二价硒的 selenous
硒的测定 Determination of selenium
富含硒的浓缩牛奶蛋白 Bio-Se MPC
食品中硒的测定 Determination of selenium in foods
饲料中硒的测定 Determination of selenium in feeds
砷和硒的测定 Determination of arsenic and selenium
硒的副作用发生最低量 LOAEL
煤中硒的测定方法 Determination of selenium in coal
土壤中全硒的测定 Determination of selenium in soils
硒的形态 forms of selenium
在缺乏硒的土壤中长的食物含硒量就会低,而每天一颗巴西坚果,为摄取硒提供了有益的保障。
Selenium can be low if the food is grown in selenium deficient soil, so a Brazil nut a day provides a useful insurance policy.
该法具有简便、灵敏、稳定、准确等优点,适于富硒乳酸菌中有机硒的分析测定。
With the advantages of high simplicity, sensitivity, stability and accuracy, the method was suitable for the determination of organic selenium in Se-enriched Lactobacillus.
目前为止,光电薄膜最有效的材质是铜铟硒化镓(CIGS)。
The most effective material for thin-film photovoltaics so far is copper indium gallium selenide (known as CIGS).
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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