过去任何来自于核外层的厚度、粘性和导电性变化都会导致对流形式变化从而引起磁极倾斜。
Changes in the thickness, viscosity and conductivity of the outer core in the past could have led to convection patterns that caused the magnetic pole to tilt.
分析了蒸气在多孔介质内沿水平平板和填充国管内受迫对流凝结时两相共存区的厚度。
The two-phase region thickness is analyzed for the case vapor flow along horizontal plate in a porous medium and in a horizontal packed tube.
当电池表面温度处于相变材料的相变温度 区间时，继续增加材料厚度和对流换热系数散热效果不显著；
When the battery surface temperature is in the phase change temperature range, the cooling effect is not obvious by continuing increasing material thickness and convective heat transfer coefficient.
通过测量表面速度和流层厚度，初步分析了流率及壁面状况对流动的影响。
Surface velocities as well as flow thickness were evaluated by means of tracer particles by which the influence of the flow rate and wall-wear was analyzed in experiment.
考虑到前体壁面边界层厚度对流动结构的影响，提出了边界层效应的修正方法。
Taking into account the boundary layer effect on flow structure, a correct formula was given.
单板厚度干缩率平均为6．8％，高于网带传送对流干燥的单板3．3％； 横纹于缩率4．8％，低于对流干燥的单板7．9％。
The average thickness shrinkge rate (6. 5%) is higher than that of convection drying (3.3%) and cross-grain shrinkge rate (4.8%) is lower than that of convection drying 7. 9 %.
相对厚度对流量系数和混合效率因子也产生了较为明显的影响。
It is also found that the relative thickness has great influence on the flow coefficient and mixing efficiency.
管端面熔化的最佳时间，是随着需要加热的面积增大而增大的，更重要的是对流和辐射传播的能量，会随着管壁厚度的增加而减小。
The best time to melt the end of the tube increases with the increase of heating area, and more importantly, the energy of con vection and radiation decreases with the increase of the wall thickness.
管端面熔化的最佳时间，是随着需要加热的面积增大而增大的，更重要的是对流和辐射传播的能量，会随着管壁厚度的增加而减小。
The best time to melt the end of the tube increases with the increase of heating area, and more importantly, the energy of con vection and radiation decreases with the increase of the wall thickness.
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