density standard calibrating method [物] 密度基准定度法
Fitting orthogonal polynomial method for characterizing the functional relationship between the dry density and moisture content of earth-fill in standard compaction test is presented.
提出了描述标准击实试验中土料干密度和含水量之间函数关系的拟合正交多项式方法。
RZ50 Table Top Milk Centrifuge is used for standard physiochemical test on the relative density and fat volue of milk products with the method of gerber and yinihupfu.
RZ50用于盖勃氏法和伊尼霍夫氏碱法对乳及乳制品的相对密度和脂肪进行标准的理化检验。
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