The origin and effusing pattern of gas at fully mechanized face with caving of roof coal in the inflammable coal seam,spile-drainage methods in mined area were introduced briefly,the experiences can be used for reference for gas drainage in the similar condition.
简要介绍了易燃煤层综放工作面瓦斯来源及涌出规律、采空区插管抽放工艺等,为类似条件下的抽放瓦斯工作提供了借鉴。
Examination method of independent lighting rod in flammable and explosive place;
易燃易爆场所独立避雷针检测方法
For the fire accident in the flammable materials transportation,two-phase-coupled Eulerian-Lagrangian model and particle stochastic model are established,and a numerical simulation of fire accident of leakage of the truck filled with liquefied propane in tunnel is conducted based on the component mixture fraction model.
该文以易燃物质运输中的火灾事故为研究对象,建立相间耦合的Eulerian-Lagrangian模型和颗粒随机轨道模型。
Inflammable liquid(in vapor state)in the vessel or bag was adsorbed on the PA(ester of polypropenoic acid)fibre through syringe needle of the SPME installation for 5-10 min.
将从火场残留物中所取得的样品置于密封的金属罐或塑料袋中,置于烘箱中在80℃加热20～30 min,在固体微萃取装置中用聚丙烯酸酯纤维通过针头将密封容器中的易燃液体(此时已成气态)吸附,吸附时间为5～10 min,然后将易燃液体从纤维上解吸并进样于气相色谱仪器中,按预定的条件进行气相色谱-质谱分析。
Analysis of test standards for the flammability of textiles in American;
美国纺织品易燃性标准分析
Interpretation of BS 5852 for flammability assessment of upholstered seating textile;
对座椅织物易燃性能评价标准BS 5852的解读
The flammability of fresh leaves of 10 woody species in central Yunnan Province was evaluated by means of comparing the difference between the heat released from the burning of fresh leaf extracts and the heat consumed by water evaporation from the same extract of fresh leaves.
以鲜叶中抽提物燃烧释放出来的热量与水分蒸发所消耗的热量之差作为易燃性评判指标,评出了滇中10种木本植物鲜叶易燃性强弱的顺序:蓝桉>冲天柏>华山松>云南松>茶>黑荆>旱东瓜>栓皮栎>山合欢>川梨。
Tower tubular steel structures were demolished by directional blasting under the environment of easy combustion and explosion.
介绍了用线型聚能切割技术定向爆破拆除易燃易爆环境下高耸筒形钢结构物的成功经验。