QUANTUM DESCRIPTION OF FERMI ARCS IN WEYL SEMIMETALS IN A MAGNETIC FIELD


REMOVAL OF OIL AND GREASE FROM AN OIL REFINERY EFFLUENT

In this research performed during 1993-1994, the effluent of Behran Oil Refmery, in south of Tehran, which produces different types of industrial oil and greases, was studied and 3 methods of gravity separation, coagulation and flocculation and dissolved air flotation were investigated.In the first phase of the survey, the quality and quantity of t

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THE AUTOMATION SYSTEM OF ACCOUNTING SPORTING ACTIVITIES

In recent years become a popular healthy lifestyle.Sport is an activity that serves the public interest by implementing educational, preparatory and communicative function, but not a Girls Easter Top constant specialty (profession) person.The development of current sports, requires resources that will not only automate the work of the organizers of

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