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3·3·3系列智能学具是中央教育科学研究所《学习与发展》研究组研制的一套测查和训练中小学生与学前儿童智能的“物化”工具.它经历研究组人员多年的理论准备和上万人次的实验而得以问世。3·3·3意指它的许多方面由三个部份或三项内容所组成。它以教学与发展的关系、知识与能力的关系、内因与外因的关系三方面的理论为根据,构建了“学习—反思—全面发展”互部份组成的理论框架,同时引入系统论、认识过程的“两个飞跃”、充分发挥主观能动性三种观点,构成了“整体—过程—反思”的方法体系和最后达到智能迁移的目的。这项研究于1986年5月在大连举行的中国教育学会儿童教育心理研究会科研成果鉴 相似文献
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Three-Mode Factor Analysis (3MFA) and PARAFAC are methods to describe three-way data. Both methods employ models with components for the three modes of a three-way array; the 3MFA model also uses a three-way core array for linking all components to each other. The use of the core array makes the 3MFA model more general than the PARAFAC model (thus allowing a better fit), but also more complicated. Moreover, in the 3MFA model the components are not uniquely determined, and it seems hard to choose among all possible solutions. A particularly interesting feature of the PARAFAC model is that it does give unique components. The present paper introduces a class of 3MFA models in between 3MFA and PARAFAC that share the good properties of the 3MFA model and the PARAFAC model: They fit (almost) as well as the 3MFA model, they are relatively simple and they have the same uniqueness properties as the PARAFAC model.This research has been made possible by a fellowship from the Royal Netherlands Academy of Arts and Sciences to the first author. Part of this research has been presented at the first conference on ThRee-way methods In Chemistry (TRIC), a meeting of Psychometrics and Chemometrics, Epe, The Netherlands, August 1993. The authors are obliged to Age Smilde for stimulating this research, and two anonymous reviewers for many helpful suggestions. 相似文献
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Mahmoud Aly Hamad 《Philosophical Magazine Letters》2013,93(6):346-355
PbZr0.95Ti0.05O3 thin film has the highest electrocaloric properties of all the oxide thin films (0.48?K?V?1). Here, it is shown giant electrocaloric properties in 200?nm (1?0?0)-oriented PMN–PT 68/32 film near the ferroelectric Curie temperature of 146?°C. The results indicate the significance of this system to achieve electrocaloric entropy change and temperature change, up to 32.21?J/kg?°C and 14?K, respectively, in 12?V (i.e. 1.155?K?V?1) near the Curie point. This exceeds the previous best results obtained in PbZr0.95Ti0.05O3 thin film. 相似文献
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《Memory (Hove, England)》2013,21(3-4)
Abstract This is a scanned image of the original Editorial Board page(s) for this issue. 相似文献
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探讨基质金属蛋白酶-3(MMP-3)及抑制物组织金属蛋白酶抑制剂-3(TIMP-3)在人结肠癌组织中的表达及其意义.本文采用免疫组化的方法对86例结肠癌,40例结肠腺瘤和40例正常结肠黏膜组织中的MMP-3和TIMP-3的表达进行检测.结果MMP-3在结肠癌组织中的阳性表达率高于结肠腺瘤和正常结肠组织,差异有统计学意义(P<0.05);TIMP-3在正常结肠组织中的阳性表达率高于结肠癌组织和结肠腺瘤,差异有统计学意义(P<0.05).结肠癌组织中MMP-3和TIMP-3蛋白的表达与结肠癌患者性别和年龄无关(P>0.05);与癌细胞分化程度、有无淋巴结转移、有无远处器官转移及临床分期密切相关(P<0.05).MMP-3与TIMP-3蛋白在结肠癌中的表达呈负相关(P<0.05).TIMP-3和MMP-3表达程度及TIMP- 3/MMP-3可为结肠癌的浸润转移提供诊断依据,并为临床治疗结肠癌的浸润转移提供新的思路和方法. 相似文献
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