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A Design of Cooperation Coordinator using Band-Cloud
민승원,이종용,정계동 국제문화기술진흥원 2017 International Journal of Advanced Culture Technolo Vol.5 No.2
The Internet of Things(IoT) market is expected to grow from 15.5billion to 75.4 billion by 2015-2025. As the number of IoT devices increases, the amount of data that is sent to the cloud is increasing. Today’s Cloud Computing models are not suited to handle the vast amount of data generated by IoT devices. In this paper, we propose a Cooperation Coordinator System that reduces server load and improved real-time processing capability under specific circumstances by using Band-Cloud. The cooperation coordinator system dynamically forms the cloud when cooperation is needed between mobile devices located near. It is called Band-Cloud. Band-Cloud provides services entrusted by Central Cloud. This paper describes the proposed system and shows the cooperation process using the Android-based mobile devices and Wi-Fi Direct technology. Such a system can be applied to cases where real-time processing is required in a narrow area such as a hospital ward or a school classroom.
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박종택(JT Park),민승원(SW Min),박영동(YD Park),김흥택(HT Kim) 대한산부인과학회 1974 Obstetrics & Gynecology Science Vol.17 No.8
50세의 속발성불임부인에서 자궁종양으로 개막수술을 시행 중 대동맥과 좌측난소에 폐흡충 이 이소기생한 희귀한 예를 발견하고 임상 및 문헌적 고찰을 하였다. Paragonimiasis westermani is one of chronic pulmonary disease. However, at the stage of metacercariae. it is reported that these are involved in the sites of brain, spinal cord, orbit, mediastinum, abdominal wall, great and lesser omintum, mesentery, gernial sac and fallopian tubes other than lungs. But, there have beev few report concerning with the captioned cases. Thus this report have been made for this particular case. The patient is a Korean house-wife, 50 years old with Gravida ; 3, Para ; 1, Abortion ; 2 and was admitted with chief complaints of low abdominal mass on 26th Jan. 1973 to the Department of Obstetrics and Gynecology and Internal Medicine Cheil Hospital, Seoul. Preoperative diagnosis was myoma of uterus, since there were physical findings such as globular solid mass of 15×15×15cm sized, firm, nodular surfaced was palpated in the low abdomen. No particular family history was found. However, The Raw crabs and fish were frequently accepted by the patient according to the past history. On routine laboratory findings including the hematology, urinalysis, chest P-A, skull A-P and Lateral, I.V.P. and liver function test were within normal limits, and pregnancy test was also negative, except the flat abdomen shows calcified density in the left low abdomen. At the operation there were two calcified nodules in the great omentum which were greyish white in color and 3×3×2cm in size. Pathologist reported micrescopic diagnosis of the omental calcified nodules and left ovary was paragonimiasis involving "omental" fat tissue with comment as following "the omental fat tissue, microscopically, show areas of necrosis in which many eggs of paragonimus found. Old calcified nodules (old paragonimus foci) are also found in the ovarian stroma."
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박종택(JT Park),곽달현(DH Kwak),최규태(KT Choi),민승원(SW Min) 대한산부인과학회 1973 Obstetrics & Gynecology Science Vol.16 No.9
This paper deals with 15 cases of life saving postpartum hysterectomies performed at the Cheil Hospital, Seoul, Korea over the seven year period 1963-1970 with special reference to the incidence, parity, etiology, the weight of newborn, type of delivery, use of pitocin, duration of labor, time of operation, transfusion and the prognosis. Analysing those experiences, a.few suggestions are made out for prevention of maternal death from postpartum hemorrhage. Conclusion and Summary 1. 14 out of 15 cases were multiparous women. 2. The incidence of postpartum hemorrhage was 2.7% in this series which is far reduced than that of generally accepted rate of 5% however, 15 postpartum hysterectomies out of a total of 5,79 deliveries make an incidence of 1 per 400 total births, which is much higher than that of SOTTO (1 per 2,464) and DYER (1 per 1,512). 3. The incidence of hysterectomy showed significant rise (8 times) in the group who born a larger bady ( above 4,000gm). 4. Use of pitocin during labor could reduce the incidence of postpartum hemorrhage to its one third of non-pitocin group, however, it seems to be ineffective in the cases of severe atonic bleeding. 5. Average 5 pints of whole blood were given to all cases before performing hysterectomies to combat shocks. In other words, sufficient amount of whole blood must be available any time for delivery room. 6. Delivered mothers must be kept under close observation at least for the first three hours since the hysterectomies were performed within three hours after delivery on 10 out of 15 cases. 7. Histological examination of resected uterus revealed 3 placenta previae, 2 rupture of uterus, 2 seperation of cesarean wound, 1 noninvolution of placental site, 1 coagulation defect and no pathology (atonic) in 6 cases. 8. There was one maternal death who was a non-booked case and has been complicated with severe liver cirrhosis and coagulation defect.
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감속 및 운전자 주의환기를 위한 돌출형 노면표시 설계기법 연구
박현진 ( Park Hyun-jin ),정동혁 ( Jung Dong-hyuk ),민승원 ( Min Seung-won ) 한국도로교통공단 2013 교통안전연구 Vol.32 No.-
본 연구에서는 돌출형 감속유도 노면표시 설치를 통하여 속도관리 및 운전자의 주의환기를 분석하는 연구를 수행하였다. 기존 돌출형 노면표시 방식의 이탈 문제점은 돌기부 접촉 면적을 넓히고 높이를 낮추는 방안을 통해 해결하고, 갈매기 노면표시를 더하여 체감속도를 이용한 속도감속을 유도한다. 갈매기 노면표시는 7개의 시나리오를 설정하고 설문조사와 시뮬레이터를 이용하여 자료수집을 하였다. 수집된 자료를 각종 분석방법과 분석툴을 이용하여 감속효과가 뛰어난 시나리오를 채택하였다. 현장실험을 통해 돌출부의 소음과 진동데이터를 수집하여 운전자의 주의환기를 증명하였다. 본 연구의 결과는 속도관리 및 운전자 주의환기를 위한 효과적인 가이드라인을 제시함으로써 돌출형 감속유도 노면표시 설치 시 유용한 자료로 활용될 것으로 기대된다.
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