in this paper, we first collect the earlier results about some graph operations and then wepresent applications of these results in working with chemical graphs.

in this paper, some applications of our earlier results in working with chemical graphs arepresented.

We describe a methodology for optimal controller construction for chemical batch plants. The emphasis lies on the problem of running multiple batches. We consider a layered design and solution to the above problem, in particular with a lower layer realised in PLCs and a higher layer realised on arbitrary computer systems (usually PCs), such that the lower layer ooers to the higher layer a colle...

today oil removal from contaminated soil by new methods such as bioremediation is necessary.  in this paper, the effect of chemical fertilizers and aeration on bioremediation of oil-contaminated soil has been investigated. also the control group, (bioremediation of petroleum hydrocarbons in contaminated soil without treatment by chemical fertilizers and aeration treatment was examined. the cond...