英语释义

1. any of a group of rare gases that include helium, neon, argon, krypton, xenon, and usually radon and that exhibit great stability and extremely low reaction rates — called also inert gas

2. any of a group of rare gases that include helium, neon, argon, krypton, xenon, and sometimes radon and that exhibit great stability and extremely low reaction rates — called also inert gas

片语

noble gases isotopic ratios惰性气体同位素比值

isotopic geochemistry of noble gases稀有气体同位素地球化学

noble or inert gases也称为惰性气体

The Noble Gases稀有气体

The e Noble Gases稀有气体

noble e gases稀有气体

crystal of the noble gases稀有气体晶体

Noble gases isotopic composition惰性气体同位素

kr noble gases氪气

英汉例句

• behavior: these elements were considered to be inert gases until the 1960s, because their oxidation number of zero prevents the noble gases from forming compounds readily.

  反应性质：直到20世纪60年代，这些元素都被认为是惰性气体。这是因为：这些元素的氧化数是0，这使稀有气体不容易形成化合物。

• in other words, the noble gases of the atmosphere are isotopically heavier than those of the sun.

  换句话说，这些来自大气的惰性气体同位素率相较那些来自太阳的气体更加重。

• so do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?

  那么，你认为稀有气体的电子亲和能，应该是一个高的正值，一个低的正值，还是一个负值？

• the study indicates strong composition differences between noble gases from morb and oib supporting two-layer mantle structure. mantle degassing process is controlled mainly by scd model.

  研究表明，morb源和oib源玄武巖稀有气体组成差异强烈支持地幔双层结构的存在，地幔脱气过程主要受溶解度控制脱气模式（scd）控制；

• the six noble gases are found in the far right column of the periodic table.

  六种稀有气体在元素周期表的最右侧。

• the integrated study of noble gases and gases such as co2, ch4 and n2 and their isotopes is an effective method developed rapidly in recent years.

  稀有气体与co2、ch4、n2等气体及其同位素的结合研究是近年迅速发展的研究体系。

• colourless, odourless, and tasteless, it is the most abundant of the noble gases on earth and the one most used in industry.

  地球上丰度最大、工业上最常用的一种惰性气体。

• the proton affinities of the noble gases are the following: he, 1.8; ne, 2.2; ar, 3.0; kr, 4; and xe, 6 ev.

  稀有气体的质子亲合力如下：he1.8；ne2.2；ar3.0；kr4；xe6ev。

• all noble gases have the maximum number of electrons possible in their outer shell (two for helium, eight for all others), making them highly stable.

  所有的稀有气体元素的最外层电子数都是该层最大的可能数目：氦的最外层电子有两个，其它的稀有气体最外层电子数是八。 这使稀有气体非常稳定。

• is the atomic radius of noble gases large specially?

  惰性气体元素的原子半径特别大吗?。

• the first ionization potentials of the noble gases provide a measure of how firmly the outer electrons are held by the effective nuclear charge.

  稀有气体的一阶电离势提供了一个评价的标準，能衡量外层电子被有效核电荷束缚的强度。

• strons new purple emission bands are observed when mixtures of cs and noble gases being excited by blue lines of an argon-ion laser.

  用氩离子激光泵浦铯蒸气和惰性气体混合系统，得到了一个强的新的兰紫荧光辐射带。

• based on information from noble gas, noble gases in the atmosphere are originated from mantle degassing.

  根据惰性气体提供的信息，地球大气圈中惰性气体主要由地幔脱气形成。

• during its normal operation, nuclear power plants will produce some radioactive noble gases (krypton and xenon).

  在核电站的正常运行期间，将产生放射性惰性气体（主要为氪和氙）。

• it is suggested that the new value of covalent radii of the noble gases should be used so as to fit the teaching and learning of concept of atomic radii and its shifting rules.

  建议采用有实测依据的希有气体原子新共价半径值，以利原子半径概念及其递变规律的教与学。