高校社科学报对学术规范化的影响

高校社科学报是高等学校主办的以反映本校科研和教学成果为主的学术理论期刊,是学术成果发表的重要载体。高校社科学报对学术规范化具有正面作用,但如果处理不当,也会对学术规范化起到负面效果。因此,必须建立高校社科学报与学术规范的双向良性互动机制:匿名审稿、刊发学术含量大且规范的文章、发出文章采用与否的信号。     

负序电流及其对汽轮发电机的危害

负序电流对发电机所造成的危害已经在电力系统的运行实践中被多次证实。当负载不对称或非全相运行时,其中的负序电流分量就会在发电机的转子表面流过,产生局部过热,使绝缘受到损坏并伴随有强烈的机械破坏。本文从理论和运行实践上阐明了负序电流的起因和危害,并给出了相应的防止措施。     

永磁同步电动机混沌系统条件负反馈控制研究

永磁同步电动机在某些参数及工作条件下会出现混沌运动,这将危及电动机系统的稳定运行,并且会损坏电动机,因此如何抑制或消除永磁同步电动机的混沌运动成为保持其稳定性的关键问题。本文采用条件负反馈方法对永磁同步电动机混沌模型进行控制,数值研究结果表明控制简单有效,能将系统控制到接近于原来的不稳定平衡点,并且可以使电动机d轴的电流不随控制参数的变化而变化,具有重要的工程意义。     

论城市化进程中的科学发展观

城市化是一个国家现代化水平的重要标志,也是人类文明进步的必然结果。城市化不仅是一个国家全面建设小康社会的关键性指标,也是推动一个国家经济持续发展的动力。但是,目前在中国对如何科学推进城市化进程存在各种不同的认识。因而,在城市化进程中产生很多亟待解决的问题。     

多齒差擺線泵的齒形修正

討論了利用轉角修形法對多齒擺線泵的圓弧齒輪和擺線齒輪進行齒形修正方法,導出了計算齒側間隙和最小側隙的公式.     

N6160ZC6柴油机节能喷油泵的优化设计

建立了N6160ZC6型柴油机工作过程的单目标函数非线型的优化数学模型，使用SWIFT法对柴油机不同负荷进行了优化计算，取得了计算结果与实测较好的吻合，据此，设计了柴油机节能型喷油泵的新型柱塞结构。     

Charge Pump for LCD Driver Used in Cell Phone

IntroductionDue to the fast growth of the mobilecommunication market,the competition in thisbusiness is very intense.The display still remainsas one of the most importantparts requiring driverICs with better performance and lower cost.Sincethe DC- DC converter is one of the most importantcomponents for achieving the requirement,thispaper aims at designing a sophisticated voltageconverter.　The most important advantage of charge pumpsas a voltage converter is their high efficiency andamenabi…     

Negative selection of murine medullary-type single positive thymocytes

Negative selection depletes self-reactive T cells, thus ensuring self-tolerance. It is usually considered that negative selection imposed on double-positive (DP) thymocytes that reside at the cortico-medullary junction. Negative selection model was set up by injecting mice with anti-T cell receptor (TCR) monoclonal antibody (mAb) intraperitoneally in this work. As shown in phenotypic analysis of thymocytes, negative selection destroys not only cortical-type DP thymocytes, but also medullary-type CD3+TCRαβ+CD4SP and CD3+TCRαβ+CD8SP thymocytes. Negative selection of medullary-type single positive (SP) are more susceptible to apoptosis, while with development of the cells, their resistance to apoptosis increases. Therefore, negative selection does not operate on functionally mature thymocytes at the late stage. This result is a supplement to the traditional theory of negative selection. Negative selection of medullary-type thymocytes is probably to further deplete self-reactive T cells, thus producing precise TCR repertoire and inducing self-tolerance.     

新型水泵在城市防洪工程的应用探讨

介绍了贯流泵的技术特点及其在城市防洪工程中的应用，对合理采用新技术，提高泵站的装置效率有较深入的分析。     

磁力驱动全密封离心泵市场前景与产业化

阐述了磁力驱动全密封离心泵的原理、技术发展现状、发展前景及产业化.