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Comparative analysis of technical requirements for Heating,Ventilating,and Air Conditioning(HVAC)systems in high-biocontainment facility standards

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Biosafety and Health 2023年第1期5卷 1-7页

作者： Lei Liang Xinfang Hong Bing Lu Xuedong Yu Guoqing Cao Xin Feng Quan Zhou Yanqin Wang Donglai Wu Rong Wang China Academy of Building Research Co. Ltd.Beijing 100013China Second Medical Center of PLA General Hospital Beijing 100853China Academy of Military Sciences Beijing 100071China Guangzhou Laboratory Guangzhou 510320China Chinese Academy of Agricultural Sciences Harbin Veterinary Research Institute Harbin 150069China Tianjin Key Laboratory of Indoor Air Environmental Quality Control School of Environmental Science and EngineeringTianjin UniversityTianjin 300072China

In this study,standards of high-biocontainment facilities(including laboratories and large-scale production facilities)formulated by China and other countries were analyzed and compared,and the technical points and requirements for Heating,Ventilating,and Air Conditioning(HVAC)systems in different series of standards were *** main focus was on expounding the design and verification of the containment area’s indoor parameters,ventilation system,filter design,integrity test,fan standby,airflow pattern,and system *** study expects suggestions and opinions on the construction and development of biosafety facilities in China and the possible future revision of relevant national standards.

关键词： High-biocontainment facilities HVAC systems Standards technical requirements

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Discussion on Strengthening Design and Construction Technique of Simply Supported Girder Bridge

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International English Education Research 2013年第12期 13-15页

With deepening of domestic market opening up to the outside world and fast developing of domestic economy, many old bridges, especially the highway bridges constructed during 1960~1970, bear the heavy traffic loads, which made old highway strengthening project the very pressing task. In this paper, the reason why old bridge is damaged, the requirements for strengthening technology and construction plan for bridge strengthening are analyzed in detail, hopefully, there are some useful proposals provided for old bridge transforming.

关键词： highway bridge reason of damage technical requirements strengthening method

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