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火场胶合板热解燃烧特性热重模拟试验研究
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科技导报 | 研究论文 2011, 29(34): 27-30
火场胶合板热解燃烧特性热重模拟试验研究
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岳海玲
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    中国人民武装警察部队学院消防工程系,河北廊坊 065000
Simulation of the Characteristics of Pyrolysis and Combustion on Typical Fire Scene of Plywood by Thermogravimetric Analysis
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出版时间: 2011-12-08 doi: 10.3981/j.issn.1000-7857.2011.34.003
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火场可燃物热解燃烧过程是火灾的初始阶段,直接控制着火过程。本文采用热重分析仪,通过中途变换气氛对胶合板在火场中的热解燃烧行为进行了热重分析和差热分析研究。结果表明,在胶合板的第1热解阶段结束前变化气氛对热解过程影响不大。在第2热解阶段将空气变为氮气后,胶合板热解失重趋势立即沿氮气气氛下趋势进行;将氮气变为空气后,热解迅速加快,最终失重率与空气气氛下相同。
火场  /  胶合板  /  热解燃烧  /  热重分析
Pyrolysis and combustion process of combustible materials is the initial stage of fire, which has greatly influence on the development of fire. Through changing atmosphere in the halfway, the pyrolysis and combustion properties of plywood were studied by using a thermogravimetric analyzer in nitrogen under constant temperature conditions. The result indicates that effect of transforming atmosphere on the pyrolysis is little before the end of the first stage of plywood pyrolysis. In the second phase of plywood pyrolysis, atmosphere changing from air to nitrogen, the trend of weight loss is along with the trend of nitrogen atmosphere. After changing from nitrogen atmosphere to air atmosphere, pyrolysis rapidly accelerates, and final rate of weight loss is the same as that in air atmosphere.
fire scene  /  plywood  /  pyrolysis and combustion  /  thermogravimetric analysis
岳海玲. 火场胶合板热解燃烧特性热重模拟试验研究. 科技导报, 2011 , 29 (34) : 27 -30 . DOI: 10.3981/j.issn.1000-7857.2011.34.003
YUE Hailing. Simulation of the Characteristics of Pyrolysis and Combustion on Typical Fire Scene of Plywood by Thermogravimetric Analysis[J]. Science & Technology Review, 2011 , 29 (34) : 27 -30 . DOI: 10.3981/j.issn.1000-7857.2011.34.003
2011年第29卷第34期
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doi: 10.3981/j.issn.1000-7857.2011.34.003
  • 接收时间:2011-08-15
  • 首发时间:2011-12-08
  • 出版时间:2011-12-08
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  • 收稿日期:2011-08-15
  • 修回日期:2011-11-09
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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