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1·By type factors and transitional momentum integral equation, the approximate expression of momentum thickness is presented as well.

借助于型参数，通过变换动量积分方程，得出动量损失厚度近似解的表达式。

2·Conservation of mass, momentum, and energy are used to solve for the liquid film thickness, velocity, and temperature.

通过求解质量守恒、动量守恒、能量守恒方程，获得液膜厚度、速度与温度等参数。

3·Conservations of mass, momentum, and energy are used to determine liquid film thickness and temperature.

液膜厚度、速度与温度等参数通过求解液膜的质量守恒、动量守恒、能量守恒方程获得。

4·The results show that the shrinkage of injection molding part is increased with thickness of parts in non-linearity, and the increase momentum is moderated with the increase of thickness.

结果表明，制品厚度对其成型收缩的影响很大，制品厚度增大时，注射成型收缩率增大，但这种增大的趋势是非线性的，而是随着厚度的增加而逐渐减缓。