수계아연전지를 위한 이온교환막의 특성 이해

조유진,응오황타이바오,김효원 한국막학회 2024 한국막학회 총회 및 학술발표회 Vol.2024 No.05

열변색 페인트 외벽 도장에 따른 건축물들의 계절별 냉난방 효율 비교 분석

조유진,강지호,조영훈,김지민 한국생태환경건축학회 2023 한국생태환경건축학회 학술발표대회 논문집 Vol.23 No.2

금속 산화물 지지체를 이용한 산소환원반응에 대한 전기화학 촉매 연구 동향

조유진,정원석,임보명 대한금속·재료학회 2023 대한금속·재료학회지 Vol.61 No.4

Global warming and air pollution have forced greater attention to new energy sources to replacefossil fuels. Among several eco-friendly energy sources, polymer electrolyte membrane fuel cells have beenincreasingly investigated since they have zero emissions, high energy density, and high energy efficiency. Carbon-supported Pt catalyst is generally used for the cathodic catalyst in polymer electrolyte membrane fuelcells. However, Pt/C catalysts corrode under start-up/shut-down conditions. Pt agglomeration, separation, andloss can occur due to the carbon corrosion, which results in a rapid performance loss. Metal oxide is apromising candidate as an alternative support since it shows high stability in the high potential. Of severalmetal oxides, titanium oxides and tin oxides have been widely investigated. Their performance is comparableto the Pt/C catalyst, and they have shown even higher durability than the Pt/C catalyst in accelerated stresstests simulating start-up/shut-down conditions. In this paper, we summarize the development of metal oxidesupports for the Pt catalyst in the five most recent years. In recent studies, the characteristics of metal oxideshave been varied using new synthesis methods, annealing temperature, precursors, and dopants, whichresults in enhanced ORR activity and durability. Advanced metal oxides have shown high durability andexhibited acceptable performance compared to the state-of-the-art Pt/C catalysts.

공격성과 또래괴롭힘 가해행동의 관계에 대한 부모양육태도의 조절효과

조유진 한국아동권리학회 2011 아동과 권리 Vol.15 No.1

The purpose of this study was to identify dangerous routes by which aggression causes the bullying behavior and to clarify moderating effect of parenting style which control the routes. The subjects were 1014 elementary and middle school children in capital area, Korea. The major findings of this study are as follows. First, aggression was positively related to bullying behavior in boys and girls. Second, through moderating effects on the relationship between aggression and bullying behavior, the parenting style such as supervision, over intervention, neglect were moderating variables that control the routes in boys, but that of girls were reasonable explanation, abuse and neglect. The results of the study indicate the connection between aggression and bullying behavior as well as the moderating effect of parenting style on the influence of aggression on bullying behavior. 본 연구는 학교사회문제중의 하나인 또래괴롭힘 문제에 주목하고 이에 대한 개입 방안을 모색해 보고자 하였다. 구체적인 연구내용으로 먼저, 또래괴롭힘 가해행동의 주요 예측변인으로 지목되고 있는 공격성의 영향력을 확인해 보고, 다음으로 공격성이 또래괴롭힘 가해행동으로 이어지는 경로에 있어 그 영향력을 강화하거나 약화시키는 요인, 즉, 조절요인으로서의 부모양육태도의 효과를 검증해 보고자 하였다. 수도권 지역 내 초․중학교에 재학 중인 남녀 학생을 대상으로 자료수집을 하였고, 총 1014부의 자료를 최종분석에 포함하였다. 연구결과, 공격성은 남녀 집단 모두에서 또래괴롭힘을 예측하는 주요 변인으로 밝혀졌다. 공격성이 또래괴롭힘 가해행동에 미치는 영향에 대한 부모양육태도의 조절효과는 남학생 집단의 경우, 부모양육태도-감독, 과잉간섭, 방임의 조절효과가 유의한 것으로, 여학생 집단의 경우, 부모양육태도-합리적 설명, 학대, 방임의 조절효과가 유의한 것으로 나타났다. 본 연구의 결과는 또래괴롭힘에 대한 예방과 차단 전략으로 우선 공격성이 높은 개인에게 주목할 필요가 있음을 보여주고 있으며, 또한 괴롭힘을 비롯한 아동청소년의 문제나 비행 예방에 있어 가정 내 부모양육태도의 중요성과 이에 대한 교육 및 상담 필요성을 시사해 준다.

GO-24 : Anatomical variations of the internal iliac veins at presacral area

조유진,정근오,이윤희,홍대기,조영래,박일수,이윤순 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.99 No.-

The purpose of this study was to classify the anatomic variation of internal iliac vein (IIV) during robotic or laparoscopic extended pelvic lymphadenectomy. Between March 2011 and July 2011, 60 consecutive patients underwent robot or laparoscopic extended lymphadenectomy. We retrospectively reviewed the video-clip and analyzed the pattern of the internal iliac veins at presacral area. IIV variations were classified seven types: type A, normal (n=39. 65%); type A with dilatated middle sacral vein (n=5, 8%); type B, left IIV connecting with the left external iliac vein centrally (n=5, 8%); type C, seperated trunk of the left IIV draining into the central left common iliac vein (CIV, n=1. 2%); type D, right IIV draining into the central left CIV (n=8, 13%); type E, right IIV draining into the central right CIV (n=0, 0%); and type F, the bilateral IIV connecting with each other before draining into the central left CIV (n=2, 3%). The prevalence rate of IIV anomalies was 26%, and the incidence of seperated trunks of the IIV was 18%. To avoid life-threatening the IIV injury during extended lymphadenectomy or sacral colpopexy, we should know the exact anatomical variations of IIV, especially type D and F.

