selenium

音标发音

• 英式音标 [səˈliː.ni.əm]
• 美式音标 [səˈliː.ni.əm]
• 国际音标 [si'li:niəm]
• 英式发音
• 美式发音

基本解释

• n.[化] 硒

同根派生

• selenium相关词

英汉例句

• Selenium and aluminum are found in vanishingly small concentrations within living things.
  硒和铝在生物中含量其微.
• Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.
  除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.
• Other good sources of selenium: seafood, beef and whole - grain breads.
  其他含硒食物有: 海产品, 牛肉和全麦面包.
• Selenium and aluminum are found in vanishingly small concentrations within living things.
  硒和铝在生物中含量其微.
• Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.
  除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.

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词组短语

短语

• selenium trioxide 三氧化硒
• Selenium yeast 硒酵母;酵母硒;富硒酵母
• selenium photocell [电]硒光电池;硒光池;硒光电管;硒光电池
• Selenium Steel 加硒钢
• selenium chloride 氯化硒;二氯化二硒;氯化;一氯化硒

• selenium更多词组

英英字典

剑桥英英字典

• a chemical element used in photocells and photographic devices and also necessary in small amounts in the body

柯林斯英英字典

• a nonmetallic element that exists in several allotropic forms. It occurs free in volcanic areas and in sulphide ores, esp pyrite. The common form is a grey crystalline solid that is photoconductive, photovoltaic, and semiconducting: used in photocells, solar cells, and in xerography. Symbol: Se atomic no: 34 atomic wt: 78.96 valency: 2, 4, or 6 relative density: 4.79 (grey) melting pt: 221C (grey) boiling pt: 685C (grey)

• selenium剑桥字典
• selenium柯林斯字典

专业释义

农业科学

• 硒

  It was advocated to explore and utilize organic selenium in feedstuff.
  因此,应提倡并开发利用有机硒源硒。

  医药科学

• 硒

  Therefore, this method is suitable for determination of the selenium in the milk.
  结果表明,该消解法适用于牛奶中硒含量的测定。

  生物学

• 硒

地球科学

• 自然硒
• 硒

计算机科学技术

• 硒

化学

• 硒