The activation energy for dehydration reaction has been calculated by Freeman - Carroll method.采用Freeman-Carroll方法计算了配合物脱水过程的活化能和反应级数.Ron Freeman appeared pasty faced and nervous.罗恩·弗里曼脸色苍白，显得很紧张。Peter was made a Freeman...
Deliberate before you begin, then execute with vigour.著手前要深思熟虑，执行要果断有力。He was a man of extraordinary vigour and liberality of mind.他是个生气勃勃和思想非常开朗的人.A succinct style lends vigour to writing.措辞简练使文笔有力.His body lacks the bo...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.一种叫作吡...