steam rate

The steam-powered printing press was still in its early stages ； the literacy rate in England was under 50% ．

蒸汽印刷机还处于早期阶段；英国的识字率不到50%。

By analysising the rate of forming nucleus of super-cooled steam for metastable state on the metallic level surface, authors proposes a method of metal surface modification to increase its contact anger.

分析了亚稳态的过冷蒸汽在金属壁面上的成核率，指出通过对金属表面改性增大其接触角。

The paper describes that new type inject steam technology can reduce coke precursor, resulting in operation rate of cracking furnace over 96.8%.

采用新型注汽技术改造，降低结焦先兆物，使裂解炉开工率提高到96.8%以上。

When the steam temperature raises or continues to raise the steam pressure and the condensate discharged from sample slowly, the seepage rate increases slightly.

当提高蒸汽温度或继续提高蒸汽压力后，冷凝水缓慢排出试样，渗流率有所提高；一旦蒸汽通过试样，试样将被迅速加热，渗透率也迅速增大。

Build purchase electricity model and economic load dispatch model to solve a non-smooth cost function caused by the steam admission valve openings with a ramp rate constraint.

建立了日前市场购电模型，以及考虑汽轮机阀点效应的经济功率分配模型。

Through measuring steam turbine condenser cooling flow rate, the precision and mean values measured by ultrasonic flow meter and the method using heat balance are analyzed.

通过汽轮机凝汽器冷却水流量的测量，分析了采用超声波流量计与凝汽器热平衡方法测量冷却水流量的精确度及均值。

The loop uses high-temperature helium as the thermal source and in full scale to simulate the 30% generator load for two-phase flow stability verification test under various conditions: inlet sub-cooling degree, outlet steam pressure, flow rate and inlet resistance.

实验系统用高温氦气作为热源，采用1∶1全尺寸模拟，进行了30%负荷工况两相流稳定性验证实验、入口过冷度、蒸汽出口压力、流量及入口阻力对两相流稳定性影响的研究。

Heat rate Reducing, condensate overcooled removing, vacuum improving, reasonable material selecting and reasonable availing of the cooling area are contents to reengineer and design for improving the thermal efficiency of middle/ large scale steam turbine.

降低热耗、消除凝结水的过冷现象、提高真空、合理地选材和冷却面积最有效地合理利用是当今改造、设计，提高中、大型汽轮机组热效率的内容之一。

During the water steam treatment after compression, the recovery rate of Ussuri Poplar is-3%, the lowest one, while that of Larch is11.6%, the highest one.

水蒸气后处理法中大青杨压缩变形恢复率最低，为-3%左右；落叶松压缩变形恢复率最高，为11.6%左右。

The expansion rate of Steel slag with steam test is researched in this paper too.

本文还分析研究了用蒸汽试验法测定钢渣的膨胀率情况.