摘要：尽管之前的CRM研究在个人的基础上把eCRM看作是一对一的交流和个性化的服务的代名词，Web 2.0进一步使企业和用户通过社交网络共同学习，共同生产和协作产生客户价值，建立客...

一种有效的近似方法，采用运动自由度模态方程的多度的地震本文介绍了土与结构相互作用的非对称弹性建筑响应历史分析。系统考虑的是双向非对称剪切建筑物的表面上的弹性半空间...

摘要：本文阐述了5自由度仪器设备(IDD)配置Spirit and Opportunity的操作，在火星探测上，是一个灵活的机器人操作者。在火星岩上，每个周期的任何时间内，现场机械设备的连续命令至少需...

The UART operates in all of the usual modes that are described in the first section of Data Handbook IC20, 80C51-Based 8-Bit Microcontrollers. In addition the UART can perform framing error detect by looking for missing stop bits, and autom...

The MAX220MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where 12V is not available. 47278 These parts are especially useful in battery-powered sys...

摘要：电动助力转向系统（EPS）一直发展迅速，并成为现代汽车控制系统的保险措施之一。控制系统的跟踪性能是影响对电动助力转向系统进行援助的重要因素之一。在论文中为了提高...

Abstract. This paper focuses on the differences of marketing environment in the context of new network technology, and the changes of online advertising marketing mode under the different marketing environment. The authors propose the trend...

目的，本文的目的是开发一个高压釜，可用于评估腐蚀合适的材料性能在高压高温（HPHT）环境。许多新的油气田的发现是在高温高压环境中。这样的领域的发展需要适当的材料选择，能...

Since reform and opening up, Chinas paper industry generally experienced about 20 years of strategic adjustment period from the end of the last century to order people into the optimization of the industrial structure and the period of rapid...

关键词：颚式破碎机，中小型破碎机，破碎力分布，损耗分析摘要颚式破碎机是一种小型破碎机，广泛应用于采矿，化学等。破碎机使用时，两鄂板的相互运动和材料带来的鄂板磨损不...