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이상진,박홍철,박관수,김현숙,이창민,김진원,심규원,최승운,Lee, Sang-Jin,Park, Hong-Chul,Park, Gwan-Soo,Kim, Hyoun-Sook,Lee, Chang-Min,Kim, Jin-Won,Sim, Gyu-Won,Choi, Seung-Woon 한국환경복원기술학회 2022 한국환경복원기술학회지 Vol.25 No.3
The purpose of this study is to quantitatively evaluate the amount of carbon storage for trees in forest ecosystem to support the foundation for carbon neutrality implementation in Korea National Park. It targeted 22 national parks designated and managed as national parks in Korea, and conducted research on forest trees in the terrestrial ecosystem among various natural and ecological carbon sink. The survey and analysis method followed the IPCC guidelines and the National Greenhouse Gas Inventory in Korea. The amount of tree carbon storage in the forest ecosystem of Korea National Park was confirmed to be about 218,505 thousand CO<sub>2</sub>-ton and the amount of carbon storage per unit area was 570.8 CO<sub>2</sub>-ton per hectare. Compared to 299.7 CO<sub>2</sub>-ton per hectare, the average carbon storage per unit area of the entire Korean forest, it was found that about twice as much carbon was stored when assuming the same area. In other words, it means that the tree carbon storage function of the national park is about twice as high as that of the average tree carbon storage function of entire Korean forest. It has great implications in Korea National Park not only provides biodiversity promotion and exploration services as a national protected area, but also performs excellent functions as a carbon sink.
박은진 ( Eun Jin Park ),남미아 ( Mi A Nam ),강규이 ( Gyu I Kang ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2012 한국환경복원기술학회지 Vol.15 No.1
We estimated the potential area roof greening in Gyeonggi-do that will mitigate the heat island effect. The estimation was based on building age, roof shape, and building use which were recorded in the building register from "Sewoomteo, the Building Administration System in the Ministry of Land, Transport and Maritime Affairs. The estimated potential roof greening area in Gyeonggi-do was approximately 102.5㎢ assuming that the buildings for residence, public, education(school), office, shopping mall are appropriate for roof greening. The area occupied by apartment buildings over six-story was 76.3% of the potential roof greening area 10.2% for individual houses, 5.9% for under five-story apartment buildings, and 3.7% for school buildings. The result indicated that it is residential buildings that we need to pay attention for roof greening, especially high-rise buildings over six-story. Greening of the whole estimated area, 102.5㎢, in Gyeonggi-do will result in the increase of green space per capita by 8.74㎡. This is 1.65 times greater than the area of current urban parks, and 1.97 times greater than the total area of neighborhood parks, children`s parks, and pocket parks. Greening of the estimated roof area will increase green coverage of urban area by twice, adding to current green coverage of the urban areas, 11.3%, in 10 major cities. In particular, the effect of roof greening would be remarkable in inceasing the green space of Anyang City, Gwangmyeong City, and Guri City where neighborhood park area falls short.
버스정보시스템(BIS)을 위한 모바일 환경의 시각화 기법 연구
박동규,박진화,이수진,박은호,류동성,어윤 국립7개대학공동논문집간행위원회 2004 공업기술연구 Vol.4 No.-
In this paper we describe a visualization method for Bus Information System(BIS) on Mobile Environment. A BIS is a key service for Intelligent Transport System(ITS) on public transportation area. We present a client-server based visualization technique for bus route information over Internet Protocol and user-oriented regional information service with a voice and animation. We also describe the design and implementation of this kind of schematic map generation system with icon and label.
김민지,신수영,송월섭,조수진,최동락,황미진,황진규,박진현,김경,Dennis W. Fell 대구대학교 특수교육재활과학연구소 2011 再活科學硏究 Vol.29 No.1
이 연구는 트레드밀 운동과 키네시오 테이핑의 효과에 따른 폐활량의 변화를 알아보기 위해 26명의 비흡연자가 참가하였으며 키네시오 테이핑을 적용하지 않은 그룹과 키네시오 테이핑을 적용한 두 그룹으로 무작위로 배정하고 각 군들을 주 3회 6주간의 트레드밀 훈련을 실시하였다. 실험 전과 후, 스파이로미터를 사용하여 키네시오 테이핑의 적용 따른 폐활량 변화 효과를 측정하였다. 이 연구의 결과를 종합해보면 키네시오 테이핑을 적용 그룹에서 적용하지 않은 그룹에 비해 FVC, FEV1에서 유의한 증가를 보였다. 이러한 결과는 건강한 성인에서 키네시오 테이핑을 적용한 경우 키네시오 테이핑을 적용하지 않고 트레드밀 운동을 한 경우보다 폐활량의 향상에 효과적이라고 생각되어진다. The purpose of this study was to investigate the variation of vital capacity(VC) according to the effects of kinesio taping with treadmill exercise. Twenty-six non-smokers were participated in this research and these subjects were randomly assigned into two groups. To measure the VC variation effects of kinesio taping, spirometer was used. The collected data were analyzed statistically by using a paired Mauchly test and repeated measure ANOVA. The results of this study were as follows; A group: treadmill with kinesio taping B group: treadmill without kinesio taping. Between A and B, there were significant differences. In the case of A group, there was 11.66% increase of VC, during 3 weeks experiment(p<.01). In the case of B group, there were significant differences, 3.35% increase of VC, during 3 weeks taping intervention(p<.01). After 6 weeks experiment, the improvement of VC shown a significant difference with intergroup (p<.05). From this result, it was revealed that treadmill exercise with kinesio taping was effective to improve VC to healthy adult than treadmill exercise without kinesio taping.
