迁移机理 meaning in English

transport mechanism

The preventive treatments of the frost heaving of lining canals in seasonal frozen soil areas
季冻地区路基中的水分迁移机理及处理措施
The corresponding mathematic models are also established based on their own conceptual models
通过对每种模型核素迁移机理的分析得出概化模型，并给出了相应的数学描述。
But there are still many problems of landfills in practice , e . g . the isolation and safe - contaminant systems of landfill . on the basis of the theory of contaminant migration in clay , the geoenvironmental characteristics of clay and their effects on the effectiveness of clay liners in landfill are studied in this thesis
针对目前国内在填埋场防污技术中普遍存在的问题，本文基于垃圾填埋场渗滤液中污染物在粘土中的迁移机理，系统地研究了衬垫中粘性土的环境土工特性，及其对垃圾填埋场衬垫防污性能的影响。