水系沉积物元素迁移机理是区域化探方法的理论基础。
The migration mechanism of elements in stream sediments is the theoretics part of regional geochemical surveys.
过滤机理有悬浮颗粒的迁移机理、悬浮颗粒的吸附机理和脱落机理等。
The mechanism of filtration includes migration, adsorption, shedding of suspending grain, etc.
综合论述了混凝土在不同环境条件下水分迁移机理与理论模型，以及国外在该领域的最新研究进展。
This paper deals with comprehensively moisture transfer mechanism, theoretical model in concrete in different ambient conditions and the latest research progress.
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