Undergraduate Theses
Undergraduate Theses
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Pembuatan dan Karakterisasi Kanvas Rem Berbasis Komposit Serat Rami dan Serat Buah Pinang dengan Resin Epoxy sebagai Perekat
(Universitas Sumatera Utara, 2016)The brake pads have been done by using mixture of material : ramie fibers, areca fiber, activated carbon as filler and epoxy resin as matrix through a dry compression moulding technique with variation of composition ramie ... -
Sintesis dan Karakterisasi Serbuk Bafe12O19 dengan Aditif FeMo Melalui Metode Mechanical Alloying
(Universitas Sumatera Utara, 2016)BaFe12O19 powder with FeMo (1, 3, 5, 7, dan 9%wt) additive has been synthesis by mechanical alloying method and variation of calcination at temperature: 1000, 1100, and 1200 oC (2 h). The characterization of powder ... -
Perancangan Kulkas Mini Menggunakan Peltier Super Cooler Berbasis Mikrokontroller Atmega32
(Universitas Sumatera Utara, 2016)Was created and analyzed thermoelectrically cooler as refrigeration mini capacity of 5 liters .Using super peltier cooler type of 12706. It works by utilizing feltiereffect , whereby when the peltier electrified occur ... -
Rancang Bangun Penjejak Matahari Dual Axis Menggunakan Sensor Ldr Serta Pengaruh Suhu dan Kelembaban terhadap Optimalisasi Penyerapan Tenaga Surya
(Universitas Sumatera Utara, 2017)The design idea is obtained of problems that arise from a solar energy conversion system into electrical energy in the position or direction of panel. With movement or track of sun would made the focal point of the sun ... -
Penyesuai Kadar Oksigen dalam Ruangan Berbasis Mikrokontroler
(Universitas Sumatera Utara, 2016)Has designed a device controller Indoor Oxygen adaptation Based Microcontroller. This device consists of the O2 sensor, microcontroller ATmega8535, DC motors, and Buzzer. This tool is used to measure the levels of O2 ... -
Solusi Numerik Fungsi Gelombang Arah Radial Elektron Atom Hidrogen dengan Efek Relativistik
(Universitas Sumatera Utara, 2014)Telah dilakukan perhitungan numerik fungsi gelombang arah radial elektron atom hidrogen dengan efek relativistik menggunakan metode beda hingga. Perhitungan ini dimulai dari teori relativistik khusus Einstein pada ... -
Pembuatan dan Karakterisasi Batako Ringan Menggunakan Abu Vulkanik Sinabung dan Serat Batang Pisang dengan Perekat Polyester
(Universitas Sumatera Utara, 2016)The study have done in research and manufacturing of lightweight concrete block, using volcanic ash, banana rods fiber and polyester resin as binder material. Composition variations prepared for this study include ... -
Karakterisasi Ekstrak Daun Hemigraphis colorata Sebagai Dye Pada Dye Sensitized Solar Cell
(Universitas Sumatera Utara, 2015)The characterization of Hemigraphis colorata leaf extract has been performed as dyes in Dye Sensitized Solar Cell (DSSC). DSSC is a prototype that can convert solar energy become electrical energy which is composed of ... -
Perancangan Sistem Perbaikan Faktor Daya (Cos ) Otomatisdengan Menggunakan Mikrokontroler Atmega8535
(Universitas Sumatera Utara, 2013)Electrical load is used generally have inductive reactive load that caused the current wave lags behind the voltage wave. This resulted in the amount of power absorbed from the power source is greater than that used by ... -
Rancang Bangun Alat Ukur Tingkat Kerusakan Oli Mesin Berdasarkan Konstanta Dielektrik Berbasis PC
(Universitas Sumatera Utara, 2015)Has conducted an identification of changes in the level of damage to the engine oil by identifying changes in the dielectric constant indicated the output voltage changes the occur in a system tool that has been designed ... -
Kajian Teoritis Gejala Indeks Bias Negatif Material
(Universitas Sumatera Utara, 2015)This study is aimed describe the phenomenon that occurs in a material with a negative refractive index metamaterial. The negative refractive index is obtained when the permittivity and permeability of a material is ... -
Pembuatan dan Karakterisasi Papan Akustik Poliester Berbasis Serat Agave Angustifolia Haw
(Universitas Sumatera Utara, 2015)A research about absorption of sound energy by acoustic board composite made from combination of Agave angustifolia haw fiber and adhesive polyester has been conducted. This composite made from composition of Agave ... -
Pengaruh faktor ekspose terhadap kontras resolusi CT Scan
(Universitas Sumatera Utara, 2015)Research on Effects of Exposure Factors Against Contrast Resolution CT Scan in RS Pirngadi field to determine the relationship factor is exposure to the contrast in an image resolution CT scan. In the method is carried ... -
Analisis Ketebalan Filter, Daya Serta Jarak yang Digunakan antara Safelight dengan Film Radiografi untuk Meminimalisir Fog
(Universitas Sumatera Utara, 2015)There was an observation about the analysis of filter thickness, capacity and distance which use between safelight and radiography film minimize fog. The distance which almost close by between safelight with radiography ... -
Perancangan Alat Pengukur Kecepatan & Debit Suatu Aliran Cairan Berbasis Mikrokontroler
(Universitas Sumatera Utara, 2014)Have designed a tool to harness the technology used to measure velocity and flow rates. Tool designed using ultrasonic sensors based on AVR microcontroller ATMega 8535 are used for measuring the flow rate of water discharge ... -
Kajian Teoritik Persamaan Dirac dalam Pengaruh Medan Magnetik Homogen
(Universitas Sumatera Utara, 2015)Elementary particles interaction in certain external background always produce non trivial result. The researcher used special treatment toward elementary particle movement (Dirac equation) that is affected by homogen ... -
Pembuatan Genteng Polimer Berbahan Baku Debu Vulkanik Gunung Sinabung dengan Perekat Resin Polipropilen
(Universitas Sumatera Utara, 2015)A research about the polymer roof production consisting of sinabung’s vulcanic dust, asphalt with polypropylene resin adhesive has been conducted. This research was using vulcanic dust as the material of polymer roof ... -
Pemanfaatan Serat Lidah Mertua (Agave Angustifolia Haw) dan Kulit Pisang Sebagai Bahan Baku Pembuatan Kertas
(Universitas Sumatera Utara, 2015)Research on the use of Agave Angustifolia Haw Fiber and Banana Peels as Raw Material for Making Paper has been done. Pulping process was conducted with chemical alkali methods aiming to obtain an alternative raw material ... -
Pembuatan dan Karakterisasi Komposit Serat Palem Saray dengan Matriks Poliester
(Universitas Sumatera Utara, 2013)The manufacture and characterization of composite made from mixed palmsaray fiber - polyester matrix using Chopped Strand Mat method has been done. The composites were made from composition of the palm saray fiber of 0%, ... -
Sistem Pengenalan Wajah Menggunakan Webcam untuk Pintu Otomatis dengan Menggunakan Metode Eigenface
(Universitas Sumatera Utara, 2015)Face is one of the interesting characteristic of human biometric is used as one of the forms identification of human identity. Blend between the webcam with the computer can be used as a device room securyti. Where the ...