偏心

Because of the fact that there exists a mathematical identity between the statically indeterminate moments in the compatibility equation and the fiber stresses in the equation of eccentrically loaded columns, in analyzing singly-connected rigid frames with degree of redundancy not more than 3, it is usually possible to use the familiar formula for short columns eccentrically loaded to analyse the indeterminate moments, which is called the column analogy.

在解析小於三次靜不定的單空剛構時，由於變形諧調條件中，靜不定彎矩的關係式與直柱偏心受壓中應力的關係式形式相似，常可利用在材料力學中已熟悉的偏心受壓柱公式來幫助解析，這就叫做柱比分析法。

Afterwards, a system of mathematical equations to completely describe the laminar flow in horizontal pipes is obtained.

本文揭示了环状流中核心流体偏心时，核心流体的流量与流体性质、偏心距的关系，对输送高粘流体的工程设计具有重要意义。

The asymmetric stripline is widely used in LTCC microwave integrated circuit system. Different kinds of discontinuity are often encountered in the circuit design, such as open circuits, steps, right-angle bends, T-junctions and so on. This paper successfully transplantes the equivalent circuit model of microstrip line discontinuity to the asymmetric stripline so as to deal with T-junction discontinuity and the branch-line coupler constructed by parts with various discontinuity. Compared with numerical results, the average error of S parameters is less than 2%.

偏心带状线广泛应用于LTCC微波集成电路系统中，其电路设计过程中也经常会遇到诸如开路端、阶梯、直角拐角及T型接头等各种不连续性问题；该文成功地将原有的微带线不连续性等效电路模型移植到偏心带状线上，从而分析了其T型接头不连续性和由其不连续性部分组成的电路组件分支线耦合器；与数值计算结果相比，其S参量的平均误差小于2%。

In this paper,the Newtonian fluid model was used to describe rheological property of the produced fluid,and motion equation of unsteady flow of Newtonian fluid in eccentric annulus with the inner cylinder reciprocating axially was transformed by means of the method of undetermined coefficients.

采用Newton流体模式描述油井产出液的流变性，利用待定系数法变换Newton流体在内管做轴向往复运动的偏心环空中非定常流的运动方程，建立给定流量下Newton流体在内管做轴向往复运动的偏心环空中非定常流的压力梯度计算公式，并利用有限体积法对压力梯度进行数值计算。

Though analysis the dynamic unbalance moment of couple on three ring reducing gear,puts forward the improvement of plan for the bearing liveload.

通过分析"三环减速机"存在的动不平衡力偶矩，对轴承动载荷提出改进方案，将原来的三环三偏心改成三环二偏心，消除动不平衡力偶矩和轴承附加动载荷，以期对"三环减速机"的设计、使用和维护提供有益的帮助。

Results show that the field amplitude and S parameter decrease with the oblique misalignment angle increase.

结果表明：随着倾斜偏心度的逐渐增大，倾斜偏心同轴波导的S21参数和电场的幅值减小，但减小的幅度不是很明显，不会影响同轴波导的正常工作。

The system of roll mill press down is controlled to compensate the thickness variation of the hot strip mill so as to improve the hot-rolled strip thickness accuracy .

从各种随机噪声的轧制力信号这一复杂高频干扰周期波中分离出偏心信号，控制轧机在压下系统实现对偏心的补偿，以提高热轧带钢的厚度精度。

The devices, such as multi-component measurement table and thrust vector measurement rotating table, are used frequently, but they are suitable only for steady test of the thrust misalignment, especially it cant do very well when some load is very high and other loads were low.

目前，发动机推力偏心测试装置常用多分力测试台架和推力矢量测试转台装置，但通常只适合稳态推力偏心测量，且当各分力的量程相差太大时，难以取得理想的效果。

This paper analyze instantaneous forth and constraint of the rotor according to the motion Characteristics of eccentric Squirmy mechanism.

本文根据偏心蠕动机构的运动特性，分析了转子瞬时时刻的受力以及约束情况；并根据偏心蠕动式转子泵实际设计参数，计算和分析了泵排液过程中的六个工况点。

Based on the geometry and motion chamacteristics of hydraulic end in eccentric and squirmy rotor pump, the stress and restriction condition of rotor during the squirmy process were analyzed. According to the design parameters of eccentric and squirmy rotor pump, the load and restriction condition at six operating points were calculated and anaized.

针对偏心蠕动式转子泵液力端的几何结构及运动特性，分析了转子平面蠕动运动过程中的受力以及约束情况，并结合偏心蠕动式转子泵实际设计参数，计算和分析了泵工作过程中的6个工况点的载荷和约束。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。