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민경윤 ( Kyeong-yoon Min ),박원진 ( Won-jin Park ),음두헌 ( Doohun Eum ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.2
스마트 폰 사용자 수가 2000만명 이상이 됨에 따라 모바일 맵 서비스에 대한 수요가 급증하고 있다. 한편, 모바일 기반의 맵 응용의 개발을 위해선 WINDEV Mobile 17과 같은 유료 개발 환경이 있지만 자동화 지원 경도가 미약하여 맵 응용의 생산성이 떨어지고 유지·보수 기간도 많이 소요된다. 우리가 설계하고 구현한 MobileMapGen은 GoogleMaps API를 사용하며 서버 측을 위해 CMS(Content Management System)인 Drupal 환경에 사용 가능 한 모듈들을 생성하고 클라이언트 측엔 iOS 앱을 생성해 맵 응용에 대한 생산성을 향상시켜 준다. 맵 컨텐츠와 그와 연관된 컨텐츠들을 함께 제공하는 모바일의 맵 응용 생성기인 MobileMapGen과 달리 WINDEV Mobile 17, MobilForms, 그리고 VisualStudio.NET는 맵 인터페이스를 지원하지 않거나 위치 정보 형태만을 표시한다. 그렇기 때문에 사용자가 원하는 지형/지물 컨텐츠 타입을 생성하거나 맵 상에 표시하고 관심의 대상인 지형/지물과 연관된 컨텐츠들을 검색할 수 없다.
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도시철도역사의 저압선로 및 기기에서의 지락사고 방지 방안에 관한 검토
민경윤(Min Kyung-Yun),김진호(Kin Jin-Ho),한학수(Han Hag-Su) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
In the station of the railway and the subway various illumination equipment and a general power equipment for a passenger convenience, the signal equipment and the communication equipment which is necessary to the train operation provided. At the all of like this equipment from the electric room which is established in each station by changing from high voltage to low voltage and it supplies from the illumination transformer, the power transformer and the signal transformer. If it supplies to theequipment from the high voltage to the low voltage, it must be established to contact protection device in between the high voltage coil and the low voltage coil. Also it must do the grounding faulting device at the low voltage lines, the earthing devices at apparatus for the protection of an electric shock and an electric fire by the electric relation law. Compared the related regulations between the facilities which require protective functions such as grounding fault or earthing in public utilities like subway stations, and the facilities which do not require line earthing or protective functions such as electricity supplied for signalling the train. Also, will describe a countermeasure for the accident from a grounding fault.
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수동운전(ATS)구간에서 PSD 적용 기술의 성공적 요인 분석연구
민경윤(Min Kyung yun),손영진(Son Yeong Jin),박근수(Park Keun Soo) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
1974. 8.15 SeoulMetro, beginning with the first electric railway established at six cities, so it is managing mass transportation of traffic. Especially, in case of seoul, It is managing that from one to eight lines, 286.9㎞, 265 stations have installed and now it is carrying about 5.5million of passengers everyday, and 2,000million passengers a year. So accident is increasing from the station every year. For this measure, SeoulMetro prepares safety fence for passengers crash but, as suicides or people who watch the accident took place, for at the bottom of passengers crash protection, PSD installing is needed. Even though, PSD is managing ATO section but, in controlling SeoulMetro, one to four lines sections are (ATS, ATC)section. Between as ATS, ATC section, ATO section, subway gate and PSD must have opened and crossed always at the time. And the interlock control corrosion protection gate, managing skills with installation, method, using in history, apply to 10rail cars one train sets, and maximum applying 224% sections of passengers congested that consideration is to be needed. So 2004, SeoulMetro improved technology and basic design of PSD at ATS section. Based on this, from 2005.4 to 2006.6, using subway 2lines per 12stations set the model installation(full type 11stations, half type 1station) After installing in case of success, it is going about to suggest that effective analysis and hereafter subject.
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상변화를 갖는 다공물질내의 유동 및 열전달 특성에 관한 연구
이진호,김홍제,민경윤 연세대학교 대학원 1987 延世論叢 Vol.23 No.1
An experimental investigation has been made to study the two-phase phenomena and heat transfer characteristics in porous media heated at the top and cooled at the bottom at one dimensional steady state. Experiment is conducted using glass beads and sand of mean diameter 0.9mm and 0.3mm respectively contained in a 22cm long, 5cm inner diameter Pyrex glass tube. Distilled water is used as a working fluid. Result of experiment shows that the two-phase zone is very sensitive to the system insulation and its length increases with the increasing heat flux, which is contrary to a pre-researcher. At this stage, this contradiction is supposed due to the variation of capillary pressure with the varying heat flux. The two·phase zone length of the lower permeability sand system is larger than that of the higher permeability system filled with glass beads. The total effective thermal conductivity of the system is enhanced with an increasing two phase zone length.
