1.
Studies on Negative Ion of Air and Materials and Its Application;
空气负离子及负离子材料的评价与应用研究
2.
Study on the Temporal-spatial Pattern of Aero-anion in Urban Green Space;
城市绿地空气负离子分布规律的研究
3.
Spatiotemporal Characteristics of Negative Air Ions Distribution in Guangzhou in the Second Half Year
广州下半年空气负离子分布的时空特征
4.
This paper introduces a new air negative ion producer,wbichcan producehigh concentration of air negative ions, virtually no ozone, Ozone can be con-trolled effectually.
本文介绍一种输出负离子浓度高，几乎无臭氧的空气负离子发生器。
5.
THE DEVELOPMENT OF HIGH CONCENTRATION AIR NEGATIVE ION PRODUCER WITHOUT OZONE
无臭氧高浓度空气负离子发生器的研制
6.
Study on the Distribution Laws of Negative Air Lons and Its Exploration and Use in Mountain Yuelu;
岳麓山空气负离子分布规律及开发利用研究
7.
The Anion Resources Research in Tourism Area of Anhui Province;
安徽省主要森林旅游区空气负离子资源研究
8.
Developing Aeroanion Resource in Forest Park of Qingling North Mountain;
秦岭北坡森林公园空气负离子资源的开发利用
9.
Research on Evaluation Standard of the Aeroanion in Forestry Scenic Spots;
森林旅游地空气负离子评价标准的研究
10.
Study on Aero-anion Concentration around Different Forest in Thousand-isles Lake Reservoir
千岛湖库区不同森林植被空气负离子状况
11.
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
12.
Study on the Aero-anion Concentration in Different Forests of Emeishan City
峨眉山市不同林种的空气负离子水平研究
13.
Effects of urban greenbelt structure on air negative ions concentration
城市不同绿地结构对空气负离子水平的影响
14.
Comparative Study of Negative Air Ions of the West Lake Forest and Urban District in Hangzhou
杭州西湖山林与市区空气负离子浓度比较研究
15.
Research Progress on Aero-anion′s Monitoring and Evaluation at Home and Abroad
空气负离子监测与评价的国内外研究进展
16.
On the Variation of Negative Air Ions in the Donghu Campus of Zhejiang Forestry University
浙江林学院东湖校区空气负离子浓度变化特征
17.
Study on Negative Air Iions Concentration And Air Quality of Plant Communities in the West Lake Senic Area
西湖景区植物群落空气负离子浓度及空气质量变化
18.
Air negative ion concentration and its relationships with meteorological factors in greenbelts of Jiamusi,Heilongjiang Province
佳木斯绿地空气负离子浓度及其与气象因子的关系