释义 |
knop's solution \ˈnäps-, kəˈnōps-\ noun Usage: usually capitalized K Etymology: after J. A. L. W. Knop died 1891 German chemist : a nutrient solution used in growth experiments with higher plants and containing definite proportions of calcium nitrate, potassium nitrate, magnesium sulfate, monobasic potassium phosphate, and potassium chloride dissolved in water |