运动与补Na     

常燕  郑师超  邓晓岚 《武汉体育学院学报》2002,36(1):60-61

对运动员大量出汗导致体内总Na的亏空所引起的各种类型的热疾病分别进行了论述，强调了运动前和运动中补Na的重要性，并推荐了几种补Na的方法。  相似文献   

针刺足三里穴对运动小鼠红细胞形态、血红蛋白浓度的影响     

朱梅菊  屈菊兰  李红 《广州体育学院学报》2004,24(1):31-32,41

运用扫描电镜和全自动血球分析仪研究针刺足三里穴对运动小鼠红细胞形态和血红蛋白浓度的影响 ,结果发现运动组小鼠红细胞畸形率显著高于正常组、针刺组和假针刺组 (均P <0 0 1) ,针刺组小鼠红细胞畸形率分别高于正常组和假针刺组 (均P <0 0 1) ,正常组与假针刺组小鼠红细胞畸形率差异无显著性 (P >0 0 5 ) ,运动组小鼠HGB浓度显著低于正常组、针刺组和假针刺组 (均P <0 0 1) ,针刺组、正常组和假针刺组小鼠红细胞HGB浓度差异无显著性 (P >0 0 5 )。表明针刺足三里穴能明显降低大强度训练小鼠红细胞畸形率 ,提高HGB浓度 ,为针刺足三里穴在体育实践中的运用提供了实验依据。  相似文献   

论木兰拳的现状与发展走向   总被引：3，自引：0，他引：3  

秦子来 《湖北体育科技》2002,21(4):402-403,405

木兰拳在形成发展中形成各种流派，木兰拳的健康发展应在国家体育总局武术管理中心的统一领导、统一管理下，统一比赛套路，走规范化、产业化和国际化的道路。  相似文献   

Young Children’s Ability to Produce Valid and Relevant Counter-Arguments     

Bahar Köymen  Cathal O’Madagain  Andreas Domberg  Michael Tomasello 《Child development》2020,91(3):685-693

In collaborative problem solving, children produce and evaluate arguments for proposals. We investigated whether 3- and 5-year-olds (N = 192) can produce and evaluate arguments against those arguments (i.e., counter-arguments). In Study 1, each child within a peer dyad was privately given a reason to prefer one over another solution to a task. One child, however, was given further information that would refute the reasoning of their partner. Five-year-olds, but not 3-year-olds, identified and produced valid and relevant counter-arguments. In Study 2, 3-year-olds were given discourse training (discourse that contrasted valid and invalid counter-arguments) and then given the same problem-solving tasks. After training, 3-year-olds could also identify and produce valid and relevant counter-arguments. Thus, participating in discourse about reasons facilitates children’s counter-argumentation.  相似文献   

不锈钢的化学合成及其耐蚀性能研究     

王桂兰 《湘南学院学报》2002,23(2):26-29

利用金属氧化物与金属的还原反应制备了新型不锈钢 ,并研究了这种不锈钢在不同腐蚀介质中的耐蚀性能 .结果表明 ,采用这种特殊工艺制备的不锈钢具有比成分类似的变形不锈钢更优异的性能  相似文献   

浅析入世对我国外汇储备增长的影响     

金巧兰 《唐山学院学报》2002,(2)

分析了我国加入 WTO之后 ,逐步降低进口关税税率、推行意愿结售汇制、实行人民币自由兑换等会对我国外汇储备增长带来的影响 ,并对我国当前的外汇储备规模提出了一些看法  相似文献   

摄影文学还是文学摄影   总被引：1，自引：1，他引：1  

陈润兰 《株洲师范高等专科学校学报》2002,7(3):40-43,52

当前摄影文学讨论中所谓“摄影”、“文学”诸元素经“审美复合”已产生新质的观点值得商榷。因为摄影文学作品中“摄影”是目的 ,是主体 ,“文学”是工具 ,是附庸。它们根本未能化合 ,仍是两张皮。据此 ,“摄影文学”宜更名“文学摄影”。  相似文献   

Understanding the Gaps Between Turkish Teachers’ Beliefs and Practices for Dealing With Preschoolers’ Peer Relationship Problems     

Çağla Öneren Şendil  Feyza Tantekin Erden 《Early education and development》2019,30(5):608-638

Research Findings: This study explores the beliefs, self-reported practices, and observed practices of Turkish preschool teachers toward children’s peer relationship problems as well as the gap between their beliefs and practices. Five female teachers of 5-year-old children were selected as participants for this multiple case study. Approximately 79 hr of observation was conducted on the children’s daily routines and activities in a natural classroom environment, which specifically included the teachers’ problem-solving strategies while confronting peer relationship problems. The participants were also interviewed regarding their beliefs and strategies for solving peer relationship problems. The findings of this qualitative investigation indicated that the teachers’ beliefs and self-reported practices included both teacher- and child-related factors. However, the observed practices included several teacher-initiated strategies; child-initiated strategies appeared, albeit less than teacher-initiated ones. This affirms the teachers’ stress on children’s role in managing peer problems. Although some of the teacher practices and beliefs were consistent, certain inconsistencies may indicate the presence of external constraints. Practice or Policy: The results of this study highlight the importance of teacher education programs providing preservice and in-service teachers with the knowledge and skills required to understand children’s peer relationships, guide their interactions, and apply appropriate intervention strategies for various peer relationship problems.  相似文献   

氰化废水零排放工艺研究及应用     

曹会兰 《渭南师范学院学报》2003,18(5):41-42

氰化废水零排放工艺的研究结果表明。酸化——沉淀——碱中和后废水全循环为氰化工艺提供了良好的技术条件。回收了有价金属。降低了氰化物消耗。实现含氰废水零排放。取得了良好的环境效益、社会效益和经济效益．  相似文献   

Developing Environmentally Responsible Behaviours Through the Implementation of Argumentation- and Problem-Based Learning Models     

Fettahlıoğlu  Pınar  Aydoğdu  Mustafa 《Research in Science Education》2020,50(3):987-1025

Research in Science Education - The purpose of this research is to investigate the effect of using argumentation and problem-based learning approaches on the development of environmentally...  相似文献