本文提出了一种确定液相分离球滴微相粒度分布的X射线小角散射数据处理方法——多级斜线法。提出了根据多级斜线法的数据计算粒度分布图的方法。克服了逐步切线法所得的粒径数据少(4至6个)、误差大和只给出分立粒径体积分数的缺点。对铁红釉液相分离球滴微相粒度作了测定,给出了该典型试样的粒度分布数据。对若干影响小角散射强度的因素作了讨论。 In this paper, we propose a multi-level oblique line method for X-ray small-angle scattering data processing to determine the particle size distribution of liquid droplets. A method of calculating the particle size distribution map based on the multistage oblique line method is proposed. Overcome the step-tangent method obtained particle size data less (4 to 6), the error is large and only given the discrete particle size of the shortcomings. The particle size of droplet micro-phase in iron-red glaze liquid phase separation was measured, and the particle size distribution data of the typical sample were given. Several factors that affect the small-angle scattering intensity are discussed.