• With increasing of superficial gas velocities, the liquid flow regime was changed from homogeneous to transitional and radial gradient of axial liquid velocity was rather small.

    表观增大,初始流体流动处于均匀流型过渡流型转变轴向液体速度在径向梯度非常小;

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  • Results show that the axial index gradient can compensate the effect caused by radial index gradient in some cases.

    结果表明轴向折射率梯度一定条件下可以补偿径向折射率梯度影响

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  • In this paper new ideas and improvements to the local approach are introduced, for instance yield locking by locally multi axial stress state and the effects of the stress gradient.

    本文局部一些改进例如引进了局部应力状态引起流变障碍应力梯度的影响

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  • A general method for designing magnetic field gradient coils on a cylindrical surface with an axial magnetic field to be used in NMR imaging is suggested and developed.

    系统地介绍了用于磁共振成像系统具有轴向磁场圆柱型表面梯度线圈设计优化。

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  • The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.

    通过Z磁场梯度线圈电流多项式拟合,以获得磁场不均匀而引起的相位分布。

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  • On the contrary, the radial gradient of axial velocity decreases downwardly along the axial direction. Therefore, the axial velocity distribution becomes horizontal gradually.

    速度径向梯度沿轴向向下逐渐变小,轴向速度分布也逐渐趋于水平直线状。

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  • The results show that the main origins of the production of defects are axial temperature gradient and thermal stress in crystal.

    结果表明温度梯度应力形成晶体缺陷主要原因

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  • T he results of the basic research show that a tri-axial stress will be produced in the tensile specimens because of components property difference of the metal matrix gradient composites (MMGC).

    理论研究表明金属梯度复合材料MMGC)各组分性能差异使其拉伸变形时产生了应力

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  • Along with crystal growth, the axial temperature gradient at the interface of liquid-solid was reduced.

    随着晶体生长界面轴向温度梯度逐渐减小。

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  • Along with crystal growth, the axial temperature gradient at the interface of liquid-solid was reduced.

    随着晶体生长界面轴向温度梯度逐渐减小。

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