By means of the theoretical deduction, It was explained that liquid drops could be formed, when the surface tension and weight is same as the cohesive force of liquid.

• 摘要通过理论推导，说明在一定条件下，金属液流在其表面张力、重力和与此重力相应的液流柱内聚力相平衡时，可形成体积与金属液流自由下落出流孔径有关的液滴。