查询词典 steam-driven

Steam pipe line as one of the main facilities which is used in the steam line system of the thermal production ,the main reason for the decline of well head steam quality, the key factor of the decreasing energy efficiency .

输汽管道作为热采输汽系统的主要设备之一，是井口蒸汽干度降低的主要原因，也是降低能量利用率的重要因素。

In the steam injector with pressure-gain, the water gains pressure by the power of steam. The outlet water pressure is higher than the inlet steam pressure.

增压引射器利用蒸汽作为动力使水增压，让出口水的压力超过入口蒸汽的压力。

The calculation and experiment results show that the maximum lifting pressure performance decreases with the increase in throat diameter of channel of variable section, water flux of low pressure and pressure ratio of steam nozzle, and has its minimum value with water nozzle annular space. The coefficient of maximum lifting pressure performance may be as high as 26. In the design of steam injector, the larger pressure ratio of steam nozzle and the smaller water nozzle annular space are selected, the higher lifting pressure performance could be obtained.

计算及研究表明：极限升压能力随变截面混合腔喉部直径、被升压的低压水流量和蒸汽喷嘴压比增加而降低，随环形水喷嘴间隙的变化出现了最小值；计算得出变截面超音速汽液两相流装置的极限升压能力可达26；在设计升压装置时应尽可能选取较大的蒸汽喷嘴压比和较小的环形水喷嘴间隙。

The research results show that the steam inlet pressure and water inlet temperature are the main factors which affect the lifting-pressure performance; the steam injector have the characteristics of self-adaptive outlet pressure and constant outlet flow rate; the theoretical maximum lifting-pressure coefficient calculated could be high as 14 and the experimental value is 3.0, which could be high as 1.5 even if the water inlet temperature is high as 95℃. The noise of steam injector could be induced from 80db to 50db.

研究出该升压技术具有定流量特性、出口压力具有自适应特性，计算得出的理论极限升压能力的升压系数可达14，实验得出的最大升压能力为进口蒸汽压力的3倍，进口水温达到95℃时其升压能力还可达到1.5倍，噪音从目前的80db减少为50db。

By the experiment of using steam trap of the steam heater,considering the steadiness of control process ,gave a suggestion for the choice for steam trap.

通过对蒸汽加热器疏水器运行情况试验，从控制的稳定性考虑，对蒸汽加热器疏水器的选型提出了建议。

This includes high pressure drop, steam blow down, steam injection, fast acting isolation, 6,000 psi (414 bar) gas and super heated steam at 1,100oF (593oC). In 1981, after rigorous testing of valve performance and all its components, we redesigned the valve and added several new patented features.

这些考验包括高压降，蒸汽排放，蒸汽喷射，快速隔离，6000 psi (414 bar)高压气体和593oC超高温蒸汽。1981年，在对阀门性能和所有部件进行严格的测试后，我们对阀门进行了重新设计，增加了几个新的专利性能。

Based on the thermodynamic principle and calculation model of double-region-heating steam wetness probe, according to the typical operating condition of steam turbine,the water drop vaporization length in the double-region- heating steam wetness probe has been numerically calculated.

概述水蒸汽作为1种常用工质，广泛应用于火电、核电、船舶、石油等行业。水蒸汽在热能动力装置中受外界条件影响，常会呈现不同的状态，其中之一就是饱和湿蒸汽状态，即干饱和蒸汽和饱和水滴的混合物。

He did not in fact invent the steam engine as such but in 1769 patented an engine with a separate steam condenser and it was this that proved the breakthrough in harnessing the power of steam for industrial use.

他不仅发明了蒸汽机，还在1769年注册了独立气压机的专利。正是由于这两项突破性发明，推动了蒸汽动力成为工业革命的基础。

Steam box is made by stainless steel,it's includes steam jetting device and water jetting device, steam box we used the condensate spray mix device it can adjust spurt amount, causes the degree of the wetness of the fabric to be more uniform and stable to attain the maximum effect of pre-liminary shrinking.

喷蒸汽采用不锈钢制造，设有喷汽装置及喷泉水装置，咂蒸汽箱本厂采用汽水喷泉雾混合装置，可调整控制喷量，使布匹表面均匀湿润。

Based on the analysis of dynamic characteristics of the main steam temperature ,considering the feature of the large delay,the large lag and slow-time varying and the various disturbances for the main steam temperature ,the centers around a strategy which combines fuzzy with PID control to control the main steam temperature .

通过对CFB锅炉主汽温度动态特性的分析，针对主汽温度的大迟延、大惯性、慢时变及扰动因素多的特点，研究了模糊控制与PID控制相结合对主汽温度进行控制的策略。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了