有机沉积物 organic sediments ; organic deposits ; organic deposition
海洋沉积物中的有机物 Organics in Marine Sediment
沉积物有机岩相学 [岩] sedimentary organic petrography
沉积物有机地球化学 [地化] organic geochemistry of sediments
有机物可能会进行部分分解，并耗尽沉积物中的溶解氧。
The organic matter may partially decompose, using up the dissolved oxygen in the sediment.
石油由原油和天然气组成，它们似乎来源于海洋沉积物中的有机物质。
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.
石油并不是由沉积物中的有机物转化而来的理论已经引起人们的关注，并在许多细节问题上得以证实。
Theories that petroleum is not formed by the transformation of organic matter in sediments have already been noted and are examined in more detail.
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