V2EX selenium

Selenium

释义 Definition

Selenium(化学元素,符号 Se,原子序数 34)。人体所需的微量元素之一,常见于某些食物与营养补充剂中;在材料与电子领域也有用途。(另:也可指自动化测试工具 Selenium,此处以常见含义“化学元素硒”为主。)

发音 Pronunciation

/silinim/

例句 Examples

Selenium is found in Brazil nuts and seafood.
硒存在于巴西坚果和海鲜中。

Adequate selenium intake supports antioxidant defenses, but too much can be harmful.
适量摄入硒有助于抗氧化防御,但过量可能有害。

词源 Etymology

selenium 由瑞典化学家贝采里乌斯(J. J. Berzelius)于 19 世纪命名,源自希腊语 Selēnē(“月亮女神/月亮”),与同系的 tellurium(源自拉丁语 tellus,“地球”)相对照;因其化学性质在某些方面与碲相近而得名。

相关词 Related Words

文学作品 Literary Works

  • 普里莫莱维(Primo Levi)《元素周期表》(The Periodic Table)以化学元素为主题的文学作品中常涉及并讨论包括硒在内的元素与相关化学经验。
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