Most measurement methods are under the non - collinear geometry and have many limitations in applications.绝大多数测量方法都是在非共线几何结构下测量的,在实际应用中有很大的局限性.The coaxial collinear printed dipole structure used to improve gain and array...
Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...
They even set up their own news agency to peddle anti-isolationist propaganda.他们甚至设立了自己的通讯社来宣扬反孤立主义。When a drug pusher offered the Los Angeles youngster $100 to peddle drugs, Jack refused.一个毒贩给杰克100美元让他贩卖毒品时,这个洛杉矶少年拒绝了。S...