资源列表
20040922
- 通过三维有限元计算来研究含圆孔有限厚度板的圆孔边缘应力场,找出了应力集中系数与板的厚度、 圆孔半径之间的关系,同时还分析了圆孔边缘的三维应力约束程度和三维应力约束区域的大小. 研究结果表 明:离面应力约束系数在板的中面最大,而在表面为0 ,三维应力约束影响区域的长度约为板厚的一半 应力 集中系数沿厚度的分布是不均匀的,其最大值及位置与厚度有关 有限厚度板中面的应力集中系数及其最大 值均大于平面应力或平面应变的应力集中系数 对含圆孔任意厚度板的应力集中问题,按平面应力或平面应
Short-circuit-current-calculation
- 上海辅导班培训讲义08-短路电流计算:内容包括短路电流计算目的、主要短路电流数值及用途、高低压系统短路电流计算-Shanghai remedial classes training overhead 08-Short-circuit current calculation : content including short-circuit current calculation purposes, Numerical main short-circuit current and uses low
larger
- 放大镜， 放大镜， -magnifiers, magnifiers, magnifiers, magnifiers, magnifiers,
cityreport
- 2005 年中国竞争力发展报告2篇 word 2003 格式-2005 competition from China Development Report 2003 two word format
kptxzh
- 通信行业中的扩频通信技术使用广泛，该文档主要介绍有关扩频通信的相关知识。-communication sectors of the use of spread-spectrum communication technology widely, the document introduces the spread spectrum communication related knowledge.
yankee_Mythsandrealitiesofwifimeshnetworking060201
- WiFi Mesh技术及市场报告，最新技术介绍，网络实施方法等-WiFi Mesh technology and the market, introducing the latest technology, network implementation methods
pyramid_WLANcellularconvergenceThemobilecarrierbus
- WLAN与蜂窝网络融合网络FMC的技术发展，网络方案以及市场模型-WLAN and cellular networks fusion network FMC technology, network programs and market model
parks_untetheringbroadband0407
- WiMAX，802.20等广域宽带无线网络的无线技术、网络、市场模型分析-WiMAX, 802.20, and other broadband wireless wide area network wireless technology, network and market analysis model
MobileWimaxopportunities20072012060501
- 移动MobileWiMAX无线技术、网络Deployment、市场模型分析-MobileWiMAX wireless mobile technology, network Deployment, market analysis model
berginsight_UMTSandHSDPAmobilecomputing060101
- 3G UMTS及HSDPA高速数据网络下移动计算技术及市场的分析-3G UMTS and HSDPA high-speed data network, mobile computing technology and market analysis
vdc_IPMultimediaSystemsIMSforwirelineandwirelessap
- 3G IPMultimediaSystemsIMS技术及市场分析-IPMultimediaSystemsIMS 3G technology and market analysis
3G-2006YEAR-Market
- 透析2006年全球3G市场.pdf 详细分析市场数据及发展动向-dialysis in 2006 the global 3G market. Pdf detailed analysis of market data and development trends