1、

Improvement of measuring method of contact point groove diameter for double-direction thrust angular contact ball bearing

双向推力角接触球轴承接触点沟径尺寸测量方法的改进

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2、

For level VII ( nodes located in tracheoesophageal groove), minimal diameter ≥ 5 mm was used as diagnostic threshold of CT, the sensitivity was 69.23%, specificity was 100%.

以淋巴结最小径≥5mm为气管食管沟区转移淋巴结的CT诊断阈,敏感性69.23%,特异性100%。

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3、

Analyzing the degree of the parameters influencing on heat transfer performance of heat pipe, they are wick diameter, groove number, the slot width and the vapor core diameter.

分析得到了各参数对热管传热性能影响程度,由大到小的顺序为槽道直径、槽道数目、窄缝宽度和蒸汽腔直径。

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4、

Considering the number of rollings of bearings, rollings diameter and curvature coefficient of inner and outer race and other factors, the deep groove ball bearings for finite element analysis, effects of various factors on the bearing contact stress and deformation.

综合考虑滚动体数量、滚动体直径及内、外沟曲率系数等因素的影响,对深沟球轴承进行有限元计算,得到各因素对轴承接触应力和变形的影响。

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5、

Initial Pipe Diameter Selection with Initial Flow Distributed by Smallest Growing Groove Method

最小生成树丛法分配管网初始流量的管径初选

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