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高温高速全陶瓷轴承配合技术研究
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作者 靳国栋 薛进学 +2 位作者 李亮 王玉飞 张同贺 《智能制造》 2016年第7期49-53,共5页
基于先进氮化硅陶瓷材料的特点,对全陶瓷轴承内圈与钢轴配合的影响因素以及过盈配合动、静态极限值进行了分析和实例试验,证明了给出的全陶瓷轴承与钢轴配合的分析方法可行,对高科技陶瓷轴承的推广应用具有重要的理论和现实意义。
关键词 全陶瓷轴承 动态极限 静态极限值 过盈配合 氮化硅 试验
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Some Interesting Features for External Region of Spherical Symmetric Mass in New Theory of Gravitation VGM
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作者 QIAN Shang-Wu 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第5X期879-880,共2页
This paper briefly discusses some interesting features for the external region of the spherical symmetric mass in the new theory of gravitation VGM, i.e. the theory of gravitation by considering the vector graviton fi... This paper briefly discusses some interesting features for the external region of the spherical symmetric mass in the new theory of gravitation VGM, i.e. the theory of gravitation by considering the vector graviton field and the metric field, such as pseudo-singularity, curvature tensor, static limit, event horizon, and the radial motion of a particle. All these features are different from the corresponding features obtained from general relativity. 展开更多
关键词 pseudo-singularity curvature tensor static limit event horizon radial motion of the particle
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