研究认为，酸化淤渣含有许多不饱和物质，胶质和沥青质的含量同原油差别较大。
Elemental analysis shows that the acid sludge formed contains more unsaturated substances and Fe than the original crude does.
根据实测地形和水文泥沙资料，分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data.
根据砂质海岸和粉沙质海岸地区港池和外航道的泥沙淤积的计算机理，确定了悬移质和推移质泥沙的计算公式与相关参数，分别对回淤量和骤淤量进行了计算。
The calculation formula and parameter of sediment siltation should accord with the arenaceous and silt coast condition. The back and sudden magnitude siltation quantity is calculated here.
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