یاری, محمد

[ 1 ] - طراحی و ساخت آداپتور آزمون حفاظهای شنوایی

Introduction: To determine the effectiveness of hearing protective devices that lack the technical information are one of the major challenges of occupational health experts to judge the impact of this exposure on reducing the level of occupational exposure to noise. The aim of this study was to design a built a hearing test adapter and expriment it to determine the reduction rate of earmuffs a...