Sintering and melting ofcoal ash is a key process of ash deposition in furnace of utility boilers. Melt structure characteristics is a determining factor in deposit growth and strength development.
煤灰的烧结和熔融是电站锅炉灰沉积的重要过程，熔体的结构特性是沉积物生长和强度形成的决定性因素。
2
The early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore, estuarine delta facies, lacustrine facies and slough facies.
蔚县煤田早中侏罗世含煤沉积，主要由河流或湖滨河口三角洲相、湖泊相、泥沼相组成。
3
The study on the deposition system would be the premise and base of the coal exploration, based on the closed relationship between the coal resources and the deposition system.