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Contact reaction brazing(CRB) for milimetre waveguide in inert atmosphere has been investigated.

对毫米波器件在保护下的接触反应钎焊进行了研

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Two methods of polarization now: spin exchange and metastability exchange are reviewed.

介绍了目前极化常用的两法——自旋交换光抽运和亚稳态能级交换。

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科学世界

To counteract this oxygen would have to be diluted with non reactive gas.

为了制造这种情况,氧气中空气比率需要利性气体来降低。

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透视百科科技类

Nitrogen is an inert gas, so high temperatures and pressure changes have less effect.

氮气是性气体,所以高温和压强变不会对它产很大影响。

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科学60秒 听力 20153月合集

But most of Earth's nitrogen exists as an inert atmospheric gas that organisms can't use.

但地球上绝大多数氮气都是以一种体无法使性气体形式存在。

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经济学人-科技

Most of it, about 92%, is hydrogen. A further 8% is helium, which is chemically inert.

大部分(约92%)气体是氢,另外8%是性气体氦。

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科学60秒-科学美国人 20231月合集

They examined fluids seeping out of fractures in a mine and found particular isotopes of the noble gas xenon.

他们查看从矿井裂缝中渗出液体,从中发现了性气体特殊同位素。

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可汗学院:

The noble gases, that's the other name for the group, 18 elements, noble gases.

性气体,这是该族另一个名称,18 种元素,性气体

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科拉诺斯动画科普

To avoid inert gas narcosis, many divers fill their tanks with Heliox, which combines 21% oxygen with 79% helium.

为了避免性气体麻醉病症,许多潜水员会在水箱中注入一种氦氧混合剂,这可以将21%氧气和79%氦气混合在一起。

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当月 CNN 10 学英语 20198月合集

Halogens, Noble gases, lanthanides or rare earth elements.

卤素、性气体、镧系元素或稀土元素。

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趣味学实验:Periodic Videos

Yep, it's unreactive, it's an inert gas.

,它是, 它是一种性气体

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Crash Course 综合篇

Helium, an ultra-stable, very low-energy noble gas, has 2.

氦气是一种超稳定、能量极低性气体, 具有 2.

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可汗学院:

Then finally you get to kind of your atomic nirvana in the noble gases here.

然后你终于可以在这里性气体中实现你原子必杀技。

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船舶驾驶员实英语口语

But an inert gas system is always required when crude oil washing is operated.

但在原油洗涤操作中总是需要性气体系统。

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CRI在线 20141月合集

He says saturation diving technology enables human beings to withstand high water pressure by saturating human tissue with inert gas.

他表示,“饱和潜水”技术,让潜水员体内各组织体液中所溶解性气体达到完全饱和程度,来适应高压环境。

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TED-Ed(视频版)

These could be a liquid noble gas, germanium and silicon crystals, a refrigerant, or other materials.

这些可能是液态性气体、锗和硅晶体、制冷剂或其他材料。

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可汗学院:

They're all envious of the noble gases, because the noble gases have eight electrons in their outer shell.

他们都羡慕性气体,因为性气体外壳里有八个电子。

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可汗学院:

They could start pretending like they're a noble gas.

他们可以开始假装自己是性气体

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学 Crash Course

Group 18 solids meanwhile are the solid phase materials of the noble gases Group 18 on the periodic table.

18族固体同时是元素周期表中第18族性气体固相材料。

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船舶驾驶员实英语口语

(5) One hour before inert gas system operation is required (for tanker)?

(5) 性气体系统需要运行前一小时(液货船)?

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学 Crash Course

They are most notable in noble gases like helium and neon, and non-polar molecules like carbon dioxide or any kind of oil.

它们在氦和氖等性气体、和二氧碳或任何油类等非极性分子中最为显着。

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Scishow 精选系列

Basically, helium is very useful for us because it doesn't really do anything; it's totally inert; it doesn't explode like hydrogen, it doesn't corrode like oxygen.

氦对我们非常有,因为它”什么事情也不会做“;它是性气体;不像氢气一样易爆,也不像氧一样容易腐蚀。

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