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- Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed. 对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。
- Transition element Any chemical element with valence electrons in two shells instead of only one. 过渡元素及其化合物:价电子处在两个壳层而不是一个壳层里的任何化学元素。
- M= transition element) is freshly finding RE-Iron metal compound with broad research worth. M=过渡族金属)是新近发现的具有广泛研究价值的稀土-铁金属间化合物。
- Chelate: Any of a class of coordination or complex compounds consisting of a central atom of a metal (usually a transition element) attached to a large molecule (ligand). 螯合物:一类配位化合物或错合物。它是由一个大分子(配位体)与一个中心金属(通常是过渡元素)原子连结而成。
- Keywords VSEPR theory;transition element;configuration of complex; VSEPR理论;过渡元素;配合物构型;
- I am afraid the last post has been dispatched. 恐怕末班邮件已经发出了。
- All bookings must be made by post. 所有预约都必须用信函形式。
- By parcel post our samples were sent. 我们的样品是通过邮包寄送的。
- No one can alter the fact, ex post facto. 没有人能在事后改变事实本身。
- How long is the post tenable for? 这个职位任期多长？
- I went to the post office to mail the letters. 我去邮局寄信。
- He was disqualified for the post on account of age. 年龄不合格使他无法无资格任此职。
- AN ANNULAR TRANSITION ELEMENT AND ITS APPLICATION TO DISC VIBRATION ANALYSIS 环形过渡元素及其在轮盘振动分析中的应用
- His suitability for the post is open to question. 对这一职位他是否适宜很成问题。
- I want to send these magazine by book post. 我想把这引起杂志作为书籍邮件寄出。
- I have no idea why he resigned his post. 我不知道他为何辞去他的职务。
- The cross-piece is mortised into the upright post. 横梁和立柱是用榫眼接合一起的。
- Except for the transitional elements, valency electrons are in the outermost electron shell. 除去过渡元素外，价电子位于最外面的电子层。
- We hope there will be a peaceful transition to the new system. 我们希望能够和平过渡到新的制度。
- He ran against a lamp post in the dark. 在黑暗中他撞上了一根电线杆。
