多面体的侧面积和体积易错点浅析

解决立体几何问题,要能抓住问题的突破点,善于转化,将复杂的问题转化为简单问题,将陌生的问题转化为熟悉的问题,将空间问题转化为平面问题,结合平面几何知识解决相关问题,并能灵活应用相关的常见结论.思路要开阔.方法要多变,使解决问题的策略更趋于合理,从而让立体几何的解题轻松自如.     

住宅施工过程中应规避的若干问题

在住宅施工中面临许多问题,如施工生产过程中的现场安全管理问题;施工方与业主以及监理部门的关系问题;施工过程中的环境公害问题等,这些问题不能不引起我们建筑施工单位的思考.本文结合工作实际,论述住宅施工过程中存在的问题,以及如何规避的这些问题.     

水文地质问题对矿山工程地质勘查的影响研究

矿山工程地质勘查问题中对水文地质问题的研究是非常重要的,因此提出水文地质问题对矿山工程地质勘查的影响研究,首先对水文问题的概念进行阐述,阐明矿山工程地质勘查的主要内容,分析水文地质问题研究的重要性,并探究矿山工程水文地质勘查的问题.基于水文问题对矿山工程地质勘查的影响的概念分析,提出地质勘查中水文地质问题的解决措施.在...     

问题情境教学法在课堂中的运用

问题情境教学法又称问题教学法,是指教师根据教学需要,从教材入手提出一定的问题,激发学生的求知欲,引导学生深入思考.通过问题解决以达到理解和掌握知识的一种教学方法体系.它以问题导入新课,又以问题作为主线展开教学,并通过解决问题来串联知识技能和方法,因而创设问题情境是实施问题教学法的关键.     

职业教育集团发展中应注意的问题

本文阐述了职业教育集团的成员选择问题、内部各成员单位的协作问题、目标管理问题、矗牌建设问题和成员学校特色建设问题等,以促进职业教育集团的健康发展。     

浅析企业安全生产

本文分析了企业安全生产问题 ,并探讨了解决安全生产问题的途径 ,认为企业安全生产问题是公众意识上的问题 ,是与人有关的问题 ,因此 ,要从根本上解决企业安全生产问题 ,最基本的途径就是要做好人的工作。     

浅谈留学生心理健康问题及对策

大学生心理健康一直是社会普遍关注的问题,而留学生心理健康更是一个值得研究探讨的问题.作者结合承德医学院留学生的心理健康的现状与存在问题,分析出现问题的原因,并提出解决留学生心理健康问题的对策.     

质量安全环保——制约南通地区钢丝绳行业发展的三大瓶颈

南通地区钢丝绳行业近几年来有了长足的发展,但南通地区钢丝绳行业存在三大问题：质量问题、安全问题和环境问题,这三大问题已成为制约南通地区钢丝绳行业发展的三大瓶颈,打破这三大瓶颈走可持续发展道路是南通钢丝绳企业的必然之路。     

中国农村环境问题的道德伦理追析

生态环境问题不仅是一个技术、经济或政治问题,更是一个道德伦理问题,道德伦理从更深的层次上制约着人们的行为与制度的安排。从道德伦理视角分析中国农村环境问题背后的道德伦理根由,揭示传统道德伦理观在农村环境问题上的负值效应,并提出解决农村生态环境问题的相应路径。     

浅析双重国籍在中国引发的问题及解决途径

近些年,双重国籍的问题越来越突出,其原因在于在全球化趋势影响下的移民问题,移民人数不断上升.双重国籍的法律问题产生具有其历史渊源,此问题的解决也是世界各国极为重视的法律实践问题.     

Chinalco Signed Framework Agreement for Strategic Cooperation with Harbin Municipal Government

正Last month,Chinalco signed framework agreement for strategic cooperation with Harbin Municipal Government in Harbin Xiong Weiping,Chairman of Chinalco,said that based on the strategic deployment to build world top-class mining company with the highest growth potential,Chinalco was now concentrating all efforts on making strategic transition and structural adjustment,strategic cooperation with the local governments where     

Jiangxi Promotes Jiangxi Copper Corporation To Become The World's Most Competitive Mining Company

<正>According to the latest info from Jiangxi Province State-owned Assets Supervision and Administration Commission,Jiangxi Copper Corporation was approved to become the first pilot enterprise for deepening reform.Contents of the pilot work is"Three Self"(self expansion,self decision-making,self     

Journal of Rare Earths Contents List of Vol.32(2014)

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Contributions to Baosteel Technical Research wanted

正Baosteel Technical Research,a quarterly journal,which is issued domestically and abroad,is run and sponsored by Baosteel Group Corporation.Baosteel Technical Research mainly reports the achievements in technological innovation,academic research,new product development and industrial equipment improvement by Baosteel.It will continue to follow up on hot topics and serve the company’s technological development and progress.Its readers include experts in     

Ministry of Industry and Information Technology: No Short Term Solution For Our Country’s Excess Nonferrous Metal Smelting Capacity

【正】According to the Ministry of Industry and Information Technology,the Ministry has released the 2013 Operation Report on China’s Industrial Communication Indu...     

Chinalco Signed Framework Agreement for Strategic Cooperation with Gansu Province

正Recently,Chinalco and Gansu Provincial People’s Government signed"Framework Agreement for Strategic Cooperation on Reform,Restructuring and Transition Development of Chinalco’s Electrolytic Aluminum Enterprises in Gansu",signifying that the strategic cooperation between Chinalco and Gansu Province had made new substantive progress.     

Unavoidable Economic Cycle:30% Of Nonferrous Metal Companies Were Involved In Restructuring

正Owing to continual downturn in real estate and bulk commodity markets,a number of traditional industries in China suffered unfavorable impact in performance.With the progressive disclosure of third quarter report,the no-pleasant-surprise performance of     

Baotou Rare Earth Became the World's Biggest High Performance Magnetic Material Base

正The High Performance Magnetic Material Phase II Project,an industry upgrading project implemented by Inner Mongolia Baotou IronSteel Rare Earth(Group)Hi-tech Co.,Ltd,recently basically finished equipment commissioning,signifying that the enterprise had developed the production capacity of15000 t/a Nd-Fe-B strip casting alloy and 5000t/a Nd-Fe-B magnet,thus becoming the world’s     

Introducing Two Central Enterprises to Integrate Rare Earth Industry,Shandong Rare Earth Group Breaks Surface

正With the signing of"Letter of intention for Propelling Integration of Shandong Rare Earth Enterprises"between Shandong Province Commission Of Economy and Informatization,China IronSteel Research Institute Group("China Steel Institute"),and China Rare MetalsRare Earth Co.,Ltd("China Rare Earth"),the"Shandong Rare Earth Group"jointly set up by the 3 units thus broke surface.On August 9,reporters of the China Economic Herald learned from Shandong Province     

Aluminium Production by Province or City in 2014

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