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Materials handling is a vital function in a manufacturing or distribution system. Efficient handling of material allows such systems to operate at high levels of productivity. US companies invest over US$60 billion annually in materials handling technology. It is therefore extremely important for universities to prepare materials handling engineers who understand the principles of materials handling, as well as the design, implementation, operation and control of materials handling systems so that they can ensure the cost-effectiveness of this investment. This paper pertains to development of an interactive, multimedia-based system for use in materials handling classes. Modules in the system introduce students to: the 10 principles of materials handling; and two major equipment categories—conveyors and automated storage and retrieval systems. They illustrate industrial applications of material handling equipment and teach the problem-solving process through a case study and an extensive series of models, algorithms, problems and solutions. The modules have been formally evaluated and results are summarized. They are being distributed at a nominal cost to US and international universities. The module described in this paper on the ‘10 principles of materials handling’ was selected as a finalist for the 2002 PREMIER Award for Excellence in Engineering Education Courseware.  相似文献   
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Traditional discourses emanated from sites where agents of knowledge received their professional formation. Postmodernists suggest that the principle that the acquisition of knowledge is indissociable from personal formation is becoming obsolete and that the nature of knowledge cannot survive the information technology revolution unchanged. We examine these propositions with reference to a qualitative study of university staff who were developing and using World Wide Web (WWW) courses. The interview material supports the view that the WWW exemplifies a weakening of the framing of knowledge, has an elective affinity with the individual indulgence of postmodernism and is not effectively controlled through the community of science. Yet the WWW is parasitic on the project of modernism. Its user-friendly surface conceals extreme underlying complexity. The project of reducing professional training to the telematic transmission of an organised stock of knowledge is shown to be ultimately incoherent because it ignores the crucial need for implicit understanding and skill.  相似文献   
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This study examined temperament dimensions of emotion as precursors of children's social information processing (SIP) of stressful peer events. Two hundred and forty-three preschool children (= 4.60 years) and their primary caregivers participated in two measurement occasions spaced 2 years apart. Observations of temperamental anger, fearful distress, positive affect, and effortful control were assessed in multiple laboratory tasks across two visits at Wave 1. SIP assessments from vignettes of peer challenges were repeated across two waves and included: eye tracking measures of attention to peer emotion displays, hostile attribution bias, hostile solutions, and subjective distress. Findings from structural equation models with inclusion of autoregressive controls indicated that effortful control, fear, and anger predicted subsequent changes in specific SIP dimensions.  相似文献   
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The question of how best to secure a healthy, disease-free milk supply was one of the most contentious public health issues in interwar Britain. Commentators identified improper and unhygienic milking practices as just one area of the dairy industry in desperate need of reform. In the 1920s a loose partnership of agricultural scientists and educators, civil servants, and dairy businesses turned to competition as a means by which to convince milkers as to the benefits of “scientific dairying”. Clean milk competitions came to simultaneously educate and discipline British dairy workers by working to redefine milking skill with the help of the laboratory sciences. However, the venture was a contentious one, wherein competition participants would often resist the meanings and methods that were coming to be employed in the quest for “clean milk”.  相似文献   
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Conor P. McLaughlin and Christopher B. Newman challenge us to use our power to create new possibilities for equity on our campuses.  相似文献   
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