Undergraduate Theses

Karakterisasi Fisis Batako dengan Pemanfaatan Abu Jerami Padi

Sari, Wulan (Universitas Sumatera Utara, 2010)

This research is done for the usage of rice straw waste for the concrete block manufacturing. The variation of rice straw ash composition of the sand are : 0%, 10%, 20%, 30%, 40% and 50%, with 28 days hardening time. ...

Pengukuran Kadar Gas Pencemar Nitrogen Dioksida (No2) di Udara Sekitar Kawasan Industri Medan

Zendrato, Eliyunus (Universitas Sumatera Utara, 2010)

Measurement the rate of dioxide nitrogen ( NO2) on the air around industrial area of Medan site. Measurement of wind Speed, temperature of air and air dampness to know the meteorology factor influence to rate of NO2. ...

Analisis Pencemaran Logam Berat pada Air Sumur Bor dengan Metode Spektrofotometri di Kecamatan Medan Belawan

Purba, Damayanti Fitasari (Universitas Sumatera Utara, 2009)

Was research about heavy metal pollution level analyzing at district coast region Medan-Belawan with has measured heavy metal degree found on artesian well water. Artesian well is well type at most used at region not yet ...

Pengaruh Kadar Perekat Urea Formaldehyde pada Pembuatan Papan Partikel Serat Pendek Enceng Gondok

Sinulingga, Hesty Rodhes (Universitas Sumatera Utara, 2009)

At this research, particle board made by short fibre of thyroid enceng isn't it rate glue of Urea Formaldehyde 6%, 8%, 10%, 12% and 14%. This research aim to to know influence of the glue rate to nature of fiis (rate ...

Perancangan Inkubator Memanfaatkan Sisi Panas dari Elemen Peltier Berbasis Mikrokontroller Atmega 8535.

Sari, Putri Puspita (Universitas Sumatera Utara, 2016)

It has been designed and analyzed utilizing the tool incubator with Peltier element hot side. This study uses a Peltier TEC1-12706. This study analyzes and works by utilizing the Peltier Seebeck effect, which is currently ...

Pengaruh Parafin pada Pembuatan Papan Partikel Serat Acak Sabut Kelapa

Sidabutar, Novalizar (Universitas Sumatera Utara, 2009)

At this research, made particle board of coconut coir fibre with glue rate 10% and paraffin rate variation of 0%, 0,5%, 1%, 1,5% and 2% This research aim to know influence of paraffin rate to nature of fisis (water absorpsion, ...

Pemanfaatan Abu Sekam Padi sebagai Sebagian Semen dalam Pembuatan Beton

C, Khairul Lakum (Universitas Sumatera Utara, 2009)

Dusty luced up paddy directed by incediarism luced up paddy, This time, many scientist used dusty up paddy to make a material, like ceramik, etc in this research, dusty luced up paddy used as subsitute a part of cement in ...

Pembuatan dan Karakterisasi Keramik Berpori Berbasis Tanah Lempung dan Serbuk Kulit Kakao.

Siburian, Jantiber (Universitas Sumatera Utara, 2017)

Ilmu pengetahuan dan teknologi yang terus maju, menuntut ilmuwan untuk beraktifitas secara cepat, tepat dan praktis dalam menciptakan maupun mengembangkan suatu produk penelitian yang telah ada ataupun yang baru namun ...

Pembuatan dan Karakterisasi Bata Konstruksi dengan Memanfaatkan Limbah Padat Pulp dan Semen

Ritonga, Siti Aisyah (Universitas Sumatera Utara, 2009)

his research is done for exploiting the pulp solid waste such dregs, grits, and biosludge for the brick manufacture. The research is done by using the pulp solid of dregs, grits, and biosludge, with the variation of cement ...

Rancang Bangun Data Logger Pengukuran Arus, Tegangan dan Suhu dari suatu Baterai dengan Pemberian Beban Berbasis Arduino Duemilanove.

Harahap, Futri Amidhani (Universitas Sumatera Utara, 2017)

Designed Data Logger Measurement of Battery Characteristics Based on Arduino Duemilanove. This data logger system is built from arduino duemilanove module as its controller and uses SD Card as its storage. The storage ...

Produksi Tetrakuark dan Pentakuark pada Peluruhan Meson B

Marpaung, Ronald Pangidoan (Universitas Sumatera Utara, 2009)

Decay rate of B meson that produce the tetraquark and pentaquark has been counted in a standard model framework. By using tree-level approximation, decay process of hadronic level, B-H+Z, has been calculated from quark ...

Simulasi Teknik Pengkodean Regular Low Density Parity Check Code pada Sistem MC-CDMA

Juliandy, Tonny (Universitas Sumatera Utara, 2009)

As an effect of the globalization era, telecommunication technology, especially in wireless communication system is forced to prepare high data rate with reliable Quality of Service (QoS) with Low Bit Error Rate (BER) and ...

Pengaruh Penambahan Silika Amorf dari Sekam Padi terhadap Sifa Mekanis dan Sifat Fisis Mortar

Sitorus, Tanti Kartika (Universitas Sumatera Utara, 2009)

Luced up paddy is the waste of rice drill. Luced up paddy consist on much amorf of silica if it's heated until 500-700" C of temperature in 1 to 2 hours. In this research, have used silica amorf as an additive thing in ...

Pemanfaatan Limbah Padat Pulp Grits dan Dregs dengan Penambahan Kaolin sebagai Bahan Pembuatan Keramik Konstruksi

Harefa, Fani Besprina (Universitas Sumatera Utara, 2009)

Research about ceramics from solid waste result from factory of pulp as raw material has been made by addition 0%, 5%, 10%, 20%, 25%, 30%, 40% and 50% (weight) of kaolin Satering temperatur at 1100°C and sample of ceramics ...

Pembuatan dan Karakterisasi Genteng Beton yang dibuat dari Pulp Serat Daun Nenas-Semen Portland Pozolan

Saragih, Deli Natalia (Universitas Sumatera Utara, 2007)

The objective of this research is to use leaf pineapple fibers for reinforcement in making tile roof and it's characteristics. The ultimate flexural strength on exchange cement pulp fiber: sand is 1: 0,15 0,5 in fiber ...

Aplikasi Fuzzy Logic untuk Perancangan Alat Pengaturan Otomatis Intensitas Penerangan Ruangan Berbasis Mikrokontroler Atmega 8535.

Alviyanti, Mery (Universitas Sumatera Utara, 2017)

Every room need different lighting. It’s depends about the activities. Some research about of lighting on productivity have make me knowing about lighting which appropriate with activities will generate maximum productivity ...