Diaryl nitroxides are even more stable than the dialkyl nitroxides.二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定.AIM To offer reference for further research of 2, 4 - diaryl - 1 , 3 - dithiolane compounds.目的为进一步设计和研究2, 4- 二芳基 -1, 3-二硫戊环类化合物...
They take a wide - area sampling and attempt to discover any correlating attacks.他们通过大范围的取样,然后努力的找出相关性的攻击.A measure correlating stock price movement to the movement of an index.把股票价格的运动联系到指数运动的一种衡量方法.Lieutenant Ryan clos...
One of his first experiments after the telephone bettered the phonograph.他在发明电话后首次的一项实验中,改善了留声机的品质.He bettered his last year's record.他刷新了他去年的记录.As an account of adolescence it could hardly be bettered.作为描写青春期的书，它已几...