Announcement of Retraction

 

The editorial office of Research Journal of Applied Sciences, Engineering and Technology has recently confirmed that the article written by Zhenyu Han et al, published in the July 2012 issue (RJASET, 4(13): 2017-2023), was an imitation publication. Based on the request of the authors and as a punishment, we hereby notify our readers that this article and the other one published in the June 2012 issue (RJASET, 4(12): 1822-1827) have been retracted. Please do not cite both articles in any way.