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改性环氧及固化剂制备环氧沥青材料的性能探索 被引量:1
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作者 杨永红 《当代化工》 CAS 2014年第7期1221-1223,共3页
环氧沥青材料是由环氧沥青双组分混凝土材料经过固化作用后所得,其非连续相表现出的是一种混合物形式,而连续相表现出的则是环氧树脂形式(经酸固化作用后),以热固性聚合物材料的形式存在,将其用于铺设时较之于其他材料,具有无可比拟的... 环氧沥青材料是由环氧沥青双组分混凝土材料经过固化作用后所得,其非连续相表现出的是一种混合物形式,而连续相表现出的则是环氧树脂形式(经酸固化作用后),以热固性聚合物材料的形式存在,将其用于铺设时较之于其他材料,具有无可比拟的优越性。本文以此为出发点,制备了改性环氧沥青材料,并进行了分析,旨在促使环氧沥青材料的性能最优化。 展开更多
关键词 固化剂 改性环氧 环氧沥青材料 性能探索
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美国临床实验室质量跟踪计划的经验与启示 被引量:7
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作者 曾蓉 王薇 王治国 《中国医院》 2011年第11期57-60,共4页
描述美国病理学家学会所开展的临床实验室持续性性能评估计划,即质量跟踪计划,并结合国内临床实验室具体情况,得到质量不是一成不变而是随时间改变的性能基准的结论,并且提出采用纵向监督关键过程中的质量指标的方式来更好地改进国内实... 描述美国病理学家学会所开展的临床实验室持续性性能评估计划,即质量跟踪计划,并结合国内临床实验室具体情况,得到质量不是一成不变而是随时间改变的性能基准的结论,并且提出采用纵向监督关键过程中的质量指标的方式来更好地改进国内实验室性能的建议。 展开更多
关键词 质量指标性能改进临床实验室质量跟踪质量探索
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Moderating variables in the relationship between mental toughness and performance in basketball
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作者 Aubrey Newland Maria Newton +2 位作者 Laura Finch Colin R.Harbke Leslie Podlog 《Journal of Sport and Health Science》 SCIE 2013年第3期184-192,共9页
Purpose: This study explored the relationship between mental toughness and college basketball performance, specifically examining possible moderating variables (gender and starting status). Methods: Male and fema... Purpose: This study explored the relationship between mental toughness and college basketball performance, specifically examining possible moderating variables (gender and starting status). Methods: Male and female (n = 197) college basketball players completed the Psychological Performance Inventory-Alternative (PPI-A), a measure of characteristics and skills consistent with mental toughness, and the PERK an objective measure of basketball performance. Results: Findings suggest that basketball performance can be partially predicted by mental toughness and starting status. Males reported greater mental toughness than females. Starters and nonstarters did not differ in mental toughness. Moderated hierarchical regression analysis indicated that mental toughness was related to performance for male players as both a main effect and interaction with starter status. For female players, in contrast, starter status was the only significant predictor of performance. Practitioners are encouraged to foster the psychological skills associated with mental toughness in females and non-starters in basketball. Conclusion: Discussion of the PPI-A as a measure of mental toughness and suggestions for its improvement are explored. A need exists for additional research on mental toughness and objective performance, as performance enhancement is a major impetus for research on mental toughness. Copyright @ 2012, Shanghai University of Sport. Production and hosting by Elsevier B.V. All rights reserved. 展开更多
关键词 BASKETBALL Mental toughness Moderating variables PERFORMANCE Psychological Performance Inventory-Alternative Psychological skills
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