The effect of viscosity index improvers on viscosity of engine oils was investigated.
考察了加入粘度指数改进剂对内燃机油运动粘度的影响。
The pressure effect of viscosity for polymer melts during die extrusion flow was analyzed.
分析了聚合物熔体于口型挤出流动中粘度的压力效应。
The research of fluid-solid coupling has sharp unsteady and nonlinear character, so the effect of viscosity have to be considered.
流固耦合具有强烈的非定常、非线性，因此黏性效应不可避免。
应用推荐