If it were not for the vapour in the air there would be no dew .

如果空气中没有 水气，就没有露水。

The warm water vapour in your breath has become water on the cold glass .

你呼吸出来的水 蒸气在冷玻璃上变成了水。

They were in time to produce carbon nitrogen water vapour and other gases which were to make the earth 's atmosphere .

它们最终产生了碳，氮气， 水汽和其它气体，从而形成了地球上的大气层。

Water vapour cloud and snow .

水， 水汽，云彩和雪。

This product had strong property of separation and recovery of organic dissolvent and vapour .

这种产品对有机溶剂和有机 蒸气有很强的分离、回收性能。

When nitric acid is poured on copper a Brown vapour gives off .

将硝酸倒在铜上，会散发出一种棕色的 蒸气。

Vapour lamps can be used since they produce light of different characteristic wavelengths .

可以采用 汽灯，因为此种灯能产生具有不同特征波长的光。

A cloud is a mass of vapour in the sky .

云是天空中的 水汽团块。

Therefore when this vapour is cooled and condensed the condensate will contain more volatile components .

因此，当该 蒸汽被冷凝时，冷凝液中含有较多易挥发组分。

Water vapour and clouds are the primary variables modulating direct solar absorption .

水汽和云是调节直接太阳吸收的主要要素。

A cloud is a condensation of water vapour in the atmosphere .

云是由大气中的水 蒸气凝结成的。

A liquid fuel which easily evaporates and turns into vapour is called volatile .

易于蒸发和变成 气体的液体燃料叫作挥发性燃料。

Vapour pressure is an important product specification .

蒸气压是一个重要的产品规格。

And water vapour is green house gas .

水 蒸气就相当于温室气体。

This light can be used to illuminate a glass bulb containing sodium vapour .

可以用这种光来照射一个含有钠 蒸气的玻璃泡。

The glass tank contains hot mercury vapour .

那个玻璃容器里盛放的是热的水银 蒸汽。

The vapour of the chlorine and iodo compounds in particular can be toxic .

氯和碘的化合物的 蒸气是有毒的。

They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen and add water vapour and some trace gases .

他们往云室里填充了由液态氮和液态氧经气化后制成的纯净空气，并添加了 水汽和一些痕量气体。

Water vapour condenses to form clouds

水 蒸气凝结形成云。

The present situation and prospects of the coldbox processes with gas or vapour as curing agent were introduced .

介绍了各种用气体或 气雾体硬化的化学粘结剂冷芯盒工艺的研究现状和发展前景。

This intense radiation would unavoidably have freed oxygen by decomposing the water vapour and carbon dioxide in the atmosphere .

这种强烈的紫外线辐射，将不可避免地通过分解大气中的水 蒸汽和二氧化碳来释放出氧气。

Boiling water and water vapour etching test

沸水和水 蒸汽侵蚀试验

Water is turned into vapour .

水被 加热 以后，就变成了 水 蒸汽。

Such particles act as nuclei for the condensation of water vapour into the droplets of which clouds are composed .

这些颗粒在水 蒸气凝聚成水滴并进一步合成为云层的过程中充当核心成分。

The multiple-effect evaporator uses the vapour produced in one unit to heat a succeeding unit .

多效蒸发器利用一个单元产生的 蒸汽加热后一个单元。

Vapour can be changed into liquid by cooling .

蒸气可以通过冷却变成液体。

Condenser : Device for reducing a gas or vapour to a liquid .

冷凝器：把气体或 蒸气 转变成液体的装置。

Water can change from liquid state into ice or vapour .

水能从液态变成冰或 水 蒸汽。

The mechanism of vapour dewatering is described and its research state is presented in details .

文中介绍了 蒸汽脱水的机理，并较详细介绍了 蒸汽脱水的研究状况。