粗大挺进尤物人妻中文字幕|一级国产视频|亚洲日韩国产精品无码专区|91精品久久久久久久久无码变态|亚洲AV成人片无码网站网|欧美变态味孕交

  

Bu Qingsong

 

 Bu Qingsong, associate researcher of Energy Saving & Environmental Protection & Occupational Safety and Health Research Institute of China Academy of Railway Sciences Corporation with a master’s degree, is mainly engaged in technical research, experimental consultation and administrative management in the fields of railway ecological environment protection, noise & vibration control, etc. Bu has led and participated in drafting of several national standards related to vibration and impact such as "analysis and research on the damping effect of typical ground barriers on railway track", "noise field distribution, source intensity characteristics and attenuation law of passenger dedicated lines", "implementation and evaluation method of railway environmental noise standards" and "post-evaluation research on ecological environment of Qinghai-Tibet Railway". Bu's research results have been applied in key projects such as Qinghai-Tibet Railway, Beijing-Shanghai High Speed Railway and Beijing Metro. He has provided valuable references and relevant suggestions for railway environmental vibration control, train noise source intensity and implementation standards, ecological environment protection for plateau railways, and pollution control of urban rail transit systems, as well as the basis for guiding environmental impact assessment of railway construction projects on noise and vibration source intensity and control measures. He also led or participated in national, provincial and ministerial and railway administration scientific research projects, and has won many third-class and second-class prizes.
附件:
回到頂部
   粗大挺进尤物人妻中文字幕|一级国产视频|亚洲日韩国产精品无码专区|91精品久久久久久久久无码变态|亚洲AV成人片无码网站网|欧美变态味孕交 宜昌市| 宜城市| 额敏县| 广河县| 盈江县| 孝感市| 冀州市| 富平县| 陆川县| 大洼县| 榕江县| 将乐县| 渭源县| 义乌市| 曲靖市| 常熟市| 梓潼县| 介休市| 阳信县| 丽江市| 陈巴尔虎旗| 渭源县| 邢台市| 赣榆县| 云梦县| 大竹县| 嵩明县| 夏河县| 台东县| 阿拉尔市| 花莲市| 张掖市| 岐山县| 黔西县| 镇远县| 确山县| 巢湖市| 苏尼特右旗| 怀宁县| 稷山县| 锦屏县| http://444 http://444 http://444 http://444 http://444 http://444