The results showed that negative air ion concentrations increased gradually and ion polarity ratio decreased gradually from city center to suburb.
结果表明：从福州市中心向郊区空气负离子浓度逐渐增大，单极系数逐渐减小；
Though the negative air ion concentration was sensitive to ambient environment, we found that rape and wheat crops can contribute to increase negative air ions in ambient air.
结果表明：油菜和小麦能增加周边环境中空气负离子浓度，且在幼苗期表现明显；
Lithium cobalt oxide accounts for 30% of the cost of a lithium-ion battery. Air, however, is free.
锂钴氧化物的成本占到锂离子电池的30%，而空气却是免费的。
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。
Apply ion chromatography method on determining ammonia of indoor ambient air, which has more convenient operation, higher sensitivity, higher accuracy and better repeatability.
采用离子色谱法测定室内环境空气中的氨，具有操作简单、灵敏度高、准确度高、重现性好等优点。
Methods The air samples collected with multi-hole absorbing tubes were determined by ion chromatography after sampling.
方法以装有酸性溶液的多孔玻板吸收管采样，用离子色谱法测定空气中的氨。
Method: ion chromatography was used to transform SO2 to H2SO4, the contents of SO2 in air can be calculated by the contents of SO42 -.
方法：利用氧化反应将SO 2转化为H2SO4，利用离子色谱测定so 42 -含量来计算出空气中SO2的含量。
Ammonia in th air was determined by ion chromatography after being absorbed with dilute sulfuric acid.
建立了以稀硫酸吸收、离子色谱法测定空气中氨的方法。
In the near future inside, ion of negative oxygen of air of travel scene area monitors systematic general automatically to Jiangxi area of all travel scene is outspread and patulous.
未来几年内，旅游景区空气负氧离子自动监测系统将向江西所有旅游景区延伸扩展。
The research work showed that drawbacks in ion trapping mechanism make this theory unsuited for explanation APGD in air.
研究表明离子捕获机理存在理论缺陷，不适合作为APGD的理论解释。
The operation of the engine at various values of mixture composition yields characteristic curves for the ion current and for the fluctuations in the ion current as a function of the air number.
在混合组成的产量为离子电流特性曲线，并在离子作为当前空气的函数值的波动的各种行动的引擎。
The paper provides the causes produced negative pressure air from water pump system, approaches its bad effect ion on the running state of water pump, puts forward the measures to eliminate them.
提出水泵系统负压空气产生的原因，并探讨其对水泵运行状态的不良影响，提出消除影响的措施。
Used diluted sulfuric acid as absorbent and ampere detector for determining Trace hydrazine in air with ion chromatography.
以稀硫酸为吸收液，铂工作电极为安培检测器，用离子色谱法测定空气中的微量肼。
Negative oxygen ion can sterilization, clean air, give a person with pure and fresh and comfortable environment, help reduce fatigue and pressure office worker.
负氧离子可以杀菌，清洁空气，给人以清新舒适环境，有助上班族减轻疲劳和压力。
According to the mensuration, air negative oxygen ion 14700 per cubic centimeter, chengdu, Beijing and 200-220 times.
经测定，空气中负氧离子每立方厘米14700个，是北京和成都的200- 220倍。
Meanwhile analysis was made on how primary air, concentration of pulverized coal, mill outlet temperature and pulverized coal fineness affected ion ignition.
为此分析了点火过程中一次风速、煤粉浓度、磨煤机出口温度和煤粉细度等对等离子点火的影响。
Ion chromatography as a new analytical method is capable using in environmental monitoring to determine pollutants in water, air, soil and biological samples.
离子色谱作为一种新的分析方法以其独特的优点可广泛应用于水、气、土壤、生物等环境监测领域。
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
文中通过实验测量和模拟计算，得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
The paper summarizes research history and forming process of air negative ion, and how to increase air negative ion to improve city environment.
综述了空气负离子的研究历史、产生过程以及增加空气负离子改善城市环境的措施。
Research shows that when the negative oxygen ion concentration in the air when it reaches a, will reduce the amount of particulates in the air above.
研究表明当空气中负氧离子的浓度达到万个时，空气中的飘尘量会减少以上。
The purifier not only provide higher concentration negative ion, but improve indoor air quality of dry cleaner places.
结论该净化器不仅给干洗场所增添高浓度负离子，同时对净化干洗场所室内空气质量有明显效果。
We also produce disposable Lithium cell, Li-ion battery, zinc-air battery, nickel-zinc battery (under development), battery power management circuit, battery charger, e-bike, power tool, etc.
此外，公司还生产有一次性锂电池、锂离子电池、锌空气电池、镍锌电池（开发）、电池电源管理器、充电器、电动自行车、电动工具等产品。
Negative ion is called "longevity element", which is a natural cleaner of the air and vitamin in the air.
负离子被称为“长寿素”，是空气中的自然清洁白器或空气中的维他命。
There's even an ion Boost feature that fills the air with negative ions to help lighten your mood and inspire mental clarity.
专业离子加速功能，让室内充满负离子空气，以帮助舒缓情绪，激发精神。
Based on correlative literature, this paper, in the room, outdoors, further discusses its connection between air negative ion and city environment.
在相关文献的基础上，由室内、室外二方面进一步探讨了空气负离子与城市环境的关系。
The invention relates to a negative ion indoor air purificant and a method for preparing the same.
本发明涉及一种负离子室内空气净化物及其制备方法。
The present invention relates to water negative ion powder for regulating the air humidity in vegetable planting greenhouse.
本发明涉及一种用于调节蔬菜大棚中的空气湿度的喷粉剂，即用于大棚蔬菜种植的水性负离子粉。
The present invention relates to water negative ion powder for regulating the air humidity in vegetable planting greenhouse.
本发明涉及一种用于调节蔬菜大棚中的空气湿度的喷粉剂，即用于大棚蔬菜种植的水性负离子粉。
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