全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:J. Zheng , Z. Deng , S. Wang ...
来源:[J].Physica C: Superconductivity and its applications(IF 0.718), 2007, Vol.463-465, pp.1356-1360Elsevier
摘要:Abstract(#br)Vibration properties are investigated in the stable suspension between a permanent magnet (PM) and a bulk YBaCuO magnet at 77 K. The bulk YBaCuO is magnetized by a controllable electromagnet. Experiments and analyses show that a PM can just suspend under the YBaCu...
作者:Xiaoping Gao , Youguo Li , Hongxia Chen
来源:[J].The Journal of The Textile Institute(IF 0.725), 2014, Vol.105 (4), pp.454-459Taylor & Francis
摘要:In order to control yarn vibration and improve carpet quality, it is essential to research the fluctuation of yarn tension and its influences during tufting process. Assuming the polypropylene yarn has linear elasticity with a circular cross-section, we take the dynamic tension ...
作者:Run-xin Zhang , Qing-Qing Ni , Arata Masuda ...
来源:[J].Composite Structures(IF 2.231), 2005, Vol.74 (4), pp.389-398Elsevier
摘要:... In this work, two types of SMA-based composites are presented for investigating the vibration characteristics. First, laminated composite plates containing unidirectional fine SMA wires are fabricated. By measuring the vibration mode of a clamped cantilever, the influence of ...
作者:In Ho Cho , Gil Ho Song , Chang Sik Kim ...
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2005, Vol.19 (11), pp.2151-2156Springer
摘要:Abstract(#br)The industrial beneficial effects of nano-structured surface modification of tool steel (SKD 61) have been studying. Ultrasonic cold forging technology (UCFT) is one of severe plastic deformations for the improvement of mechanical properties by making nano-structure ...
作者:黄曌宇 , 唐文勇 , 汪怡 ...
来源:[J].中国工程机械学报, 2009, (03), pp.367-372CNKI
摘要:针对目前自升式海洋平台需要向深水发展的特点,展示了海洋平台振动分析的必要性和回顾了当前振动特性分析的方法,主要包括3个部分.频域方法:分析了平台的自振特性、单自由度分析方法、线性载荷和非线性...
被引频次:11下载频次:339
作者:Y.X. Shen , Ke Hua Zhang , Y.C. Chen ...
来源:[J].Advanced Materials Research, 2011, Vol.1225, pp.272-275Trans Tech
摘要:Vibrating screen sifts materials via screen mesh, vibration displacement and velocity. In order to completing optimal design of vibrating screen’s vibration frequency. Firstly, Using the CAD function of the three dimensional software UG NX 6.0 to achieve vibrating screen mode...
作者:刘镇波 , 沈隽 , 刘一星 ...
来源:[J].林业科学, 2007, (08), pp.100-105CNKI
摘要:以生产中使用的实际尺寸乐器音板用云杉属木材为研究对象,应用基于打击音的快速傅里叶变换分析的振动方法测定远东红皮云杉、长白鱼鳞云杉、西藏林芝云杉、美国西加云杉声学振动特性。采用综合坐...
被引频次:7下载频次:301
作者:刘镇波
来源:[D].东北林业大学  2007CNKI
摘要:钢琴音板的质量在很大程度上决定了钢琴声学品质,在生产中,钢琴音板的选材主要依赖于技师的主观评判,这种方式不但效率低,而且科学依据不足,误差大,无法满足在大批量生产的条件下,以最适当...
被引频次:3下载频次:417
作者:王志永
来源:[D].西安理工大学  2006CNKI
摘要:传统的脆值理论是根据包装产品在跌落冲击、水平冲击等简单冲击载荷作用下的动力学响应建立的,包装产品的脆值属于机械冲击脆值。该理论中没有考虑连续冲击载荷、简谐激励、周期激励、任意激励等...
被引频次:-下载频次:134

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