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원산지별 홍삼투여에 따른 백서의 자연살해세포 활성도 변화에 대한 연구
임주혁,조인영,민경윤,이혜영,김슬지,박영주,류재환,이범준,김성욱,주일우,Im, Ju-Hyuk,Cho, In-Young,Min, Kyoung-Yoon,Lee, Hae-Yong,Kim, Seul-Ji,Park, Young-Ju,Lew, Jae-Hwan,Lee, Beom-Joon,Kim, Sung-Wook,Joo, Il-Woo 대한한방내과학회 2008 大韓韓方內科學會誌 Vol.29 No.4
Objectives : The purpose of this experiment is comparing the difference on natural killer cell activity through Korean red ginseng and Chinese red ginseng by $^{51}Cr$ release assay. Methods : Thirty rats were equally divided into a Korean red ginseng group, a Chinese red ginseng group and a control group. Korean and Chinese red ginseng were administrated to the rats at 200mg daily for a weak, while 0.9% normal saline was given to the control. Percent specific lysis (PSL) and lytic units (LU) were calculated from spleen cells by $^{51}Cr$ release assay. Results : Percent specific lysis of the Korean red ginseng group was significantly higher than that of the control in the ratio of 100:1, effector cell:target cell (p<0.05). Percent specific lysis of Korean red ginseng group was also significantly higher than that of the Chinese red ginseng group in the ratio of 25:1, effector cell:target cell (p<0.05). Chinese red ginseng showed no effect on NK cell activity. Conclusions : These findings suggest that Korean red ginseng improves immunologic function and shows superior effects than Chinese red ginseng.
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Tc-99m-MAA 를 이용한 간세포암의 경동맥 관류스캔
김강득,손광준,민경윤,권영미,김창근,노병석,원종진 ( Gang Deuk Kim,Kwang Joon Sohn,Kyung Yoon Min,Young Mi Kwon,Chang Guhn Kim,Byung Suk Noh,Jong Jin Won ) 대한핵의학회 1994 핵의학 분자영상 Vol.28 No.3
Puryose : Hepatic arterial perfusion scintigraphy with Tc 99m macroggregated albumin (HAPS) study was carried out in 16 patients with hepatocellular carcinoma(HCC) and in six patients without liver tumor to evaluate HAPS findings of hepatocellular carcinoma and usefullness of HAPS, Materials and Methods : HAPS with planar and SPECT study were performed in 22 patients after conventional hepatic or celiac arteriography. For HAPS study, 4 5 mCi of MAA mixed with 2ml of saline was injected into proper hepatic artery or its distal branches at the rate of approximately 1ml/sec. We anatysed 21 HCCs over 2cm in diameter(average diameter : 6.4cm) and 17 of 21 HCCs were over 4cm in diameter(Table 1). CT, sonography and angiography were performed within two week in all 16 patients and liver scan was performed in 12 patients. Results : Three different pattern of tumor perfusion were observed in 16 pat.ients with HCC (Table 2), 1) diffuse increased perfusion in 16 of 21(76%)(Fig. 1) 2) increased peripheral perfusion in 4 of 21(19%)(Fig. 2) 3) diffuse decreased perfusion in 1 of 21(5%) Arteriovenous shunt indicated by lung uptake of MAA were observed in 9 of 16(56% ) (Fig. 4). In contrast, angiography demonstrates arteriovenous shunt in 2 of 16(13%). There was no accumulation of radioactivity on RRC blood pool scan in all six patients with HCC examined (Fig. 1). Conclusion : HAPS is useful study in evaluation of perfusion pattern or vascularity of HCC and in detection of arteriovenous shunt.
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손영진(Son Young-Jin),민경윤(Min kyung-Yun),이강원(Lee Kang-Won),방연근(bang Yeun-Gun) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
The ascent and descent market screen door (PSD-Platform Screen Door) between the electromotive car which is in the process of operating from the subway ascent and descent market and the passenger it is an immediacy and crisis as the system which it intercepts currently the inside and outside of the country of course signal system automatic operation signal system (ATO) establishment is operated from the segment. Manual operation signal system (the ATS and the ATC) almost it is a condition which is wholly lacking from the segment. This year from second half of the year 2 line manual operation signal system (ATS).It established the shutting tightly elder brother and the railing elder brother in PSD system in segment 12 reverses and the death accident due to the passenger hurt accident which occurs from the subway.It prevented an energy curtailment in the same time when it raises air cooling efficiency, It gathered it restricted the underground space which is comfortable in the use citizen and and and service it did interface the electromotive car and PSD entrance and exit literature course from the manual operation segment to sleep technically optimizationt. It researched a minute dust diffusion.
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한학수(Han Hag-Su),민경윤(Min Kyung-Yun),유기선(Ryu Ki-Son) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
Electric Power cable is the apparatus that receives electric power from the Korea Electric Power Corporation and supplies electric power to electric train and annex facilities of each railway station. With substantial ripple effect during power blackout accidents, such power blackout accidents must be coped with by discriminating the status of insulation deterioration of electric power cable in advance. Discrimination of insulation deterioration of the electric power cable is normally executed while the power is disconnected and it is very difficult to discover, at early stage, the insulation deterioration of the power cable in operational state since the duration of inspection is limited. This research aims to consider method of diagnosing the insulation deterioration of electric power cable in On-Line state rather than diagnosis in Off-Line state in order to secure reliability of power supply by reducing duration of power blackout (accidental blackout and blackout during works) and by seeking reduction in equipment and manpower used in diagnosis of deterioration through prevention of the accident itself prior to occurrence through early restoration of accident due to insulation deterioration of the electric power cable and assessment of performance of the cable under operation.
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