大家都搜:
反应性金属;活性金属
1、fusibility metals───易熔金属
2、fabricated metals───金属制品
3、provident metals───普罗维登特金属公司
4、speedy metals───快速金属
5、transition metals───[化学]过渡金属;[化] 过渡金属元素
6、niobate metals───铌酸盐金属
7、metals───五金
8、coinage metals───钱币金属
9、actinide metals───锕系金属
1、They are very reactive metals, and they are never found in the elemental state in nature. However, their compounds are widespread.───它们非常活泼,在自然界不能以单质存在,然而他们的化合物到处可见。
2、Reactive metals, strong bases, most organic compounds.───反应金属,强基础,大部分有机化合物。
3、With the exception of boron, group IIIA elements are also fairly reactive metals.───除了硼以外第三主族的元素也是比较活泼的金属。
4、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。
5、These reactive species can lead to uncontrolled reactions with polymers and certain metals, liberating heat and causing further dissociation of NF3.───这些活泼的氟会导致无法的控制的同聚合体和特定金属的反应,释放出热量,导致NF 3的进一步分解。
6、example, if he was talking about the group one metals, he noticed these were all very soft reactive metals, those were grouped together.───比如,他在讨论,I,族金属,注意到它们都是质地较软的活性金属,这些被归到一类。
7、Standard Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys───高熔点和活性金属及其合金中碳含量测定的标准试验方法
1、In each field, all of the reactive metals, the promotors, and the ligands or the supporters were described.
2、Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium.