A Drift Potential Index(DIX) was calculated from parameters of vertical drift concentration in a section 2 m downwind from the nozzle. This is a practical and easy method to evaluate the driftability of the sprays.

• 通过测定在喷头下风向2 m处垂直测试平面内的雾滴飘移量计算出飘移潜在指数(D IX),用于评价喷头的飘移特性,是一种简单实用的有效方法。