Surface active agents - determination of viscosity and flow properties using a rotational viscometer 表面活性剂用旋转式粘度计测定粘度和流动性质的方法
With the popularity of rotary machinery in industry , the characteristics of the flow in the controlling pipe system , the transporting pipe system , and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery , consequently , fluid flow in rotating pipes has become one of the urgent problems in engineering and one of the challenging research fields in fluid mechanics 随着旋转性机械在工业中的广泛应用,其中的控制管路系统、输送管路系统、冷却管路系统的流动性质是提高这些机械性能的重要因素,因此这些管路系统中流体运动的特点成为工业应用中迫切需要解决的问题,也成为流体力学中最有前途的研究领域之一。