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[期刊论文] 作者:QI CHEN,WAN-NIAN LIANG,GAI-FEN,
来源:生物医学与环境科学:英文版 年份:2005
Objective To describe the case fatality rate of SARS in Beijing. Methods Data of SARS cases notified from Beijing Center for Disease Control and Prevention (BCD...
Driver Sleepiness and Risk of Car Crashes in Shenyang, a Chinese Northeastern City: Population-based
[期刊论文] 作者:GAI-FEN LIU,SONG HAN,DUO-HONG,
来源:生物医学与环境科学 年份:2004
To estimate the association of driver sleepiness with the risk of car crashes.Methods A population-based case-control study was conducted in Shenyang, a northea...
[期刊论文] 作者:QI CHEN,WAN-NIAN LIANG,GAI-FEN,
来源:黑龙江科技学院学报 年份:2005
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:GAI-FEN LIU,ZHENG-LAI WU,HU-SH,
来源:黑龙江科技学院学报 年份:2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Driver Sleepiness and Risk of Car Crashes in Shenyang, a Chinese Northeastern City: Population-based
[期刊论文] 作者:GAI-FEN LIU,SONG HAN,DUO-HONG,
来源:黑龙江科技学院学报 年份:2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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