多孔淀粉是一种中空变性淀粉，有超声波照射、喷雾、机械撞击、醇变性和酸水解等多种生产方法。

Porous starch, a new type of modified starch with hollow structure, can be produced by ways of ultrasonic irradiation, spraying, mechanical impact, alcohol denaturalization or acid hydrolysis.

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采用M IXTURE双相流数值模拟的方法研究压力涡流喷嘴结构因素对形成中空锥喷雾的影响。

The influence of structure factor of pressurized-swirl injector nozzle on hollow cone spray was studied by using MIXTURE dual phase flow numeric simulation method.

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