The property tests and application results showed that DSMPA had excellent dispersibility, emulsifying ability and high viscosity reducing efficiency for emulsifying Daqing Heidimiao heavy crude oils.
性能测试和应用结果表明，该产物具有良好的乳化力和分散力，对大庆黑帝庙稠油具有较好的乳化降粘效果。
Some improvement in efficiency can be gained at high speed by reducing viscosity and at low speed by increasing viscosity.
在高速时降低粘度，在低速时增大粘度，均可提高效率。
The mechanism and methods of viscosity drag reduction are briefly discussed. Some of its applications for saving energy and materials, improving efficiency or reducing noise and vibration are given.
本文综述了几种粘性减阻方法及其减阻的机理，联系了其在水相、油相中节约能源、材料，提高速度和效率等方面的应用。
The mechanism and methods of viscosity drag reduction are briefly discussed. Some of its applications for saving energy and materials, improving efficiency or reducing noise and vibration are given.
本文综述了几种粘性减阻方法及其减阻的机理，联系了其在水相、油相中节约能源、材料，提高速度和效率等方面的应用。
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