• 제목/요약/키워드: Co-benefits

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UPFC 설치사례 연구 (Case Study for UPFC Installation)

  • 최종윤;홍순욱;이학성;윤종수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2001년도 춘계학술대회 논문집 전력기술부문
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    • pp.297-300
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    • 2001
  • This paper describes case studies for UPFC installation, The studies include UPFC at Inez, KT, CSC at Marcy, NY, and UPFC at Kangjin, Korea. For each case, engineering about problem of power system and benefits of UPFC installation are presented. And operation policy of Kangjin UPFC will be established by engineering of power system.

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조건부가치측정법(CVM)을 이용한 보행환경개선사업에 대한 편익 추정 (A Study on Estimating the Benefits by Pedestrian Environment Improvement Using CVM)

  • 김장욱;강순양;김경태;강영균
    • 대한교통학회지
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    • 제30권4호
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    • pp.7-19
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    • 2012
  • 본 연구에서는 최근 환경재의 편익을 추정하기 위한 목적으로 환경경제학에서 사용하던 CVM을 보행환경개선사업의 가치 추정에 적용하였다. 이를 통해 주민들의 지불의사를 알아보고 보행환경개선사업으로 인한 편익을 정량적으로 산정해 보고자 한다. 이를 위해 본 연구에서는 쾌적하고 편안한 보행환경이 조성된다는 가상시나리오를 구축하여 보여주고, 지불형태, 지불유도방법 등을 고려하여 보행환경개선 사업지역에 인접해 있는 성북구 주민을 대상으로 설문조사를 실시하였다. 설문조사를 토대로 하여 성북구 주민들의 지불의사를 추정해본 결과 보행환경 개선시 매월 627원의 보행환경 개선 부담금을 지불하고자 하는 것으로 나타났다. 그리고 보행환경 개선으로 인한 연간 총편익을 추정해보면 1,247,516,820원에서 286,305,110원에 이르는 것으로 추정되었다.

스마트워크센터 효과 및 장애요인 : 근무자와 운영자간 비교 (Gap between Users and Managers of Smart Work Center about Its Effects and Obstacles)

  • 임승혜;민대환
    • Journal of Information Technology Applications and Management
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    • 제20권2호
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    • pp.211-230
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    • 2013
  • This paper presents how users and operators of smart work centers think about benefits from and obstacles to smart work centers. First, this paper reviewed the previous literature to summarize benefits and obstacles. Then, in-depth interviews with users and operators were conducted to identify the current issues in smart work centers. Finally, a survey method was used to collect opinions of more users and managers and the co-orientation model was employed to analyze diverse patterns. This study found that users and operators mostly agree with the benefits from the smart work centers. However, they expressed various forms of disagreement over obstacles and ways to overcome the obstacles.

호텔 및 패밀리레스토랑 종사원의 불만족이 이직의도에 미치는 영향 (The Relationship between Job Dissatisfaction and Turnover in a Deluxe Hotel and a Family Restaurant)

  • 정효선;윤혜현
    • 한국식품조리과학회지
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    • 제31권5호
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    • pp.635-641
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    • 2015
  • This study considers the influence of the job satisfaction of employees at deluxe hotels and family restaurants on turnover intent, and seeks to analyze the moderating effects of company type (deluxe hotel and family restaurant) on the relationship between job dissatisfaction and turnover intent. Based on a total of 408 employees, this study reviewed the reliability and validity of the results obtained from empirical research using the Amos program. The hypothesized relationships in the model were tested simultaneously using structural equation modeling (SEM). The major findings are as follows. Job dissatisfaction was separated into five factors: the work itself, promotion, pay and benefits, supervision, and co-workers. The empirical results indicate that job dissatisfaction positively influences the turnover intent of employees. More specifically, the work itself (${\beta}=0.346$, p<0.001), and supervision (${\beta}=0.281$, p<0.001) significantly affects employees' turnover intent, whereas promotion, pay and benefits, and co-workers did not. Therefore, the turnover intent of employees at hotels and family restaurants decreased when they were motivated by strategies related to job dissatisfaction. In addition, the findings demonstrated that the company type moderated the effect of job dissatisfaction (e.g., co-worker) on turnover intent. Limitations and future research directions are also discussed.

양면겹치기 동시경화조인트의 피로특성에 영향을 미치는 설계변수에 관한 연구 (Design parameters on the fatigue characteristics of a co-cured double lap joint)

  • 신금철;이정주
    • 한국복합재료학회:학술대회논문집
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    • 한국복합재료학회 2002년도 춘계학술발표대회 논문집
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    • pp.5-8
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    • 2002
  • The use of the co-cured joining method for composite structures is attractive due to several benefits. However, since the design stress level in cyclic loads is often smaller than the joint strength obtained from the static tensile load test, it is important to establish proper fatigue design criteria. Although some researchers have reported on co-cured joints, there are only a few papers published on the fatigue characteristics of co-cured joints. In this paper, the effect of bond parameters on the fatigue characteristics of a steel-composite co-cured double lap joint under cyclic tensile loads was experimentally investigated. We considered the surface roughness of the steel adherend and the stacking sequence of the composite adherend as bond parameters. A fatigue failure mechanism of the co-cured double lap joint was explained systematically by investigating the surfaces of failed specimens.

