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[期刊论文] 作者:Li-Yun HE,Jun-Feng ZHAO,Jiang-, 来源:黑龙江科技学院学报 年份:2014
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:GUAN Jun-feng,ZHAO Shun-bo,HUA, 来源:哈尔滨工业大学学报(英文版) 年份:2010
In order to meet the requirement of structural inspection,the crack spacing and crack width at various heights in the tensile zone of six large depth reinforced...
[期刊论文] 作者:Li-Yun HE,Jun-Feng ZHAO,Jiang-, 来源:老年心脏病学杂志(英文版) 年份:2004
[期刊论文] 作者:Wei Liu,Wei-hao Zhai,Jun-feng Zhao,, 来源:China Foundry 年份:2016
Shrinkage porosity exists more or less in heavy castings, and it plays an important role in the fatigue behavior of cast materials. In this study, fatigue tests...
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