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- hole electron pair 电子 空穴对
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- This paper analyzes shell electron pair repulsion theory, valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds. 对稀有气体化合物的分子结构分别用“价层电子对互斥理论”、价键理论”和“分子轨道理论”进行了分析处理。
- An axial electron pair meets at right angles with 3 neighboring pairs. 轴向电子对与三个相邻的电子对相交成直角。
- An electron pair. 电子偶电子对
- By calculating the number of va-lence electron shell,we can gain the geometry array of the electronic pair,and then judge the molecular structures. 计算出价层电子对数,得到电子对的几何排布,从而判断出分子的几何构型。
- Another is the Lewis definition (also 1923): An acid (see electrophile) is a chemical that can accept an electron pair from a base (see nucleophile), which they share to form a covalent bond. 另一种理论是路易斯（Lewis）理论（也是在1923年发表）：酸（参阅electrophile）就是能由碱（参阅nucleophile）接受一个电子（electron）对形成一个共价键（covalent bond）的化学物质。
- By inputting DPT down hole electronic gauge in acid and fractured string to measure pressure and temperature on real time and assembly analyzed this data with monitoring press. 该项技术是通过在酸压管柱中下入DPT井下压力计,进行井底压力和温度实时监测,将该项资料与井口监测压力组合分析,可实现不同工作液摩阻参数、酸压效果的系统评价。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- l electron pair repulsion theory 价层电子对互斥理论
- Symbol of electron pair transfer 电子对转移的符号
- Inert Electron Pair Effect and Elemental Properties 惰性电子对效应与元素的性质
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- In this model the arrangement of bonds around the cetral atom is considered to depend upon how many valence-shell electron pairs. 在这个模型中，认为围绕中心原子的化学键的排列取决于价层中电子对的数量。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- valence-shell electron pair repulsion theory 价层电子对推斥理论
- Don't mix up this pair of synonyms. 别把这两个近义词混淆了。
- Stick your hand in and see what's in the hole. 把手伸进去，看看洞里有什么。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
