Over time, the pavement structure deteriorates. Factors that contribute to deterioration of are traffic load, material properties and climate influences. Low temperatures lead freezing water appearance ice lenses, which raises structure. It is necessary check resistance harmful effects frost. This paper presents calculation frost index value for six meteorological stations in Serbia period from...

this research aims at presenting a consolidated model of data envelopment analysis (dea) technique and value engineering to select the best manufacturing methods for gate valve covers and ranking the methods using topsis.to do so, efficiency evaluation indices were selected based on the value engineering approach and different manufacturing methods were evaluated using dea technique.finally, ef...

OBJECTIVES/HYPOTHESIS The present tutorial is the seventh in a series of Tutorials in Clinical Research. The specific purpose of the tutorial (Part A) and its sequel (Part B) is to introduce and explain three commonly used statistical tools for assessing contrast in the comparison between two groups. STUDY DESIGN Tutorial. METHODS The authors met weekly for 10 months discussing clinical res...