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      • KCI등재

        교통사고 이후 디스크 탈출이 없이 상지 저림을 호소하는 환자의 경추 측굴과 상지 저림에 관한 연구

        박현민,박지용,김동섭,김은수,김미령,조남훈,정훈,성익현,김민우,홍남중,하인혁,이진호,Park, Hyun-Min,Park, Ji-Yong,Kim, Dong-Sub,Kim, Eun-Soo,Kim, Mi-Riong,Cho, Nam-Hoon,Jeong, Hoon,Seong, Ik-Hyun,Kim, Min-Woo,Hong, Nam-Jung,Ha, In-Hyuk,Le 척추신경추나의학회 2013 척추신경추나의학회지 Vol.8 No.2

        Objectives : The purpose of this study is to investigate the relation between cervical spine lateroflexion and upper limb numbness after whiplash injury by traffic accident. Methods : Outpatients who visited Jaseng korean medicine hospital after traffic accident took cervical MRI. Patients who had Normal disc and bulging disc were reviewed to measure the cervical lateroflexion by C2-C7 Cobb's angle & scalenus muscle's length through neutrality AP X-ray views. For statistics, we used SPSS version 18.0 for windows. Results : Groups classified into difference of scalenus muscle's length were showen statistical significance than into cobb's angle. Means of numbness group's length difference are $4.18{\pm}2.26mm$ and that of non-numbness group is $1.59{\pm}1.17mm$. Unilateral numbness group had greater angle and longer of length's difference than non-numbness group. Conclusions : The more severe the lateroflexion of the upper extremity numbness occurs well. Group classifed into difference of scalenus muscle's length has more tendency of occurrence of upper limb numbness than that into cobb's angle. And upper limb numbness occurs more frequently at the same direction of lateroflexion.

      • KCI등재후보

        준공공 임대주택사업에 대한 투자인식조사

        박현민(Park, Hyun-Min),권대중(Kwon, Dae-Jung) 대한부동산학회 2014 大韓不動産學會誌 Vol.32 No.1

        본 연구는 많은 사람들의 관심의 대상이 되고 있는 준공공임대주택제도에 대하여 투자인식조사를 하였다 그 결과 첫째, 준공공임대주택에 대한 충분한 홍보가 있어야 한다. 둘째, 준공공임대주택 활성화를 위해서는 임대의무기간을 낮춰야 한다. 셋째, 준공공임대주택 활성화를 위해서는 월세 상한률을 탄력적으로 규제해야 한다. 넷째, 준공공임대 주택 활성화를 위해서는 장기보유특별공제율을 늘려야 한다. 이상과 같이 준공공임대주택에 대한 투자인식조사를 통하여 정부가 시행하고 있는 본 제도를 활성화시키기 위해서는 보다 적극적인 보완대책이 필요함을 알 수 있었다. tention from many people. As a result, the following conclusion could be drawn: First, it is necessary to publicize quasi-public rental housing sufficiently. Second, it is necessary to lower the period of obligatory lease to revitalize quasi-public rental housing. Third, it is necessary to put restriction on the ceiling on monthly rent to revitalize quasi-public rental housing in an elastic way. Fourth, the rate of special deduction for long-term holding should be raised to revitalize quasi-public rental housing. It could be found that it would be necessary to take a more active complemental measure to revitalize this system implemented by government through the consciousness survey of investment in quasi-public rental housing.

      • 환자에 대한 임의비급여 진료비용 청구의 예외적 허용 - 대상판결: 대법원 2012. 6. 18 선고 2010두27639,27646 전원합의체 -

        박현민 ( Hyun-min Park ) 연세대학교 법학연구원 의료·과학기술과 법센터 2016 연세 의료·과학기술과 법 Vol.7 No.1

        Up to recently, the Supreme Court of Korea had prohibited the charges for Arbitrary Non-insured Medical Care Benefits toward patients without exception. However, in the Supreme Court Decision 2010du27639,27646 decided June 18, 2012, the Supreme Court of Korea suggested that the charges for Arbitrary Non-insured Medical Care Benefits towards patients were illegal in principle and exceptional conditions regarding the charges for Arbitrary Non-insured Medical Care Benefits towards patients; an absence of procedures regarding incorporating Arbitrary Non-insured Medical Care Benefits into Insured Medical Care Benefits or Legislated Non-insured Medical Care Benefits; the safety, the effectiveness and the necessity of the medical care; sufficient explanation for medical care to the patients and consent of the patients. Considering the purpose and the system of National Health Insurance System, it is unlawful to charge Arbitrary Non-insured Medical Care Benefits towards patients. Charging Arbitrary Non-insured Medical Care Benefits towards patients may cause heavy burden in medical expenses national wide and collapse of National Health Insurance system. Yet, the prohibition of charging Arbitrary Non-insured Medical Care Benefits towards patients without any exception may stiffen medical service market, hindering medical development and damaging national health. Hence, the Supreme Court Decision 2010du27639,27646 which prohibited the charges for Arbitrary Non-insured Medical Care Benefits towards patients in principle and exceptionally permitted the charges for Arbitrary Non-insured Medical Care Benefits towards patients shows the Supreme Court`s deliberation regarding balancing the stabilized management of National Health Insurance System and the necessity of Arbitrary Non-insured Medical Care. However, the majority opinion of the decision omitted demonstrations of unlawful elements of the charges for Arbitrary Non-insured Medical Care Benefits toward patients. Also the majority opinion has been pointed out that the decision ignored fundamental rights of the patients and the health care provider and that complying the decision may causes conflicts between National Health Insurance System and the duties to be faithful of the health care provider. Therefore, it seems that legislative solutions are needed to enhance national health care service.

