1) Multi-manifestations
多重表征
1.
Research on Strategies Using to Categorize the Material with Multi-manifestations;
大学生对多重表征学习材料归类的策略运用研究
4) representational redescription
表征重述
1.
Content: The research mainly focuses on in the context of practice and representational redescription the change process of cognitive and problem solving strategy used by children.
本文旨在研究多次练习背景下被试解题策略的变化过程及表征重述下个体认知变化的动态过程。
5) threefold representation
三重表征
1.
The research shows that differentiation of symbolic representation functions most in junior Chemistry learning, and threefold representation is able to embody Chemistry characteristic thinking mode, which, of course, is beneficial and valuable to the understanding of Chemistry.
三重表征是一种能体现化学学科特征的思维方式,它有利于学生更好地理解化学,具有一系列独特的魅力和价值。
6) Multi-representations
多元表征
1.
The Teaching Research on Optimizing the Learning of Multi-representations of Analytical Geometry Concepts;
优化解析几何概念学习中多元表征的教学研究
2.
Ever since 1990s, research on multi-representations has become a hot topic in fields such as cognitive science, education with integration of ICT in education.
20世纪90年代以来,随着现代信息技术在教育领域的应用,多元表征的研究成了认知科学、教育等领域的热门话题。
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条