The results showed that the average molecular weight of methyl hydrogen silicone, amine structure and Si content in amino modified polyether polysiloxanes have some effects on APEPS performance.

结果表明，含氢硅油分子量、有机胺结构、氨基改性聚醚型聚硅氧烷的硅含量对APEPS性能有影响。

youdao

Application experiment results show that average molecular weight of staple methyl hydrogen silicone and si content of piperazine modified polyether polysiloxane have effects on PPEPS performance.

结果表明：原料含氢硅油的平均相对分子质量、PPEPS的硅含量对其应用性能有影响。

youdao

A methyl group is a basic unit in organic chemistry: one carbon atom attached to three hydrogen atoms.

甲基是有机化学的基本单位：一个碳原子连接三个氢原子。

youdao

In particular, when methyl groups (made up of a carbon atom and three hydrogen atoms) are plastered on to a gene, they can stop that gene from being expressed altogether.

ECONOMIST: Genes are not all there is to heredity