An industrial gas measuring device for the measurement of oxygen and methane.
说明：一款用于工业气体测量装置，用于氧器和甲烷的测量。
2
Use radon measurement to explore oil and gas, one have to improve the sampling device and test conditions.
测氡法在应用于油气勘探时，取样装置及测试条件均须改进。
3
The invention discloses a gas-liquid-liquid equilibrium data measurementdevice. An equilibrium still comprises three circulation loop structures for accelerating the circular mixing of fluid.