本文根据熔盐的径向分布函数理论,对于含一价离子的二元熔盐溶液,提出了三度空间的熔盐溶液统计模型。
From the radial distribution function theory of molten salts, a three-dimensional statistical model was suggested for binary salt solutions, containing monovalent ions only.
那么,我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么,负一价的氟离子就是与它等电子的,我们还有氧-,氧应该是几价的?
So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be?
而对于氟来说,氟原子更小,与外部壳层在这的负一价氟离子相比。
Whereas for fluorine, fluorine is smaller than f minus is the one that's the outer shell shown here.
那么让我们来想一想,拿走一个,2,s,电子所消耗的能量,假设一个是从正一价硼离子中拿走1,另一个是从中性硼原子中拿走。
So let's think about the energy required now to remove a 2 s electron, let's say we're removing it from boron plus 1 versus neutral boron.
我们可以用,X,来表示一个任意的原子或离子,因此可以写成,X,加一个电子等于负一价的。
We can write out what it is for any certain atom or ion x, X so it's just x plus an electron gives us x minus.
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。
I can then subsequently lose an electron from the lithium ion. Lithium ion loses an electron to become lithium 2plus.
然后二价锂离子仍有一个电子。
其中有一个非常重要的地方需要注意,不是硼,而是正一价硼离子,因为我们已经拿走了一个电子了。
so it's important to note that it's not in b, now we're talking about b plus, because we've already taken an electron out here.
一个2价正离子,我们要移除的两个电子,我们要移除的两个电子,将会是,最高能量的电子。
So a plus two ion means that we're removing two electrons from the atom and the electrons that we're going to remove are always going to be the highest energy electrons.
阿玛托说,尽管诸如方铅矿一类的大部分含铅化合物都是不可容的,像羟氯铅矿这样的化合物还是“可以微溶于水,并产生Pb 2 +(二价铅离子)”。
Amatore says that although most lead compounds, like galena, are insoluble, compounds like laurionite 'can dissolve a little bit to produce Pb2 +.'
电价:在原子间形成离子键的过程中,由电子从一种元素的原子转移到另一种元素的原子所表示的价。
Electrovalence: valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms.
用离子交换方法制备了铜交换的分子筛,研究了将二价铜还原为一价铜的方法。
Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
我们可以想象比较一下钾离子,与钠离子,它们都同样带有正一价的电荷。
So we could think about comparing the potassium ion to a sodium ion. They have the same charge of plus one.
实现这一目的的一种方法是将三价阳离子加入水中。
One means of accomplishing this end is to add trivalent cations to the water.
氟离子与四价硒在不同浓度比例下混合作用,其拮抗作用程度不同,并呈一定规律性变化。
The combined action degree of fluoride and selenite varied with their different mixture ratios and changed in a regular way.
一般来说,干硬击实粉煤灰硬化体中六价铬离子的溶出量较泥浆硬化体的高。
In general, hardened fly ashes compacted at the optimum moisture content are with higher hexavalent chromium leachability than hardened fly ash slurry.
一种基与中心金属离子(如二价铁离子)结合,形成杂环。
The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.
这是一张对比图,展示某些离子与它们的母体,比如,这里是锂,大家可以看到正一价锂离子是多么的小,与中性锂原子相比。
And this is just a picture showing some of these sizes with their parent. So, for example, a lithium here, you can see how lithium plus is smaller than the actual lithium atom in its neutral state.
在配合物1中,结构中存在一价铜,并且这个一价铜嵌在所有的二价铜之间,这就阻碍了顺磁离子之间的磁耦合,所以这个配合物呈现出非常弱的反铁磁耦合。
In the structure of 1, CuI ion site between the two CuII ions, which blocks the magnetic coupling of the spin center, so the compound show very weak antiferromagnetic behaviors.
一(碱)价的在酸碱反应中只有一个氢离子转移到碱上的;
Having only one hydrogen ion to donate to a base in an acid-base reaction; monoprotic.
式(1)中,R1表示苄基或苯氧甲基。M表示一价的阳离子。
In the formula (1), R1 represents benzyl group or phenoxy methyl and m represents monovalent cation.
第一部分为二醋酸碘苯、二价铜离子及联咪唑促进下的1,3-二羰基化合物与亚砜的反应研究。
For the first part, we stressed reactions of sulphoxide with 1,3-dicarbonyl compounds promoted by Cu(OAc)2·H2O, 2,2′-biimidazole and iodobenzene diacetate.
研究表明:一价阴离子选择膜电渗析法从粗钨酸钠溶液中脱除游离碱是经济可行的。
It has been proved that it is economical and feasible to eliminate educt alkali from coarse sodium tungstate with electrodialysis method of negative ion (1) selective membrane.
研究表明:一价阴离子选择膜电渗析法从粗钨酸钠溶液中脱除游离碱是经济可行的。
It has been proved that it is economical and feasible to eliminate educt alkali from coarse sodium tungstate with electrodialysis method of negative ion (1) selective membrane.
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