Negative air ion

The effects of atmosphere pollution on concentration of negative air ion

环境污染对空气负离子浓度影响的实验观察

Assessment of air cleanness degree in Beijing using negative air ion concentration as an index

用空气负离子浓度对北京地区空气清洁度进行初步评价

Fixing and Negative Air Ion Effect on Silk by Sol-Gel Process

溶胶凝胶法对真丝绸的固色及负离子效应

Comparation of Negative Air Ion Concentration and Daily Variation of 2 Kind of Plant Communities

2种植物群落空气负离子浓度及日变化的比较

Multiplier effect of pulsed electric field-mediated plant negative air ion launched and its significance

脉冲电场介导的植物空气负离子发射的倍增效应及其意义

Indoor negative air ion concentrations were lower than outdoor ones but potted green plants could improve it .

室内空气负离子浓度低于室外，但绿色植物可使室内空气负离子浓度增加；

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；

Average annual negative air ion concentration is 2549 / cm3 , about 6 times of which in Beijing downtown area .

年均负氧离子浓度2549个／cm3，约为市区年均负离子浓度的6倍。

The negative air ion concentrations obviously increased in the areas where moving water , such as waterfall and rivulet , exist .

有瀑布和溪流等动态水的地方空气负离子浓度明显增加；

The coating shows the properties of good decorative effect , purifying air , adjusting humidity inducing negative air ion and without the release of contamination .

不仅具有环保性能、良好的装饰效果，而且具有净化空气、抗菌、调湿、诱生空气负离子等健康功能特性。

Objective The paper put forward a measuring method for biological effect experiment of negative air ion , which improved the accuracy in estimating the biological effect of negative air ions .

目的提出一种专门用于空气负离子生物效应实验的测量方法，使评价空气负离子生物效应时受试者所接受的剂量浓度和总剂量等数据更接近准确。

Negative air ion which is known as the " air vitamins and auxin " can kill bacteria , clean up dust and clean air .

空气负离子具有杀菌、降尘、清洁空气的功效，被誉为空气维生素和生长素。

Conclusion The negative air ion can induce hepatoma SMMC-7721 cell apoptosis through arresting the cell cycle , such effect was mediated by P38MAPK pathway .

结论空气负离子通过细胞周期阻滞而使肿瘤细胞发生凋亡，这种效应是通过P38MAPK这条信号通路传导的。

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；

Scientists are very interested in negative air ion because it can promote the growth of animals and plants , optimize micro-cycle of organism , kill bacteria and purify air .

空气负离子能有效促进动植物的生长，优化机体微循环，抑制细菌生长，净化、清新空气，因此引起国内外专家的研究兴趣。

Based on three years of observation on the spatio-temporal changes of negative air ion concentrations in Beijing , air quality was assessed using ion polarity ratio and air ion assessment index ( CI ) .

根据北京地区3年的空气负离子浓度时空变化的实测资料，利用空气离子单极系数及安倍空气离子评价指数对北京地区空气质量进行了初步评价。

In this paper , the ecological services function of releasing negative air ion , absorbing heavy metals and biological control of the mangrove community of Qi ' ao island in Zhuhai as the research subject .

本文以珠海淇澳岛红树林群落为研究对象，研究其在释放空气负离子、吸收重金属和生物控制三方面的生态服务功能。

The relationship between human health and several factors including negative air ion , particulate matter , noise and microbial pathogen , are summarized , and meanwhile the influence of green space on these factors are also analyzed in this paper .

文中综合分析了空气负离子、颗粒物、噪声和空气微生物与人体健康的关系，以及城市绿地对这些健康因子的影响。

In October , plants stop growing or slow growth , photosynthesis and negative air ion are decreases in green space , and the diurnalvariation had small fluctuation . The dust concentration is rise . 6 .

10月份植物生长缓慢或停止生长，光合作用降低，绿地中负离子浓度降低，且日变化波动较小，粉尘质量浓度升高，对环境的影响程度降低。