The relationship between organic matter decomposition and environmental or biological elements were analyzed with gray relationship analysis method.
采用灰色关联分析，使有机物分解与环境、生物因素的关系量化和序化，进行比较和分析。
Soil organic matter(SOM) is always a research focus in the soil and environmental science.
土壤腐殖物质一直是土壤学和环境学领域的研究热点。
Photo catalytic degradation of organic matter is thought as the most promising environmental control methods in the world.
光催化降解有机物已为世人公认为最有前途的环境治理方法。
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