甲烷在常温常压下是一种气体，使其比汽油、柴油更难作为汽车燃料使用。
Methane is a gas at ordinary temperatures and pressures, making it harder than gasoline and diesel to use as vehicle fuel.
空气钻井是一种钻井工艺，是指利用气体去冷却钻头和把岩屑举升出油井环空，而不是利用更常使用的流体。
A drilling technique whereby gases (typically compressed air or nitrogen) are used to cool the drill bit and lift cuttings out of the wellbore, instead of the more conventional use of liquids.
它是一种新型高效的气体催化剂，能在常温、常压下保持较高的活性与容量。
It is a new and efficient gas catalyst can maintain high activity and capacity at normal temperature and pressure.
研究了在常温，常压及惰性气体稀释的条件下，用脉冲电晕放电进行的甲烷氧化偶联（OCM）反应。
Oxidative coupling of methane (OCM) at room temperature, under atmospheric pressure and in the absence of inert diluting gas by Pulsedcorona discharges was investigated.
得到气管内的气体在一个呼吸周期非定常条件下的流动变化，模拟结果与实验观察相吻合。
The results of the change of flow during a single respiratory period were matched with the observance of experiment by other authors.
控制方程是一维非定常气体动力学偏微分方程组，用隐式中心差分结合特征线法解算。
The numerical solution of the governing equations, pertaining to one-dimensional unsteady gas dynamics, utilizes an implicit finite-difference scheme combined with the method of characteristics.
介绍常压下纯气体及混合气体，加压下纯气体及混合气体以及液体粘度的计算方法。
Calculation method of viscosity for pure gas, mixed gas and liquid at ambient pressure is discussed.
本文将这一复杂的物理化学和气体动力学过程简化为二维前向台阶分离区的准定常烧蚀问题来处理。
The problem of complicated physicochemical and aerodynamic process is simplified to one of two-dimensional forward-facing step of quasi-steady state ablation problem of the separation region.
文中利用一维等熵非定常气体的运动方程计算系统的各参数，并把所得参数作为设计和试验的参考数据。
Kinematic equation of one-dimensional isoentropic nonsteady air was used to calculate system parameters for reference of design and experiment.
在高功率和激励器的作用下，矩形槽波导谐振腔微波化学反应器内的甲烷气体在常压下就可以产生微波放电，使甲烷转化成C2炔。
Under the effect of high power and actuator, it can form microwave discharge, and make methane to C2 alkynes in microwave chemistry reactor made of rectangular groove guide reactor under atmospheric.
根据热解工艺参数的不同，重点论述了常压惰性气体热解、真空热解、熔融盐热解、催化热解的研究进展。
According to the different pyrolysis process parameters, the research progress of atmospheric inert pyrolysis, vacuum pyrolysis, molten salt pyrolysis and catalytic pyrolysis were highly discussed.
常减压蒸馏、催化裂化、柴油加氢、气体分馏和聚丙烯等十八套主体生产装置及公用工程、罐区、码头、电厂等配套工程一应俱全，采用联合设计模式，由中国著名的设计院设计。
Public utilities, storage area, jetty, power plant and other supporting facilities are also available. It adopts joint-design pattern and is designed by famous design institute in China.
本文对气体与碳氢化合物液体燃料颗粒以及悬浮铝粉尘中的非定常两相爆轰进行了理论和数值研究。
Unsteady detonation in gas-fuel droplet systems and suspended aluminum dust was theoretically, numerically studied in this thesis.
本文对气体与碳氢化合物液体燃料颗粒以及悬浮铝粉尘中的非定常两相爆轰进行了理论和数值研究。
Unsteady detonation in gas-fuel droplet systems and suspended aluminum dust was theoretically, numerically studied in this thesis.
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