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분산 개방형 EMS 설계 (Design of Open Distributed EMS)

  • 이지영;신철균;이석진;최양석;이정호;김수일
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1997년도 하계학술대회 논문집 D
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    • pp.767-771
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    • 1997
  • The standards and technologies developed by the standard organizations and industry consortiums, which are being driven by the computer industry and are making the foundations of the open distributed systems are presented. Its benefits and impacts on EMS industry are described. This paper contains software architecture of open distributed system software. The proposing software architecture is aiming to develop all software highly versatile and open to third party hardware and software, and able to have the incremental modifications and additions.

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New CO Laser Technology Offers Processing Benefits

  • Held, Andrew
    • 한국레이저가공학회지
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    • 제18권3호
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    • pp.9-13
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    • 2015
  • The development of a reliable, high-power source of mind-IR laser light gives process develop important tool with unique characteristics that will significantly impact a diverse range of applications.

Pseudomonas syringae pv. tomato DC3000 Improves Escherichia coli O157:H7 Survival in Tomato Plants

  • Namgung, Min;Lim, Yeon-Jeong;Kang, Min Kyu;Oh, Chang-Sik;Park, Duck Hwan
    • Journal of Microbiology and Biotechnology
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    • 제29권12호
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    • pp.1975-1981
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    • 2019
  • Recently, outbreaks of food-borne diseases linked to fresh produce have been an emerging public health concern worldwide. Previous research has shown that when human pathogens co-exist with plant pathogens, they have improved growth and survival rates. In this study, we have assessed whether Escherichia coli O157:H7 benefits from the existence of a phytopathogenic bacterium and the underlying mechanisms were further investigated. When Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) and E. coli O157:H7 were co-inoculated by either dipping or infiltration methods, the populations of E. coli O157:H7 increased; however, no effect was observed when type three secretion system (T3SS) mutants were used instead, suggesting that E. coli O157:H7 benefits from the presence of Pst DC3000. In addition, this study confirmed that the E. coli O157:H7 populations increased when they occupied the tomato leaf intercellular space; this colonization of the interior of the leaves was possible due to the suppression of the PAMP-triggered immunity (PTI) by Pst DC3000, in particular with the AvrPto effector. In conclusion, our data support a plausible model that E. coli O157:H7 benefits from the presence of Pst DC3000 via AvrPto suppression of the PTI resistance.

석탄가스화 연료의 정적 예혼합 연소특성 (Premixed Combustion Characteristics of Coal Gasification Fuel in Constant Volume Combustion Chamber)

  • 김태권;장준영
    • 한국환경과학회지
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    • 제15권6호
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    • pp.601-606
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    • 2006
  • The coal gasification fuel is important to replace petroleum fuel. Also they have many benefits for reducing the air pollution. Measurements on the combustion characteristics of synthetic gas from coal gasification have been conducted as compared with LPG in constant volume combustion chamber. The fuel is low caloric synthetic gas containing carbon monoxide 30%, hydrogen 20%, carbon dioxide 5%, and nitrogen 45%. To elucidate the combustion characteristics of the coal gasification fuel, the combustion pressures, combustion durations, and pollutants(NOx, $CO_2$, CO) are measured with equivalence ratios($\phi$), and initial pressures of fuel-air mixture in constant volume chamber. In the case of the coal gasification fuel, maximum combustion pressure and NOx concentration are lower rather than LPG fuel. However CO and $CO_2$ emission concentration are similar to that of LPG fuel.

동료 간 지식공유에 관한 연구: 동료관계의 질과 목표성향의 상호작용효과 (Knowledge Sharing in Co-worker Relationships: Interaction Effect of Quality of Co-worker Exchange and Learning Goal Orientation)

  • 김보영
    • 지식경영연구
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    • 제17권4호
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    • pp.147-162
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    • 2016
  • Knowledge sharing has many benefits; however, employees are generally reluctant to share their knowledge with co-workers. This reluctance can be attributed to the facts that sharing knowledge involves the threat of losing personal competitiveness and the codification of knowledge for sharing requires additional effort. This study explains why employees engage in knowledge sharing despite the threat and cost of sharing knowledge. Specifically, it examines the effects of the quality of co-worker exchange (CWX) on knowledge sharing and the moderating effect of learning goal orientation on the relationship between CWX and knowledge sharing. Data from 186 individuals indicate that there is a positive relationship between CWX and knowledge sharing, and that this relationship is strengthened when learning goal orientation is low rather than when it is high. The theoretical and practical implications of the findings are also discussed.