任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.应用正碳离子聚合的方法合成新型聚异丁烯遥爪预聚物.The new telechelic prepolymers of polyisobutylene have been synthesize...
The raft came close to the rocks and then sheered away.这条木筏划近岩礁,然后迅速转向避开.The boat came close to the rocks and then sheered away.船靠近岩石时突然掉转航向.I saw her in the High Street, but she sheered off so as not to meet me.我在大街上看见她...
总可以做到使得简并的本征函数是正交的.It can always be arranged that degenerate eigenfunctions are orthogonal.此外, 这三个解全都是互相正交的.Further, these three solutions are all orthogonal to each other.和两个不同的主胁变相对应的主方向是互相正交的.The principal directions ...