Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractiveindex detection.
石油产品。中间馏分产品中芳香烃类的测定。用折射指数检测的高性能液相色谱法。
2
We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractiveindex modulation sensor.
我们提出采用光学双稳装置来稳定光源输出功率,并将它用于折射率调制型光纤传感器测量液体浓度的实验中。
3
The experiment method of measuring refractiveindex of transparent liquid with spectrometer is improved.