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[期刊论文] 作者：YANGJie, LI Haitao, RUI Chengj,
来源：Transactions of Nanjing University of Aeronautics and Astron 年份：
To improve the cutting performance of an hourglass worm gear hob and the accuracy of the resulting worm gear, the rake angles of the teeth on the pitch...
[期刊论文] 作者：Yanpei Zhuang,Hongliang Li,Haiyan Jin,Shengquan Gao,Jianfang Chen,Yangjie Li,Youcheng Bai,Zhongqiang,
来源：海洋学报（英文版） 年份：2020
During the 3rd Chinese National Arctic Research Expedition cruise in the summer of 2008, nutrients ( NO3?,NO2?,SiO32?,and PO43?) and dissolved oxygen were measu...
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