### MEASUREMENT AND CALCULATION OF LIBERATION IN .

function after constrained optimization with Rosenbrock Hillclimb ..... 68 The calculated, conditional on size, volumetric grade distribution by volume, for the + g/cc DolomiteSphalerite sample producedf j v by fractionation. Here, j is used as an index to a volumetric grade class

### Determination of Bond index of Birnin Gwari Iron Ore in ...

to laboratory jaw crusher. The samples were crushed and pulverized, part of pulverized samples were weighed for sieve analysis. The modified Bond''s method of determining the net work index of ore involves use of reference ore of which grindability is known. The procedure is as follows. 1.