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quality units, it defined as the sum of the labor force weighted by the productivity index which is approximated by the wage level of workers according to their level of educational attainment and age group. Labor input in quality units increased by 4.7 percent annually during the period 1955~1979.
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dimensions of the perceptual map. The dimension of the perceptual map consists of the components extracted through the factor analysis. There are three components: (1) Core Quality (2) Efficiency (3) Peripheral Quality. Therefore we can make up three two-dimensional graphs: (i) Core Quality and Effi
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index )
…75 ; 반수 또는 그 이상
…80이상 ; 대부분이 불쾌
cf) 불쾌지수 ; 0.72(ta+tw)+40.6
ta ; 건구온도 ( )
tw ; 습구온도 ( )
- 온, 습도와 작업능률
고온조건의 영향
- 산소소비량 증가 ⇒ 발열량 증가
- 피부온도, 체온상승, 혈압저하, 맥박수증가, 제
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