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单词 van der waals equation
释义 van der waals equation
noun
Usage: usually capitalized W
Etymology: after Johannes D. van der Waals died 1923 Dutch physicist
: an equation that defines the physical state of a homogeneous gas, is a modification of the ideal-gas equation, and more nearly describes the properties of actual gases: (p+(a/v²)) (v-b)=RT where p is the pressure, v the specific volume, R the gas constant, T the absolute temperature, and a and b are constants depending respectively on the cohesion between the molecules and the volume occupied by the molecules — compare gas law c
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更新时间:2024/11/12 13:36:10