单词	undersaturated
释义	undersaturated /ˌʌndəˈsatʃʊreɪtɪd / adjective technical Falling short of being saturated with a particular constituent: corrosion takes place adjacent to pore spaces as the result of flushing by undersaturated pore fluids... To determine whether the water is supersaturated, saturated, or undersaturated with respect to the minerals present, a complete water analysis must be done, and the temperature and pressure of the environment must be known. On average, the water column of Lake Superior is undersaturated with respect to dissolved oxygen and supersaturated with respect to carbon dioxide during the summer-stratified period. Transfer of oxygen from the atmosphere into natural waters will occur when the water is undersaturated with oxygen. Derivatives undersaturation noun ... Contrary to studies elsewhere, however, we found that the degree of oxygen undersaturation increased with lake trophic status, expressed either as total phosphorus or nitrogen concentrations.
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