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The variation of moisture during sewage sludge bio-drying was investigated. In situ measurements were conducted to monitor the bulk moisture and water vapor, while the moisture content, water generation, water evaporation and aeration water input of the bio-drying bulk were calculated based on the water mass balance. The moisture in the sewage sludge(More)
The properly combination of spectrum technology and navigation technology is an important research field. Through the collection and display of image, data processing, analyzing and so on, we provide enough accurate navigation information and realize the route sensing location at the situation that there is no ground control point or only a few. Begin with(More)
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