| 1. | The influence of urban green land on air negative ions
城市绿地对空气负离子的影响 |
| 2. | The probe into negative air ions variation in yuelu mountain and around
岳麓山及其周围地区空气负离子变化初探 |
| 3. | Distribution of negative air ions and its relation to air quality of the yuelu mountain
岳麓山空气负离子及空气质量变化研究 |
| 4. | Some advices of research direction about aero - anion in forest environment was put forward
并在此基础上，对空气负离子在森林环境中的研究方向提出了一些建议。 |
| 5. | Air negative ion tour resource in mount huangshan is also a promising tour resource of prospect
空气负离子旅游资源也是黄山风景区一项具有发展前景的新兴旅游资源。 |
| 6. | It was showed that the more content and the finer granularity of rare - earth , the more number of negative irons
结果表明：稀土加入量越大，产生的空气负离子数目越多；稀土越细，产生的负离子数越多。 |
| 7. | This paper has studied the tour resource of negative air ion . in mount huangshan - it ' s causes , the space - time change , development and use
本文研究了安徽黄山的旅游资源? ?空气负离子的时空变化、成因及开发利用。 |
| 8. | The effect on the number of negative iorns was studied by adding varied content of rare - earth with the same granularity and the varied granularity with the same content of rare - earth
研究了在相同细度下，不同稀土加入量及相同加入量下稀土细度的不同对空气负离子数目的影响。 |
| 9. | They are the best district of natural aii anion bar district . in addition , the belonglan and renzipu natural air anion bar " s air negative ion density is also higher , the quality is also fine
慈光阁以上，包括光明顶、玉屏峰、莲花峰、天海及从西海水库向西北延伸至群峰顶这一片以西，空气负离子浓度低，不属于天然氧吧区。 |
| 10. | A building coating was made from latex , the powder and other stuffings . the coating could effectively induce negative air ion through the water molecular colliding the tourmaline particle surface in the coating
利用电气石电极特性，电解水分子，以稀土氧化物为电气石粉体的分散剂开发了高效产生空气负离子材料及空气负离子内墙涂料。 |
