小学数学教学方法与学习心理分析     

尤超 《科教文汇》2020,(13):135-136

小学数学作为小学重点学科,是学生学习更高难度数学的基础,对学生今后的数学学习起到重要作用。本文结合小学生的心理特点,对小学数学的教学方法展开系统论述,希望能为相关教育学者提供一定的理论支持。  相似文献   

Encapsulating metal organic framework into hollow mesoporous carbon sphere as efficient oxygen bifunctional electrocatalyst     

Wanfeng Xiong  Hongfang Li  Hanhui You  Minna Cao  Rong Cao 《国家科学评论(英文版)》2020,7(3):609

Applying metal organic frameworks (MOFs) in electrochemical systems is a currently emerging field owing to the rich metal nodes and highly specific surface area of MOFs. However, the problems for MOFs that need to be solved urgently are poor electrical conductivity and low ion transport. Here we present a facile in situ growth method for the rational synthesis of MOFs@hollow mesoporous carbon spheres (HMCS) yolk–shell-structured hybrid material for the first time. The size of the encapsulated Zeolitic Imidazolate Framework-67 (ZIF-67) is well controlled to 100 nm due to the spatial confinement effect of HMCS, and the electrical conductivity of ZIF-67 is also increased significantly. The ZIF@HMCS-25% hybrid material obtained exhibits a highly efficient oxygen reduction reaction activity with 0.823 V (vs. reversible hydrogen electrode) half-wave potential and an even higher kinetic current density (J_K = 13.8 mA cm⁻²) than commercial Pt/C. ZIF@HMCS-25% also displays excellent oxygen evolution reaction performance and the overpotential of ZIF@HMCS-25% at 10 mA cm⁻² is 407 mV. In addition, ZIF@HMCS-25% is further employed as an air electrode for a rechargeable Zn–air battery, exhibiting a high power density (120.2 mW cm⁻² at 171.4 mA cm⁻²) and long-term charge/discharge stability (80 h at 5 mA cm⁻²). This MOFs@HMCS yolk–shell design provides a versatile method for the application of MOFs as electrocatalysts directly.  相似文献   

古代文档副本制度略论     

尤永芝 《档案》2007,(5)

一、档案文书副本制度档案文书副本是指同一档案文件的抄本或复制本,是相对档案文书正本而言的。制作与保存档案文书副本,是我国古代文档管理的一项重要制度,  相似文献   

出版高质量的单行本以增加科技期刊收益   总被引：1，自引：0，他引：1  

金东  游苏宁 《编辑学报》2007,19(4):305-306

中华医学会系列杂志所刊载的医学论文的单行本是近年来读者和客户需求不断增长的新产品,是中华医学会系列杂志品牌服务的延伸,不但深受作者和广大客户的欢迎,而且能给期刊编辑部带来一定的经济效益.加强并规范单行本制作流程,制作销售高质量的单行本是增加科技期刊收入、促进学术交流、扩大期刊宣传的重要手段之一.  相似文献   

科技学术期刊收取论文版面费合理合法   总被引：15，自引：10，他引：15  

游苏宁  陈浩元 《编辑学报》2007,19(1):1-3

针对部分人士对科技学术期刊收取论文版面费的非议,指出这一收费有据可依,合理合法,并对规范收费提出了建议.  相似文献   

现代信息技术环境下的文献资源建设   总被引：1，自引：0，他引：1  

游丽华 《河北科技图苑》1998,42(4):39-41

现代信息技术的发展,必将提高文献资源的共享程度,从而在实践上实现从"图书馆藏书建设"到"文献资源建设"的转变.提出网络化、数字化环境下的文献资源建设,需建立适合我国国情的文献事业管理机构,打破现行的四大系统隶属制,按图书情报机构的级别(中央级、省级、地市级、部分县级)以学科分类为基础,考虑专业学科特色,统筹规划,分工协调,减少不必要的重复和浪费,同时提高我国文献资源的保障率.并指出电子载体将作为文献收藏的主要载体,纸质载体作为一种补充将与电子载体并存.  相似文献   

浅谈体育教学中消极心理的调整   总被引：1，自引：0，他引：1  

陈有忠 《安徽体育科技》1998,(2)

体育课教学是在师生的双边活动中完成的。教学中,掌握、了解学生在学习过程中所产生的消极心理,适时加以正确引导,有利于教学的顺利开展,提高教学效果,并促使学生在学习过程中不断掌握、提高科学锻炼身体的方法,为培养学生建立终身体育意识打下坚实的基础。  相似文献   

Applying the Law of Transfer of Learning in Dancing Teaching     

You Jie 《贺州学院学报》2008,24(3)

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Narrative accounts of US teachers' collaborative curriculum making in a physical education department     

JeongAe You  Cheryl J. Craig 《Sport, Education and Society》2015,20(4):501-526

Through the use of narrative inquiry, this research study explores the collaborative curriculum making experiences of six teachers (three males; three females) in one physical education (PE) department in an urban middle school in the U.S. Collaboration; as defined in this work, this has to do with teachers’ voluntary interactions and their shared decision making in support of common goals. Where curriculum making is concerned, it refers to interactions between and among the four commonplaces of curriculum (teacher, learner, subject matter, milieu). The paper features the perspectives of the department head (female), experienced teachers (male and female) and teachers new to the profession (male and female). The narrative accounts of the individual teachers are set against the backdrop of the PE department with which they identify and within the storied history of the school in which they work. The story constellations representational form conveys the interrelatedness of the narratives and instantiates the teachers’ experiences of collaborative curriculum making. In the final analysis, this research enterprise makes a major contribution to the study of PE as well as to education generally. To date, no inquiries have focused on the collaborative curriculum making of teachers lodged in a PE department in one school context, despite collaborative curriculum making most closely reflecting how PE teachers typically approach the teaching task due to shared classrooms/gymnasiums/fields and the communal use of equipment.  相似文献   

基于证据推理的核心技术识别方法研究     

罗吉利  李孟军  姜江  游翰霖  徐建国 《情报杂志》2015,(1)

通过对从美国专利商标局( The US Patent and Trademark Office,USPTO)网站中下载的某领域专利进行整理,得到初始统计数据。将USPTO专利子类作为技术节点,技术之间共现关系作为边,建立技术的共现网络,再利用复杂网络中的“k-核”分析方法对共现网络进行分析,进行技术筛选。提出技术识别的层次性评估指标,运用证据推理对筛选出的技术进行评估,选出核心技术。最后以激光切割技术为例,展示和验证了此方法。  相似文献