In exploration period of hydrocarbon reservoir, oil density, viscosity and saturation can be determined using geo-chemical pyrolysis data.

油藏勘探阶段，利用录井地化热解资料可以准确地求取原油粘度和含油饱和度。

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This instrument is based on definite weight, independent of fuel density, viscosity, impurities and ambient temperature.

本仪器采用定重量法，不受燃油密度、粘度、杂质含量、环境温度等影响。

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The experiments were carried on the synthesized diester-based magnetic fluids to characterize their saturation magnetization, density, viscosity, stability and the diameter of particles.

并对制得的二酯基磁性液体饱和磁化强度、密度、粘度、稳定性和粒子直径等性能参数进行表征实验。

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Light crudes have low wax content, with lower density and API viscosity.

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Heavy crudes (high wax content, high API viscosity, high density) cannot be refined efficiently by refineries geared to refine light crudes and vice versa.

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Sweet light crude oil yields the most gallons of gasoline per barrel of oil and since it has low viscosity and low density, it is comparatively inexpensive to pump, transport, and refine.

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