搜索筛选:
搜索耗时4.8013秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
发布年度:
[期刊论文] 作者：Bi-xin CHEN,Si WANG,Wei-dong YANG,Ren-chang YAN,Xuan CHEN,Qing-yu ZHANG,,
来源：Journal of Zhejiang University-Science A(Applied Physics & E 年份：2017
目的:工业排放是大气中PM2.5的重要来源,是灰霾形成的主要贡献者之一。通过分析包头市一次典型灰霾时段的污染来源及特征,研究本地工业布局在此次灰霾时段对灰霾形成的影响,...
[期刊论文] 作者：JIN Ren-chang,YAN Dong-liang,LI Guo-fang,MA Yu-quan,WANG Jian-feng,LIU Shi-guang,
来源：煤炭学报（英文版） 年份：2004
The software system, hardware system and performance principle of the gas detector were briefly described. A new method was developed for orientating and calibrating the instrument. The method shows excellence in automation and intelligence......
相关搜索：
