The massloss of ablative material caused by physical, chemical and mechanical factors under high temperature affects properties of the material.
烧蚀材料在高温环境中因物理、化学和力学因素造成质量损失，影响其性能。
2
This paper discusses in detail the problem on the massloss and endothermic mechanism for charring material.
详细讨论了低温炭化材料的质量损失和吸热机理。
3
A method of stepped-diameter design for pneumatic conveying pipelines, as well as relationship among pressure loss, ratio of material to air, and mass flow rate of materials etc.