metals

Metals expand with heat.

遇热膨胀。

malleable metals such as gold;

如等可延展性；

Metals contract in cold weather.

遇冷天气收缩。

Metals are eroded by acids.

易所腐蚀。

Not all metals work easily.

不是所有的都容易加工

Some metals conduct heat.

某些导热

elements are usually classified as metals or non-metals (see chapter 11).

元素一般分和非（见第11章）。

the component of metals that causes their congelation.

中使其凝固的成分。

the metals had been freighted from the city.

这些已经从这个城市运走。

Francium is the densest of the Alkali Metals and also radioactive.

钫是碱中密度最大的,具有放射性。

Certain metals are attracted to a magnet.

某些受磁石的吸引。

How do acids react on metals?

对会起什么样的化学反应?

Medieval alchemists attempted to transmute base metals into gold.

中世纪的炼丹术士企图把贱炼成。

fusion of metals in an alloy; the difficult fusion of conflicting factions.

熔化合；有利益冲突的派别很难融合

elements are usually classified as metals or non-metals.

化学元素通常归元素或非元素。

plants and micro-organisms can concentrate metals from the environment.

植物和微生物能从外界环境中浓缩。

prices of metals such as aluminium and copper have rallied.

铝和铜等格已复涨。

Sugar, oil and metals are refined before use.

糖, 油和在使用前须先提炼。

This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.

离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱、碱土、贵、稀土元素、锕系元素等的分离与测定。

Its properties also provide rust protection for steel surfaces and other oxidizable metals.

其性质也针对铁及其他易氧化表面提供防锈保护。

What spurred them on was alchemy,the “science” of changing ordinary metals into gold.

激励他们的是炼术，即把普通变子的“科学”。

It also serves and a rust protection coating on steel and other oxidizable metals.

也可用于钢铁和其他易氧化表面作防锈涂料。

Certain metals are attracted to a magnet.

某些受磁石的吸引。

Sugar, oil and metals are refined before use.

糖, 油和在使用前须先提炼。

Gold and silver are tractable metals.

和银是容易加工的。

The natives used to hammer the metal into arrowheads, using heavy stones.

土著人以前总是用沉重的石头把这种锤打成箭头。

Of scuds metals conduct heat most quickly. They are the best heat conductors.

在所有的固体中传热最快，它们是最好的导热体。

All renascent oxygen is consumed for oxidizing metal anode to form metal oxide film.

当形成足够厚的氧化膜后， 阳极的氧化速度减慢， 阳极表面才析出氧气。

Copper is a highly conductive metal.

铜是极易导（电、热）的。

How do acids react on metals?

对会起什么样的化学反应?

He hands a metal disc to me.

他把一个圆盘给我。

Metal is a good conductor of electricity.

是很好的导电体。

The acid has eaten through the metal.

把这块腐蚀穿了。

The blacksmith is hammering the red-hot metal.

铁匠正在锤烧红的铁。

This metal net filters out the dirt.

这个网滤掉污物。

This workshop melts down the metal scrap.

这个车间熔化废。

A worker put metal bands around the safe.

一名工人用箍箍那保险箱。

Molten metal ran out on to the flagstones.

熔化的溢流到外面的石板上。