世界英语背景下本族语标准不断受到挑战,一线教学面临诸多迷惑。English After RP:Standard British Pronunciation Today(Lindsey 2019)一书指出RP在英国已经死亡,这要求外语教学界回应语音教学中的两个突出问题:应采用何种语音标准来...世界英语背景下本族语标准不断受到挑战,一线教学面临诸多迷惑。English After RP:Standard British Pronunciation Today(Lindsey 2019)一书指出RP在英国已经死亡,这要求外语教学界回应语音教学中的两个突出问题:应采用何种语音标准来教授?该标准对现有课程框架的教学内容及教学重点将产生怎样的影响?中国及世界英语教学理论与实践的研究表明,以传播中国,沟通世界为目的的中国外语教学,应该理性地选择世界范围内认可度最高的规范作为教授标准,并与时俱进,更新教学内容;从评价输出角度来说,应转变教学理念,聚焦信息交流的可理解度,将教学重点转向韵律。师生均需拓宽视野,培养世界胸怀,培养国际交流中对待地域及社会变体的积极的语言态度。展开更多
研究目的:随着我国"一带一路"倡议的实施,国内企业在海外承担的铁路设计和建设项目越来越多。在国外项目中,由于历史原因,很多国家的轨距及限界均不统一,通常采用的限界标准有国际铁路联盟UIC标准、欧盟EN标准、英国BS标准等...研究目的:随着我国"一带一路"倡议的实施,国内企业在海外承担的铁路设计和建设项目越来越多。在国外项目中,由于历史原因,很多国家的轨距及限界均不统一,通常采用的限界标准有国际铁路联盟UIC标准、欧盟EN标准、英国BS标准等,其中BS EN 15273限界标准应用较为广泛。该标准的研究在国内的应用成果不多,本文旨在介绍该标准的基本原理和在铁路工程设计中的应用方法。研究结论:(1)应用范围:适用于新建铁路和改建铁路,不适用于自动导向交通和独轨交通;(2)限界分类:根据限界计算原则和适用范围的不同,分为静态限界、动态限界和动力学限界三种;(3)本文研究可供设计人员在采用BS EN 15273标准的海外铁路工程项目中开展限界设计时参考。展开更多
Concrete is one of the most consumable construction materials on the earth.The concrete constitutes cement,sand,gravel,water and/or additives in definite proportions.The proportions of raw materials of concrete are de...Concrete is one of the most consumable construction materials on the earth.The concrete constitutes cement,sand,gravel,water and/or additives in definite proportions.The proportions of raw materials of concrete are decided by the concrete mix design.The mix design depends on the various factors.For mix design,most of the countries have their own specifications.In the present study,standard guidelines of India,Britain and America for the concrete mix design have been discussed.The concrete grades of M25,M35 and M45 were designed and compared.Indian Standards were also compared.It was concluded that a new revised version of Indian Standard code has the lowest value of water/cement ratio and highest quantity of cement as compared to other standards.展开更多
文摘世界英语背景下本族语标准不断受到挑战,一线教学面临诸多迷惑。English After RP:Standard British Pronunciation Today(Lindsey 2019)一书指出RP在英国已经死亡,这要求外语教学界回应语音教学中的两个突出问题:应采用何种语音标准来教授?该标准对现有课程框架的教学内容及教学重点将产生怎样的影响?中国及世界英语教学理论与实践的研究表明,以传播中国,沟通世界为目的的中国外语教学,应该理性地选择世界范围内认可度最高的规范作为教授标准,并与时俱进,更新教学内容;从评价输出角度来说,应转变教学理念,聚焦信息交流的可理解度,将教学重点转向韵律。师生均需拓宽视野,培养世界胸怀,培养国际交流中对待地域及社会变体的积极的语言态度。
文摘研究目的:随着我国"一带一路"倡议的实施,国内企业在海外承担的铁路设计和建设项目越来越多。在国外项目中,由于历史原因,很多国家的轨距及限界均不统一,通常采用的限界标准有国际铁路联盟UIC标准、欧盟EN标准、英国BS标准等,其中BS EN 15273限界标准应用较为广泛。该标准的研究在国内的应用成果不多,本文旨在介绍该标准的基本原理和在铁路工程设计中的应用方法。研究结论:(1)应用范围:适用于新建铁路和改建铁路,不适用于自动导向交通和独轨交通;(2)限界分类:根据限界计算原则和适用范围的不同,分为静态限界、动态限界和动力学限界三种;(3)本文研究可供设计人员在采用BS EN 15273标准的海外铁路工程项目中开展限界设计时参考。
文摘Concrete is one of the most consumable construction materials on the earth.The concrete constitutes cement,sand,gravel,water and/or additives in definite proportions.The proportions of raw materials of concrete are decided by the concrete mix design.The mix design depends on the various factors.For mix design,most of the countries have their own specifications.In the present study,standard guidelines of India,Britain and America for the concrete mix design have been discussed.The concrete grades of M25,M35 and M45 were designed and compared.Indian Standards were also compared.It was concluded that a new revised version of Indian Standard code has the lowest value of water/cement ratio and highest quantity of cement as compared to other standards.
