Effect of Grinding Medium Density on Reducing Rate of Coarse Particles by Dry Grinding Using Methanol as a Grinding Aid

WEAR RATE PREDICTION OF GRINDING MEDIA USING BPNN AND MLR MODELS IN GRINDING OF SULPHIDE ORES

Nowadays steel balls wear is a major problem in mineral processing industries and forms a significant part of the grinding cost. Different factors are effective on balls wear. It is needed to find models which are capable to estimate wear rate from these factors. In this paper a back propagation neural network (BPNN) and multiple linear regression (MLR) method have been used to predict wear rat...

THE EFFECT OF GRINDING TIME ON THE SPECIFIC SURFACE AREA DURING INTENSIVE GRINDING OF MINERAL POWDERS

Abstract: the changes of BET surface area of a mineral substance during intensive grinding process. Validity of the proposedmodel was tested by the experiments performed using a natural chalcopyrite mineral as well as the published data. Itwas shown that the model can predict the experimental results with a very good accuracy and can be used to predictwhat may happen under the similar experimen...

Effect of coarse or fine grinding on utilization of dry or ensiled corn by lactating dairy cows.

This study evaluated the effect of coarse or fine grinding of three forms of corn on the performance of lactating cows. Six diets, fed as total mixed rations, were identical except for the corn portion of the diet. Corn treatments were dry shelled corn, high moisture ensiled ear corn, and high moisture ensiled shelled corn, either coarsely or finely ground. The experimental design was a 6 x 6 L...

Lectures on Bubblemint and Grinding

In these talks I would like to sketch the core conceptual vocabulary of an approach to grammatical theory that has been developed in a number of unpublished papers and lectures over the past few years, and which is rather promising, in my opinion. My purpose here is not to give a final and complete presentation of the theory, but rather to pull together what seem to me to be the most promising ...

Effect of Grinding or Dry-Rolling of Wheat Grain on Performance, Some Blood and Rumen Parameters on Holstein Calves