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通过实验以及查阅相关文献资料分析了使用恒温水浴的必要性以及恒温水浴对原油密度测定的影响。阐述恒温水浴未能使油样达到全浸状态时对原油密度测定的影响;恒温水浴控温精度不够对原油密度测定的影响;恒温水浴孔径与量筒外径不相匹配对原油密度测定的影响;恒温水浴没有循环系统对原油密度测定的影响。
The necessity of using a constant temperature water bath and the effect of the constant temperature water bath on the density determination of the crude oil are analyzed through experiments and consulting related literature. The effect of constant temperature water bath on the measurement of crude oil density when the oil sample failed to reach the state of full immersion was discussed. The effect of temperature control precision of water bath on the determination of crude oil density was not enough. There is no effect of the circulation system on the density determination of crude oil in the water bath.