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送风对中庭烟气温度的影响 被引量:2
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作者 王继梅 肖勇全 +3 位作者 李建国 袁庆涛 李悦敏 薛永明 《节能》 2007年第8期30-32,共3页
通过理论计算,得出无喷淋中庭火源上的火焰气流各分区的烟气温度和速度随中庭高度变化曲线。在模型中庭内开展了一系列的送风发烟实验,并将自然状态下的实验结果与理论结果进行了比较,结果表明在紊流区两者相差不大。
关键词 送风 模型中庭 烟气温度
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中庭模型火灾实验中烟气充填特点的研究 被引量:3
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作者 钟海军 郑洁 +2 位作者 胡斌 付祥钊 陈东兴 《消防技术与产品信息》 2001年第7期48-50,共3页
本文探讨了中庭模型火灾实验中的烟气的温充测试及其分布 ,以及由此结果得出的关于烟气填充、烟气分层现象等运动规律。
关键词 中庭模型 温度分布 烟气填充 分层
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Factors Influencing the Grazing Management Styles of Settled Herders: a Case Study of Nagqu County, Tibetan Plateau, China 被引量:5
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作者 HUA Xiao-bo YAN Jian-zhong +3 位作者 LIU Xiang WU Ying-ying LIU Lin-shan ZHANG Yi-li 《Journal of Mountain Science》 SCIE CSCD 2013年第6期1074-1084,共11页
The implementation of pasture contracting policies in the Tibetan Plateau has been of widespread concern in the scientific community and related government departments. Studying the effects of the implementation of pa... The implementation of pasture contracting policies in the Tibetan Plateau has been of widespread concern in the scientific community and related government departments. Studying the effects of the implementation of pasture contracting policies will help us understand herders' attitudes toward those policies and to amend existing policies effectively.This paper analyzes 135 herder families' grazing management behavior using participatory rural appraisal(PRA), quantitative analysis and a Logistic regression model in three townships of Nagqu County in remote areas of the Tibetan Plateau, China. The results show that the herders have become settled and are no longer nomadic, so the settlement project has basically been completed and the policy of contracting for grazing rights is being gradually implemented in Nagqu County. Since the grazing rights and pastures were under contract, group-based management has been widely accepted in this area, which helps the herders deal with constraints, such as limited pasture area, a small grazing radius, controlled family animal husbandry and an uneven distribution of water. The herders that have more family members available for labor, higher proportion of family members with good health, and higher income from animal husbandry tend to choose household-based management.Herders tend to choose group-based management when higher quality winter pastures are available. 展开更多
关键词 Pasture contract Nagqu County Settledherders Participatory rural appraisal Tibetan Plateau
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