Undergraduate Theses
Undergraduate Theses
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Now showing items 221-240 of 1310
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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 ... -
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 ... -
Rancangan Alat Pengontrol Kecepatan Putar Motor Listrik Berbasis Mikrokontroler AT89S52
(Universitas Sumatera Utara, 2010)Had design a instrument who can measure and controlled of electric motor who active otomaticly. The Instrument controlled electric motor before with control voltage gived at motor. This instrument design for defend stability ... -
Prototype Kontrol Temperatur Pada Sebuah Inkubator Penetas Telur Berbasis Mikrokontroller AT89S52
(Universitas Sumatera Utara, 2011)With developments in technology, requires innovation to create the tool as a substitute for egg incubator hatching eggs manually, by way of using light as a conduit of an unbiased temperature changed. AT89S52 one IC is ... -
Pembuatan dan Karakterisasi Keramik Berpori dari Campuran Zeolit dan Bahan Aditif Arang Sekam Padi dengan Perekat Polivinylalcohol (PVA)
(Universitas Sumatera Utara, 2010)The phorous ceramics based on zeolite and ash of hush of paddies had been fabricated and characterized. Both substances were pulverized and sieved with a 100 mesh. The variations of composition were 100:0, 90:10, 80:20, ... -
Kinematika Gerak Perpindahan Gelombang Air Dipermukaan Bidang Berbentuk Lingkaran
(Universitas Sumatera Utara, 2011)Kinematics of motion displacement of water waves in circle surface consider about two-dimensional wave equation in a Cartesian coordinate system by using variable separation method. In entire discussion, the two-dimensional ... -
Perancangan Kwh Meter dengan Sistem Prabayar Berbasis Mikrokontroller AVR ATMega8535
(Universitas Sumatera Utara, 2010)Has been designed a Kwh Meter Listrik with Prepaid System by using EEPROM Microprocessor which can maintain data though happened disconnection of energy power allowance. Device designed equiped with Keypad 4 x 4 and ... -
Analisis Tingkat Kebisingan Pesawat Terbang di Pasar 6 dan Simpang Pos Padang Bulan Medan
(Universitas Sumatera Utara, 2010)Has done research on Aircraft Noise Level in Pasar 6 and Simpang Pos Padang Bulan Medan at the time of take off and landing with various types or kinds of aircraft. At the level of aircraft noise can in Pasar 6 Padang Bulan ... -
Pengaruh Suhu dan Waktu Pembakaran Pada Struktur Beton terhadap Kuat Tekan Beton
(Universitas Sumatera Utara, 2010)Concrete that has been printed after the age of 28 days of drying the treated fuel at temperatures 100oC, 200oC, 300oC, 400oC, 500oC, 600oC, 700oC and 800oC with holding time (holding time) 20 minutes, 40 minutes and 60 ... -
Pengaruh Penambahan Abu Batubara terhadap Sifat Fisis dan Mekanik Mortar
(Universitas Sumatera Utara, 2010)The composition mixture of coal ash in this research is respectively 5%, 10%, 15%, 20%, 25% and 30% from the weight of the cement. The samples used are square and cylindrical objects. From the research, it is found that ... -
Pemanfaatan Serat Ijuk Pendek dalam Pembuatan Beton Ringan terhadap Sifat Mekaniknya
(Universitas Sumatera Utara, 2010)Concrete with a mixture of short palmyra fiber was made by submersion time 28 days. Mechanical and physical propertiesof the samples: compressive strength, density, and water absorbtion has been determined by ASTM and SNI ... -
Analisis Efisiensi Daya Listrik Pada Generator Pembangkit Listrik di PT Pln Persero Paya Pasir Medan
(Universitas Sumatera Utara, 2010)It has done reserch about power analitic to electric generator at PLTG (Electric Garoline Generator) Paya Pasir Medan, to know power efisient of Nanjing Turbine & Electric Mechinery (Group) co. LDT, made in China which ... -
Analisa Kelakuan Partikel Berdasarkan Statistik Maxwell- Boltzmann, Bose-Einstein dan Fermi-Dirac
(Universitas Sumatera Utara, 2010)Statistical mechanics to show how the nature of many particle systems makrospic touch with nature itself mikrospic particles, statistical mechanics do not question the actual movement or interaction the individual ... -
Pemanfaatan Abu Sawit Sebagai Campuran Semen Pada Pembuatan Mortar
(Universitas Sumatera Utara, 2010)Palm ash constitutes as cesspool of palm production that contains a lot of silica element (SiO2) and constitutes pozzolanic material. In this research palm ash was utilited as additive material in mortar mixture. The testing ... -
Pengaruh Penambahan Serbuk Gergaji Kayu dalam Pembuatan Beton ditinjau dari Segi Mekanik
(Universitas Sumatera Utara, 2009)In this research wood sawdust used as substitution some of cement in concrete making. rate of wood Sawdust used is 5%, 10%, 15% and 20% from amount the cement. Object test made with the mixture composition 1 cement : 2 ... -
Perbandingan Teknik Tegangan Tinggi (KV) dengan Teknik Tegangan Standar (KV) terhadap Nilai Ekspose Indeks pada Pemeriksaan Thorax dengan Menggunakan Computed Radiography (CR)
(Universitas Sumatera Utara, 2013)Research has been conducted to compare the high kV technique with the standard technique checks Radiography kV Thorax postero anterior (PA). In this study, the receptor is the receptor used Kodak radiography computer ... -
Analisa Hasil Diagnosa Tumor Paru pada Gambaran Topogram Penggunaan Pesawat CT-Scan Dibandingkan dengan Penggunaan Pesawat Sinar-X Konvensional
(Universitas Sumatera Utara, 2013)Was done a research about tumor diagnosis analysis paru on topogram's picture CT Scan's plane purpose compared with by conventional x-ray plane purpose. this research is done direct on patient object that have clinic ... -
Pengaruh Temperatur Heat Treatment dan Holding Time terhadap Sifat Fisis, Mikrostruktur dan Sifat Magnet Permanen Bonded NdFeB
(Universitas Sumatera Utara, 2014)Nd-Fe-B bonded magnet is made by mixing the NeodymiumIron Boron (Nd-Fe-B) magnet powder type MQP 16-7B+ with binder material, celluna WE-518 which has non-magnetic characteristic. The composition of powder and binder ... -
Efek Holding Time Heat Treatment terhadap Sifat Fisis, Mikrostruktur, dan Sifat Magnet pada Pembuatan Bonded Magnet Pr-Fe-B
(Universitas Sumatera Utara, 2014)This study made the manufacture of bonded magnets PrFeB with curing of vacuum temperature variation and air at 100, 150, 180, 2000 C, a constant t = 1 hour and then performed a variation detention time of 30 minutes, ...
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