After immersing the gold omaments in a testing solution of organic solvents, the density of the gold omaments can be calculated from the change of weight due to buoyancy force.
通过测定黄金首饰在测量液中的浮力后计算密度再查表而得。
After immersing the gold omaments in a testing solution of organic solvents, the density of the gold omaments can be calculated from the change of weight due to buoyancy force.
通过测定黄金首饰在测量液中的浮力后计算密度再查表而得。
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