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| 1 | 四成分教学设计模型--面向复杂学习环境的多媒体原理显示文摘四成分教学设计模型认为要实现复杂学习需要借助学习任务、支持性信息、程序性信息和子任务练习等因素。本文探讨运用这一模型设计多媒体学习环境及相关的14条多媒体原理。学习者可以在一个模拟的环境下完成学习任务,利用相关的多媒体原理有利于促进归纳学习过程;学习者还可以在超媒体系统中掌握支持性信息,相关的多媒体原理有利于促进信息的提取和精细加工过程;学习者也可以通过电子绩效支持系统来获取程序性信息,相关的多媒体原理有利于知识处理;最后,学习者能通过基于计算机练习程序来进行子任务的练习与训练,相关的多媒体原理有利于促进知识技能的巩固。本文还讨论了四成分模型框架的启示和不足。 | Jeroen J. G. van Merrienboer Liesbeth Kester 盛群力(译) 徐瑞(译) | 2008 | 远程教育杂志2008,26,2: | 13 |
| 2 | T1ρ/T2 mapping and histopathology of degenerative cartilage in advanced knee osteoarthritis显示文摘AIM To investigate whether normal thickness cartilage in osteoarthritic knees demonstrate depletion of proteoglycan or collagen content compared to healthy knees.METHODS Magnetic resonance(MR) images were acquired from5 subjects scheduled for total knee arthroplasty(TKA)(mean age 70 years) and 20 young healthy control subjects without knee pain(mean age 28.9 years). MR images of T1ρ mapping, T2 mapping, and fat suppressed proton-density weighted sequences were obtained.Following TKA each condyle was divided into 4 parts(distal medial, posterior medial, distal lateral, posterior lateral) for cartilage analysis. Twenty specimens(bone and cartilage blocks) were examined. For each joint,the degree and extent of cartilage destruction was determined using the Osteoarthritis Research Society International cartilage histopathology assessment system.In magnetic resonance imaging(MRI) analysis, 2 readers performed cartilage segmentation for T1ρ/T2 values and cartilage thickness measurement.RESULTS Eleven areas in MRI including normal or near normal cartilage thickness were selected. The corresponding histopathological sections demonstrated mild to moderate osteoarthritis(OA). There was no significant difference in cartilage thickness in MRI between control and advanced OA samples [medial distal condyle, P = 0.461;medial posterior condyle(MPC), P = 0.352; lateral distal condyle, P = 0.654; lateral posterior condyle, P = 0.550],suggesting arthritic specimens were morphologically similar to normal or early staged degenerative cartilage.Cartilage T2 and T1ρ values from the MPC were significantly higher among the patients with advanced OA(P= 0.043). For remaining condylar samples there was no statistical difference in T2 and T1ρ values between cases and controls but there was a trend towards higher values in advanced OA patients. CONCLUSION Though cartilage is morphologically normal or near normal, degenerative changes exist in advanced OA patients. These changes can be detected with T2 and T1ρ MRI techniques. | Benjamin S Kester Philip M Carpenter Hon J Yu Taiki Nozaki Yasuhito Kaneko Hiroshi Yoshioka Ran Schwarzkopf | 2017 | World Journal of Orthopedics2017,8,4: | 12 |
| 3 | 如何认识模数转换器的输入噪声显示文摘 | Walt Kester | 2006 | 今日电子2006,,4: | 5 |
| 4 | 柯甘式合作学习结构对小学英语教学的启示显示文摘本文以一次柯甘式合作学习工作坊为题材,结合案例介绍了混合——结对——分享、循环交流、轮流书写、组内共识以及问题交换五种合作学习的结构及其功能,并提出了实施柯甘式合作学习的原则,旨在帮助教师合理设计合作学习活动,提高学生的课堂参与度。 | 李健莉 Jill Kester | 2014 | 中小学外语教学(下半月)2014,,2: | 5 |
| 5 | Today's options for Tomorrow's rowth显示文摘 | Kester W C | 1984 | Harvard Business Review1984,,: | 2 |
| 6 | The prevalence of asymptomatic and unrecognized peripheral arterial occlusive disease 显示文摘 | Stoffers H E Rinkens P E Kester V | 1996 | Int J Epidemiol1996,25,2: | 1 |
| 7 | Asymptomatic peripheralarterial occlusive disease predicted cardiovascular morbidity and motality in a 7--year--follow--up study显示文摘 | Hooi JD Kester AD Stoffcrs HE | 2004 | J Clin Epidemiol2004,57,3: | 1 |
| 8 | Measurement of young's modulus of nanocrystalline ferrites with spinel structures by atomic force acoustic microscopy显示文摘 | KESTER E RABE U PRESMANES L | 2000 | Journal of Physics and Chemistry of Solids2000,619,8: | 1 |
| 9 | Nanoliposomal short-chain ceramide inhibits agonist-dependent translocation of neurotensin receptor 1 to structured membrane microdomains in breast cancer cells显示文摘 | Heakal Y Kester M | 2009 | Mol Cancer Res2009,7,5: | 1 |
| 10 | Reduction of pain catastrophizing mediates the outcome of both physical and cognitive-behavioral treatment inchronic low back pain 显示文摘 | Smeets R J Vlaeyen JW Kester AD | 2006 | J Pain2006,17,: | 1 |
| 11 | Potent inhibition of estrogen sulfotransferase by hydroxylated metabolites of polyhalogenated aromatic hydrocarbons reveals alternative mechanism for estrogenic activity of endocrine disrupters显示文摘 | Kester M H Bulduk S Van Toor H | 2002 | The Journal of Clinical Endocrinology and Metabolism2002,87,3: | 1 |
| 12 | In Situ and Satellite Observations of a Harmful Algal Bloom and Water Condition at the Pearl River Estuary in Late Autumn 1998显示文摘 | TANG D L KESTER D R NI IH | 2003 | Harmful Algae2003,2,: | 1 |
| 13 | Shock absorption charac teristics of running shoes显示文摘 | COOK S KESTER M BRUNET M | 1985 | Am J Sports Med1985,13,: | 1 |
| 14 | Quantitative determination of contact stiffness using atomic force acoustic microscopy 显示文摘 | RABE U AMELIO S KESTER E | 2000 | Ultrasonics2000,38,18: | 1 |
| 15 | Novel glucokinase activators:a patent review (2008-2010)显示文摘 | Sarabu R Berthel SJ Kester RF | 2011 | Expert Opin Ther Pat2011,21,1: | 1 |
| 16 | Today's options for tomorrow's growth显示文摘 | Kester W C | 1984 | Harvard Business Review1984,,34: | 1 |
| 17 | Constitutive expression of prostaglandin endoperoxide G/H synthetase (PGHS)-2 but not PGHS-1 in human tracheal epithelial cells in vitro显示文摘 | Walenga RW Kester M Coroneos E | 1996 | Prostaglandins1996,52,5: | 1 |
| 18 | Value of express T2-weighted pelvic MRI in the preoperative evaluation of severe pelvic floor prolapse:a prospective study显示文摘 | Kester RR Leboeuf L Amendola MA | 2003 | Urology2003,61,6: | 1 |
| 19 | Farfield impact of water injection dredging in the Crouch River 显示文摘 | Winterwerp J C Wang Z B Kester J A Th M van | 2002 | Water & maritime engineering2002,,4: | 1 |
| 20 | Asymptomatic peripheral arterial occlusive disease predicted cardiovascularmordibity and mortality in a 7-year follow-up study显示文摘 | Hooi JD Kester AD Stoffers HE | 2004 | J Clin Epidemiol2004,57,3: | 1 |