One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
The rock cutting techniques under deep water of practical application should consider the relations between cutting times, jet horizontally moving velocity and efficiency.
在深水环境条件下岩石切割技术的生产实际应用中，要综合考虑切割次数和射流横移速度与效率的关系；
The hydraulics and abrasive parameters of premixing jet has great effect on casing cutting efficiency.
水力参数和磨料参数对前混式磨料射流切割套管的效率有着极重要的影响。
The paper founded the efficiency computing model of jet heat exchanger and analyzed the effect of operating parameters on efficiency of jet heat exchanger by the calculation of examples.
本文建立了喷流式换热器的火用效率计算模型，并通过实例计算，分析了各运行参数对喷流式换热器火用效率的影响。
Water jet, as a novel rock cutting tool, can be combined with mechanical method to increase penetrating efficiency.
水射流作为一种新型切割工具运用于石油钻井中，与机械联合破岩可提高破岩效率。
Through analyzing work principle of the wind turbine, a new technique is proposed which USES a method of jet at the blade-tip of wind turbine to enhance the efficiency of wind turbine.
通过对风力机工作原理的分析，提出了一种利用叶尖喷气的方法来提高风力机效率的新型技术。
A stirrer with jet function has the advantages of higher efficiency and lower energy consumption in mixing.
穿流式搅拌桨桨叶上的开孔所引起的射流对于提高搅拌效率、降低搅拌能耗起着重要的作用。
Heavy oil high-pressure steam jet pipe cleaning technology, pipeline cleaning can greatly improve the quality and efficiency.
高压蒸汽射流稠油管清洗新技术，可以大大提高油管清洗的质量和效率。
It discusses how to utilize systematic engineering to optimize the processes and technical standards of air jet loom, tries to improve the quality and efficiency.
探讨如何运用系统工程，优化各工序工艺和技术标准，提高半成品质量，确保喷气织机的效率和质量。
Experiment shows the rock breaking efficiency of jet flow impact pressure is enhanced.
实验表明，提高了射流冲击压力的破碎岩石效率。
The research results provide theoretical basis and reference for the improvement of the efficiency and the structure optimization design of the deflector jet servo valve.
研究结果为偏转板射流伺服阀的效率提高及结构优化设计提供理论依据与参考。
The equipment applies high voltage jet drilling process, with characteristics of high drilling efficiency , simple structural drilling tool and reasonable design.
该设备采用高压射流钻井工艺，具有钻进效率高、钻具结构简单、设计合理等特点。在两次现场试验中，成功地实钻了三眼定向孔。
The results prove that the water jet cutter is characterized by its high efficiency, low specific power consumption and fine automation level. Therefore it is a new type of cold cutting machine.
结果表明：该水刀具有切割效率高、比能耗低、自动化程度好等特点，是一种新型的冷切割设备。
In this paper, the CBN grinding wheel of high efficiency, accuracy and surface quality was studied by means of low pressure abrasive water jet.
采用低压磨料水射流对高效率、高精度、高表面质量的CBN(立方氮化硼)砂轮进行了研究。
It is shown after analysis that the efficiency of roto-jet pump is higher than theefficiency of multistage pump and express pump when it operates in the region of low dis-charge and high lift.
通过对提高某化工装置反应器进料泵扬程两种方法的分析对比、实验研究，提出短叶片偏置设计法是提高低比转速离心泵扬程和效率的有效方法。
When the jet mill USES steam to generate the jet, use of the improved nozzle will reduce energy costs by increasing the efficiency of the jet mill.
当射流磨机利用气流产生射流时，利用改进的喷嘴可以通过提高射流磨机的效率而降低能量消耗。
The faster a jet plane goes the greater its propulsive efficiency.
喷气式飞机的速度越快，它们的推进效率就越高。
The impinging jet injection device improves combustion efficiency. If the fuel streams impinge with the airstreams directly at the exit of air-inlet, it makes negative effect on combustion efficiency.
燃气射流与空气流在进气道出口直接撞击不利于燃烧效率的提高。
Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.
相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；
The experimental results showed that the removal efficiency increased with increasing Reynolds number of jet exit and flow ration of jet-crossflow.
研究结果表明，增大射流出口雷诺数和增大射流与主气流的气速比均能提高可吸入颗粒的清除效率。
It eliminates the inconvenience of manual separating, and makes full use of the advantage of high-speed jet printing, thus improving the work efficiency of jet printing.
从而减少人工分页的繁琐，充分发挥喷码机、激光机的高速喷印优点，提高喷印工作效率。
The hydraulic jet pump can reduce the producing cost due to its long run-life, few inspection operation, high production efficiency, less power consumption and less usage of power liquid.
射流泵运行周期长、检泵作业量少、生产效率高、耗电量小，动力液用量少，可使采油成本降低。
The swirling water jet technique for breaking rock has good efficiency and larger breaking area.
旋转射流破岩的优势在于破碎面积大、效率高。
The efficiency of rotary-jet pumps under the operation of low flow and high delivery was higher than those of multistage pumps and high speed pumps through analyses.
通过分析得出，旋喷泵在小流量、高扬程工况下运行时的效率高于多级泵和高速泵。
These results sufficiently show that high pressure water jet is an environmental protection, high efficiency, no pollution method and can be used in milk sterilization.
上述结果充分说明，超高压射流方法是一种环保、高效、无污染、可用于鲜乳杀菌的新方法。
Analysis of the mechanism of coal breaking by self-excited vibration water-jet; discussion on the influence of several parameters on pulverizing efficiency.
分析了自激振荡水射流超细粉碎系统对煤粉颗粒的粉碎机理，讨论了影响粉碎效率的几种因素。
To reduce loom stop caused by weft insertion is an important project in improving weaving efficiency of air jet loom.
降低纬向停台是提高喷气织机效率的重要课题。
The burning system is converted to NSP production line with MSC precalciner, high efficiency 2-string preheater system and reciprocating grate cooler with jet flow.
其中，将烧成系统改成带MSC分解炉、高效双列五级预热器和带射流的推动蓖冷机的新型预分解窑生产线。
The system that is composed of pipe and air chamber is able to induce resonance, which will prompt the efficiency of pulsed jet.
导管-气室系统可以引发水力共振，提高脉冲射流的强度。
The system that is composed of pipe and air chamber is able to induce resonance, which will prompt the efficiency of pulsed jet.
导管-气室系统可以引发水力共振，提高脉冲射流的强度。
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