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[期刊论文] 作者:Yifeng Shen,Jian Sun,Xiaopeng,
来源:黑龙江科技学院学报 年份:2008
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...
New type of Y-branch power splitter and beam expander based on eliminating anomalous reflection effe
[期刊论文] 作者:Jian Sun,Yifeng Shen,Juan Wang,
来源:黑龙江科技学院学报 年份:2009
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...
,How psychiatrists coordinate treatment for COVID-19: a retrospective study and experience from Chin
[期刊论文] 作者:Ling Yue,Jingyi Wang,Mingliang Ju,Yi Zhu,Lianghu Chen,Lin Shi,Bohai Shi,Jun Chen,Yifeng Shen,
来源:综合精神医学 年份:2020
Background Patients with COVID-19 are at high risk of developing mental health problems;however,the prevalence and management of mental disorders and how psychi...
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