氦气是什么意思_氦气用英语怎么说_氦气的翻译_氦气翻译成_氦气的中文意思_氦气怎么读,氦气的读音,氦气的用法,氦气的例句

Helium is a noble gas.

氦气是惰性气体.

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Most big balloons are now filled with helium.

现在许多大气球中充的是氦气.

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They also discovered that the helium in the balloons would last for six hours.

他们也发现汽球中的氦气有效时限可达六小时.

常春藤生活英语杂志-2006年3月号

The nonrigid helium - filled Blimp was principally developed by Alberto Santos - Dumont ( 1873 - 1932 ) .

软式充填氦气的飞船主要是由桑托斯- 杜蒙特 发展改进.

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He tied them to a lawn chair and filled them with helium.

他将气球绑在折椅上并注入氦气.

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Nuclear fusion has created helium, carbon and other chemical elements.

核聚变已产生了氦气, 二氧化碳和其他化学元素.

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The VM type cryogenerator is a mini - device using heat imput from outside.

vm型氦气制冷机是依靠外界输入热量来制冷的微型制冷设备.

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One class of white dwarfs has almost pure helium atmospheres.

有一类白矮星的大气层几乎完全由纯氦气构成.

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Helium leaking slowly from the Balloon.

氦气慢慢地从气球中漏走.

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Hydrogen provided more lift than helium.

氢气的上升性能优于氦气.

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Helium gas was the thermometric fluid.

氦气是测温液体.

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GASES: gas H 2 He and other noble gases air N 2 typical industrial gases etc.

可以压缩的气体: 天然气氢气氦气等特殊气体空气氮气典型的工业气体等.

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A steady analysis code on the direct helium turbine cycle system high - temperature gas - cooled reactor was developed.

开发了包括堆芯、蒸汽发生器、透平、压气机及换热器等模块在内的高温气冷堆氦气透平直接循环系统的稳态计算程序.

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For liquid hydrogen system, Helium purge is required after or before nitrogen purge.

对于液氢系统用氮气吹扫之后,还要用氦气吹扫.

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Thousands of cubic metres of helium were pumped into the towering silver canopy of his balloon.

数千立方米的氦气被灌入高达几米的银色气球中.

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