Increased gas productivity
index gas of spontaneous combus-tion
climatic productivity index
dimensionless fluid productivity index
dimensionless productivity index
Fluid Productivity Index
ideal productivity index
initial productivity index
integrated productivity index ( IPI )
Liquid Productivity Index
Malmquist productivity index
Malmquist生产力指数
Malmquist生产率指数
Malmquist指数
麦氏生产力指数
曼奎斯特生产率指数
Malmquist产力指数
Malmquist Productivity Index MPI