Change in viscosity of test fluids alters principally pumping flow of impeller and therefore influences bulk mixing.
当物系为中等粘度假塑性流体时，混合速率由桨叶泵送流动的流量和形态所决定；
If there is a bulk mixing of the layers of gas in the tube by mechanical stirring or because of a density gradient, mass transfer occurs primarily by the mechanism of forced or natural convection.
如果是受到机械式的搅拌或者是密度梯度发生了变化而使得管中有大量的分层的气体，那么传递就主要通过强制对流或自然对流而发生。
Instead of concocting the material in bulk, like mixing batter, the team is developing a process to control the particles' alignment by assembling them in regular arrays.
现在他们不再简单地将它们混合在一起，而是开发了新的方法把他们排成规则阵列来控制颗粒的取向。
Stimulated four-photon mixing (SFPM) has been observed in silicn fiber by using the dispersion of the waveguide modes to compensate for bulk dispersion.
利用光纤不同模式间的色散补偿介质的色散观测到了不同模式对的SFPM。
Stimulated four-photon mixing (SFPM) has been observed in silicn fiber by using the dispersion of the waveguide modes to compensate for bulk dispersion.
利用光纤不同模式间的色散补偿介质的色散观测到了不同模式对的SFPM。
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