The alkylation of isoparaffin with olefin is an important process of petroleum processing.异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis re...
In spite of her hostility, she was attracted to him.尽管自己心存敌意，她还是为他所吸引。The blunt comment made Richard laugh in spite of himself.这番率直的话让理查德不由自主地大笑起来。I wouldn't trust them in spite of all their la-di-da manners.尽管他们处处显...
Many shipyards will have to close.许多船坞将不得不关闭.The orders will throw a lifeline to Britain's shipyards.这些订单将给英国的造船厂注入一线生机。By the 1960s, many shipyards were struggling.到20世纪60年代，许多造船厂都在勉强支撑。SFI is used by shipping and ...