二价是一个汉语词语,拼音是èr jià,意思是不同的价格。
...惟有在有维生素(Vitamin)C和酸味精神(富含苹果酸(Malic acid)、酒石酸、柠檬酸等多种有机酸)生活的情形下,转动成二价(Bivalent)铁才具被人体填塞地罗致和诈骗。
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二价的 bivalent ; dyadic ; [化学] divalent
不二价 [物价] one price ; fixed price ; uniform prices
二价元素 divalent element ; [化学] dyad
二价铁 Iron Divalent
二价酸酯 DBE ; Dibasic Esters ; Aliphatic dibasic esters ; Aliphatic dibasic esters-DBE
二价体 bivalent
二价酸 [化学] dihydric acid ; diacid ; acide dihydrique
双二价体 [遗] amphibivalent
二价染色体 [遗] bivalent chromosome ; [遗] bivalent ; chromosome bivalent
对不起,不二价。
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, 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.
与古巴的芬莱研究所合作,Bio - Manguinhos正在与世卫组织合作,确保在下一个流行季节之前供应多达1000万剂二价AC群脑膜炎疫苗。
In partnership with the Finlay Institute in Cuba, Bio-Manguinhos is working with WHO to ensure a supply of up to 10 million doses of bivalent ac meningitis vaccine by the next epidemic season.
I can then subsequently lose an electron from the lithium ion. Lithium ion loses an electron to become lithium 2plus.
然后我能在锂离子中,失去一个电子,锂离子失去一个电子,变为二价锂离子。
And, likewise, if we look at fluorine in its diatomic molecule, it is 160 kilojoules per mole.
一样的,如果我们观察二价的氟,它是每摩尔160焦。
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。
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