Ma是什么意思，Ma怎么读 Ma基本解释 元素(masurium)的符号（现名technetium锝） Ma的用法和例句 提示：点击例句中的单词，就可以看到词义解释 Ma said he has not met with cook but that he has held meeti...
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Technetium compounds 锝化合物
Technetium dioxide 二氧化锝
You are my technetium 祢是我锝唯
Thou art my technetium CD 祢是我锝唯
Technetium tetrachloride 四氯化鎝 ; 四氯化
同义词： Tc atomic number 43
以上来源于: WordNet
N a silvery-grey metallic element, artificially produced by bombardment of molybdenum by deuterons: used to inhibit corrosion in steel. The radioisotope technetium-99m, with a half-life of six hours, is used in radiotherapy. Symbol: Tc; atomic no: 43; half-life of most stable isotope, 97Tc: 2.6 × 106 years; valency: 0, 2, 4, 5, 6, or 7; relative density: 11.50 (calculated); melting pt: 2204°C; boiling pt: 4265°C 鍀
They named it Technetium to emphasize that it was artificially created with technology.
他们把它命名为 Technetium，是为了强调它是用人工和技术相结合而创造的。
As Masurium, it was the first element discovered that occurs in nature only from spontaneous fission, and as Technetium, it was the first element discovered in a laboratory.
作为 Masurium，它是在自然界中发现的第一种只能通过自然裂变产生的元素；作为锝，它是在实验室中发现的第一种元素。
Technetium-99 is obtained from Molybdenum-99.
锝- 99从钼- 99中获取。
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