基于模糊物元分析法的区域知识产权战略绩效评估研究——以陕西省为例     

王绒  陈菊红  同世隆  姚树俊 《科技管理研究》2015,(20)

以系统思想为指导,重点应用目标管理与绩效评估理论,解读被评估区域知识产权战略,抽取出该区域知识产权战略绩效评估的初选指标;运用文献分析法,参考国内外相关文献,以鱼刺图为分析工具,完善初选指标;应用深度访谈与专家意见法,结合区域知识产权战略实施现状,针对被评估区域地方特色,筛选出相应的评估指标。最终从知识产权的创造、运用、保护、管理和服务5个方面构建区域知识产权战略实施绩效评估指标体系,运用模糊物元分析法建立评估模型,并以陕西省为例,借助2013年数据验证模型的可用性。  相似文献   

重轨压力矫直过程中残余应力的有限元模拟     

王臣  王建国陈林程爽  云海滨 《黑龙江科技信息》2007,(9X):48-48,35

利用有限元软件ANSYS对重轨的压力矫直过程进行了三维有限元模拟，对重轨矫直过程中的弹塑性变形过程进行了分析。采用静态接触分析，模拟了七次反复弯曲的过程。通过分析，得出了压力矫直过程的应力、应变变化规律。并对几种不同的矫直规程进行了比较分析。  相似文献   

有限单元法教学中编程能力的培养     

谭晓慧  侯晓亮  马海春 《教育教学论坛》2021,(3)

有限单元法是进行数值计算及解决工程问题的重要工具,"有限单元法"课程的教学包括理论教学、程序教学及软件教学。其中,程序教学是培养研究生编程能力及创新能力的重要途径之一。针对当前研究生"有限单元法"课程在程序教学方面存在的问题,分析总结了有限元教学程序的选择原则,建议选择简短完整、与学生的专业方向有关的程序作为有限元教学程序,提出了"以点带面,点面结合"的有限元程序教学模式及具体的教学方法。通过指导学生绘制有限元程序流程图、学习重点子程序的编程、运行并修改有限元程序、小组交流与讨论等方式来组织教学,可以有效激发研究生学习"有限单元法"课程的热情,加深对有限单元法理论知识的理解,提高研究生的编程能力及创新能力。  相似文献   

有限元软件在电机教学中的应用   总被引：2，自引：2，他引：0  

何山  李勇伟  黄嵩  LI Yong-wei 《现代教育技术》2008,18(3):125-128

随着计算机的应用日益广泛深入,电机教学也强调引进最新的工程计算方法,有限元软件作为一种使用方便的软件越来越多地应用在工程实践中。为了实现教学和科研相结合,该文介绍了ANSYS软件,应用软件对永磁发电机在多种条件下的磁场进行了计算,并且通过动画表明了旋转磁场和静态磁场的形成和分布,便于学生理解和学习。  相似文献   

论修辞策略的生成要素     

郑荣馨 《毕节学院学报》2004,22(4):1-7

修辞策略的酝酿、生成是一个非常复杂的动态过程.制约和影响这一过程的有众多因素.其中综合修养、交际目的、逻辑思维和语言材料在修辞策略的生成过程中具有特别重要的地位,抓住了这四个要素,就能够基本勾画出策略生成系统的面貌.  相似文献   

Approach for electrodynamic force for compensation in low voltage circuit breaker WP 630-1.2 type     

LU Na XU L.J Miedzifiski B 《浙江大学学报(A卷英文版)》2007,8(3):393-396

Undesirable repulsive force between contact members due to both a current path shrink near a real contact area and/or so-called pinch effect is particularly onerous for power switch applications, and results in either contact floating or bouncing which are associated with an electric arc following contact welding. This problem is of great importance for any circuit breaker especially for compact low voltage vacuum circuit breakers. To avoid contact floating at closure and during any inrush current under short circuit conditions, the electrodynamic repulsive force can be employed successfully if we use a special compensation system flexibly combined with the contact itself. However to select and design the compensation system properly, its efficiency has to be known. This paper presents an approach to obtain the electrodynamic force value depending on different shaped (rectangular, square, circle and arch) copper plates used in the compensator by using ANSYS for current values 40 kA RMS. Curve-fitting was done according to the calculating results, the optimization designing of compensation unit is based on them.  相似文献   

大豆施硒试验研究初报     

王敏  姚维传  商常发  吴齐鸿 《安徽科技学院学报》1991,(2)

大豆叶面喷硒可明显提高籽粒硒含量,以鼓粒期一次喷施亚硒酸钠水溶液效果最佳,籽粒硒含量最高可比对照提高31.71倍。大豆叶面喷硒对植株生长及产量无不良影响。  相似文献   

固支障碍问题非协调有限元逼近误差估计(英文)     

谢正辉 《怀化学院学报》1990,(2)

本文讨论固支障碍问题所联系的变分不等式非协调有限元逼近,在合理的正则性假设 下对于一类协调板元其中所括Morley元,第一类及第二类Fraeijs ds Veubeke元,Adini元,Zieneiwez元及不完全双二次非协调WS元得到对应有限元离散问题的误差估计为  相似文献   

定积分中换元积分法的注记     

穆勇 《宜宾学院学报》2007,7(12):41-42

要对定积分中换元积分法的两种情形的假设条件分别进行推广.  相似文献   

Implications of Prelecture Material on Cognitive Load and Instructional Effectiveness in Cross‐Disciplinary IS Education: The Nexus of Benford's Law and SQL     

Robert J. Mills  Tanya Y. Beaulieu  David F. Feldon  David H. Olsen 《Decision Sciences Journal of Innovative Education》2020,18(2):313-338

For some time, there has been a call for cross‐disciplinary teaching within the business disciplines. With the rise of data and analytics, there is an opportunity for cross‐disciplinary teaching by integrating technology throughout the business curriculum. However, many business professors have little experience in cross‐disciplinary teaching. We hope to rectify this by introducing an approach that uses prelecture material to prepare students for learning concepts and terms that are not core to the focal class. In a study that combines Structured Query Language (SQL) coding with an audit principle called Benford's Law, we analyze the impact of adding prelecture material about Benford's Law on student's cognitive load, knowledge gained, and instructional efficiency. Results indicate that students who received a prelecture on Benford's Law outperformed the control group in performance measures related to Benford's Law, and that the instructional efficiency on Benford's Law was also higher for the treatment group. We did not find any significant differences in cognitive load between the two groups, nor did the treatment group perform significantly better when tested on the SQL concepts. We conclude that cross‐discipline teaching is a fine balance between each discipline and communicating to students the importance of both disciplines is key.  相似文献