负离子

In the wash solution, these positively charged cationics adsorb to the negatively charged surface of fabrics.

在溶液，这些正电阳子吸附在表面子织物上，起到润滑作用。

In this paper the relationship between the crystal forms and the growth mechanism of quartz and tinstone under the hydrothermal solution conditions has been studied.

本文研究了热液条件下，水晶和锡石结晶形态和生长机制关系，提出了水晶和锡石生长基元为配位子多面体结构。

Through monitoring at Wuying National Forest Park in Yichun,the authors find that the result of Lenard effect is the most notable in all generable mechanisms of NAI.

通过对伊五营国家森林公园子浓度监测发现,在空子产生各项机理,勒纳尔效应效果是最显著。

The characteristic of this air conditioning is to carry water of eject mist shape, absorb pelagian the bacterium in air, dirt and insalubrious gas, produce an anion.

该空调装置特点是通过喷射雾状水,吸取浮游在空细菌、灰尘及对身体有害体,并产生出子。

And it mainly includes the action of 1,3-diethylene alkylation and acidyl; the action of addition of carbonyl compound; the action of chlorortrimethys:lane and the reaction of diethy lene.

对含硫碳子─—1，3-二噻烷合成方法及其在有机合成上应用进行比较系统介绍，主要介绍1，3-二噻烷烃基化和酰基化反应，与羰基化合物加成反应，与氯化三甲硅反应及1，3-二噻烷还原反应。