分别研究了风管积尘和盘管积尘对室内可吸入颗粒物浓度、微生物浓度以及通风系统性能的影响。
Studies respectively the impact of contaminants in ducts and coils on the indoor inhalable particle concentration, microorganism concentration and performance of ventilation systems.
根据中国和美国官方公布的数字，2004年，北京大气中的可吸入颗粒物浓度是纽约的6倍多，二氧化硫浓度是纽约的两倍多。
In 2004, levels of airborne particulate in Beijing were more than six times as high as in New York, and sulfur-dioxide levels were more than double, according to Chinese and U.S. government figures.
研究发现，蒙古首都乌兰巴托年均可吸入颗粒物浓度为每立方米279微克，其后是又一个伊朗西部城市，萨南达杰，浓度为每立方米254微克。
The study found that the Mongolian capital Ulan Bator had an annual average PM10s density of 279 micrograms per cubic meter, followed by another west Iranian city, Sanandaj, with 254 micrograms.
它们为下述选定的空气污染物的浓度限值提出了修订：可吸入颗粒物(PM)、臭氧(o3)、二氧化氮(NO2)和二氧化硫(SO2)，适用于世卫组织所有区域。
They recommend revised limits for the concentration of selected air pollutants: particulate matter (PM), ozone (O3), nitrogen dioxide (NO2) and sulfur dioxide (SO2), applicable across all WHO regions.
我国大气中的粒子浓度普遍较高，特别是可吸入颗粒物PM10。
The particle concentration is always higher in China, especially the concentration of particle matter 10(PM10).
本文就洛阳市春节期间燃放烟花爆竹的情况进行了空气质量监测，对可吸入颗粒物、二氧化硫、二氧化氮的浓度进行了相关分析。
We monitored air quality of Luoyang city During Spring Festival when fireworks were fired, and analysed concentration of PM10, SO2 and NO2.
挡尘墙外侧的总悬浮颗粒物浓度降低了77%，可吸入颗粒物降低了55%；微生物总数与大肠杆菌浓度降幅大于85%；
The field experiment results show that TSP concentration reduced by 77%, PM10 reduced by 55%, total microbes and colibacillus concentration reduced by more than 85%.
挡尘墙外侧的总悬浮颗粒物浓度降低了77%，可吸入颗粒物降低了55%；微生物总数与大肠杆菌浓度降幅大于85%；
The field experiment results show that TSP concentration reduced by 77%, PM10 reduced by 55%, total microbes and colibacillus concentration reduced by more than 85%.
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