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하재길(Ha, Jae-Gil),김현우(Kim,Hyun-Woo) 한국의사결정학회 2013 의사결정학연구 Vol.21 No.2
최근의 기업들은 그 규모가 커짐에 따라 인적자원의 효율적인 활용을 더욱 중요시하고 있으며 더불어 인적자원의 효율적인 관리 기법으로서 인사평가제도를 채택하고 있는데, 중소기업은 대기업에 비해 여전히 열악하고 불리한 환경으로 제대로 된 인사평가제도의 시행이 어려운 실정이다. 본 연구에서는 대구·경북 지역의 중소제조기업들을 대상으로 인사평가제도의 현황을 분석하고 이들 기업에 효과적인 인사평가모형의 특성을 확인하기 위해 중소제조기업의 인사평가제도 특성과 조직만족 간의 관계구조에서 조직시민행동의 매개적 특성을 파악하고 분석하고자 한다. 이를 위해 구조방정식 모형을 설정하고 대구·경북 중소제조기업을 대상으로 한 설문조사를 통해 자료를 수집한다. The purpose of this study is to analyze the influence of performance appraisal of small and medium manufacturing firm on organizational citizenship behavior(OCB) and organizational satisfaction focused on the mediating effect of OCB. Structural equation model analysis shows that the mediating effect of OCB between performance appraisal and organizational satisfaction.
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중소기업 인사평가와 조직구성원 직무태도 간의 관계에서 성과급의 조절효과 분석
하재길(Ha, Jae-Gil),김현우(Kim, Hyun-Woo) 한국의사결정학회 2014 의사결정학연구 Vol.22 No.1
현대 기업경영의 성패는 조직역량을 얼마만큼 극대화하느냐에 달려 있다고 해도 과언이 아니며, 최근 기업들이 표방하는 질을 중요시하는 경영패러다임은 결국 인적자원관리를 통해 구현될 것이다. 또한 인적자원관리의 과정으로서 작용하는 인사평가에 따라 인적자원관리의 효율성도 결정될 것이며, 이러한 추세는 중소기업에서도 동일하게 나타날 것이다. 본 연구에서는 중소기업의 인사평가 중요성을 확인하고 이를 효율적으로 운영하기 위한 특성요인들을 도출하기 위해 중소기업의 인사평가와 조직구성원의 직무태도를 나타내는 조직몰입, 조직시민행동, 조직만족 간의 영향관계를 도식화하여 연구모형을 설정하였으며, 이러한 관계구조에서 성과급의 조절효과를 분석하였다. 또한, 실증 분석을 위해 대구·경북 중소기업 종사자를 대상으로 설문조사를 실시하였다. The purpose of this study is to analyze the influence of performance appraisal of SMEs(small and medium-sized enterprises) on organizational commitment, organizational citizenship behavior(OCB) and organizational satisfaction focused on the moderating effect of pay for performance. Structural equation model analysis shows that organizational commitment has mediating effect between performance appraisal and OCB. And organizational commitment also has mediating effect between performance appraisal and organizational satisfaction. Structural equation model analysis shows that OCB has mediating effect between performance appraisal and organizational satisfaction. And OCB also has mediating effect between organizational commitment and organizational satisfaction. Pay for performance has moderating effect between performance appraisal and OCB. As the study results show that performance appraisal has the influence on OCB in the case of high pay for performance group, SMEs can attract OCB of their employee by enhancing the level of pay for performance.
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하재나(Jae-Na Ha),윤미라(Mi-Ra Yoon),장준영(Jun Young Chang),고도현(Dohyun Koh),신호상(Ho-Sang Shin),김수향(Suhyang Kim),이철우(Chul-Woo Lee),이보은(Bo-Eun Lee),김정수(Jeong-Soo Kim) 한국환경보건학회 2020 한국환경보건학회지 Vol.46 No.4
Objectives: This study aimed to evaluate environmental exposure to tobacco-specific nitrosamines (TSNAs) by conducting an analysis of the concentration of TSNAs in deposited dust collected from a fertilizer plant and the surrounding village, a simulation of high-temperature drying of tobacco waste, and CALPUFF modeling. Methods: The raw materials of the products, deposited dust (inside and outside the plant and residential area), soil, and wastewater were sampled and the TSNA concentrations were analyzed by LC-MS/MS. As the plant was closed down before the investigation, simulation tests were conducted to confirm the substances discharged during high-temperature (300o C) drying of tobacco waste. CALPUFF modeling was performed to identify the area of influence due to exposure to TSNAs. Results: TSNAs were detected in organic fertilizers estimated to contain tobacco waste, deposited dust, and soil collected from inside and outside the plant. N -nitrosonornicotine (NNN), 4-(methylnitrosoamino)-1-(3-pyridyl)- 1-butanone (NNK), and N -nitrosoanatabine (NAT) components were detected in five of 15 deposited dust samples collected from the residential area around the plant, while TSNAs were not detected in the five sampling points in the control area. Also, the simulation test for the high temperature drying of tobacco waste found emissions of TSNAs. The CALPUFF modeling results showed that the survey area was likely to be included in the area of influence of TSNA emissions from the plant. Conclusions: It is estimated that harmful tobacco ingredients such as TSNAs were dispersed in nearby areas due to the illegal use of tobacco waste as a raw material to produce organic fertilizers at the plant. These findings assume that the residents have been exposed to TSNAs and suggest that the need for the establishment of measures to manage environmental health.
