| 摘要 |
FIELD: analyzing or investigating materials. ^ SUBSTANCE: method comprises measuring density of gasoline, dielectric permeability of gasoline at the first frequency, measuring absorbing of acoustical energy in gasoline, measuring specific conductivity of gasoline and dielectric permeability at the second frequency, determining the ratio of the values of dielectric permeability for two different frequencies, temperature correcting of the parameters measured, and calculating the octane number with the use of a calibration model. ^ EFFECT: enhanced precision. ^ 2 dwg |
