科技文稿内容疏误例析（１３～１６）钱文霖主编例１３…随发泡剂粒度的增大，发泡均匀性降低，即发泡剂在试样纵截面上分布均匀性降低。这是由于发泡剂的上浮速度与粒子的半径平方成反比，发泡剂颗粒大上浮速度大，故均匀性下降。而当发泡剂颗粒直径小时，上浮速度减小，... (13 ~ 16) Qian Wenlin editor of Example 13 ... With the increase of the particle size of foaming agent, the foaming uniformity is reduced, that is, the uniformity of the foaming agent in the longitudinal section of the sample is reduced. This is because the rising speed of the blowing agent is inversely proportional to the square of the radius of the particles, and the blowing speed of the blowing agent particles is large, so that the uniformity decreases. When the foaming agent particle diameter is small, the floating speed is reduced, ...