叶旋

由于60纳米的扭矩，这种自行车比典型的安装了电动旋翼叶毂发动机的自行车有更多动力。

With 60Nm of torque, the bike has a lot more grunt than a typical electric hub-motor installed in bicycles.

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车叶草和秋牡丹长得非常高，盛开的旋花和黑莓像长花环似的从这棵树牵到那棵树。 夜莺在这些树上唱歌，太阳光在这些树上嬉戏。

anemonies grew almost too high; blooming convolvuluses and blackberry-bushes hung in long garlands from tree to tree

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拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。

Rolled up in the form of a coil with the tip in the center as an unexpanded fern frond .

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拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。

Rolled up in the form of a coil with the tip in the center, as an unexpanded fern frond.

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直升飞机有一个五浆叶主旋翼和一个四浆叶尾旋翼。

The helicopter has a five-blade main rotor and a four-blade tail rotor.

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该发动机主体结构为一内置有旋流燃烧室的高速旋转无叶无塞内燃转子，能融压气、燃烧和排气做功于一体。

The engines main body structure is an internal-combustion rotor, which has no blade and no piston but has an internal revolved stream combustor.

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提出了一种基于旋滤波法的干涉条纹预处理方法，并将其应用到载波傅里叶分析法中。

A new fringe-pattern preprocessing based on median spin filter is proposed to deal with the interferogram with high-level noise.

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本文总结了复合材料旋翼浆叶结构动力优化设计的研究工作。

A research for structural dynamic optimization design of composite rotor blades is summarized.

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以旋叶膜滤机作为过滤设备对光合细菌发酵液过滤物料进行动态微孔膜膜过滤特性的研究。

The dynamic performance of micro-filtration in the filtration of photosynthetic bacteria broth by rotating membrane filter was studied.

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本文建立的旋叶式压缩机工作过程数学模型，综合考虑了泄漏模型与传热模型，更接近实际情况。

The working process model of the rotary vane simulated in the paper takes into account both the leakage and heat transfer model, so it is closer to the practice.

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运用嵌套网格技术研究了浆叶的厚度和扭转对低雷诺数旋翼流场的影响。

The influence of blade thickness and torsion on the flow field at low Reynolds number for rotor in a hover is studied with the Chimera grid technique.

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本文介绍了动态旋叶压滤机的过滤特性，讨论了过滤介质阻力和滤饼阻力等因素对计算旋叶压滤机过滤速率的影响。

The filtration performance of dynamic rotary-vane filter press is introduced. The effects of the resistances of filter medium and filter cake on the calculation of the filtration rate are discussed.

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本文依据因次分析的基本原理，研究了装煤时旋叶升角的变化函数。

The variable function of vane Angle during loading is studied on the basic principle of dimensional analysis.

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根据最佳装煤条件下的试验数据，提出了合理旋叶升角的范围；并从截煤效率考虑，对此范围进行了修正。

A-reasonable range of vane Angle is presented on the basis of experiment data in optimal loading condition, and the range is modified in view of cutting efficiency.

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将改写后的无旋条件与连续方程联立求解，可在计算面上将叶型设计问题用标准拉普拉斯方程来表示。

The equations of continuity and quasi irrotationality are transformed into the potential stream function coordinates. Then a Laplace equation can be deduced for an aerodynamic parameter "q".

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旋叶式压缩机的这一特点对其指示功率有较大的影响，对制冷量影响很小。

This feature of rotary vane compressor has great influence on indicated power, but has little influence on cooling capacity.

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气缸型线是影响汽车空调用旋叶式压缩机性能的重要因素之一。

Cylinder Profile is one of the key factors influencing the performance of rotary vane compressor used for automobile air conditioning system.

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旋叶式压缩机的背压对滑片的运动及压缩机的性能有很大的影响。

The vane slot backpressure has great influence on vane behavior and compressor performance.

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本文介绍了离心泵节能的主要技术，并提出了前置导叶预旋调节的节能技术。

This paper introduces the main energy saving technologies of centrifugal pump. And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.

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旋叶式汽车空调压缩机具有结构简单、体积小、重量轻、运转平稳等优点。

The rotary vane compressor used for automotive air conditioner has many advantages, such as simple structure, smaller size, lighter weight, rotating smoothly etc.

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该文对汽车空调用旋叶式压缩机的工作过程进行了模拟，其数学模型的建立基于任一时刻基元内工质的状态是均匀的这样一种常用假设。

So it is widely used in many fields. In this paper, the working process modeling of a rotary vane compressor for an automobile air conditioner is presented.

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在转子叶尖采用正预旋、低反力度的设计形式能有效地提高气动性能，如果想利用常规手段来设计下游静子则必须在叶根处引入反预旋；

The adoption of positive pre-swirl and low reaction degree increases the tip performance effectively, negative pre-swirl is required at hub for stator based on conventional design method;

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建立了叶片偏心设置旋叶式压缩机的数学模型，并利用编程手段对其进行了动力分析；

This paper studies the rotary vane compressor of eccentric vane tip, mathematical model is established for the rotary vane compressor and dynamical analysis is carried on by computer program;

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建立了叶片偏心设置旋叶式压缩机的数学模型，并利用编程手段对其进行了动力分析；

This paper studies the rotary vane compressor of eccentric vane tip, mathematical model is established for the rotary vane compressor and dynamical analysis is carried on by computer program;

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网址：叶旋 https://mxgxt.com/news/view/1643231

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