... phthalic acid 酞酸，苯二酸酐 physical degradation 物理降解 physical property 物理性质，物理性能 ...
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soil physical degradation 土壤物理性质退化
physical and chemical degradation 物理和化学损害
physical properties degradation 物理退化
In this paper, the advances in research of chemical degradation, physical degradation and biodegradation were discussed.
本文介绍并评述了化学降解、物理降解和生物降解等壳聚糖降解方法的研究进展。
Globally, soil erosion, chemical deterioration and physical degradation are the important forms amongst various types of soil degradation.
土壤侵蚀、化学退化、物理退化是全球范围内最主要的退化形式。
The usual metaphor for this is "glacial", which is apt since the retreat of the glaciers (and polar ice caps) tells us the primary datum of the decade has been physical degradation of the planet.
它常被比喻为“冰川的”，这个词恰如其分，因为冰川(以及极地冰帽)的消退告诉我们，这个十年的首要情况，正是地球的自然界的退化。
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