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급속건조법(急速乾燥法)에 의한 은수원사시재(材)의 인공건조(人工乾燥)스케쥴 개발(開發)
이형우,Lee, Hyoung-Woo 한국목재공학회 1987 목재공학 Vol.15 No.2
A study was conducted to determine the kiln drying schedule for hydrid aspen, This kiln drying schedule was found by oven drying method and developed by pilot testing of 2.0cm, 2.5cm, 3.0cm-thick green lumber. The results of this study were as follows: 1. Kiln drying schedule developed by oven-drying method was $T_{12}-E_5$ for 2.5cm-thick green lumber. 2. Drying times for 2.0cm-thick green lumber(127.0 percent moisture content) to 7.3 percent moisture content, for 2.5cm-thick green lumber(95.0 percent moisture content) to 9.7 percent moisture content, and for 3.0cm-thick green lumber(118.5 percent moisture content) to 10.0 percent moisture content were 45 hours, 45 hours, and 54 hours, respectively. 3. Drying rate from 90 to 10 percent moisture content of 2.5cm-thick lumber was about 0.7 times faster than that of 2.0cm-thick lumber and about 1.1 times faster than that of 3.0em-thick lumber. 4. End checks for 2.0cm-, 2.5cm-, and 3.0cm-thick green lumber occurred 95, 74 and 100 percent moisture content, respectively and reached maximum amount in 53, 41, and 60 percent moisture content, respectively. 5. No surface check and no honeycomb occurred. 6. Cupping and collapse slightly occurred and the quality of dry lumber was first.
소상공인의 학습목표지향성과 업무열의 관계에서 긍정심리자본의 매개효과
이형우,김만수,김정원,Lee, Hyung Woo,Kim, Man Soo,Kim, Jung Won 중소기업융합학회 2021 융합정보논문지 Vol.11 No.8
본 연구의 목적은 소상공인의 학습목표지향성과 업무열의 관계에서 긍정심리자본의 매개효과를 검증하는 것이다. 연구목적 달성을 위하여 중소기업중앙회 소상공인 지원 프로그램에 참여한 소상공인 300명의 설문결과를 분석에 활용하였다. 수집된 자료는 빈도 및 기술통계 분석, 신뢰도 및 타당도 분석, 상관관계 및 구조방정식 모형을 활용하여 분석하였다. 연구 결과, 첫째, 소상공인의 학습목표지향성은 긍정심리자본에 정적인 영향을 미치는 것으로 나타났다. 둘째, 소상공인의 긍정심리자본은 업무열의에 정적인 영향을 미치는 것으로 나타났다. 셋째, 소상공인의 긍정심리자본은 학습목표지향성과 업무열의 관계에서 완전매개 하는 것으로 나타났다. 이상의 연구 결과를 바탕으로 소상공인의 학습목표지향성, 긍정심리자본 및 업무열의 증대를 위한 이론적 논의와 실천적 시사점을 제언하였다. The purpose of this study was to examine the mediating effects of Positive Psychological Capital on the relationship between Small Business Enterpreneur's Learning Goal Orientation and Work Engagement. In order to achieve the purpose of research, the survey results of 300 small business Enterpreneurs who participated in the K-BIZ's Small Business Enterpreneurs Support Program were used for analysis. The collected data were analyzed using frequency analysis, reliability analysis, confirmatory factor analysis, descriptive statistical analysis, correlation analysis and structural equation model. The results of this study were as follows: First, learning goal orientation of small business enterpreneurs had positive effect on positive psychological capital. Second, positive psychological capital of small business enterpreneurs had positive effect on work engagement. Third, positive psychological capital of small business enterpreneurs had full mediating effect on the relationship between learning goal orientation and work engagement. Based upon these results, several suggestions were suggested to promote small business enterpreneurs' learning goal orientation, work engagement, and positive psychological capital.