碳的诸多同位素the many isotopes of carbon碳的化合价是4价。Carbon has a valency of 4.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 18 - juvenile hormone....
Central denervation was performed in the spinal cord or sacral nerve roots.中枢性去神经施行于脊髓及骶神经根.Objective : To explore the morphological changes in orbicularis oculi muscle and orbicularis oris muscle after denervation.目的: 探...
These figures were often spuriously computed by selecting particularly favorable sample groups.这些数字往往是用错误的方法计算出来的,所用的都是特别挑选出来的对自己有利的样本组。The book received a favorable review.这本书赢得了好评.They are favorable to the proposal.他们赞...
如果再发生严重的通货膨胀,那么利率就会迅速上调。If raging inflation returns, then interest rates will shoot up.“这事还会再发生吗?”——“但愿不会,但谁知道呢。”"Will it happen again?"— 'I hope not. but you never know.'这事绝无仅有;不会再发生了。It was just a one-off; it...
结合潘二矿储煤仓工程实例, 详细介绍了筒仓滑模施工技术.Combining engineering example with coal storage bunker, introduced slide form construction technology in detail.井口受煤仓的有效容积影响因素很多,计算复杂.There are many factors influenced to the effective volume ...