http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정보통신 서비스의 실패 요인 : 한국의 텔레콤 서비스시장에서의 실패사례연구
안재현,권재원,김명수,이동주,이상윤,한상필 한국경영과학회 2002 한국경영과학회지 Vol.27 No.3
In this paper, 15 South Korean telecommunications service failure cases were analyzed. Through the in-depth case study, 8 factors were found to be the major causes contributing to the telecommunications service failure. They were (1) ineffective marketing, (2) poor demand forecasting due to misjudgment of customer preference, (3) failure to satisfy technical specifications, (4) loss of cost advantage due to the price cut of competing service or new entry with power price, (5) loss of utility advantage due to the increased utility of competing service or new entry with higher utility (6) decrease of market attractiveness due to change of customer preference, (7) impact of government policy, and (8) insufficient or low quality of contents. Additional analysis was done to derive managerial implications to the new telecommunications service development strategy. The findings from the paper will provide valuable insight to the successful implementation of new service development and service provisioning processes.
사무직 근로자의 수면의 질 및 직무스트레스와 우울과의 관련성
강미나,강수영,권수정,김현주,배재원,이보연,이예진,임의롬,정다영,조한솔 이화여자대학교 간호과학대학 2013 이화간호학회지 Vol.- No.47
Purpose: The purpose of this study was to understand the degree of depression, sleep quality, job stress and their association among office workers. Method: A self-administered questionnaire was distributed to 147 workers employed in 5 big enterprises, and 5 small and medium enterprises from October 21 to November 21, 2012. The questionnaires included socio-demographic and health-related characteristics, job-related characteristics, sleep quality, job stress (KOSS) and depression (CES-D). Result: Among all subjects, 23.1% was in the depression group (21 points and over in the CES-D score). Depressive level was positively correlated with job stress and quality of sleep. The adjusted odd ratio for the effects of sleep quality and job stress on depression significantly increased in the depression group compared to that of the normal group. Multiple regression analysis revealed that the following factors of influence had combined explanatory powers on depression: BMI, life satisfaction, quality of sleep, and job stress. Conclusion: The study revealed that complicated influences were exerted on the level of depression by variable factors, as well as socio-demographic characteristics, health-related characteristics, quality of sleep, and job stress. Specifically, the level of depression was influenced by the quality of sleep and job stress.
Jae-Hong Min,Seong-Man Kim,Soo Hyeon Goo,Jae-Hoon Oh,Seung-Ho Kim,Ji-Won Park,Ok-Kyoung Kwon,Jae-Won Lee,Sang-Bae Han,Kyung-Seop Ahn 한국실험동물학회 2021 한국실험동물학회 학술발표대회 논문집 Vol.2021 No.7
Lagerstroemia ovalifolia (LO) has been shown to have anti-inflammatory effects in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. I investigated whether the anti-inflammatory effect of LO in LPS-induced acute lung injury (ALI) in a mouse model. LO reduced the number of neutrophils and macrophages in the bronchoalveolar lavage fluid (BALF) of the LPS-induced ALI in a mouse model. LO decreased the pro-inflammatory cytokines such as interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in the BALF of the LPS-induced ALI in a mouse model. LO decreased the expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and monocyte chemoattractant protein-1 (MCP-1) in the lung tissue of the LPS-induced ALI in a mouse model and regulated the activities of nuclear factor-κB (NF-κB) and mitogen-activated protein kinases (MAPKs) in the lung tissue of the LPS-induced ALI in a mouse model. Therefore, LO has an anti-inflammatory effect of LPS-induced ALI in a mouse model.
Kwon, Jae-Young,Lee, Jae-Hyun,Kim, Hyeon-Cheol,Jung, Yeon-Gil,Paik, Ungyu,Lee, Kee-Sung Elsevier 2006 Materials science & engineering. properties, micro Vol.429 No.1
<P><B>Abstract</B></P><P>Mechanical characteristics, such as hardness, elastic modulus and indentation stress–strain curves, and contact damage of a thermal barrier coating (TBC) system with a top coat prepared using an air-plasma spraying (APS) process and a bond coat using a high-velocity oxygen flow (HVOF) process have been investigated using the nanoindentation and Hertzian indentation tests, as a function of the thermal fatigue condition. The bond coat and the top coat deposited on the substrate make the TBC system soft, showing lower stress–strain curves than that of the substrate. Thermal fatigue does not affect the stress–strain curves, except for thermal fatigue for 500h. However, the thermally grown oxide (TGO) layer thickness is dependent on the exposure time under thermal fatigue, showing a nominal thickness of approximately 4μm after thermal fatigue for 500h, independent of the number of thermal fatigue cycles. The values of hardness, <I>H</I>, in each component are not greatly affected by thermal fatigue, except for thermal fatigue for 500h, whereas the value of elastic modulus, <I>E</I>, in the bond coat is dominantly affected by thermal fatigue with a smaller increase for the other components—top coat and substrate. The <I>H</I>/<I>E</I> ratio for the top coat is higher than those for the bond coat and the substrate, indicating that resintering of the top coat occurs during thermal fatigue. The top coat acts as a protection layer for contacts, resulting in reduced damage to the substrate. As the exposure time is increased in the thermal fatigue experiments, the damage to the top coat is inhibited with less crack coalescence. The higher stiffness in the bond coat induces a cracking or delamination at the interface between the bond coat and the substrate, whereas thermal fatigue increases the mechanical properties, especially <I>E</I>, of the bond coat and enhances the damage tolerance of the TBC system.</P>
Desirable Major Education through a Survey on the Needs of Education Subjects
Bong-Jae CHUN,Hyeon-Young PARK,Se-Rin LEE,Hyeon-Jin LIM,Young-Eun KWON,Lee-Seung KWON 한국웰빙융합학회 2021 웰빙융합연구 Vol.4 No.3
Purpose: This study aims to be used as a reference for setting the direction of university major education & policy. Research design, data and methodology: The satisfaction survey were nine major curriculum surveys for each college, targeting students enrolled in a university. One university consisted of 9 colleges and 49 departments or majors. The survey period is approximately one month. Results: The highest item in the major curriculum reflects the educational goal of the department, with a score of 3.95. Conversely, the lowest item is 3.65 points, indicating that the major curriculum offers a wide range of subjects to choose from. As the questions are higher than the average score (3.83 points), the major curriculum is helping me grow my competency through academic achievement (3.90 points), the major curriculum is helping me set my career and finding a job (3.88 points), The major curriculum suggests specific performance standards for judging the achievement of a set target competency (3.88 points), and the major curriculum reflects social demands and changes (3.85 points). Conclusions: Students want that their major education faithfully reflects the educational goals of their major and that major education helps their ability to grow for academic achievement.
