1)  Beijing Olympic Forestry Park
北京奥林匹克森林公园
1.
This paper s highlights were given to measuring devices, research method,and evaluation criteria,daily and seasonal change of negative air ion concentration,and effects of forest stand,weather condition and water body on Beijing Olympic Forestry Park negative air ion.
本文着重研究了北京奥林匹克森林公园范围内的空气负离子浓度,得出了负离子浓度的日变化、年变化及季节变化规律,分析了林分因子、气象因子、水体等对公园内空气负离子含量的影响。
2)  Beijing
北京
1.
The Characteristic of Atmospheric Particle Size Distribution and Their Light Extinction Effect in Beijing during Winter and Spring Time;
北京市冬春季大气颗粒物的粒径分布及消光作用
2.
Evaluation of Noise in a Residential High Building along the 4th Ring Road of Beijing;
北京市四环路临街某高层住宅环境噪声评价
3.
Study on PAHs concentrations in urban road runoff in Beijing;
北京城市道路地表径流中PAHs的污染特征研究
3)  Beijing city
北京
1.
Water resources deployment model for Beijing City;
北京市水资源配置模拟模型研究
2.
A Study on Storm and Rianfall Pattern in Beijing City;
北京城市暴雨和雨型的研究
3.
Discussion on Sewage Irrigation Development Process in the Suburbs of Beijing City;
北京市城近郊区污水灌溉农田发展过程探讨
4)  Peking
北京
1.
The Introduction of the thought of "Municipal Building" from the Modern West and the Disussions about the Development Direction of Peking;
近代西方“市政建设”思想的引入和对北京发展方向的讨论
2.
The Research of Peking Electronic Governmental Administration Framework;
北京市电子政务的总体框架研究
3.
Peking, as one of the ancient capitals, the change of trappings in it during 1920s and 1930s can embody more about the sudden change of productive condition, social prevailing fashion and social psychology during special historical phase.
服饰变化能折射出一个时代的氛围、人们的精神风貌,反映特殊时期社会环境的剧变,北京作为历史古都之一,其在20世纪二三十年代服饰的变化更能体现特殊历史时期生产条件、社会风尚、社会心态的急剧转变。
5)  Beijing
北京市
1.
Effect of road dust on air quality in Beijing;
北京市交通扬尘对大气环境质量的影响
2.
Physico-chemical characteristics of ambient particles settling upon leaf surface of six conifers in Beijing;
北京市六种针叶树叶面附着颗粒物的理化特征
3.
Particle size characteristics and possible sources of street dust in Beijing;
北京市街道灰尘粒度特征及其来源探析
6)  Liuhai-lake in Beijing city
北京六海
1.
Liuhai-lake in Beijing city is used an example.
以北京六海为例,模型结果表明来水水量Q,温度T和总磷浓度是影响“六海”湖泊水华爆发的主要影响因子,选择叶绿素a(Chl-a)<30 ug/L的预警信号为绿色,30 ug/L60 ug/L为红色。
参考词条
补充资料:北京的世界公园


北京的世界公园


  北京的世界公园 罗锡鹏摄
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。