Effects of fluctuating temperature of gas flow on the instantaneous devolatilization rate of pulverized coal particle 气流温度脉动对煤粉颗粒瞬时热解挥发速率的影响
2.
N2 - rich inclusions were first founded in ore area ; it may form by upper mantle or lower crust material during oxidation - devolatilization reactions 铁矿体被铜矿体包围,铁矿石被铜矿细脉穿插,说明铜矿化的形成晚于铁矿化。
3.
The characteristics of the reactive extrusion synthesis technique of poly ( lactic acid ) ( pla ) and the devolatilization technique for pla are introduced , and the key point and influence factor of the devolatilization in during the synthesis by reactive extrusion are analyzed 摘要主要介绍了反应挤出合成聚乳酸的技术特点和脱挥技术应用;分析了反应挤出合成过程中脱挥处理的关键点和影响因素。
4.
The application of molecular distillation in the purification of sensitive organic chemicals , concentration of foods and pharmaceuticals , resource recovery and devolatilization of viscous products are presented and the domestic status of molecular distillation is introduced 摘要介绍了分子蒸馏技术在热敏性有机化合物的提纯、食品和药物的浓缩、资源回收、产品的后处理等方面的应用现状和我国的发展情况。
5.
A kinetic characteristics algorithm of furnace combustion based on steady state is established , and a dynamic mathematical model of 450t / h cfb boiler made in china is developed in this paper . the model not only integrates the update theories and results of previous studies on the partial aspects , but also considers the main process in cfb boiler including flow , coal distribution , devolatilization of coal , char combustion , heat transfer and so on , and further improve the existing model of combustion kinetic characteristics 本文以国产450t h循环流化床电站锅炉为研究对象,在前人对循环流化床内部各种单独过程及模型化研究成果的基础上,深入考虑了燃煤粒径分布、流动、挥发分释放和燃烧、焦炭燃烧、传热等循环流化床内部进行的主要过程,进一步完善了炉内燃烧动态特性的数学模型。