bulk mixing

基本解釋

Change in viscosity of test fluids alters principally pumping flow of impeller and therefore influences bulk mixing.
當物系為中等粘度假塑性流體時，混合速率由槳葉泵送流動的流量和形態(tài)所決定；
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.
如果是受到機械式的攪拌或者是密度梯度發(fā)生了變化而使得管中有大量的分層的氣體，那么傳遞就主要通過強制對流或自然對流而發(fā)生。
blog.sina.com.cn
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.
現(xiàn)在他們不再簡單地將它們混合在一起，而是開發(fā)了新的方法把他們排成規(guī)則陣列來控制顆粒的取向。