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。
In the last two years, an accounting analysis has been made of physical quantification of environmental pollution, imputed treatment cost and the environmental degradation cost for 42 industries.
在过去的2年中，一份分析账户已经形成，它由42个产业所造成的环境污染，治理费用和环境退化的实质定量而组成。
The reasonable wastewater treatment process which was combined by physical separating such as oil-fat captured reactor and air-floating and biological process(SBR) degradation.
针对污水排放标准要求，选择合理的物理（油脂捕集器，气浮）分离、和生物（SBR）法降解相组合的污水处理工艺。
It may be concluded that principal reactions between the hydrazine fuels and clay are physical absorption and chemical degradation.
肼类燃料在土壤环境中与粘土的作用最强，主要存在着物理吸附与化学降解两个方面。
The garlic residues were treated by biological degradation and physical method. A series of new products, such as compound seasoning and health vinegar etc.
通过对蒜渣进行生物降解和物理方法处理，研制出系列新产品如上合蒜香调味料、蒜香苹果醋等。
The garlic residues were treated by biological degradation and physical method. A series of new products, such as compound seasoning and health vinegar etc. , were produced.
通过对蒜渣进行生物降解和物理方法处理，研制出系列新产品如上合蒜香调味料、蒜香苹果醋等。
The degradation of purple soils is able to classified into physical, constitutional and ndtriental degradation according to some micro- morphological features.
根据土壤退化的某些微形态诊断特征，将紫色土退化问题归纳为土壤物理性退化、土壤构造性退化和土壤营养性退化等类；
The indoor formaldehyde degradation method is introduced. The effect of physical sorption, photocatalysis were measured experimentally.
介绍了室内甲醛降解的主要方法，实验测量了物理吸附、光催化等对甲醛的降解效果。
As the outdoor atmospheric conditions and the degradation of the image are inseparable, analysis of light transmission occurs during the physical process of scattering and attenuation.
由于户外图像的退化与大气状况密不可分，分析了光在传输的过程中发生散射和衰减的物理过程。
The physical validity based lossy compression algorithms are usually accompanied with VOP structural distortion, leading to the degradation of the reconstructed image quality.
基于物理真实的有损压缩往往伴随有VOP结构形变，导致重构图像质量下降。
When the rapeseed is proceeded by combining physical grinding with enzymatic degradation, the molecule of oil will disperse into aqueous phase and form the emulsified oil.
油菜籽经机械破碎与酶解处理后，油脂分子从菜籽细胞内分散到水相中，形成乳化液。
As awareness of environmental degradation has increased, so has the realization of the complexity of interconnected webs of relationships among organisms and the physical and chemical environment.
随着对日益恶化的环境的关注，人们也认识到了有机体与物化环境之间那种相互联系又错综复杂的关系。
The thermal stress, variations of mineral formation and microstructure due to the temperatures result in the variation of physical and mechanical properties and degradation of limestone.
温度引起的热应力作用、矿物组分和微结构变化导致石灰岩物理力学性质发生改变与高温劣化。
The results indicated that the degradation process by the constructed wetlands was the synergistic effects of physical, chemical, and biological processes.
人工湿地对污染物的降解是由物理、化学和生物及其协同作用的过程。
In this paper, we studied physical and chemical properties about red currant pigment. The results showed : the thermal degradation of red currant pigment was very low;
本试验研究了红穗醋栗色素的理化性质，结果表明：红穗醋栗色素热稳定性很好，而光照对其有一定的降解作用。
The ultra high pressure physical energy could lead to the isomerization of all-trans-carotenoids or the degradation to some small molecular fragments.
超高压处理可使全反式类胡萝卜素异构体发生顺式异构化，甚至降解为小分子片段。
The ultra high pressure physical energy could lead to the isomerization of all-trans-carotenoids or the degradation to some small molecular fragments.
超高压处理可使全反式类胡萝卜素异构体发生顺式异构化，甚至降解为小分子片段。
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