像氖和氩这样的惰性气体,在它们的外电子层有8个电子。
Inert gases like neon and argon have eight electrons in their outer shell.
提出了一种用于定量分析混合气中丙烷和异丁烷爆炸性气体的催化发光(CTL)传感器。
A cataluminescence(CTL) sensor for quantitative analysis of the explosive gases of propane and iso-butane in a mixture was proposed.
那我们对惰性气体有哪些了解呢?
所以我这里有大量的惰性气体。
在有惰性气体,空气存在情况下。
如果没有惰性气体,我只有纯物质。
So in the absence of this inert gas here, I just have the pure substance.
水看上去像是一种惰性气体。
命名:稀有气体,惰性气体。
加入一点惰性气体,就会有一点混合熵。
I add a little bit of inert gas, there's a little bit more entropy of mixing.
答案是肯定的,我们对惰性气体有所了解。
And the answer is yes, we know something about the noble gases.
都是惰性气体结构。
致命的爆炸性气体可能聚集,迫使游客紧急疏散。
Deadly and explosive gases can build up, forcing hasty evacuations.
所以这里的情况是在水的上方,有一部分惰性气体。
没有惰性气体。
尽管你认为那是氮气,我的意思是,它是一种惰性气体。
And, although you think that nitrogen, I mean, it's an inert gas.
要避免这种活性气体从断裂的岩石逃逸重返大气层又该怎么办呢?
But what's to keep the buoyant gas from working its way up through fractured rock and reentering the atmosphere?
我知道氖有个更高的电子力,但在常态下它是惰性气体。
I know neon has a higher yet electronegativity, but normally it is inert.
他说:“我们没有看到仍和太阳能惰性气体在地幔之中。”
我稍稍增加A的量会怎么样,如果在存在惰性气体的情况下?
What if I had a little bit more A, in the presence of the inert gas?
氡是一种自然产生的放射性惰性气体,它无色、无味、无臭。
Radon is a chemically inert, naturally occurring radioactive gas without odour, colour or taste.
在三里岛,防泄漏系统工作完好并没有散发任何放射性气体。
At T.M.I., the reactor containment worked and did not release any radioactive gases.
氡是一种天然产生的放射性惰性气体,它无色、无味、无臭。
Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.
如果没有A物质,而只有惰性气体的话,那么就不会有混合熵。
If I have nothing, if I have no a here, up here and just the inert gas, then there's no entropy of mixing.
氡是一种天然的放射性气体,在美国某些地区浓度高于平均水平。
Radon is a natural radioactive gas that occurs at higher than normal levels in certain parts of the U.S..
虽然组成地球大气78%的氮是一种惰性气体,但它却有多种化学式。
Nitrogen, which, makes up about 78% of the Earth's atmosphere, is an inert gas but it has more reactive forms.
食物可以在空气、过热蒸汽、真空、惰性气体中干燥,可以用直接加热干燥。
Foodstuffs may be dried in air, superheated steam, in vacuum, in inert gas, and by the direct application of heat.
而在周期表里此行最重的元素,惰性气体氦,用于压力舱那类东西的小裂缝。
The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.
这种酸性气体,我们都知道毁坏森林。显然,吸入这样的空气对人的肺不利。
This acid air has been known to denude forests, and obviously the inhalation of such air cannot be good for human lungs.
早期期间宇宙冷却到足以使一种弥漫的电中性气体云充满了宇宙的分子氢形成。
It was during the Dark Ages that the universe cooled enough to allow molecular hydrogen to form, filling the cosmos with a diffuse cloud of electrically-neutral gas.
早期期间宇宙冷却到足以使一种弥漫的电中性气体云充满了宇宙的分子氢形成。
It was during the Dark Ages that the universe cooled enough to allow molecular hydrogen to form, filling the cosmos with a diffuse cloud of electrically-neutral gas.
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