박영필,이규섭,김진수 연세대학교 대학원 1987 延世論叢 Vol.23 No.1
In this study, the vibration of a harmonically excited cantilever beam with motion-limiting stops at the free end is studied. The responses of the beam are calculated by numerical analysis with Galerkin's mode summation method. The modal displacement and velocity of the beam are obtained for various forcing amplitudes and clearances of the stops. The resuluts of the numerical analysis are compared with the results of the experiments. The number of the rebounds is increased with (i) the increase of the magnitude of the force and (ii) the decrease of the clearance of the stops. And the effects of the higher modes become significant as the magnitude of the farce is increased and the clearance of the stops is decreased.
박재용,유진식,황승민,임민규,오영규,김용대,한석영,맹주성 한국공작기계학회 2008 한국공작기계학회 추계학술대회논문집 Vol.2008 No.-
An active micro-mixer, which is composed of an oscillating micro-stirrer in the micro-channel to provide effective mixing was optimized. The effects of molecular diffusion and disturbance by the stirrer were considered with regard to two types of mixer models: the simple straight micro-channel and micro-channel with an oscillating stirrer. Two types of mixer models were studied by analyzing mixing behaviors such as their interaction after the stirrer. The mixing was calculated by Lattice Boltzmann methods using the D2Q9 model. In this study, the time-averaged mixing index formula was used to estimate the mixing performance of time-dependent flow. The mixing indices of the two models were compared. From the results, it was found that the mixer with an oscillating stirrer was much more enhanced' and stabilized. Therefore, an approximate optimization of an active micro-mixer with an oscillating stirrer was performed using Kriging method with OLHD (Optimal Latin Hypercube Design) in order to determine the optimal design variables. The design parameters were established as the frequency, the length and the angle of the stirrer. The optimal values were obtained as 1.5754, 0.803D and ±45°, respectively. It was found that the mixing index of the optimal design increased by 83.36% compared with that of the original design.
박종익,조영래,홍진표,이민규,한오수,이명종 대한신경정신의학회 2001 신경정신의학 Vol.40 No.1
저자들은 환청과 망상을 주소로 정신과를 방문한 진행성 핵상 마비 환자를 진단하고 치료하였다. 진행성 핵상 마비는 보행 장해, 치매, 수직성 안구 운동의 장해가 특징적인 증상이며, 아직까지 특별한 치료법은 알려져 있지 않다. 정신과적 증상으로는 인지기능의 장해, 정동 및 행동의 변화, 수면 장해, 정신병적 증상 등이 있으며 정신분열병과 비슷한 증상을 보이는 경우는 극히 드물다고 한다. 본 증례에서는 파킨슨 증상과 정신병적 증상이 비슷한 시기에 발현된 진행성 핵상 마비의 예를 보고하면서 진단적 중요성을 강조하고자 한다. We have experienced a rare case of progressive supranuclear palsy with hallucination and delusion. The common manifestations of progressive supranuclear palsy are gait disturbance, mental change and sign of vertical ophthamoplegia but no efficacious therapy has been known. Neuropsychiatric symptom clusters include cognitive impairment, affective and behavioral changes, sleep disturbance, and psychotic symptoms. Though schizophrenia-like psychosis has been reported but this is certainly rare. Addressing a case of progressive supranuclear palsy, in whom parkisonian symptoms appeared with concurrent psychotic symptoms, we emphasize accurate diagnosis.
박찬규,신우철,홍준희,김기수 충남대학교 공업교육연구소 2003 論文集 Vol.26 No.1
The purpose of this paper is to develop an optical fiber displacement sensor. An optical fiber displacement sensor is based on simple principles. Electrical signal responds to the optical flux change due to the displacement change between a target and a sensor probe. In this paper, the performance of optical fiber displacement sensor has been investigated. Firstly, optical loss has been measured before and after polishing optical fiber endface. Secondly, allowance of optical fiber bending has been tested. Thirdly sensitivity and linear range of the sensor has been found out according to the shape of cross section of optical fiber.