Compared with the testing result of densimeter method, it is shown that the testing result of microscopic image analysis method is credible.
与比重计法测定结果的对比分析表明，显微图像分析法是可靠的。
Three conventional methods for measurement of petroleum density are described in the present paper. They are pycnometer method, hydrometer method and digital densimeter method.
本文介绍了三种测定石油密度的方法，传统的密度计法和密度瓶法及现代的数字密度计法。
This method provides a simpler, more accurate and reliable way to calibrate densimeter on the spot.
本方法为核密度计的现场率定提供了一种简便易行、准确可靠的新途径。
This method provides a simpler, more accurate and reliable way to calibrate densimeter on the spot.
本方法为核密度计的现场率定提供了一种简便易行、准确可靠的新途径。
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