查询词典 stationary flow

A binary composite hypothesis test model with unknown and stochastic parameters was constructed.The sequential probability ratio test with the uniformly most powerful effect was provided for white Gaussian process.This novel method was used to detect the distant series of pipe mass flow difference of leakages produced in stationary and non-stationary operation situations, respectively.

建立了以泄漏信号的幅值为随机参量的二元复合假设检验模型，提出了具有一致最大功效的序列似然比检验方法，并进行了平稳观测序列强泄漏信号和非平稳观测序列弱泄漏信号的检测。

The only direct measurement is flue flow rate which is very small and has small pipe and has long enough stationary flow so that it can take general flow rate measurement.

由于本发明中唯一要直接测量的是燃料流量，由于流量小，流通管径小，并有足够长的稳定流段，可用常规的流量测量方法测量。

Three kinds of swirl meter are used to measure the swirl in different cross section of a diesel engine cylinder on a stationary flow test bench. This paper analyses the influence on incylinder swirl measurement of the type of swirl meter, measuring position and flow distribution in-cylinder.

本文在稳流模拟试验台上，利用三种涡流计测量了不同横截面高度的缸内涡流，分析了涡流计型式及测速位置对缸内涡流转速测量结果的影响，阐述了缸内速度分布对涡流测量影响的变化规律。

The ammonium groups on the surface of the stationary phase generate an electroosmatic flow from cathode to anode, and serve as a strong anion-exchange stationary phase at the same time.

由于这种整体柱带有正电荷，避免了碱性化合物与固定相之间的静电吸引作用，从而避免碱性化合物的峰拖尾或不出峰等现象。

According to hypothesis of intake average stationary flow, using experimental data on engine test stand, a hierarchical model is built up to use for steady-status air fuel ratio feed-forward control. Three-dimensional original control maps are produced by the model, and data generation problem of non-experiment operation condition points is solved.

4基于进气平均稳定流动的假设，利用发动机台架实验数据，建立了用于稳态空燃比前馈控制的递阶模型，并通过该模型生成三维初始控制脉谱图，解决了非实验工况点的数据产生问题。

The flow around a stationary and in-line oscillating circular cylinder in a uniform flow at Reynolds number of 150 is studied by solving Navier-Stokes equations on a moving grid system described by Arbitrary Largangian-Eulerian method.

通过求解采用ALE方法描述的运动坐标系Navier-Stokes方程组，分析均匀来流下雷诺数为150的静止和流向振荡的圆柱绕流。

Therefore, an un-derstanding of the maintenance of the stationary waves is a prereq-uisite for a thorough understanding of the low frequency transients.The Eliassen-Palm cross-section and the three-dimensional waveactivity flux, which was derived by Plumb (1985) for the linear quasi-geostrophic stationary waves in a zonal flow, are ...

分析结果表明，Plumb通量和EP剖面图，不仅可以用来诊断波作用在三维空间的传播、波动与纬向平均气流之间的相互作用，而且也可以用来诊断非线性作用的显著性，在利用它们对于观测资料进行诊断分析时，应当充分注意到非线性作用的影响。

But, Formula holds only for the condition in the stationary current flow, or in the stationary temperature pressure field and uniform temperature pre...

爱克曼范式，系属气压场稳定，温度梯度恒态为零时，该公式之特解。

But, Formula holds only for the condition in the stationary current flow, or in the stationary temperature pressure field and uniform temperature pressure gradie...

爱克曼范式，系属气压场稳定，温度梯度恒态为零时，该公式之特解。

Firstly, Flow patterns which related with the characteristics of measurement have been studied with both the time series analysis and density wave theory, which lay a solid foundation for oilAvater two-phase flow measurement Then a theoretic model of oil/water two-phase flow measurement based on stationary density wave theory has been brought up.

论文首先研究了与测量特性有关的油水两相流流型问题，基于时间序列分析和密度波理论分别得到了流型表征结论，为进一步从测量的时间序列波动信号辨识流型奠定了方法基础。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。