Two-way decode-and-forward(DF) relay technique is an efficient method to improve system performance in 5G networks.However,traditional orthogonal frequency divi
The oxidation behavior of three biodiesels of different origins,viz.rapeseed oil derived biodiesel,soybean oil derived biodiesel and waste oil based biodiesel,w
Time flies.Sermics Co.,Ltd.has gone through 20 years.As a manufacturing enterprise from Shandong Province to Shanghai and fiom China to the world,the company ha