Zinc is used to protect other metals from corrosion. 锌被用来保护其他金属不受腐蚀。
Lead was one of the metals known to the ancient world 铅是早在古代就已知的金属之一。
Gold retains its lustre for far longer than other metals 黄金保持其原有光泽的时间较其他金属要长得多。
Silver is the most malleable of all metals. 银是延展性最好的金属。
Metals conduct electricity. 金属传电。
Tungsten is classified among the metals. 钨归入金属类。
Low temperature contracts metals. 低温使金属收缩。
Lead is one of the softer metals. 铅是硬度较低的金属之一。
Metals expand when they are heated. 金属受了热就会膨胀。
An alloy is a combination of two or more different metals. 合金是两种以上不同金属结合而成的。
Metals contract as they cool. 金属遇冷就会收缩。
Most other metals do not have such a flat yield region. 其它多数金属没有这种平的屈服区域。
All metals are conductive. 金属都有传导作用。
Certain metals are attracted to a magnet. 某些金属受磁石的吸引。
Oxygen will exert a chemical action on metals. 氧会对金属产生化学作用。
Acid acts on most metals. 酸对大多数金属起作用。
Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals. 砷的主要处理方法有硫化物沉淀法,或与多价重金属络合。
Strong acids attack metals. 强酸腐蚀金属。
What spurred them on was alchemy, the science of changing ordinary metals into gold. 激励他们的是炼金术,即把普通金属变为金子的“科学”。
Yttrium serves as an ideal non-magnetic diluent for the rare-earth metals. 钇被用作稀土金属一种理想的非磁性稀释剂。
Steelmaking is basic, but there are many other related industries in this area too* glass, nonferrous metals, chemicals, rubber and machinery. 炼钢是基础工业,但是这个地区还有许多其它的有关工业-玻璃,有色金属、化学品、橡胶以及机械等工业部门。
Copper and gold are both metals. 铜和金都是金属。
Platinum and gold are precious metals. 铂和黄金是贵重金属。
Rocks and metals are inorganic substances. 岩石和金属都是无机物。
Copper and other base metals have also been transmuted: copper and gold have performed almost exactly alike. 铜和其它贱金属也变了模样:铜和黄金的表现几乎完全一样。
Gold, silver, platinum and palladium constitute the majority of trading in precious metals. 黄金、白银、白金和钯构成了贵金属的大部分交易。
Bases include oxides and hydroxides of metals and ammonia. 碱包含金属和氨的氧化物和氢氧化物。
And, this is all that was known at that time, seven metals, carbon, and sulfur. 这是当时所知道的了,7种金属,碳,和硫磺。
This pure gold is commonly alloyed with other metals to increase its hardness and decrease its cost. 这通常是纯金合金与其他金属,以增加其硬度和降低其成本。
The chemical behaviors of heavy metals in contaminated environment affected by acid rain are reviewed. 摘要综述了酸雨对污染环境中重金属化学行为的影响。