摘 要:在小学数学教学中,教师应创设各种情境,以引导学生感悟生活与数学的联系,带领学生体验合作与成功的乐趣,培养学生探究与创新的能力,同时,注重各种资源的整合与运用,充分地为学生营造良好的学习环境。 关键词:情景创设;价值导向;创新意识 中图分类号:G623.5 文献标识码:A 文章编号:1009-010X(2010)10-0054-02 现代教育论认为:教师的教,只是学生学习的外因,这
The production cost of flexible polyurethane foam is significantly dependent on the cost of polyol, which constitute the largest percentage of materials used in
The importance of various form of heat treatment operations on medium carbon steel in order to forester the problem that may arise in making a wrong choice of t
The free-radical retrograde-precipitation (FRRPP) process was recently brought into the quantitative areas of work, based on the discovery of possibility of fla
This work presents the delamination resistance of woven glass fibre reinforced polymers (GFRP) and its influence on GFRP’s resistance to point impact. Two diff
摘要:随着课程改革的逐步深入,广大教师对反思性教学有了一定的认识和实践,本文重点阐述反思性教学的理解、特点、目的和实施,并就教学反思的书写提出建议。 关键词:反思性教学;理解、特点、目的、实施;教学反思 中图分类号:G451.6文献标识码:A文章编号:1009-010X(2007)12-0013-02 国家新一轮课程改革的实施,标志着我们的教学改革进入了一个全新的领域。这个领域为我们师生
Surface properties decide the fatigue, wear and corrosion behavior of a material. Hence their performance can be improved by surface modifications. Friction Sti
The present study deals with investigation relating to the influence of wear parameters like sliding speed, applied load and sliding distance on the dry sliding
A new semi-organic nonlinear optical thiosemicarbazide cadmium acetate (TSCA) material has been synthesized. TSCA single crystals were grown from aqueous soluti
Polyvinyl chloride (PVC) of different grades is the second most commonly used polymer for fabrication of electric cables and wires after polyethylene. Cables of