Thus, highpressure extracted lignin could directly be converted to fusible materials, unlike kraft lignin requiring chemical modification.
因此，高压萃取木质素可不必像硫酸盐木质素那样经化学修饰才有可能转化为可熔材料。
2
The cause, content and effect of energy saving modification of high-pressure wasted-heat boiler in Anqing Petro-Chemical Plant is described in the paper.
简述安庆石化厂合成氨装置中高压废热锅炉系统改造的原因、内容及改造后的节能效果。
3
The device thoughts and modification progress that modified one cylinder with highpressure, condensing steam turbine to a extraction and supplying heater ones are introduced.