它是个裸电子，是钠正离子。
可以使用氢化物离子亲和力评估碳正离子和碳负离子的稳定性。
Carbocation and carbanion stabilities can be assessed using hydride ion affinities.
灾难表示衰退，所以那就是正离子。
这边是裸电子的，是钠正离子。
镁二正离子，同样也与氖等电子。
正离子向下漂移，负离子向上漂移。
这来源于在电池中，正离子是被减少的。
It comes from the fact that in an electrochemical cell, the cations are those that are reduced.
固定在固体中的正离子和负离子不导电。
Positive and negative ions fixed in a solid do not conduct a current.
溶液中的正离子和负离子可以移动并且导电。
Positive and negative ions in a solution can move and conduct a current .
空气中正离子约占56%，负离子约占44%。
That means that about 56% of the ions in the air are positive, and that about 44% are negative ions.
一种让正离子通过。
空气中高比率的正离子更容易引发交通事故和犯罪行为。
When there is a high percentage of positive ions in the air, accidents and crimes are more likely to happen.
正离子通过一层抗拒电子的薄膜或电解质进入第二电极。
The positive ions are drawn to a second electrode, via a membrane or electrolyte that will not allow electrons to pass through.
如果移去一个或多个电子，剩下来带正电荷的结构就称为正离子。
If one or more electrons are removed the remaining positively charged structure is called a positive ion.
如果移去一个或多个电子，剩下来带正电荷的结构就称为正离子。
If one or more electrons are removed, the remaining positively charged structure is called a positive ion.
从理论上研究了辉光放电时的离化率、正离子浓度、工件的加热问题。
This paper deals with the problems of ionization proportion, ion density and heating work piece on glow discharge.
另一种是通过碳正离子中间体进行的，它所得到的产物无立体选择性。
The other is conducted amidst carbonium ion intermediate and the product thus brought about has no stereoselectivity.
然后我们要看一下，当氯离子从无限远处逐渐靠近，这个正离子会发生什么。
And, we're going to look at what happens as the chloride ion moves from infinity in towards the positive ion.
实验测得的后退速度的温度关系可用真空电弧后退运动的正离子喷流模型加以解释。
The experimentally measured temperature dependence of retrograde velocity of vacuum arcs can be explained by the ion jet model for retrograde motion of vacuum arcs.
通过参考和分析等离子通道中电子和正离子的运动，并对上述现象给出了探讨性的解释。
This phenomenon above may be explained through analyzing the movement of electron and positive ion in plasma canal.
一种是通过生成环状正离子中间体进行的，通过这样的历程进行的加成反应是反式加成。
One is conducted amidst formed cyclic cation intermediate and the reaction thus carried out is known as anti- form addition.
另外，正离子浓度和单极系数与海拔高度和宇宙射线呈正相关、负离子浓度与此无相关。
Besides the ion concentration was in Correlation with the height above sea level and cosmic rays, while negative ion was not.
发现热处理、钠离子中毒以及吡啶吸附等不同预处理方法均对正离子基生成有显著的影响。
Such pretreatments as calcination, sodium poisoning, and pyridine adsorption all have significant influences on the formation of radical-ions.
发现热处理、钠离子中毒以及吡啶吸附等不同预处理方法均对正离子基生成有显著的影响。
Such pretreatments as calcination, sodium poisoning, and pyridine adsorption all have significant influences on the formation of radical-ions.
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