Artikel (198)
Natural zeolite is an alternative adsorbent. It needs firstly to be activated before using it as absorbent in order to get zeolite with high adsorption capacity. Previously, the use of pelletized zeolite activated by NaOH-physic and KOH-physic with varied normalities was only pe...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Sumber daya agrikultur yang besar yang dimiliki Provinsi Lampung, khususnya singkong yang menjadi bahan baku tepung tapioka. Ampas dari produksi tepung tapioka ini disebut onggok. Onggok dapat dimanfaatkan sebagai bahan baku obat nyamuk bakar, pupuk, pembuatan saus, dan campuran kerupuk, serta pakan...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Sebagai salah satu daerah produksi kopi, Provinsi Lampung telah menjadi sentra pengelolaan kopi, yang terbentang sepanjang bukit barisan. Dua kabupaten penghasil kopi adalah Kabupaten Lampung Barat dan Tanggamus, yang rata-rata produksinya mencapai 1,2 ton setiap 1 hektar lahan perkebunan Proses p...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Cooling system in the engine functions as the protector of the machine by absorbing the heat. Heat engine is produced by fuel in the cylinder. The heat is deliberately created to generate energy, but it will cause excessive heat if it is left unchecked (over heating effect). In order to prevent over...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
The using of magnesium alloy, as alternative to iron and steel, is becoming more popular in the manufacturing industries. Magnesium and its alloys were classified as lighter material and also available in a quite large quantity in this world. Some of machined componens, included automotive and aeros...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Electrical energy has become a part of our lives. Even, for some people has become the primary requirement that can’t be eliminated. This can affect the sources of energy used in the process of power generation. Therefore, the presence sources of renewable energy is needed to increase the energy s...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Use of natural fiber composite material started being developed in the manufacturing industry. Progress is due to the composite nature of the privilege of the composite itself, such as: has a low density, capable of biodegradable, recyclable, has good mechanical properties, and can be r...
MECHANICAL; Vol. 5 No. 1 (2014) | 2014
Motorcycle modification has been done many times to new motorcycles, such as motorcycle 125cc that was first released in 2004 and old motorcycles, such as motorcycle 100cc that was first released in 1997. motorcycle 100cc with engine base 100cc is very popular in the market. But, there are many weak...
MECHANICAL; Vol. 4 No. 2 (2013) | 2013
One of the sub-process of coffee production is wet coffee processing. It is done to reduce the longer of drying time. So, it can minimize the growth of okhratoksin mushroom which can reduce the quality of coffee beans.There are some steps in doing this research, as follow; the first, choosing peeler...
MECHANICAL; Vol. 4 No. 2 (2013) | 2013
Dalam produksi engsel terdapat dua kategori utama pengerjaannya yaitu pemotongan (Cutting) dan penekukan (bending). Proses pemotongan ini bertujuan memotong material berupa lembaran logam (pelat) dibuat sesuai dengan ukuran engsel, sedangkan proses penekukan (bending) bertujuan untuk membentuk pelat...
MECHANICAL; Vol. 4 No. 2 (2013) | 2013