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.
一种情况是正负离子平衡问题，或比率问题。
One thing is the balance or ratio between positive and negative ions.
他们被浸没在正负离子溶于溶剂的电解液中。
And they're immersed in an electrolyte made of positive and negative ions dissolved in a solvent.
正离子向下漂移，负离子向上漂移。
这些所谓负离子发生器有什么用呢?。
我们用负离子发生器净化一下空气吧。
原子获得了电子导致了负离子的形成。
The gain of electrons by an atom leads to the formation of a negative ion.
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.
负离子纤维作为一种新型的功能性纤维。
并测试了竹炭的红外线性能与负离子性能。
Infrared ray and negative ion of bamboo charcoal were tested.
本文介绍了一种新型的空气负离子发生器。
在溶液中，这种清洁剂会释放出能够分割脂肪的负离子。
In solution, this detergent creates negative ions, which cut grease.
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.
负离子方式时可以给出染料结构中含的卤元素。
By negtiveion ion mode, we can identified halogen contained in structure of dye.
本文介绍一种新型液体电极式空气负离子发生器。
This paper introduces a new air negative ions producer with liquid electrodes.
空气在这段时间当中富含有益的负离子，因此非常新鲜。
At this time, the air is very fresh with lots of beneficial negative ions.
晚上还可入住古朴的乡间小筑，全身享受负离子的沐浴。
Can stay at the ancient countryside Villas, general enjoyment of the anion bath.
通过对正负离子质谱的分析，可以确定岩样的化学组成。
With analysis of the spectra, the compositions of the samples can be determined.
介绍了负离子的产生机理以及在纺织品方面的开发与应用。
This paper introduces the mechanism of anion production, and its development and application in textiles.
负离子发生器的两个主要性能参数是负离子浓度和臭氧浓度。
Two major performance parameters of negative ion generator are negative ion concentration and ozone concentration.
而在室内养植仙人掌，却可使室内空气中负离子增加，有益健康。
And raise establish cacti indoors, can make the anion in indoor air increases however, healthful.
而且涂刷负离子涂料房间的负离子浓度高于涂刷普通涂料的房间。
The concentration in the room painted this kind of paint is higher than the room painted normal paints.
用于杀菌灭毒，与第四步打火操作步骤同，两针将产生臭氧和负离子。
When it is used for sterilization, it takes same operation step as the fourth step; two needles will produce ozone and negative ions.
研究了晶体中负离子配位多面体的结晶方位与晶体结晶形貌之间的关系。
The relations between the morphology and the orientations of the anion coordination polyhedra in the crystals are studied.
研究了晶体中负离子配位多面体的结晶方位与晶体结晶形貌之间的关系。
The relations between the morphology and the orientations of the anion coordination polyhedra in the crystals are studied.
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