JDY1型机械手机械液压系统的设计

本介绍了JDYl型机械手机械及液压系统的设计，并给出了相应的图形或表格。     

Power Drawing at Bath Spa University College School of Art & Design

Two intensive drawing weekends were held to at Bath Spa University College, School of Art & Design – in September 2001 and again in 2002. The weekends are designed as ‘taster’ events for the NSEAD Artist–Teacher Scheme and have been a joint venture between the Society and ‘Power Drawing’ the education programme of ‘The Campaign for Drawing’. The Artist–Teacher Scheme is based on the simple belief that art and design teachers who maintain their own creative practice are significantly more effective in the classroom or studio and more likely to be satisfied with their work in education. The scheme aims to provide opportunities for artist–teachers to review and develop their creative practice in relation to the highest levels of contemporary practice in the contexts of higher education institutions and art museums and galleries. The Campaign for Drawing is led by the Guild of St George, a charity founded by John Ruskin. It aims to promote visual literacy as an integral part of learning at all ages, to investigate the functions of drawing across the curriculum and to develop appropriate learning and teaching strategies. Artist Teachers who have led the weekends include Eileen Adams (Education Programme Leader Power Drawing), Sonia Boyce, Bob Briggs, Peter Feroze, John McNorton, Sheila Paine, Lesley Sanderson and Tom Wood. Over 100 teachers have experienced the drawing weekend to date and another event is planned for 2003.     

Learner-generated drawing as a strategy for learning from content area text

Learner-generated drawing is a strategy that can improve learning from expository text. In this paper, a model of drawing construction is proposed and the experimental design tests hypotheses derived from this model. Fourth and sixth grade participants used drawing under three experimental conditions with two conditions including varying degrees of support. On a problem solving posttest, both supported drawing groups scored higher than the non-drawing Control group. Although the grade by condition interaction was not significant, there was a strong trend in this direction. When sixth grade participants were considered independently, participants in the most supported drawing condition also obtained higher problem solving scores than those who drew without support. There were no significant condition effects for fourth grade nor were there any significant effects on a multiple-choice recognition posttest. Results were consistent with hypotheses and are discussed in light of the proposed theoretical framework.     

Effects of finishing rolling temperatures and reduction on the mechanical properties of hot rolled multiphase steel

Effects of finishing rolling temperatures and reduction on the mechanical properties of hot rolled multiphase steel were investigated. Thermo-mechanical control processing (TMCP) was conducted by using a laboratory hot rolling mill, in which three different kinds of finishing rolling temperatures and reduction and various austempering times were applied. The results showed that polygonal ferrite, granular bainite and larger amount of stabilized retained austenite can be obtained by controlled rolling processes, and that the strain-induced transformation to martensite from the retained austenite can occur gradually when the steel is deformed during tensile test. Mechanical properties increase with decreasing finishing rolling temperature and increasing amount of deformation. The most TRIP (transformation induced plasticity) effect, and ultimate tensile strength (UTS), total elongation (TEL) and the product of ultimate tensile strength and total elongation (UTS×TEL) are obtained at 20 min.     

机电联调技术课程教学改革实践

在机电一体化技术专业课程体系中,机电联调技术课程是一门综合性和实践性很强的课程,该类课程过去侧重于理论知识的讲授,实践环节偏少。为改善教学效果,提高教学质量,通过以数控机床为载体,依据真实的工作任务,在教学内容选取、教学方法和考核方式等方面进行了改革实践,有效提高了学生的专业能力和教师的业务素质,收到了良好的教学效果。     

基于虚拟现实的制图交互性教室构建研究

采用虚拟现实技术和虚拟现实语言VRML对工程制图中的重点模型进行重构,采用B/S模型架构,构建教学互动学习平台,增强教学互动性,激发学生学习兴趣。     

Do drawing tasks improve monitoring and control during learning from text?

In two experiments it was investigated how drawing as a monitoring task affects self-regulated learning and cognitive load. To this end, participants (Exp. 1: N = 73, Exp. 2: N = 69) were randomly assigned to one of two conditions. In the experimental condition, students were asked to read an expository text on the formation of polar lights consisting of five paragraphs, whereby, after each paragraph, they had to create a drawing of the text's content. In the control condition, students read the same text, but performed no drawing task. In both conditions, students had to give judgments of learning (JoLs) after each paragraph and after reading the whole text as well as rate their cognitive load. Then, they were asked to select paragraphs for restudy. In Experiment 1, participants continued with an assessment of their learning outcomes immediately after their restudy selection, whereas in Experiment 2 they were first given the opportunity to actually restudy the selected paragraphs before working on the posttest. Results of both experiments indicate that JoLs rather than cognitive load predicted posttest performance. Moreover, students in the drawing condition compared with the control condition exhibited more accurate (relative) monitoring in Experiment 1 in that their JoLs were more strongly related to performance. Moreover, JoLs predicted students' restudy decisions in both experiments; however, this effect was by-and-large independent of whether they had to draw. Overall, results hint towards the potential of drawing to support metacognitive monitoring.     

关于Auto CAD课程的教学方法探讨

介绍了AutoCAD教学的特点,根据作者的教学实践,就AutoCAD教学的方法进行探索,分析在Auto-CAD课程教学中提高学生学习积极性的问题,并提出了进一步提高AutoCAD课程教学效果的措施。     

提高高职《机械设计基础》课程实践教学质量的举措

分析了目前高职院校在专业基础课程上的改革现状,论述了深圳职业技术学院在机械设计基础课程的实践教学改革举措,阐述了在机械设计基础课程上进行项目化实践教学改革的思路．详细叙述了对该课程进行实践教学的项目化设计方法、项目化教学内容以及实践教学的效果．实践证明,项目化的实践教学有利于提高学生的综合能力．     

现代设计方法在机械学科本科毕业设计中的应用

分析了机械学科本科毕业设计中引入现代设计方法的必要性,指出了机械学科本科毕业设计中常用的现代设计方法及其应用范围,举例介绍了现代设计方法的实际应用情况及应用效果,教学改革实践表明现代设计方法在机械学科本科毕业设计中应用可以极大地提高毕业设计的设计效率和设计水平。