Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.Note the presence of megakaryocytes, erythroid islands, and granulocy...
The optimum operation conditions of ion - exchange are obtained by intercross experimental method.运用正交试验得到了较佳的树脂交换—再生操作条件.These directions embody the trends of integration, intercross and qualification.可以看出沉积物搬运和底形研究的方向体...
In the background, dressed in pale green, stood Eunice.尤妮斯穿着浅绿色的衣服站在后面不起眼的地方。Babbitt was bewildered by this worship of new gods, and he suspected that Eunice smoked cigarettes.这种对新神道的崇拜使巴比特迷惑不解, 他还怀疑尤妮斯抽烟.Isn't it g...
这些螺钉是公制的.These screws are metric , ie have been measured in fractions of a metre.千米,公里公制的长度单位,等于1, 000米 ( 0.62英里 )A metric unit of length equal to 1, 000 meters ( 0.62 mile ).告诉电器的电压降超过距离, 都为AWG的和公制的电缆.Tells electrical v...