查询词典 noble gas

Contamination of noble gas in the crude oil of Gangxi oilfield.

以黄骅坳陷港西油田为例，测试并研究了原油中的稀有气体氦和氩同位素组成，并探讨了其示踪作用。

The spectral broadening is the key. At present, the spectral broadening by usinghollow fiber filled with noble gas is most feasible.

而光谱的展宽更是其中的关键步骤，目前利用冲惰性气体的中空光纤来进行光谱展宽，是最可行的方法。

Interhalogen and noble gas compounds comprise a relatively limited family of highly reactive and unstable molecules whose primary importance is their role in testing chemical bonding theory .

互卤化物和惰性气体化合物组成的高活性和不稳定的分子相对有限的家庭，其最重要的是他们在测试化学键理论的作用。

Taking Gangxi Oilfield in Huanghua Depression as an example,the isotopic compositions of noble gas in crude oil and their tracing significance were investigated.

以黄骅坳陷港西油田为例，测试并研究了原油中的稀有气体氦和氩同位素组成，并探讨了其示踪作用。

The important influencing factors for SWNTssynthesis using electric arc are studied, such as ratio of catalyst, current intensity for arc,presure of noble gas and catalysts variety.

探讨了催化剂种类、催化剂配比，助长剂的添加及打弧电流等因素对合成的影响。

" Noble gas:Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon , krypton, xenon, and radon."

稀有气体：通常排列在周期律中最右边一族的六种化学元素：氦、氖、氩、氪、氙和氡。

So here, retained the original real estate development and gas and days of Aura, as well as natural and as, therefore, here the building of a noble cultural communities has become an ideal place.

所以在这里，保留了原来的房地产开发和天然气和天的光环，以及自然和作为，因此，在这里建设一个高尚文化社区已成为一个理想场所。

A noble gas, it is colourless, odourless, tasteless, completely unreactive, and nontoxic.

一种稀有气体，无色、无臭、无味，完全不起化学反应，而且无毒。1868年从观察太阳周围的大气光谱中被人首度发现。

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。

The application of the noble metal catalyst in the purification of the vehicle tail gas gets a large attention from the people all the time.

贵金属催化剂在汽车尾气净化中的应用一直受到人们的很大关注。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。