In art conservation and restoration: Techniques of building conservation Weather may be penetrating through whole surfaces, such as porous brickwork, or finding its way through cracks or defects in the roofing. Especially vulnerable are gutters or any part of the rainwater-collecting system. Wet weakens walling, rots timbers, and spoils finishes. The remedy may involve… Read More
coal
In coal utilization: Moisture content Moisture content is determined by heating an air-dried coal sample at 105–110 °C (221–230 °F) under specified conditions until a constant weight is obtained. In general, the moisture content increases with decreasing rank and ranges from 1 to 40 percent for the various… Read More
hydrosphere
In Earth: The hydrosphere The resulting atmospheric moisture and humidity condense into clouds, rain, snow, and dew. Moisture is a crucial factor in determining weather. It is the driving force behind storms and is responsible for separating electrical charge, which is the cause of lightning and thus of Read More
pulpwoods
In papermaking: Mechanical or groundwood pulp …sent to grinders, where its moisture content is important for ease of grinding and quality of pulp. Moisture content should be at least 30 percent and preferably 45 to 50 percent. Wood of low moisture content is presoaked in a pond or sprayed with water. Read More
