实验结果为进一步研究喷气燃料中的悬浮物来源和机理奠定了基础。
This study provides the basis for further studies on the origin and mechanism of suspended matter.
本文阐述了重金属镉对植物和人体危害的机理，描述了土壤镉的主要来源，并开展了城郊及矿山周围土壤镉污染现状调查。
This article depicts hazard mechanism of cadmium to plant and human, main sources of cadmium in soils, and investigations on cadmium pollution in city-outskirts and around mines.
本文还讨论了铀、钍的来源、搬运形式和沉淀机理。
The sources, forms of transportation and precipitation mechanisms of uranium and thorium are also discussed in this paper.
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