未离心多细胞数量的镜检定量能较准确反映沉渣有形成分的实际浓度。

The quantitative analysis of uncentrifuged samples in a larger scope with microscopy can reflect the actual concentration of formed elements in the sediments more accurately.

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同时，对在稀释浓度和实际浓度条件下测定污泥指数的两种方法进行了分析比较。

Two methods determining the sludge volume index under diluting sludge concentration and practical sludge concentration are analysed and compared.

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如果以现有的水平继续消耗化石燃料，二氧化碳浓度翻倍会在未来的一两个实际的某个时期发生。

If present rates of fossil-fuel consumption continue, the doubling of carbon dioxide from fossil fuels will occur sometime within the next century or two.

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