Abstract. In this article, a study on multi-objective optimization of the milling process is presented. CNC machine, cutting tool as TiAlN, experimental material SCM400 steel and coolant Caltex Aquatex 3180 oil have been used in experiment. The objective to simultaneously ensure minimum surface roughness maximum removal rate (MRR). Taguchi method has applied design an matrix with five input par...

in this paper we introduce the notions of fuzzy transposition hypergroupsand fuzzy regular relations and investigate their basic properties.we also study fuzzy quotient hypergroups of a fuzzy transposition hypergroup.

This paper investigates the selection of best suitable eco-friendly organic and in-organic refrigerants for heating, ventilation, air conditioning (HVAC) renewable energy devices. Inorganic are used to cool devices, such as solar cells, photovoltaics, electronic Owing community’s importance, development in this area has rapidly improved over past few years. R134a, R404, R717 have become most HV...

Abstract: Education is one of the most important aspects in world. continues to change and develop an orderly logical manner. The world education cannot be separated from role a teacher. teacher process teaching learning activities classroom shape character students. Therefore, expected able create human resources who have knowledge abilities. Based on this, selection best teachers needs done s...