应该有部分原油渗入沙中，并和沙一起沉淀最终合成一体。 它们在被水风化或被海岸巡逻队探测到之前都会淹没在水中。
Some of it became entrained with sand and the sediment coalesced into mats that will stay submerged until they are weathered by the water or spotted by the Coast Guard.
以氯唑沙宗为内标，血浆样品以蛋白沉淀法处理。
The analytes were extracted by protein precipitation, using chlorzoxazone as internal standard.
淤泥清除设施、渠道及沙井应进行保养，而沉淀的淤泥和砂砾应定期清除。
Silt removal facilities, channels and manholes should be maintained and the deposited silt and grit should be removed regularly.
应用推荐