1、

Shuidonggou: a vane of intercommunication between the East and the west?& discussion about small tool culture in North China and a hypothesis of the lithic road;

水洞沟:东西方文化交流的风向标?&兼论华北小石器文化和石器之路的假说传说这个小院是北京四大凶宅之一。

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2、

General in the pump and vane pump can not meet the requirements when using piston pump.

一般在齿轮泵和叶片泵不能满足要求时才用柱塞泵.

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3、

The relative error of the vane interference was less than 2 %, which meets actual requirements.

所得舵间干扰相对误差不超过2%, 与实际要求相吻合.

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4、

This take the method of optimization of hydraulic design whose target specification is efficiency. Also, it uses combination vane and double-seal system which was tested by hydraulic experiment and field primary operation that kind of pump is a combination of ideal performance and seal reliability.

理论上采用以效率为目标函数的优化水力设计方法,并采用复合叶轮和双密封结构,经水力试验和现场运行表明,该泵具有很理想的性能和密封可靠性。

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5、

This paper presents the characteristic design of the constant flow variable vane pumps.

本文讨论了稳流式变量叶片泵的特性设计;

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6、

The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.

离心式固液两相流泵叶片的边界层的理论分析,可以为分析流体在叶片表面沿程阻力提供基础,进一步也可以为确定叶片型线提供理论依据。

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8、

By analyzing interior flow rules, the relative motion momentum equation and infinite vane theoretical head equation are established.

通过分析离心泵叶轮内部的流动规律,推导出了理想流体相对运动的动量方程和无限多叶片假设下的用出口角表达的理论扬程公式。

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9、

The choice of vane curve should satisfy the conditions of boundary layer non-separation and theoretical distance head by Eular equation-the basic equation of pumps.

叶片型线的选择应满足边界层不分离条件及由欧拉方程&泵的基本方程所确定的理论扬程条件。

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10、

Theoretical study of differential velocity 4-vane pump

四叶片差速泵的理论研究

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11、

In order to investigate the flow characteristics of cooling flow downstream of a turbine guide vane trailing edge slot, numerical methods of RNG k-ε turbulent model were solved.

通过RNG k-ε湍流模型求解可压流的N-S方程,研究燃气轮机涡轮导向叶片尾缘劈缝出流冷气的流动情况。

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12、

Cold Test of Dual-vane Swirl Burner Embedded with Concentrated-thin Separator

双通道浓淡旋流煤粉燃烧器的冷态试验研究

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13、

The product is applied to medium, high-pressure gear pump, ram pump, vane pumps, etc.

产品主要应用于中 、 高压齿轮油泵 、 柱塞泵, 叶片泵等.由于不含铅,使润滑条件更为干净,符合环保要求.

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14、

" Marrying Sibyl vane!" cried Lord henry, standing up and looking at him in perplexed amazement.

“跟茜比尔范结婚!”享利勋爵大声叫道,一边站起身来,又迷惘又惊奇地瞧着他。

provided by jukuu

15、

Through the crowd of ungainly, shabbily dressed actors, Sibyl vane moved like a creature from a finer world.

茜比尔?范在一群其貌不扬,衣着寒酸的演员之间跳着,象一个从哪个美好的世界来的生灵。

provided by jukuu

16、

Research on the Radial Force By Double Action Variable Vane Pump of Odd Number Vane

采用奇数叶片的变量双作用叶片泵径向力研究

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17、

Optimization of vane thickness ratio of double decked vane compressors

双层滑片压缩机两滑片厚度比的选择分析

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18、

The vane is reconstructed with ICT slice data from a fan using this method.

以某风扇叶片为例,由采集的ICT切片数据重建出了实体。

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19、

The mathematical model of steam vane is established with 2 × 3 degree nurbs method to improve the quality and efficiency of vane machining. The expression of three-dimensional point and unit vector matrix are put forward and the numeric show of vane is realized.

为了提高汽轮机叶片数控加工的质量和效率,用2×3次非均匀有理B样条方法,建立了叶片的数学模型,推导了其三维点和法矢量矩阵表达式,实现了叶片的数字化表示。

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20、

In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.

笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式,对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。

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