synthesis and nonlinear oprical properties of novel polyester containing nitrophenylazo moiety

조유진,이주연 한국고분자학회 2010 한국고분자학회 학술대회 연구논문 초록집 Vol.2010 No.10

Synthesis and properties of novel polyester containing nitrophenylazore sorcinoxy Groups as NLO chromophores

조유진,이주연 한국고분자학회 2010 한국고분자학회 학술대회 연구논문 초록집 Vol.2010 No.4

중소기업 학습조직 활성화가 생산성에 미치는 영향에 관한 연구

조유진,강경식 대한안전경영과학회 2017 대한안전경영과학회지 Vol.19 No.4

In knowledge information society entering global unlimited competition era, our middle and small sized companies are the base of national and enterprise competitiveness and core base of national economy as an origin of jobs. The competitiveness of middle and small sized companies is so important to decide the level of the competitiveness of the whole industries, but the gap from big sized company is much low in comparison with advanced countries from angles of important factors of enterprise growth, productivity and technological competitiveness, so, it's urgent to improve the competitiveness through productivity enhancement. The purpose of this research is to do a positive study on effects of learning organization management outcomes of middle and small sized company on enterprise productivity among various types of outcome brought for strengthening of enterprise competitiveness. It confirmed learning organization has functions and usefulness as a management tool bringing positive effects on enterprise productivity through the Productivity improvement.

CMAQ 모델링을 통한 초기 기상장에 대한 미세먼지 농도 예측 민감도 연구

조유진,이효정,장임석,김철희 한국대기환경학회 2017 한국대기환경학회지 Vol.33 No.6

Sensitivity analysis on PM10 forecasting simulations was carried out by using two different initial and boundary conditions of meteorological fields: NCEP/FNL (National Centers for Environmental Prediction/Final Analysis) reanlaysis data and NCEP/GFS (National Centers for Environmental Prediction/Global Forecast System) forecasting data, and the comparisons were made between two different simulations. The two results both yielded lower PM10 concentrations than observations, with relatively lower biased results by NCEP/FNL than NCEP/GFS. We explored the detailed individual meteorological variables to associate with PM10 prediction performance. With the results of NCEP/FNL outperforming GFS, our conclusion is that no particular significant bias was found in temperature fields between NCEP/FNL and NCEP/GFS data, while the overestimated wind speed by NCEP/GFS data influenced on the lower PM10 concentrations simulation than NCEP/FNL, by decreasing the duration time of high-PM10 loaded air mass over both coastal and metropolitan areas. These comparative characteristics of FNL against GFS data such as maximum 3~4 m/s weaker wind speed, PM10 concentration control with the highest possible factor of 1.3~1.6, and one or two hour difference of peak time for each case in this study, were also reflected into the results of statistical analysis. It is implying that improving the surface wind speed fluctuation is an important controlling factor for the better prediction of PM10 over Korean Peninsula.

부모양육태도에 따른 군집과 아동의 개인내적 특성과의 관계 -개인내적 특성 중 자아존중감, 내외통제소재, 자기통제력을 중심으로-

조유진 한국아동권리학회 2012 아동과 권리 Vol.16 No.2

This study explored the patterns of parenting attitudes by cluster analysis and examined group differences in the personal psychological factors of children (self-esteem, locus of control and self-efficacy). The subjects were 478 elementary students living in Seoul, Korea. Data were analyzed by cluster analysis and one-way ANOVA. The results from the cluster analysis based on the scores on the sub-factors of parenting attitudes suggested the presence of three clusters (‘Affection-Intimacy', ‘Indifference-Separation', ‘Hostility-Shrinking'). Additionally, three groups were found to be related to self-esteem, locus of control and self-efficacy. 본 연구는 부모양육태도의 다양한 측면의 유사성과 차이점에 근거한 독특한 유형의 부모양육태도 군집을 분류하여 그 의미를 탐색해 보고자 하였고, 또한 분류된 양육태도 군집과 자녀의 내적특성과의 관련성을 보다 새로운 방법으로 이해하여 부모교육 등을 위한 기초자료나 부모-자녀관계의 증진에 기여하고자 하였다. 구체적인 연구내용으로 먼저, 아동이 지각하는 부모양육태도 특성에 따른 ‘군’을 분류해 보고, 다음으로 분류된 부모양육태도 ‘군’에 따른 아동의 개인내적 특성의 차이를 검증해 보고자 하였다. 수도권 지역 내 초등학교 5, 6학년을 대상으로 자료수집을 하였고, 총 478부의 자료를 최종분석에 포함하였다. 연구결과, 부모양육태도 특성에 따른 군집은 3개 군집이 가장 적절한 것으로 파악되었고, 각 군집의 독특성을 반영하여 군집1은 애정-친밀집단으로, 군집2는 무관심-분리집단으로, 군집3은 적대-위축집단으로 명명하였다. 군집에 따른 자녀의 개인내적 특성에서의 차이는 자아존중감, 내외통제소재, 자기통제력의 모든 변인에서 군집 별 평균 차이가 있는 것으로 나타났다. 즉, 자아존중감에 있어서는 군집1이 군집2와 3에 비해 높은 자아존중감 수준을 보여주었고, 내외통제소재에 있어서는 군집1의 내적통제 수준이 가장 높았고, 다음으로 군집2, 군집3의 순서를 보여주었다. 마지막으로 자기통제력은 군집1이 군집2와 3에 비해 유의하게 높은 자기통제력 수준을 보이는 것으로 나타났다.