IT 지원이 흡수역량을 통해 조직성과에 미치는 영향에 관한 연구 -조직의 절제 중심으로-
권재현(Jae-Hyeon Kwon),서영욱(Young-Wook Seo) 한국산학기술학회 2020 한국산학기술학회논문지 Vol.21 No.9
본 연구는 통합역량 IT 지원이 조직성과에 미치는 영향에 대해서 조직의 절제와 흡수역량이 매개했을 때의 영향에 대해서 실증 분석하였다. 본 연구에 대한 실증 분석을 위해 사기업과 공기업 종사자를 대상으로 총 126명의 설문을 바탕으로 Smart PLS 3.0으로 연구 모형을 검증하였다. 통계 분석결과 첫째, 통합역량 IT 지원은 조직절제의 하위 요인인 조정과 적응력에 모두 정(+)의 영향을 미쳤으며, 흡수역량에도 정(+)의 영향을 주었다. 둘째, 조직의 절제는 흡수역량에 정(+)의 영향을 미치는 것을 확인하였다. 셋째, 통합역량 IT 지원과 흡수역량의 관계에서 조직의 절제를 매개로 했을때 정(+)의 영향을 미쳤다. 넷째, 흡수역량은 재무성과와 비재무성과에 정(+)의 영향을 미쳤다. 본 연구의 시사점은 IT기술과 조직성과 관계에서 조직 윤리 차원의 요인으로 확장하여 상관관계를 검증함으로써 기존 연구들과 차별성을 두고 있다. 또한 흡수역량의 선행 요인으로써 조직의 윤리적 요인도 선행 요인으로서 작용함을 규명함에 따라 연구의 의의가 있다. 통합역량 IT 지원은 경영자에게 균형 있고 안정감 있는 의사결정에 도움을 주며, 이는 구성원들에게 조직에 대한 긍정적인 인식을 주어 흡수역량 향상에 기여할 수 있으며, 궁극적으로 조직성과에 긍정적인 영향 미친다. 흡수역량이 필수적인 조직의 성과 향상을 위해서는 적절한 IT 인프라 구축과 조직의 미덕 함양의 중요함을 시사한다. This study demonstrated the effect of IT Ssupports for Iintegration Ccompetency(ITSIC) on organizational performance by using organizational temperance and absorption capacity as medium. The research model was verified with Smart PLS 3.0 based on the survey conducted overa total a total of of 126 pparticipantseople"s surveys for the employees. First, the ITSIC had a positive effect on both the alignment and adaptability and also on absorption capacity. Second, it was confirmed that organizational temperance hads a positive effect on absorption capacity. Third, when the organizational temperance was mediated in the relationship between ITSIC and absorption capacity, ithad a indicated a positive effect. Fourth, absorption capacity had a positive impact on organizational performance. The implications of this study differ from the existing studies throughby validatingvalidation of correlationscorrelations by extending IT technology and organizational performance to organizational ethical factors. In addition, it has been established that the ethical factors of the organization also act as leading factors of absorption capacity. ITSIC helps managers make balanced decision-making, which can contribute to improving absorption capacity by giving members a positive perception, ultimately having a positive impact on organizational performance. It suggests the importance of building appropriate IT infrastructure and cultivating organizational virtues in order to improve the performance of organizations in which absorption capacity is essential.
상부위장관내시경검사 중 관상동맥 혈관경축으로 심정지를 일으킨 후 회복되었던
조대현 ( Jo Dae Hyeon ),박정호 ( Park Jeong Ho ),권정훈 ( Kwon Jeong Hun ),김현서 ( Kim Hyeon Seo ),김재희 ( Kim Jae Hui ),오주현 ( O Ju Hyeon ),심상군 ( Sim Sang Gun ) 대한내과학회 2003 대한내과학회지 증례 특집호 65-5 부록3 Vol.0 No.-
The incidence of serious cardiac complications associated with esophagogastro-duodenoscopic examination is very rare. An episode of cardiac arrest developed in 49-year-old during endoscopic examination. The patient had no history of pulmonary or ischemic