Objects expand when heated and contract when cooled.
物体热则涨，冷则缩。
The liquid distils when heated.
液体被加热时会蒸馏。
The chemical dissolves into its constituent parts when heated.
那化学药物经加热后便分解成其组成的成分。
金属加热后会膨胀。
Liquid converts to gas when heated.
加热可使液体转化为气体。
气体受热即膨胀。
Metals undergo expansion when heated.
金属加热时会膨胀。
Water changes into vapour when heated.
水加热后转变为蒸气。
Water can be changed into vapor when heated.
水被加热时，可以变成水蒸汽。
Metals expand when heated and contract when cooled.
各种金属遇热膨胀，受凉收缩。
Metals will melt when heated to a certain temperature.
金属加热到一定的温度都会熔化。
The chemical dissolves into its constituent parts when heated.
该化学药剂加热时会分解成其组成的分子。
The filament gives off light when heated by an electric current.
当灯丝藉助于电流而加热时，就会发出亮光。
Although it feels as hard as stone, it easily melts when heated.
虽然摸起来像石头一样硬，可是加热后就很容易熔化。
Generally, all objects expand when heated and contract when cooled.
物体一般都有热胀冷缩的性质。
Although Amber feels as hard as stone, it easily melts when heated.
虽然琥珀摸起来像石头一样硬，可是加热后却很容易熔化。
Practically all substances expand when heated and contract when cooled.
几乎所有的物质都是热胀冷缩的。
Now, I'm going to explain to you how this metal will expand when heated.
下面，我来解释一下这种金属在加热后是如何扩张的。
A polymer that, when heated ('thermo') does not become soft and deformable.
热固性树脂是加热后不会变软，不会发生形变的一种高聚物。
It is a common physical phenomenon that substances expand when heated and contract when cooled.
物体遇热膨胀，遇冷收缩，这是一种普遍的物理现象。
It's a source of emergency air on planes, submarines, and spacecraft that releases oxygen when heated.
这是在飞机、潜艇及宇宙飞船里，应急空气的来源，它在被加热时释放氧气。
Isocyanate curing agents which when heated or reacted with hydroxy functional polymers giving urethane coatings.
异氰酸酯固化剂在加热的情况下与羟基聚合物反应形成聚氨酯涂料。
It may also be possible to use thermoplastics (which melt when heated), instead of thermosetting plastics (which do not).
碳板材铺层自动化应该可以实现，用热塑性塑料(加热即融)代替热固性塑料(加热不融)也是可能的。
But flavanoids degrade quickly when heated or processed and are often removed from commercial chocolate because they taste bitter.
但由于黄酮类化合物遇热或处理过程中分解很快，并且由于其味苦，市面上的巧克力通常都会将它去除。
But flavonoids degrade quickly when heated or processed and are often removed from commercial chocolate because they taste bitter.
但由于黄酮类化合物遇热或处理过程中分解很快，并且由于其味苦，市面上的巧克力通常都会将它去除。
Instead of expanding when heated — as is normally the case — the material contracts, a phenomenon known as negative thermal expansion.
与正常材料不同的是，当加热时，该材料不是膨胀，而是收缩，表现出负的热膨胀现象。
Instead of expanding when heated — as is normally the case — the material contracts, a phenomenon known as negative thermal expansion.
与正常材料不同的是，当加热时，该材料不是膨胀，而是收缩，表现出负的热膨胀现象。
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