On the effect of centering error in the mounting of master ball upon the measurement of radial motion of an axis of rotation

1、

This paper presents a new method for an estimation of the axis of rotation based on line element geometry and kine-matic equation.

提出了一种基于线元几何与运动方程的旋转体点云数据特征分离与旋转轴提取算法。

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2、

The measurement concerning the radial motion of an axis of rotation is one of among the key items of measurement in mechanical engineering.

回转轴径向误差运动的测量是机械工程测量中的重要项目之一。

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3、

For the moment of inertia, we want the square of a distance to the axis of rotation.

至于转动惯量，要求的其实是到旋转轴距离的平方。

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4、

Unbalance means the non-uniform distribution of the mass of a rotor about its axis of rotation.

不平衡是指转子相对于其旋转轴质量分布不均匀。

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5、

Just I would have to sum the square of a distance to the axis of rotation.

只要计算到旋转轴距离的平方的总和。

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6、

Precession basically is the change in the direction of earth's axis of rotation.

旋进基本上是地轴旋转方向的变化。

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7、

Disturbances to a Rotating Fluid with a Sphere Moving along the Axis of Rotation

旋转流体中圆球沿旋转轴运动产生的扰动

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8、

Use the principle of axis of rotation to calculate the conical cutter axis vector.

通过绕空间轴旋转原理计算锥形刀刀轴矢量。

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9、

A Dynamic Balancing Method for Determining the Axis of Rotation of Spinning Spacecraft

确定自旋航天器旋转轴的动平衡方法

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10、

An Estimation Algorithm of the Axis of Rotation from 3D Cloud Data Based on Line Element

基于线元几何的旋转面点云数据旋转轴提取算法

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11、

The part of the azimuth adopts a revolving pedestal, the part of the pitching combines a photoelectric sensor and the axis of rotation.

方位部分采用转台式结构，俯仰部分把光电传感器与转动轴合二为一。

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12、

The concentrated load is applied by changing the axis of rotation of the frame and fork to MPC multipoint restriction.

运用MPC多点约束方式代替了车架和平叉转动轴，并用这种方式对有限元模型施加集中载荷。

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13、

Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared homogeneous precipitation method.

以八水氢氧化钡和尿素为原料, 采用均相沉淀法制备了碳酸钡粉体.

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14、

The determination of sulfur in thiolated chitosan resins with barium sulfate nephelometry was developed.

研究硫酸钡浊度法测定硫代壳聚糖树脂含硫量的方法.

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15、

A white pigment consisting of a mixture of zinc sulfidezinc oxide , and barium sulfate.

一种矿石,是锌的主要来源,含大量晶体状硫化锌.

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16、

Chemical properties of stability, with a total reduction of carbon barium sulfide.

化学性质稳定, 与碳共热还原为硫化钡.

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17、

Fine powders of barium ferrite were prepared by auto-combustion method.

采用自燃烧法制备了钡铁氧体微粉.

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18、

Expansion curve tunnel axis is the axis of symmetry, the tunnel axis at the stratigraphic sedimentation value.

扩展曲线以隧道轴线为对称轴，隧道轴线处地层沉降值最大。

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19、

The shape of ballistic reentry vehicle generally is axial symmetry, but its mass center may be departure from the axis of its symmetry.

弹道式再入飞行器一般为轴对称旋成体，但其质心可以偏离对称轴。

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20、

Results show that: ( 1) In the bending process of the I-shaped structural beams of bamboo, the axis of symmetry of the deflection value in the middle and both sides are diminishing symmetrical distribution, the deflection value of hinged fulcrum position is essentially unchanged.

结果表明：（1）竹质工字型结构梁受弯过程中，竹质工字型结构梁挠度值以中间为对称轴两侧呈递减对称分布，两端简支点位置的挠度值基本没有变化。

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