Multistep Forging Forming and Temperature Field Couple Analysis of High Strength Bolt

High strength bolt connection design of steel structure in petrochemical plant

石油化工装置钢结构梁柱高强螺栓连接设计

Caisson Jointing Construction Over Water On steel structural high-strength bolt jointing construction

沉箱水上接高施工钢结构高强螺栓连接施工

Finite Element Modeling of Extended or Flush End-plate Connections with High Strength Bolts

高强螺栓延伸/齐平端板连接节点的有限元模拟

By means of hot-spot method we analyze the root of screw of high-strength bolt. Besides, on the basis of analysis above, amendment Miner ruler and mechanics of fracture respectively are adopted to study its fatigue life estimation.

另外，采用修正Miner法则和断裂力学方法对40Cr高强螺栓的疲劳寿命进行估算，同时引热点应力法对40Cr高强螺栓螺纹根部进行应力分析。

Analysis of fracture causes of high strength bolts

高强螺栓断裂原因分析

Wastewater treatment and environment protection have been tested, the results show that the effluent can steadily reach the standard of wastewater discharge for Ore-dressing plant and of irrigation for farmland.

本课题还进行了污水处理及环保试验研究，所得清水测定结果完全符合选矿厂洗矿水排放及农田灌溉水质标准。

Thirteen geothermal wells were investigated in Fuzhou area and xiong county. The most content of physical and chemical parameters in geothermal water can meet the hygienic standard for drinking water, aad standard of water quality for farmland irrigation.

对福州和雄县13眼地热井的调查结果表明：地热水中多数指标的含量符合生活饮用水和农田灌溉水质标准；

Even if in the circumstance of stabilized sewage sludge with soil at 1:1 ( V/ V), the content of this four kinds of heavy metal in infiltration still did not exceed the criterion of water quality in farm irrigation.

即使在粉煤灰钝化污泥与土壤以1：1体积比的高施用量情况下，其渗滤水中这四种重金属的含量仍未超过农田灌溉水质标准。

The industrial solid waste discharge was 28.938 million tons, 9.2 % over the previous year.

工业固体废物排放量为2893.8万吨, 比上年减少9.2%.

Mine solid wastes and acid wastewater in resources exploitation have become two major environmental pollutions.

矿山固体废物和酸性废水已成为矿山资源开发过程中的两大环境公害.

On the other hand, abundant natural resources lose because of the recycle system.

而另一方面, 固体废物不能有效地回收利用,这是对有限自然资源的一种严重浪费.

The import of solid wastes as listed in the catalogue of import forbidden shall be forbidden.

禁止进口列入禁止进口目录的固体废物.

Solid wastes and acid water caused heavy mental enriched in soil surrounding mine.

矿山固体废物和酸性废水导致矿区土壤中富集大量的重金属.

Tightening solid wastes control?

加强固体废物管理.

Prime Minister Narendra Modi recently launched a national Air Quality Index, or AQI, which will monitor pollution levels in major urban cities on a real-time basis.

总理纳伦德拉·莫迪最近建立了一个国内的空气质量标准，简称AQI，将实时监控主要城市的空气质量。

Air quality standard and calculation method of designed ventilation rate in underground vehicle passages

地下机动车道空气质量标准和设计通风量计算方法

Comparing with current indoor air quality standards, indoor air quality evaluation could be conducted.

结合我国现行室内空气质量标准，对室内空气品质予以评价。

Therefore, many developed countries ( for example the US, Europe and Canada and so on) take BTEX in the atmosphere as the routine monitoring content, and has stipulated its strict air quality standard.

许多发达国家（如美国、欧洲和加拿大等）已把大气中BTEX作为常规监测内容，并规定了其空气质量标准。

That provides for the implementation, maintenance, and enforcement of the national air quality standards.

它为贯彻、维护、并执行国家的空气质量标准作准备。

The policies it suggests include incentives for cleaner technologies, and tougher standards for air quality, automobile emission and fuel quality standards.

其建议的政策包括：鼓励发展清洁技术，更严格的空气质量标准、汽车尾气排放标准以及燃料质量标准。