三维结构配位聚合物的自聚焦或自散焦效应主要受中心金属离子价层电子构型的影响。
Three dimensional coordination polymers show self defocusing or self focusing effects depending on the valence shell structures of the central ions.
采用比表面、孔结构、XRD和XPS等测试技术研究了催化剂的宏观结构、晶相组成、表面铁、钼离子价态和浓度。
The macrostructure, the composition of the crystal phase, the surface ion valency and concentration of the catalysts were investigated by BET, XRD and XPS techniques.
该法根据八大离子的离子价摩尔浓度占总离子价摩尔浓度百分比的不同，分析百分比在时间或空间尺度上的差异来评价海水入侵，划分入侵程度。
By this method, the seawater intrusion degree can be classified according to the different ionic valence molar concentration percentage of eight ions in the total ionic valence molar concentration.
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?
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.
那么我们称它为第三电离能，或者负的束缚能，还是，2，s，轨道的，但现在我们是从正二价硼离子开始的。
So, what we call this is the third ionization energy, or the negative of the binding energy, again of the 2 s orbital, but now it's in boron plus 2 to we're starting with.
因为铝离子为正三价,氧为负二价。
Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
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.
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.
三氯化铁溶液不断地冲刷不锈钢板的表面，溶液中的三价铁离子快速氧化不锈钢板，不锈钢板就被蚀刻下去了。
Ferric chloride solution constantly scouring the surface of stainless steel plate, the solution of ferric ion rapidly oxidized stainless steel plate, stainless steel plate was etched on the go.
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.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
在第二个反应器中，用三价铁离子溶液浸出矿石。
选择硫酸盐-柠檬酸盐体系锌锰合金镀液，研究了阳极、二价锰离子以及连续作用等因素对镀液稳定性的影响。
Herein, zinc-manganese alloy bath containing sulfate and citrate ions was selected, and the effect of anodes, manganous ions and continuous operation on bath stability was studied.
实验结果表明：随着外部盐溶液浓度的增大及盐离子的价态的升高，复合材料的吸液率下降；
The water absorbency was descended with the ascending of the concentration of the external ion solution and the valence of the ion.
本文利用R -矩阵方法对部分原子和离子的价壳层、内壳层光电离过程进行了较详细的研究。
The photoionization of atoms and ions are studied theoretically by using the R-matrix method in this thesis.
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.
并讨论了二价碘酸盐水化物的稳定性与阳离子电负性的关系。
The stability of hydrated divalent iodates is expected to be related to the electronegativity of the corresponding cations.
通过实验利用二价铁离子对天然有色蛋白质纤维进行预处理，可以有效的降低损伤，提高白度。
The experiment makes crude protein fiber a pretreatment with ferrous ion. It can increase whiteness and reduce the damage effectively as well.
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.
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.
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.
从磺基水杨酸与三价铁离子配合物的组成及稳定常数测定实验入手，探讨了化学实验中的教学技巧问题。
By determining the composition and stable constants of sulphuric iron salicylate, this article probes into the teaching skills in chemistry experiments.
在水处理中三价阳离子通常来源于明矾（硫酸铝） 。
The usual source of trivalent cations in water treatment is alum (aluminum sulfate).
引起极限扩散电流密度明显增加的临界磁场强度随三价铁离子浓度增加而减小。
The minimum magnetic field intensity needed to induce significant effect on cathodic limiting diffusion current density decreased with increasing ferric ion concentration.
引起极限扩散电流密度明显增加的临界磁场强度随三价铁离子浓度增加而减小。
The minimum magnetic field intensity needed to induce significant effect on cathodic limiting diffusion current density decreased with increasing ferric ion concentration.
应用推荐