-Cr-O material has been synthesized using the sol-gel method using H₂SO4 and HNO3 ... -
Pembuatan dan Karakterisasi Beton dengan Campuran Abu Sekam Padi dan Serat Daun Nanas terhadap Sifat Fisis dan Mekanik Pada Beton
(Universitas Sumatera Utara, 2022)Research on the manufacture of construction concrete based on rice husk ash and pineapple leaf fiber by the method of cast in situ. The concrete made in this study had several variations, namely 0%, 2,5%, 5%, and 7,5% with ... -
Pengontrolan Temperature Konstan Hotplate Pemanas Kopi dengan Sensor Lm35 Memanfaatkan Library Pid Arduino
(Universitas Sumatera Utara, 2022)Automatic coffee heating hotplates used a PID control system were used so that the desired temperature can be maintained and remains stable and the output error was small. By adding a PID controller to the device, it was ... -
Rancang Bangun Pendeteksi Asap Rokok Berbasis Arduino Uno dengan Output Suara dan Lampu Otomatis
(Universitas Sumatera Utara, 2021)With the increasing number of indoor users who are dominated by smokers in closed users, it greatly affects the health of both smokers and non-smokers. Until now, the problem of cigarette smoke in public places is still ... -
Peningkatan Akurasi Pembacaan ADC 10BIT ATMEGA328 terhadap Sensor Arus ACS712 dari 27mA/BIT menjadi 5mA/BIT Menggunakan Differential Amplifier AD620 dan Kalman Filter
(Universitas Sumatera Utara, 2022)Research has been carried out on the design of a current measuring device using the ACS712 current sensor which has increased the reading sensitivity using an AD620 differential amplifier and a Kalman filter. This study ... -
Rancang Bangun Alat Pemilah dan Penghitung Buah dengan Menggunakan Laser Berbasis Mikrokontroller Atmega328
(Universitas Sumatera Utara, 2021)Companies always try to replace work that has been done by humans to be replaced with machines in order to improve efficiency and improve the quality of their production.Along with the development and advancement of science ... -
Karakteristik Beton Polimer Berbasis Pasir, Serbuk Cangkang Kerang, dan Serat Kulit Durian dengan Pengikat Resin Epoksi
(Universitas Sumatera Utara, 2022)Research had been carried out on polymer concrete from a mixture of sand, shell powder, durian skin fiber, and epoxy resin. This study aimed to determine the effect of the addition of epoxy resin on the physical properties ... -
Pengaruh Variasi Reduced Grafena Oxida (rGO) terhadap Sifat Listrik Membran Polimer Elektrolit Berbasis Kitosan/Zeolit Alam Pahae/Reduced Grafena Oxida (rGO)
(Universitas Sumatera Utara, 2022)Chitosan/zeolite/rGO (Cs/Z/rGO) membranes have been prepared with five variations of membrane samples, namely Cs/z, Cs/z/rGO (0.5% w/w), Cs/z/rGO (1.0 % w/w), Cs/z/rGO (1.5% w/w), and Cs/z/rGO (2.0% w/w) using the solution ... -
Rancang Bangun Alat Ukur Pergeseran Tanah (Extensometer) Berbasis Sensor Ultrasonik Menggunakan Media Transmisi Serat Optik
(Universitas Sumatera Utara, 2022)One of the serious disasters that often occurs in Indonesia is landslides. Currently the occurrence of landslides can be predicted by looking at the displacement of the soil from several measuring instruments that can ... -
Rancang Bangun Sistem Pengatur Suhuadan tingkatakekeruhan Airapada Budidaya Ikan Hias Menggunakanamikrokontroler ATMEGA 8535
(Universitas Sumatera Utara, 2022)Freshwater ornamental fish farming provides many opportunities for the community because there are many enthusiasts and was one of the interesting hobbies. Butifor the success of such cultivation requires special attention ... -
Analisis Dinamika Atmosfer dan Lautan Terhadap Pola Cuaca dan Iklim di Sumatera Utara
(Universitas Sumatera Utara, 2010)Based on topographic conditions in North Sumatra in the top five areas include: East Coast, East Slope, Mountains, West Slope and West Coast. The data used are monthly rainfall data of 12 rain posts in North Sumatra, ... -
The Enhancement of Transition Temperature and Phase Stability in (TI2-xMxBa2CaCu28-8) High Temperature Superconductor with M=Cr and Te
(Universitas Sumatera Utara, 2017)Two series of the Tl-based (T1-2212) high temperature superconductor, Th2-xCryBa2CaCu2O8- and Th2-TexBa2 CaCu2O-s have been prepared via solid state reaction. The substitution of Cr and Te to the TI-site is aimed to ... -
Pemanfaatan Limbah Padat Industri Karet Sarung Tangan Dan Poliurethane Alam Dalam Pembuatan Genteng Polimer yang Kedap Suara
(Universitas Sumatera Utara, 2013)Polymer's roof has been done using solid waste in rubber gloves industry with the best mixing composition from the making of polymer's roof Samples from any composition which is done thus being pressed by hot compressor ... -
Studi Penempatan Transformator Distribusi Berdasarkan Jatuh Tegangan Pada PT. PLN (Persero) Rayon Medan Kota
(Universitas Sumatera Utara, 2011)Distribution system is a system that transmits electricity from generating electrical energy to consumers in mid-scale voltage to low voltage. Where in the distribution of electrical energy required a considerable distance ... -
Studi Statistik Kuantum dalam Fungsi Partisi
(Universitas Sumatera Utara, 2010)Partition function used for the N of harmonis oscillator or N of particle of boson and also fermion to free particle identic system do not interact by comparing result of calculation between Einstein model with method ...