Nowadays the waste PCBs increasing sharply proportionally the number of personal computers which is 5.7 million in 2005 and the predict amounts, it will be increase to 11.5 Million in 2010 (Unit Perancangan Ekonomi, ...

Co-Cr-Mo (F-75) alloys are commonly used for surgical implants because of their strength, corrosion resistance and biocompatibility. Conventionally, fabrication of the alloys has been established using casting technique. ...

The Floatability of copper on the Modified Hallimond tube depend on lots of parameters such as dosage and types of collector, frother, air flow rate, flotation time, and pH value. All of this parameters give different ...

This review is focused on the current synthetic routes for the preparation of magnetic nanoparticles and nanocomposites as well as their surface modifications with functional groups useful for biomedical applications. Some ...

In the present work, mild steel sheets consisting two batches were welded by resistance spot welding at different welding parameters and exposed under different environments. The 5% sodium chloride brine was used in the ...

Agricultural wastes such as palm ash and rice husk have a possibility to be used as a useful renewable source for the production of silica (SiO2). Extensive researches have been carried out to extract silica from agricultural ...