The present paper reviews the regularity of organic matter accumulation, soil clogging mechanisms as well as the methods of avoiding soil clogging in constructed wetlands.
论述了人工湿地系统中有机物积累规律、土壤堵塞机制以及避免系统堵塞的措施。
Becsause the accumulation rate is so slow, millions of times slower than the rate which we know dig up these organic matter and burn it for energy.
由于累积速度比较慢，在这几百万年中的累积速度比我们所知道的把这些有机物质挖出来或者燃烧他们做燃料的速度还要低。
It suggested that soil TOC accumulation in plantations was closely related to stability of organic matter and quantity of soil microbes.
因而，人工林土壤有机碳积累水平与土壤有机碳的稳定性及表层土壤微生物量有关。
Soil organic matter is the major factor to influence the accumulation of heavy-metal elements.
土壤有机质是影响重金属积累的主要因素。
Soil organic matter is the major factor to influence the accumulation of heavy-metal elements.
土壤有机质是影响重金属积累的主要因素。
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