The paper analyses the causes of the optics path difference which come from the twocoherent lights that arc produced by interference system of the optics coal gas analyzer and re-searches the formation causes of the interference fringes and the interference types.
本文从对光学瓦斯检定器干涉系统两相干光光程差产生原因的分析，探讨其干涉条纹的成因和干涉类型。
Mcluckie gas detector
麦露奇型瓦斯检查器
As soon as the quake is over, check the gas pipe in the building.
地震一旦停止，立刻检查建筑物内的瓦斯管。
Research on the Driver and Temperature Controller Circuits of DFB Laser Diode Used in the Concentration Detection of Methane;
用于瓦斯检测的DFB激光器驱动与温控系统研究
Design of temperature control circuit of laser diode for the spectroscopy detection of gas
光谱法瓦斯检测用激光器温控电路的设计
Design of the gas detector hardware with remote updating
支持远程系统更新的瓦斯检测器硬件的设计
Constant Temperature Catalytic Gas Sensor Detection Method and Application In Gas Detection
催化气体传感器的恒温检测方法及其在瓦斯检测中的应用
Measure Circuit and Wave Analysis of Absorption Spectrum Optical Fiber Gas Sensor;
吸收光谱式光纤瓦斯传感器检测电路及其波形分析
Brief Talks of the CH4 Sensor's Applicability for Gas Detection
浅谈热催化燃烧式甲烷传感器检测瓦斯的适用性
Research of Detection Model of Mine-used Infrared Gas Sensor Based on Neural Network
基于神经网络的矿用红外瓦斯传感器检测模型的研究
James Watt governor
詹姆斯·瓦特调速器
Shock Absorbers: Twin tube gas-pressurized
双管式瓦斯气压避震器
portable explosion-proof gas detector
便携式防爆瓦斯探测器
recording gas pressure gauge
瓦斯压力自动记录器
Research on the Intelligent Methane Detector Based on Variable Current Detection
基于变流检测的智能瓦斯检测仪研究
The Analysis of Reason of Act of Light Gas Relay in Transformer
变压器轻瓦斯继电器动作原因的分析
Research on Related Technologies of Methane Concentration Second Harmonic Detection;
瓦斯浓度二次谐波检测相关技术研究
Researching and Realizing the Instrument of Gas Detecting with Non-Dispersive Infrared Measurement;
非分光红外瓦斯检测仪的研究与实现
Design on A New Portable Gas Detect & Alarm Device
新型便携式瓦斯检测报警装置的设计