This paper described a new method for preparation of ethyl lactate from ammonium lactate directly by means of reactive distillation in the presence of anhydrous aluminium chloride as catalyst and benzene as dehydratin...
Supported by National Natural Science Foundation of China (Grant No. 20036010)
This paper extends the stochastic frontier production theory to the case of multiple outputs and calculate the measurement of efficiency using the production theory. We further apply this method to construct the stoch...