This derivation is only valid if no chain scission accompanies crosslinking.这一关系式仅适用于交联时不伴有断链发生的情况.The reaction of chain scission is first - order reaction.白油的断链为一级反应.The research on producing 10 - hydroxy decanoic acid ...
Brackish waters generally support only a small range of faunas.咸水水域通常只能存活为数不多的几种动物。We shall appreciate this difficulty more clearly, by looking to certain existing faunas and floras.通过观察某些现存的动物群和植物群,我们就能更清楚地了解这种困难了.Most ...
She balled the handkerchief up and threw it at his feet.她把手绢揉成一团，丢在了他的脚边。Brian's face balled up like a fist.布赖恩的脸鼓得像个拳头。I picked up the balled socks.我把卷成团的袜子拾掇起来。...
There were always things to think about when she went walking.她去散步的时候总是有一些事情要考虑。Give me a few hours to think about it.给我几个小时考虑一下。I think we need to go away and think about this.我认为我们有必要走开一下去考虑这件事。...