同心环

本文基于Mindlin中厚板理论，给出了域内设有多道同心环向支承时中厚环板弯曲振动分析的一种有效方法。

Based on Mindlin plate theory , a flexural vibration analysis of moderately thick annular plates on multiple concentric ring supports is presented in this paper .

同心环支承圆板的屈曲特征方程

Characteristic Equation of Buckling for Circular Plate with Concentric Ring Support

域内同心环支Mindlin中厚环板的弯曲振动

Flexural Vibration of Mindlin Moderately Thick Annular Plates on Multiple Concentric Ring Supports

Casson流体轴向同心环空中速度及温度分布研究

Velocity and temperature profiles of Casson fluid flow in annulus pipe

同心环隙有压科特（Couette）流总论

On Couette Flow in a Concentric Circular Clearance With Pressure Gradient

H-B流体在小井眼同心环空中轴向层流的运动规律

The axial laminar flow pattern of H-B fluid in the concentric annular of slim hole

文中从RS流体的本构方程出发，理论上推导了RS流体在钻柱内和同心环空中作轴向层流动时的流速、流量、压耗及流核尺寸的大小。

According to RS constituent equation we derive the velocity of flow , flow rate , pressure loss and the size of unsheared plug-flow as RS fluid flowing in pipe and concentric annulus under axial laminar condition .

本文将非牛顿流体动量方程、能量方程与HB流体的本构方程相结合，推导出了流体在轴向同心环空中的速度及温度分布公式。

Combining the constitutive equation of Herschel-Bulkley fluid with the momentum equation and the energy equations of non-Newtonian fluid , the velocity and the temperature profiles for the annulus pipe flow of Herschel-Bulkley fluid are obtained .

采用全固态倍频Nd：YAG激光器取代传统的He-Ne激光器作光源，以一维线阵CCD取代传统的同心环光电探测器作为光信号探测器，自行搭建起一套测量微粒粒径分布的光电实验装置。

We built , with our hands , a set-up of particle sizer with an all-solid-state Nd : YAG laser replacing the more conventional large-frame He-He laser , and a linear CCD array instead of the traditional concentric semi-ring shaped photoelectric detector .

从理论上对赫谢尔-巴尔克莱（Herschel-Bulkley）流体在同心环空内稳定轴向层流流动时流核尺寸及流动压降的计算进行了精确的分析。

This paper presents an analytical solution for the plug flow region bounds and pressure drop of steady-state axial laminar flow of incompressible Herschel-Bulkley fluids in the concentric annuli of drilling wells .

本文对赫谢尔巴尔克莱（HerschelBulkley）流体在钻井同心环空内稳定轴向层流流动规律作了精确的理论分析。

This paper presents an analytical solution for the steady-state axial laminar flow of incompressible Herschel-Bulkley fluids in concentric annuli . Accurate models for velocity profile and pressure drop of this flow are developed .

带屈服值的假塑性流体同心环空稳态波动压力研究

Study on Steady Surge Pressure for Yield-Pseudoplastic Fluid in a Concentric Annulus

赫谢尔&巴尔克莱流体同心环空轴向层流流动规律理论分析

Analytical Solution for Axial Laminar Flow of Herschel-bulkley Fluids in Concentric Annuli

幂律流体同心环空螺旋流数值模拟

Numerical modeling of the power-law fluid in a helical flow

轴对称同心环支承圆板的热屈曲

Hot buckling of circular plate with nonlinear axisymmetric and concentric ring support

我们照片里的同心环，正与柏拉图描述的一样。」

We have in the photos concentric rings just as Plato described .

同心环空中宾汉液体结构流及其稳定性

The structural flow and the stability of Bingham fluids in concentric annuli

通过模拟实验对同心环隙科特流进行了研究。

The Couette flow between two concentric cylinders is studied by imitation experiment .

其岩体形态为条带状和同心环带状。

The complex has a striped and concentric-ring shape .

同心环波纹碟片旋转床制备纳米碳酸钙

Preparation of Nano-Sized Calcium Carbonate Using Rotating Packed Bed with Homocentric Ring Discs as Filling

双列螺旋弹簧卷绕机卷曲的（同心环或螺旋线）。

Double torsion machine curled or wound ( especially in concentric rings or spirals ) .

绕成盘状形成同心环或螺旋线。

To form concentric rings or spirals .

聚环氧乙烷球晶中同心环纹和同心环线的观察

Observation of the concentric banded stripes and rings within poly ( ethylene oxide ) Spherulites

同心环碟片填料旋转床气相压降实验研究

An experimental research on gas phase pressure drop dynamics for rotating bed using wave disk plate

受任意个同心环支圆板横振特性的传递矩阵法

The Transfer Matrix Solution of Transverse Vibration of Circular Plates with Arbitrary Number of Concentric Ring Supports

在建立同心环空波动压力的精确模式基础上，求解了偏心环空稳态波动压力的近似解。

On the basis of concentric annular fluctUation pressure model , approximate solution of eccentric annular was soluted .

而在不同纵向位置，这些同心环的强度分布是不同的，且是周期性变化的。

However in different longitudinal position , the intensity distribution of these rings is different and varies periodically .

聚丙烯酰胺水溶液在内管带有等距环槽的同心环空中流动的压降

Pressure drop of flow of PAM aqueous solution in concentric annuli with isometric ring slots on the inner cylinder

沿走廊被禁赛8个庞大的外城墙同心环和两个巨大的电动马达驱动。

The corridor was suspended along eight massive concentric rings outside its walls and powered by two giant electric motors .

单个颗粒在垂直同心环空牛顿流体及幂律流体中运动规律的研究

A experimental research for the movement of a single particle in vertical and concentric annuli through Newtonian and power law fluids