Biomass combustion process is mainly concentrated on the burning of volatile combustion in the early stage, while coal combustion process focused on the burning of fixed carbon in the later stage.
生物质燃烧过程主要集中在燃烧前期的挥发分燃烧阶段，煤燃烧过程主要集中在燃烧后期的固定碳燃烧阶段。
2
The principle and structure and characteristics of pulse combustion boiler and its application and research in oilfield concentrated transmission system were introduced.
介绍了脉动燃烧加热炉的原理、结构、特点及其在油田集输系统中的应用情况。
3
Reversed squish is mainly concentrated at edge of combustion chamber bowl.