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A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge a
[期刊论文] 作者：Tieli Zhang,Baigang Zhang,Haif,
来源：黑龙江科技学院学报 年份：2006
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：Liu Yi＇an Huang Zhiyao Ji Haif,
来源：仪器仪表学报 年份：2007
Terahertz(THz) technique is a new measurement technique that has emerged in recent years.For the measurement of solid concentration,a radiation attenuation meth...
Monitoring and Evaluation of Environmental Quality of the Waters near the Feiyun River Estuary in We
[期刊论文] 作者：Yao Dongping,Lin Bo,Zhang Haif,
来源：气象与环境研究:英文版 年份：2019
Based on the monitoring results of environmental quality of the waters near the Feiyun River estuary during 2011-2016, the current situation of environmental qu...
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