用磁流变液实现导磁材料机件表面的光整加工

磁流变液是未来应用最广泛的智能材料之一,它在无外加磁场作用下表现出良好的流体特性,在强磁场的作用下它的粘度会在毫秒级的时间内增加两个数量级以上,表现出类似固体的特性,一旦去掉磁场又立刻恢复液体的特性.这种可逆、迅速、易控的特点使磁流变液在机械工程中得到广泛的应用,其中包括表面光整加工,如将其用于光学镜片的表面研磨.目前其加工对象仅限于非导磁性材料,而现在绝大多数的机械零件的材料为导磁性材料.文章明确了磁流变液光整加工方法的主要优点;根据加工机理分析和初步实验研究,概括出将磁流变液用于导磁性材料表面光整时碰到的具体问题,并有针对性地提出了合理的解决方法.     

美术欣赏教学的"五字法"

美术欣赏，是一种审美情感的教育，它既能提高学生的审美能力，又能培养学生的创造精神，这种独特的教育功能早已被一些专家、学论证，然而，采取什么样的方法才能更有效地发挥其功能和作用呢?本从五个方面对美术欣赏教学的形式和方法进行了研究探索。     

两年制模具专业《机械制图》课程教学改革的探索

针对两年制高职培养目标,《机械制图》课程由三年制高职转变为两年制高职,在教学目的、方法、内容、手段等方面作的改革和探索。     

Educational Research for Policy and Practice in Japan – With Particular Reference to Youth Education

Based upon the Fundamental Law of Education, Japanese school education system has long been a source of pride for the country as a result of the high school participation rate, the homogeneity of compulsory education throughout the country. However, the confidence of the people in its schools is now showing severe signs of strain and fatigue. In recent years, there have been many reports about the growing seriousness of a number of educational problems having to do with young people in their childhood and adolescence. Since the mid-1970s, a number of problems have been highlighted. They include violent behavior, juvenile crimes, bullying, refusal to attend school, dropping out at secondary level of education, and corporal punishment. Against the above background, based on recommendations from such advisory bodies as the Central Council for Education and the National Commission on Education Reform, the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) has adopted a range of policies and launched a series of educational reform programmes. For instance, what is called “Rainbow Plan”, based on the final report submitted by the National Commission on Education Reform, provides the country with basic guidelines for the educational reform in the near future. Roles of educational research for making policies have been of significance. Research initiated by the National Institute for Educational Policy Research (NIER) and the National Federation of Educational Policy Research Institutes (NFERI) is an example of contributions to the development of educational qualities in the country. This revised version was published online in July 2006 with corrections to the Cover Date.     

从欧洲货币一体化看亚洲货币一体化趋势

蒙代尔(Robert．A．Mundell)在1999年荣获诺贝尔经济奖之后预言，在未来十年中将出现三大货币区：欧元区、美元区和亚元区。继欧洲货币一体化后，北美积极向美元一体化发展；阿拉伯经济区、中非和西非也迈出了本地区货币一体化的步伐．亚洲经济区尚未进入实质性的货币经济联盟，令人格外关注．中国版图内的货币可否率先进行整合，建立“中元”，为“亚元”曲成立打开一个突破口?亚洲货币一体化的趋势不可逆转，“亚元”的实现是迟早的事。正确的选择是创立“中元”，为“亚元”的实现创造条件。     

简论王希杰的辞格理论研究

辞格理论研究是汉语辞格研究中的薄弱环节。王希杰对辞格理论作了深入而又系统的研究,他对辞格的性质、辞格系统的整体分类、辞格形成基础、辞格的价值和功能、辞格运用的原则等理论问题的论述就具有独特的视角和建设性,对解决当前辞格研究中的诸多问题具有重要的指导意义。     

不确定中立型系统的鲁棒正实反馈控制

考虑一类含有范数有界参数不确定性和混合时滞的中立型系统的严格正实状态反馈控制问题,利用线性矩阵不等式(LMI),给出了状态反馈控制器存在的充分条件,使得对所有的参数不确定性,闭环系统是鲁棒稳定且扩展严格正实的;并得到了控制器的设计方法,数值例子表明了设计方法的有效性。     

微柱法测定糖化血红蛋白方法的改进

目的 :建立一种在临床上比较实用的GHb的测定方法。方法 :将Bio -Rex70阳离子交换树脂溶液与溶血液充分振荡、混匀后 ,离心 ,测定上清液的吸光度值。结果 :变异系数 :,正常标本CV % =3、3% ;高值标本CV % =4、5 %。方法比较 ,与泰康公司微柱法试剂盒比较r=0 .94 ,密切相关。灵敏度 ,0 .0 1A相当于GHb为 0 .3%。结论 :经改进的微柱法 ,简便、快速 ,性能符合临床要求     

试论文龙对《金瓶梅》主旨的解读

文龙对于《金瓶梅》的主旨有着独到的认识。在考虑《金瓶梅》是否是淫书时,其把思考的重心放在读者身上,认为读者的素质是理解《金瓶梅》是否是淫书的关键;他还结合自身生活体验来思考《金瓶梅》的“四贪”问题,认为深层次的快乐来源于心灵的自足而非欲望的满足。另外,他还指出《金瓶梅》是有慨于世事之作。