The reaction mechanism of cyanate ester monomer synthesized by a " cyanogen halide - phenol method " is discussed.分析了 “ 卤化氰 - 酚法 ” 合成氰酸酯单体的化学原理.The cyanate Resin is modificated by styrene and divinyl benzene , which are ...
患者按十分制给这些治疗方法打分。The patient rates the therapies on a scale of zero to ten.他指责教师打分不公平.He accused his teacher of unfair marking.打分时他要考虑哪些因素?What factors does he take into consideration in determining the grades?...
There was a firm rubric in the book about what had to be observed when interrogating anyone under seventeen.书中严格规定了审讯17岁以下未成年人时应当遵守的事项。She was no longer interrogating but lecturing.她已经不是在审问而是在教训人了。The police are interrog...