描述: 中文名称:硒粉英文名称:Selenium 分子式(Formula): Se 分子量(Molecular Weight): 78.96 CAS No.: 7782-49-2 外观(Appearance):
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产品说明中文名称:二氧化硒,亚硒酐,无水亚硒酸英文名:Selenium(Ⅳ)oxide,Seleniumdioxide,Seleniousanhydrous,Seleniousacidanhydride包装:内包装用薄膜塑料袋,外
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selenium dioxide [无化] 二氧化硒 ; 亚硒酐 ; 二氧化 ; 氧化硒
Selenium hexafluoride 六氟化硒 ; 六氟化
selenium trioxide 三氧化硒
Selenium Sulfide 二硫化硒 ; 硫化硒 ; 希尔生 ; 二硫化硒洗剂
selenium cell [电] 硒光电池 ; 硒光电管 ; 硒电池
selenium powder 硒粉 ; 硒粉国产硒粉
Selenium oxide 二氧化硒 ; [无化] 氧化硒
selenium disulfide 二硫化硒化学品 ; 二硫化硒 ; 含二硫化硒 ; 硫化硒
Selenium yeast 硒酵母 ; 酵母硒 ; 富硒酵母
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。
参考来源 - 有机硒源在蛋鸡生产中的应用及其机理研究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。
参考来源 - 湿法消解·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: Se atomic number 34
以上来源于: WordNet
N 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: 221°C (grey); boiling pt: 685°C (grey) 硒
Indium, for example, had previously been assigned an atomic mass between those of arsenic and selenium.
例如,人们以前认为铟的原子质量介于砷和硒之间。
Packed with protein, zinc, magnesium, and selenium, pumpkinseeds help protect against depression and heart disease.
南瓜籽富含蛋白质,锌,镁和硒,有助于预防抑郁症和心脏病。
Taking selenium supplements may help.
吃硒补充剂可能有所帮助。
So, selenium 2 minus is what's going to be isoelectronic, because if you add two electrons to selenium, you'll get the same electron configuration that you have for krypton here.
负二价的硒离子将是等电子的,因为如果你给硒原子加上两个电子,你会得到,和氪原子相同的电子排布。
So, we need to fill our octet for selenium, so 1, 2, 3, 4.So, this is our Lewis structure here, hopefully you can see why it's not linear.
我们要填满硒原子的八配位,所以1,2,3,4。这就是Lewis结构,希望你们能看出来为什么它不是直线型的。
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