您要查找的是不是:
- In most cases, rare gas seldom reacts with other matter. 一般情况下,稀有气体很难与普通物质发生反应。
- Helium is a noble gas. 氦气是钝气。
- Being a noble gas, it resists chemical bonding with other elements and is thus easy to purify for isotopic analysis. 由于氙是惰性的,不易与其他元素产生化学键,因此很容易纯化以进行同位素分析。
- Neon, a rare gas in the air, takes only fractional percentage point of the volume. 氖是空气中的稀有气体,只占空气体积的千分之几。
- 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。
- Abstract: Direct simulation Monte Carlo method has been successfully applied into simulation of rare gas. 文摘:直接模拟蒙特卡罗法在稀薄气体模拟中获得了成功的应用。
- The heaviest noble gas, it is colourless, odourless, tasteless, radioactive, and almost completely unreactive (forming compounds only with fluorine). 氡是最重的稀有气体,无色,无臭,无味,有放射性,相对不活泼(只与氟组成化合物)。
- Direct simulation Monte Carlo method has been successfully applied into simulation of rare gas. 直接模拟蒙特卡罗法在稀薄气体模拟中获得了成功的应用。
- In some materials, mainly noble gas liquids such as xenon, the process triggers the emission of light, called scintillation light. 对某些物质来说(主要是液态惰性气体,比如氙),这个过程会发出闪烁光(scintillationlight)。
- One is the van der Waals interaction between rare gas and small molecules, the other is the studies on the bond interaction of rare gas atoms. 本文主要概述了稀有气体化学研究的两个方面:一是对稀有气体和一些分子之间范德华作用的研究,二是对稀有气体原子成键作用的研究。
- The heaviest noble gas, it is colorless, odorless, tasteless, radioactive (see radioactivity), and relatively unreactive (forming compounds only with fluorine). 氡是最重的稀有气体,无色,无臭,无味,有放射性,相对不活泼(只与氟组成化合物)。
- While discussing bonding essence of molecules of noble gas and some properties of compound molecules, this paper points out their advantages and disadvanteges and how to apply different theories to solve various knotty problems in teaching. 讨论了稀有气体化合物分子的成键本质以及某些性质,指出它们各自的优缺点和如何应用不同的理论去解决教学中不同的疑题。
- Argon is also widely used in the lighting industry for filling bulbs and in combination with other rare gases for special color effects. 氩还在照明工业得到了广泛应用,填充灯泡,以及同其它稀有气体一起用于获得特殊的颜色效果。
- One of the noble gases, neon is colorless, odorless, tasteless, and completely unreactive. 氖是稀有气体的一种,无色、无臭、无味,完全不起化学反应。
- We have calculated interatomic charge density overlap integrals of all homogeneons rare gases in this paper. 本文对相同稀有气体原子间电荷密度的重叠积分进行了全面计算。
- These facts show that the closed configurations of the noble gases are most difficult to disturb by removal of a electron. 这些事实表明,对惰性气体的闭合电子组态,要移去一个电子以破坏其组态是最困难的。
- It is the most plentiful of the rare gases making up approximately 1% of the earth's atmosphere. It is monatomic and extremely inert, forming no known chemical compounds. 它是最丰富的稀有气体,占地球空气的约1%25。它是单原子,极不活泼,没有已知的化合物。
- His doctoral thesis was devoted to the geochemistry, geochronology and nuclear chemistry of the noble gases xenon and krypton. 他的博士论文专门探讨关于惰性气体氙与氪的地球化学、地质年代学以及核化学。
- The later contains not only conventional non-hydrocarbon gases like carbon dioxide, hydrogen, nitrogen, and etc, but also rare gases, such as helium, argon, and even neon. 在非烃气中有二氧化碳、氢气、氮气等常规非烃气体,也有号称惰性气体的稀有气体。
- It was in the days when motorcars were rare. 那是在汽车还罕见的时代。
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