Optic fiber methane gas sensors which are used to measure the concentration of methane have a wide application prospect in mining, chemical, oil and many other industries, especially in hazardous and hostile environments.
用于检测瓦斯气体浓度的光纤瓦斯气体传感器在采矿、化工、石油等工业中 ,尤其在恶劣和危险的环境中 ,具有广阔的应用前景。
Twice light gas failures occurred in normal running of a 12.
5 MVA电炉变压器在正常运行中发生两次轻瓦斯气体故障,从气相色谱分析、电炉变吊芯检查及短网外部结构综合进行了剖析,查出了故障发生的原因;并采取有效的措施排除了故障。
Two times of light gas have been occurred in the 12.
5 MVA电炉变压器在正常运行中产生两次轻瓦斯气体,从其气相色谱分析、电炉变压器吊芯检查及短网外部结构方面进行综合剖析,查出了故障发生的原因,并采取有效措施排除了故障。
Quasi static Processes of Van Der Waals Gas;
范德瓦尔斯气体的各种准静态过程
Various processes of Van der Waals gas has been analysed,the polytropic process of Van der Waals gas has been derived and the other process equation and correspondence polytropic exponent have been discussed in the article.
分析了范德瓦尔斯气体的各种过程 ,推导出了范德瓦尔斯气体的多方过程 ,并讨论了其它过程方程及相应的多方指
Incompatible as the van der Waals gas and the third law of thermodynamics;
范德瓦耳斯气体与热力学第三定律不相容
From the reduced equation of state of Van Der Waals gas,this article derives that the value of the critical exponent equals,which is approximately the value of experiment.
从范德瓦耳斯气体的对比态方程出发,推导出临界指数的数值为1/3,与实验值相近。
The adiabatic processes of ideal gas and van der Waals gas are discussed.
讨论了理想气体和范德瓦耳斯气体的绝热过程,着重指出理想气体的摩尔热容比只在高温段可看作常量,而范德瓦耳斯气体的摩尔热容比即使在高温段也不可看作常量。
Study on laser absorption spectroscopy for measuring gas of mine
利用激光吸收光谱法测量煤矿瓦斯气体的研究
The design of CH4 detector based on ADuC834 microcontroller
基于ADuC834单片机的瓦斯气体检测仪的设计
The existing mine gas in coal bed occurs mostly in the free state,the adsorption state and the dissolved state.
瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。
Research on System of Gas Sensor Used in Mine Based on TDLAS;
基于可调谐激光光谱的矿井瓦斯气体传感系统的研究
an air [a gas] turbine
空气[瓦斯]涡轮机.
The Critical Exponent of Van Der Waals Gas;
范德瓦耳斯气体的临界指数β=1/3
Foul or poisonous gas that sometimes pollutes the air in coal mines.
矿井瓦斯，有毒气体矿井中有时污染空气的恶臭气体或有毒气体
The Explosive Gases Formation Mechanism and Overrun Forecast of Jinjiaba Key Hydropower Project Diversion Tunnel
金家坝水电枢纽工程引水隧洞易爆(瓦斯)气体形成机制及易爆(瓦斯)气体超限预测
A TALK ABOUT THE COMPREHENSION OF P IN GASEOUS VAN DER WAALS EQUATION;
谈谈对气体的范德瓦耳斯方程中压强p的理解
Shock Absorbers: Twin tube gas-pressurized
双管式瓦斯气压避震器
Study on the Tridimensional "W" Air Dynamic System of Productive Coalface with High Gas Emission;
高瓦斯高产工作面立体“W”型空气动力学系统研究
Influence of Thermodynamic Property of Van der Waals s Gas to Molecular Effective Diameter;
分子有效直径对范德瓦尔斯气体热力学性质的影响
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
In the paper, modification suggestion to Vander Waals gas model is provided; state equation and internal energy formula which are more suitable for characteristic of real gas are derived.
该文对范德瓦尔斯气体模型提出修改意见,并导出更符合实际气体特点的状态方程和内能公式。
Abandoned Coal Mine Methane--A Noteworthy CBM resource
废弃矿井瓦斯——值得关注的煤层气资源
Coal and Gas Outburst Coupling Mechanics and Analysis;
煤和瓦斯突出的气固耦合机理及分析
The Promoted Use Coal Rake(Gas) Was Made Generates Electricity Aproject Humble Opinion;
推广使用煤层气(瓦斯)发电项目的建议
Study on Gas-geology and Gas Prediction in the Coal-oil-gas Association Mining Area of Southern Jiaoping;
焦坪南部煤油气共生矿区的瓦斯地质特征及瓦斯预测研究