This standard stipulated the catalogue and coding， defect description， causes of defects，means of detectioand methods should be takeof various rail defects. This standard applies to the statistics of rail defects， Cause of defect and defect informatiotreatment. This standard doesn't apply to the following defects： a)The rail parts made from cutting and forging rails，such as switch rails(point rails，wing rails) ，guardrail，expansiojoint rails，etc.; b)Driving accidents caused by the non-rail defects or rails caused by the disaster; c)The few special rails made from the special experiment materials or with special cross sectioout of this standard.
《水环境质量与污染物排放标准汇编（第2版）》共汇集了截至2017年5月底我国正式发布实施且现行有效的水环境质量和污染物排放方面的标准和地方标准共计97项，其中标准68项，地方标准29项。68项标准涉及我国水环境质量标准、工业污染物排放标准、特定环境下的水质量标准等诸多方面。29项备案的水污染物排放地方标准涉及北京、上海、天津、山东等15个省、市、自治区。本版汇编与上一版相比，新增标准8项，删减作废标准5项。
This Standard is piled with a view to guiding the constructioand quality acceptance of railway natural disaster and foreigobject intrusiomonitoring system （hereafter referred to as "disaster monitoring system"） and unifying relevant technical requirements. This Standard is applicable for the constructioand quality acceptance of the disaster monitoring system of railways to be constructed or reconstructed. The constructioand acceptance of the disaster monitoring system shall conform to relevant national and industry technical standards. The constructioshall be performed othe basis of desigdocuments， and the constructioquality shall meet the requirements of system functionality， safety and quality features specified ithis Standard. Standardized management concerning system construction， staffing9 site management and process controlling shall be strengthened during constructioof the disaster monitoring system. During constructioof the disaster monitoring system， proper constru
中国目前工程塑料的产量较低，大部分需要进口，这对中国工程塑料的开发和生产提出了严峻的挑战。加速工程塑料的发展，是从事工程塑料研制、生产、成型加工等人员所面临的重要任务。正是基于这种考虑，我们参照外有关资料并结合自己的工作实践，编写了这本手册，以期能对中国工程塑料的发展作些微薄的贡献。 全书共分三篇，即篇总论，第二篇通用工程塑料和第三篇特种工程塑料。篇介绍了工程塑料的发展简史、技术开发动向、性能特点及测试方法、成型加工和应用领域等；第二篇介绍ABS类树脂、聚酰胺、聚碳酸酯类树脂、聚甲醛和改性聚甲醛、聚苯醚和改性聚苯醚、热塑性聚酯，以及超高分子量聚乙烯等通用工程塑料品种；第三篇介绍聚砜类树脂、聚酰亚胺、聚苯硫醚和改性聚苯硫醚、聚芳酯和改性聚芳酯、聚苯酯和改性聚苯酯、聚芳醚酮、液晶
This Specification was prepared based on Document TJS [2010] No. 241-TechnicaI Guide for Construction of High-speed Railway Track as per the requirements for establishing the engineering and construction standard system of CHINA RAILWAY，by summarizing the practical experience in high-speed railway projects that had been put into operation in earlier stage and the experience with CRTSIII slab track for Zhengzhou-Xuzhou High-speed Railway，Panjin-Yingkou High-speed Railway and Shenyang-Dandong High-speed Railway，absorbing the research results on CRTsrri slab track and extensively soliciting the opinions from different parties involved in construction and operationThis Specification prises 20 chapters， namely General Provisions， Terms， Basic Requirements， Construction Preparations， Setting-out of Construction Control Network，Construction of Ballastless Track Bed for CRTS I Slab Track，Construction of Ballastless Track Bed for CRTS II Slab Track， Construction of Ballastless Track Bed for CR
The guide is developed to unify technical requirements for the constructioof greecorridor for railways，for the purpose of stabilizing slopes，conserving water and soil，improving environment，preventing disasters and landscaping. The guide is applicable to the design，construction，quality inspectioand acceptance of greecorridor for new railway project and railway reconstructioproject.
