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- reactive metals disposal 反应性金属处理
- Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium. 在活泼金属,如钛和的锆生产中,氦可以提供保护性气氛。
- In each field, all of the reactive metals, the promotors, and the ligands or the supporters were described. 分别叙述了两类催化反应过程中活性金属、助剂、配体或载体的选择对催化剂性能的影响;
- Sodium is a reactive metal. 钠是一种活泼金属。
- sodium is a reactive metal; free radicals are very reactive. 那是活泼金属;自由分子非常活泼。
- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- Copper and gold are both metals. 铜和金都是金属。
- Metals undergo expansion when heated. 金属加热时会膨胀。
- It follows that acids eat in metals. 由此可知,各种酸对金属都有腐蚀作用。
- Memory has been shown to reside in some metals. 已经证实,记忆存在于某些金属中。
- Metals expand when they are heated. 金属遇热则膨胀。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Some metals weld better than others. 有些金属容易焊,有的不容易焊。
- Metals contract in cold weather. 金属在寒冷的天气里收缩。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- Metals contract as they get cooler. 金属遇冷则收缩。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗?
- The acid eats into metals quickly. 酸腐蚀金属很快。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。