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- Study on Air Negative Ions Produced by Fountain and Its Effecting Factors. 喷泉产生的空气负离子及其影响因素的研究。
- air negative ion concentration (ANIC) 空气负离子
- air negative ion generator for health protection 空气负离子保健器
- The content research of air negative ion in different vegetational types 不同植物群落空气负离子水平研究
- Let's purify air with a negative ion generator. 我们用负离子发生器净化一下空气吧。
- 3) In the city ecology environment, the influence of various arbors from different stand structure on air negative ions and C(subscript I) is insignificant; 3)在城市环境下，不同林分结构类型的乔木片林对空气负离子水平以及空气质量评价指数的影响差异不显著；
- Keywords Healthcare Elementary materials Air negative ion Tourmaline Rare earth; 保健;基元材料;空气负离子;电气石;稀土;
- Keywords Guangzhou;greenbelt;air negative ion concentration（ANIC）;affecting factor; 广州;绿地;空气负离子;影响因子;
- Why do we need super negative ions? 为何人体需要超负电离子?
- air negative ions 空气负离子
- The positive and negative ions become separated or dissociated. 正负离子彼此分开或解离。
- Positive ions drift downward, negative ions drift upward. 正离子向下漂移，负离子向上漂移。
- air negative ion fiber 负离子纤维
- Applying equally to both positive and negative ions. 双极性的等同地适用于正负离子的
- air negative ion generator 空气负离子发生器
- Air negative ion 空气负离子
- A chemical compound containing aluminum as part of a negative ion. 铝酸盐一种化合物，铝作为负离子部分包含于其中
- The principles and the decontamination results of purifying air by material with negative ions is studied. 将对负离子材料净化空气的原理及净化效果进行探讨和研究。
- Unique semiconductor features, generates negative ions to prevent aging as well as purifying water and air quality. 独特的半导体功能，产生负离子可防止老化以及净化水质和空气。
- In some way, positive and negative ions are developed in a thunderstorm. 在雷雨中，正离子和负离子以某种方式形成。
