查询词典 steam-engine

The statistics of oil field production indicates that the dryness fraction of the steam heat boiler export is about 75% at present .While the dryness fraction of steam of the steamed well mouth is only about 60%, which affects the effect of steam huff and puff and the economy of thermal production.

油田生产统计情况表明，目前热注锅炉出口蒸汽干度一般在75%，而注汽井的井口蒸汽干度仅为60%左右，影响了蒸汽吞吐效果和热采的经济性。

Secondly, to start with the distribution of temperature field, pressure field and dryness fraction along the injector well, the paper built a steam heat loss forecast model of the injector well, obtains condition the best steam injection pressure and steam injection speed under certain formation.

其次，从蒸汽沿注汽井井筒的温度场、压力场以及干度的分布入手，建立了注蒸汽井井筒的热损失计算模型，得出一定地层条件下的最佳注入压力和注汽速度。确立了井筒的最佳注汽压力和速率。

The result of study shows that for the production in Block Can 2X1, the technique for horizontal well steam soak with high dryness fraction, high intension of steam injection, high steam injection rate and short shut-in period is used for a better economic benefit.

研究结果表明，对蚕2X1断块进行开发时，采用高干度、高注汽强度、高注汽速度、短焖井时间的水平井蒸汽吞吐注采工艺，才能获得较好的经济收益。

In the methods cyclic production rate is used as a foundation, cyclic maximum daily average revenue is used as an optimized object and the genetic algorithm is used as a tool for an optimized design of steam injection pressure, dryness fraction of steam, steam injection rate, cyclic injection volume, soak time, and bottomhole flow pressure.

该方法以周期采油量计算为基础，以周期平均日收益最大化为优化目标，以遗传算法为手段，对注汽压力、注汽干度、注汽速率、周期注汽量、焖井时间及井底流压进行整体优化设计。

The gasturbine own electricity generation efficiency does not calculate veryhigh, generally between 30%~ 35%, but produces the waste heat hazetemperature reaches as high as 450 ~ 550 ℃, may recycle the heatenergy transformation steam once more through the afterheat boiler,the actuation steam turbine sends time of electricity again, forms thegas turbine -- steam turbine union circulation electricity generation,the electricity generation efficiency may achieve 45%~50%, somelarge-scale units even may surpass 55%.

燃气轮机自身的发电效率不算很高，一般在30％～35％之间，但是产生的废热烟气温度高达450～550℃，可以通过余热锅炉再次回收热能转换蒸汽，驱动蒸汽轮机再发一次电，形成燃气轮机--蒸汽轮机联合循环发电，发电效率可以达到45%~50%，一些大型机组甚至可以超过55％。

Germany, imported TOP trap: thermal power steam trap, ball float steam trap, inverted bucket-type traps, thermostatic steam trap, double-metal trap, flange-type trap, silk mouth-style trap.

德国TOP进口电磁阀类：蒸汽电磁阀、水用电磁阀、不锈钢电磁阀、高温电磁阀、天然气电磁阀、丝口电磁阀、法兰式电磁阀。

At the top of Steam-cabinet, there is a reasonable designed of the fumaroles, So when in the steam cooking process, the temperature inside of the Steam-cabinet will be kept uniformity.

蒸柜顶部有设计合理的喷汽孔，使蒸柜内的蒸汽温度在蒸煮过程中保持均匀，这样蒸柜内的冷凝水及汽既可排走，又不形成回流现象。

The steam generator is one of main equipment of nuclear steam supply system of nuclear power plant. Monitoring U tube leakage rate of steam generator is necessary for keeping safe and economic operation of nuclear power plant.

蒸汽发生器是压水堆核电站核蒸汽供应系统的主要设备之一，对蒸汽发生器传热管进行泄漏监测关系到核电站的安全和经济运行。

Pulse-type steam trap: Pulse-type traps are two plates down according to changes in vapor pressure regulating valve switch, even if the valve is completely closed the entry and exit points are also through SAFETY VALVES the first and the second hole interlinked, remains not fully closed, steam constantly overflow, large amount of steam leakage.

脉冲式疏水阀：脉冲式疏水阀有两个孔板根据蒸汽压降变化调节阀门开关，即使阀门完全关闭入口和出口也是通过第一、第二个小孔相通，始终处于不完全关闭状态，蒸汽不断溢出，漏汽量大。

The Micro Precision Steam Cleaner is a small, table top, portable steam cleaner which instantly converts distilled water to high pressure, super-heated steam.

微精度蒸汽净化器是一种小型的台式便携蒸汽净化器，可以立即将蒸馏水转换成高压高温的水蒸气。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。