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температура размягчения по методу кольца и шара (The ring-and-ball softening point is defined as the temperature at which a disk of the sample held within a horizontal ring is forced downward a distance of 1 in. (25.4 mm) under the weight of a steel ball as the sample is heated at a prescribed rate in a water or glycerol bath. Miyer) | |||
температура размягчения по кольцу и шару | |||
точка размягчения битума, определяемая по методу "кольца и шара" |
ring-and-ball softening point: 2 短语, 1 学科 |
大规模杀伤性武器 | 2 |