      • KCI등재

        용접형 판형열교환기 성능측정에 관한 실험적 연구

        박현민(Hyun-Min Park),박창용(Chang Yong Park) 한국생산제조학회 2013 한국생산제조학회지 Vol.22 No.3-1

        The heat transfer performance and pressure drop characteristics of brazed-plate heat exchangers with 20 and 30 plates were experimentally measured and analyzed in this study. The mass flow rates of the heat exchangers with 20 and 30 plates were fixed at 0.6 and 0.9 kg/s for the low temperature side, respectively. The mass flow rate for the high temperature side was controlled from 0.2 kg/s to 1.2 kg/s. The inlet temperatures for the high and low temperature sides were 10℃ and 7℃, respectively. The heat transfer characteristics were not influenced by the number of plates. The pressure drop at the heat exchanger with 30 plates was slightly higher than that with 20 plates. The values calculated from the correlations based on gasket plate heat exchangers were compared with the experimental results. It was found that the predicted Nusselt numbers for the gasket plate heat exchangers were about 5% to 20% lower than the measured Nusselt numbers for the brazed plate heat exchangers. However, a pressure drop comparison showed that the calculated pressure drops at the gasket plate heat exchangers were less than half of the measured pressure drops at the brazed plate heat exchangers.

      • KCI등재

        데이터 트래픽 특성을 고려한 적정 채널 용량 산정

        박현민(Hyun Min Park) 한국콘텐츠학회 2017 한국콘텐츠학회논문지 Vol.17 No.3

        본 논문에서는 다양한 이동통신 서비스의 원활한 데이터 전송을 위한 적정 채널 용량의 산정 방법을 제시한다. 서비스 유형별 패킷 전송에 대한 허용 지연시간 기준을 모두 충족하기 위해서는 적정한 채널용량이 확보되어야 한다. 이러한 채널 산정 과정을 분석하기 위해 디지털 통신시스템의 이산시간 운영특성과 패킷 기반 트래픽의 집단 발생 상황을 Geo<SUP>x</SUP>/G/1 비선점형 우선순위 대기행렬로 모델링하였다. 휴리스틱한 평균 대기시간 분석 방법을 이용하여 다양한 전송 우선순위를 갖는 서비스 유형별 평균 대기시간을 도출하였다. 이를 이용하여 무선 서비스 지연에 관한 품질 척도(QoS)를 충족시키는 적정 채널 용량의 산정 과정을 제시하였다. 본 연구 결과인 적정 채널 용량 산정 방법은 이동통신 데이터 서비스의 품질 만족도를 높이고 네트워크의 경제적 운용에 도움이 될 것으로 기대한다. We present an estimation model for optimal channel capacity required to data traffic transmission. The optimal channel capacity should be calculated in order to satisfy the permitted transmission delay of each wireless data services. Considering the discrete-time operation of digital communication systems and batch arrival of packet-switched traffic for various wireless services, Geo<SUP>x</SUP>/G/1 non-preemptive priority queueing model is analyzed. Based on the heuristic interpretation of the mean waiting time, the mean waiting times of various data packets which have the service priority. Using the mean waiting times of service classes, we propose the procedure of determining the optimal channel capacity to satisfy the quality of service requirement of the mean delay of wireless services. We look forward to applying our results to improvement in wireless data services and economic operation of the network facilities.

      • KCI등재

        작업 기억과 주제 친숙도가 고등학생의 영어 읽기 이해에 미치는 영향

        박현민(Park, Hyun-Min),이부용(Lee, Bu-Yong),이상기(Lee, Sang-Ki) 서울대학교 교육종합연구원 2020 The SNU Journal of Education Research Vol.29 No.1

        본 연구는 경기도 소재 고등학교의 73명 학생들을 대상으로 작업 기억과 주제 친숙도가 명시적 및 추론적 영어 읽기 이해에 미치는 영향이 어떠한지를 살펴보았다. 수집한 자료에 대해 반복측정 다변량 분산분석을 적용한 결과, 작업 기억이 명시적 이해와 추론적 이해의 양 측면에 미치는 영향이 모두 통계적으로 유의미하게 나타났다. 그에 비해 주제 친숙도는 명시적 읽기 이해 측면에서만 유의미한 영향을 미치고 있었으며, 작업기억과 주제 친숙도 간의 상호작용 효과도 나타나지 않았다. This study investigates the effects of working memory capacity (measured via the conceptual span task) and topic familiarity on Korean EFL students’ literal and inferential reading comprehension. To this end, 73 high school students in Gyeonggi Province participated in the study. Repeated-measures MANOVA was conducted to analyze the data, which showed that working memory capacity had statistically significant effects on both literal and inferential reading comprehension. By contrast, topic familiarity had significant effects only on the literal comprehension.

      • 다양한 형상을 가지는 Wave perfobond rib 전단연결재의 전단강도 평가

        박현민 ( Park Hyun-min ),최규태 ( Choi Kyu-tae ),안진희 ( Ahn Jin-hee ),김상효 ( Kim Sang-hyo ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.2

        This paper deals with the shear capacity of wave perfobond rib as the shear connector in composite structures. Wave rib is modified as perfobond rib shear connector type to evaluate the shear capacity. A total 11 push-out specimens with perfobond rib and wave perfobond rib connector were fabricated. Then, the influences of hole-crossing bars, concrete dowel, depth of wave shape and diameter of wave rib on the shear capacity were evaluated experimentally. As result the shear capacity of corrugated rib specimens improved as high to 51% compared to the perfobond rib shear connectors. Also, the hole-crossing bars were effective on the improvement of concrete dowel action and consequently, shear capacity increased by 31%.

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