Theories that petroleum is not formed by the transformation of organic matter in sediments have already been noted and are examined in more detail.
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。
Different shades of ocean color reveals the presence of differing concentrations of sediments, organic materials, or even phytoplankton-all of which can be measured by satellites.
海水颜色不同，可以反映出海底沉积物含量、有机质甚至浮游植物情况的不同，而所有这些变化用卫星都可以测出来。
The types of pollutants entering streams, lakes and oceans from such sources include organic wastes, other nutrients, toxic chemicals and other hazardous substances, heated water, and sediments.
进入河流、湖泊和海洋的污染物类型包括有机废料、其他营养物、有毒化合物和其他危险物质、热废水和沉积物。
Soils and sediments are the main final fate of organic pollutants.
土壤和沉积物是有机污染物的最终归宿之一。
Such a study provides a basis for understanding palaeoclimate shifts by investigation of organic carbon isotopic composition in the deep sea sediments.
从而为利用深海沉积有机质碳同位素组成研究古气候变迁提供了依据。
The ratio of nitrogen to phosphorus in the sediments indicates that the lake is in the state of eutrophication, and the organic roots possibly in the hydrophytes.
沉积物中氮磷比值表明湖水处于富营养化状态，有机物主要来源于水生植物。
Due to the neotectonic activation, Quaternary palaeo-valleys that incised the basement were formed on the basement granite and were filled with organic matter-rich clastic sediments and basalt crusts.
由于新构造运动的活化，在花岗岩基底上形成了第四纪侵蚀型古河谷，充填了富含有机质的碎屑岩和玄武岩壳。
Xiaochaidan salt lake sediments were studied in detail by means of geochemistry, especially organic geochemistry.
本文采用地球化学与有机地球化学方法详细研究了小柴旦盐湖沉积物。
For organic-poor(TOC<4%) sediments, pyrite was of syngenetic and diagenetic.
对于低有机质（TOC<4%）样品，黄铁矿由同生和成岩组分组成。
So the effect of organic matter on phosphorus release cannot be neglected, especially for the heavily polluted sediments.
因此不能忽视有机质对磷释放的影响，尤其是重污染的沉积物磷释放。
The organic index, used to evaluate pollution in the sediments, is 0.
运用有机指数评价底泥污染，为0。
The organic carbon isotopic composition of sediments has been widely used to reconstruct paleoenvironment.
沉积物中的有机质稳定碳同位素已经广泛应用于重建古环境。
The organic carbon isotopic composition of sediments has been widely used to reconstruct paleoenvironment.
沉积物中的有机质稳定碳同位素已经广泛应用于重建古环境。
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