英语语法分析

R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."

是取化基，如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。

MIR is not homologous to any known protein, as homologs were not found in the rice or Arabidopsis genome databases, or in the EST database for other organisms.

通过对拟南芥和水稻基因组的以及其他物种EST数据库的比对，发现MIR和已知蛋白均不同源。

A new chemical equation for the reaction of ethane with steam is suggested. It is pointed out that the steam conversion is similar to hydrocracking of methane homologs.

提出了乙烷与水蒸汽转化反应的新化学计量方程序，对已有的反应机理作了补充，指出甲烷同系物的水蒸汽转化与其加氢裂解反应的相似本质。