第四届全国多相流、非牛顿流、物理化学流学术会议于1993年10月25～28日在古都西安召开。出席会议的有来自全国各高等院校、科研院所的正式代表共98人，有93篇论文分别在三个专题会场进行了交流。本次大会作为我国流体力学领域的一次高水平盛会，既是对我国近年来在多相流、非? The Fourth National Multiphase Flow, Non-Newtonian Flow and Physical Chemistry Flow Symposium was held in the ancient capital of Xi’an from October 25 to 28, 1993. A total of 98 formal representatives from all institutions of higher learning and research institutes attended the conference, and 93 papers were respectively exchanged at the three thematic conferences. The conference, as a high-level event in the field of fluid mechanics in our country, is not only a multi-phase flow to China in recent years,