当永冻层融化，其中的有机物质分解就会释放甲烷。
Methane is released when organic material in the thawing permafrost decomposes, which gradually releases methane.
此步骤将有机物质分解为可以使用的分子，例如糖。
This step breaks down the organic material to usable-sized molecules such as sugar.
在下降的过程中，这些有机物质可能会被吃掉、排出和分解，这样一来其营养价值就大大的降低了。
During its long descent, this organic matter may be eaten, excreted, and decomposed, drastically reducing its nutritive value.
这种细菌通过分解水中的有机物质，回收死去的有机物，起着至关重要的作用。
The bacteria also provide a vital role by breaking down organic material in the water and recycling dead organisms.
细菌分解有机物质，释放二氧化碳，正如他们工作也会吸收氧气。
Bacteria break down the organic material, releasing carbon dioxide, but absorbing oxygen as they work.
根据腐殖质与矿物质土壤的结合程度、分解作用中所含的有机物类型以及原有的植被，腐殖质可区分为几个类型。
Humus is classified according to how well it is incorporated into the mineral soil, the types of organisms involved in its decomposition, and the vegetation from which it is derived.
城市固体废弃物(MSW)在填埋处理时，甲烷菌将使废弃物中的有机物质发生厌氧分解，从而会有甲烷排放到大气中。
The organic material will be anaerobic decomposed by methane bacteria when municipal solid waste (MSW) is processing in landfills, thus methane will be emitted to the atmosphere.
随着分解为营养物的有机物质总量的增加，这种生态系统的生产力或肥沃度也增加。
The productivity or fertility of such an ecosystem increases as the amount of organic material that can be broken down into nutrients increases.
有效分解水体中的多余有机物、氨、氮、磷等物质，达到净化水质的目的。
Decompose unnecessary organic matters, such as ammonia, nitrogen, phosphorus, to achieve the purpose of purifying water quality.
绿肥分解产物中的水溶性有机物质的峰数和电流值随绿肥培养时间和种类而异。
Both the peak number and peak current value of water-soluble organic substances for decomposition, products of green manures varied with the incubation time and also with the kind of green manures.
腐烂有机物质由于细菌的活动而受到的破坏或分解；
The destruction or decomposition of organic matter as a result of bacterial or fungal action; rot.
作为生态系统重要组成部分的土壤微生物，参与土壤中复杂有机物质的分解和再合成，促进C、N、S、P等的循环。
As an important component of the ecosystem of the soil microbes, involved in the complex of soil organic matter decomposition and re-synthesis, the promotion of c, n, s, p, etc. cycle.
作为生态系统重要组成部分的土壤微生物，参与土壤中复杂有机物质的分解和再合成，促进C、N、S、P等的循环。
As an important component of the ecosystem of the soil microbes, involved in the complex of soil organic matter decomposition and re-synthesis, the promotion of c, n, s, p, etc. cycle.
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