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...
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...