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UN-GGIM 및 UN-GGIM-AP의 활동 동향 분석에 관한 연구
하재서(Ha, Jae Seo),정다운(Jeong, Da Woon),김경희(Kim, Kyung Hee),이명호(Lee, Myeoung Ho),신동빈(Shin, Dong Bin) 대한공간정보학회 2021 대한공간정보학회지 Vol.29 No.3
최근 UN과 중국이 상호 간에 협력하여 중국의 Deqing 지역에 세계 공간정보 지식혁신센터를 설립하기로 합의하였으며, 일본은 재난 및 통계와 관련한 공간정보 활용 사례들을 꾸준히 홍보하는 등 국제 무대에서의 입지를 넓히고 있다. 반면 우리나라의 경우, UN-GGIM 창립 총회를 개최한 이후 공간정보 관련 국제회의에서의 뚜렷한 입지를 선점하지 못하고 있으며, 현재는 공간정보 관련 국제 동향 정도를 모니터링하는 수준에 그치고 있는 실정이다. 향후에는 우리나라가 공간정보 관련 국제회의에서의 입지를 제고하고, 상시적으로 대응 가능한 방안을 마련하여 선도적인 지위 확보를 위한 기틀을 마련해야 한다. 이를 위해 본 연구는 UN-GGIM 및 UN-GGIM-AP의 활동 동향을 분석하고, 이에 따른 시사점을 통해 국제회의에서의 우리나라의 대응 방안에 대해 제시하는 것을 목적으로 한다. 이러한 대응 방안이 실제 계획에 반영된다면 공간정보 관련 국제사회에서 우리나라의 위상을 제고할 수 있을 것으로 전망한다. Recently, the United Nations and China agreed to establish a ‘global geospatial knowledge and innovation center’ in China’s Deqing area in cooperation with each other. In the case of Japan, it is expanding its presence on the international stage by continuously promoting cases of use of geospatial information related to disasters and statistics. However, since the inaugural UN-GGIM general meeting, Korea has not been able to occupy a clear position in international conferences related to geospatial data. Even now, it is only at the level of monitoring the degree of international trends related to geospatial data. In the future, Korea should improve its position in international conferences related to geospatial data. In addition, it is necessary to prepare a framework for securing a leading position by preparing a plan that can respond to international conferences on a regular basis. Therefore, this study analyzes the activity trends of UN-GGIM and UN-GGIM-AP, and suggests Korea’s response plan at international conferences. If these countermeasures are reflected in the plan, it is expected that Korea’s status will be improved in the international community related to geospatial data.
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단기간의 고강도 저항성 트레이닝에 의한 근섬유의 MHC phenotype 변화
하재여(Ha Jae-Yeo),김효정(Kim Hyo-Jeong),김창근(Kim Chang-Keun) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.3
The purpose of this study was to examine the effect of 4 week resistance training on myosin heavy chain (MHC; Ⅰ, Ⅰ/Ⅱa, Ⅱa, Ⅱa/Ⅱx, Ⅱx, Ⅰ/Ⅱa/Ⅱx) isoforms in single muscle fiber in young men (age 21.20±2.25, n=10). Subjects were subjected to 4 weeks of isokinetic training and each training session consisted of 10 × 10 maximal 90°/s and 180°/s extension and flexion contractions using a Kin-Com isokinetic dynamometer. To maintain the effective control of the differences of training impact on individuals, the present study adopted the one-leg exercise training or within subject model. Muscle biopsies were obtained from right/left vastus lateralis before and after training. We analyzed MHC isoforms in single muscle fiber by electrophoretic analysis (100 fibers analyzed to each biopsy sample; 4,000 fibers analyzed in total). Mean MHC IIa isoforms in the trained leg were significantly increased by 10% (p<.05), whereas the number of MHC IIx isoforms was decreased by 8% (p<.01). MHC Ⅱa was significantly increrased by 5% (p<.05) in untrained leg. MHC Ⅱx and MHC Ⅰ/Ⅱa/Ⅱx were decreased by 7% (p<.05) and 1% (p<.05) respectively in untrained leg. However, MHC IIa expression in trained leg was increased by 5%(p<.05) than untrained leg. From the result of this study we confirmed 4 week of training result in significant changes in MHC isoforms in within subject resistance exercise model.
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