Numerical Simulation Analysis of Safe Cover Thickness of Underground Cavity

1、

Correlation Theory on Environment Design of Underground Cavity

地下空间环境设计的有关理论

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2、

The optimization analysis of the boring method for the large section underground cavity

大断面洞库掘进方案优化分析

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3、

Optimization Design of Form of Fracture in Underground Cavity

地下洞室断面形状优化设计的研究

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4、

In high-rise and high-density urban areas, street canyons are not only the major wind path of the city but also the basic unit of urban wind research.

高层高密度地区中，街道峡谷是城市通风的主要风道，同时也是高密度地区风环境研究的基本单位。

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5、

Some differences of wind field between the city proper and the suburbs of Shanghai are discussed in this paper.

城郊下垫面结构的不同，造成了城郊风场上的差异，本文探讨了上海城市对近地面风场的影响。

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6、

The Elementary Exploration of Exploiting Wind Energy in DaLi City

大理市风能开发初步探讨

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7、

Correlation Analysis of the Industrial Reasonable Layout and the Wind Direction on Laiwu City

莱芜市工业合理布局与风的相关分析

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8、

Characteristic of the Urban Boundary Layer Under Strong Wind Condition in Beijing City

大风天气下北京城市边界层阵风结构特征

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9、

Study on Some Features of the Wind Field in Shanghai City

上海城市近地面层风场特征的初步研究

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10、

Time-Space Changing Character of Low-Level Wind in Lanzhou City and Its Correlation with Air Pollution

兰州市低空风时空变化特征及其与空气污染的关系

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11、

Analysis of a weather process of storm rainfall and strong wind over Zhoushan City in winter

舟山市一次冬季暴雨、大风天气过程分析

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12、

The interaction and problem between urban layout and feature of wind in Kunming City

昆明城市布局与风象的关系及问题研究

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13、

Research on the Utilization of the Wind Energy among city highrises

城市高层建筑群风能利用的研究

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14、

The plan grasps the key city factors of wind and water and manages to find the cutting point for the harmony between city and nature, and three themes of" water and nature"," water and city", and "water and culture" are formed.

方案以城市关键词凤、水为主，找寻城市与自然和谐的切入点，形成“水与自然”、“水与城市”、“水与文化”3大主题。

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15、

Hailey was recently sent a letter by the U.S. Patent& Trademark Office asking her to submit her proof, it was claimed.

据称，美国专利商标局最近给海莉发了一封要求她提交证据的信函。

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16、

Pfizer spokesman said Thursday the company is awaiting a letter from the patent office explaining the decision.

辉瑞发言人说周四公司等待着专利局的对这一裁决的解释信。

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17、

The paper analyses the problems of existing flat gate valve used in dense-medium system pipeline and introduces anti-friction qualities and functions after improvement.

分析了重介质系统管路中平板闸阀存在的问题，介绍了改进后的耐磨特点和性能。

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18、

Characterization and Anti-friction Behaviors of FeS Coating

溶胶-凝胶FeS涂层的表征与减摩行为研究

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19、

A alloy of tin with some copper and antimony; an anti-friction lining for bearings.

含锡和一些铜、锑的合金，用作轴承防摩擦衬垫。

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20、

The results show that the sprayed FeS coating possesses the remarkable properties of anti-friction and wear-resistance.

结果表明，固体润滑硫化亚铁喷涂层具有优异的减摩、耐磨性能。

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