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The evoluation on natural course of myopization in 5757 schoolchildren and its clinical significance
[会议论文] 作者：Shi Yi ning,Chen Yan ming,
来源：第七届中国医师协会眼科医师大会暨湖北省2013年眼科学术年会 年份：2013
Purpose: To observe the course of myopization during 12 years schooldays.Methods: We examined 5757 students in 4 primary schools and middle schools.The collected data included object ophthalmic examin...
Influence of Aspect Ratio of Hooked End Steel Fiber on Flexural Behavior of Fiber Reinforced Concret
[会议论文] 作者：Kun Ni,Yun Xing Shi,Yi Ning Ding,Yan Gang Zhang,Jing Bin Shi,Wei Liu,
来源：The 10th International Symposium on High Performance Concret 年份：2014
The aim of present work is to further investigate the flexural behavior of FRC with four types of hooked end steel fibers.The flexural toughness of FRC beams was tested under a three point bending sys...
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