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민지연 ( Ji Yeoun Min ),민승연 ( Seung Yeon Min ),변영재 ( Young Jae Byun ),정종헌 ( Heon Jeong Jung ),이용구 ( Yong Gu Lee ),김배근 ( Bea Keun Kim ),신정훈 ( Jeong Hun Shin ) 대한내과학회 2013 대한내과학회지 Vol.84 No.3
Arterial hypertension following blunt abdominal trauma is a rare complication that can be induced by compression of the renal parenchyma due to a perirenal or subcapsular hematoma or adrenal hemorrhage. A 63-year-old woman was admitted after blunt abdominal trauma. Abdominal computed tomography (CT) revealed a right renal subcapsular hematoma and right adrenal gland hematoma. The patient developed hypertension during conservative treatment. Pheochromocytoma, renovascular hypertension, adrenal adenoma, thyroid disease, and other causes of secondary hypertension were excluded. On following the patient, her blood pressure normalized spontaneously without prescribing any antihypertensive medications. The renal subcapsular hematoma and adrenal hemorrhage regressed progressively as the blood pressure normalized. We report this case to make physicians aware that transient hypertension can develop in patients with blunt abdominal trauma, and to prevent the use of unnecessary antihypertensive medications. (Korean J Med 2013;84:414-417)
에너지 효율적인 저 지연 데이터 수집을 위한 하이브리드 WSN MAC 프로토콜
민지연(Ji-yeon Min),정상화(Sang-hwa Chung) 한국정보과학회 2014 정보과학회논문지 : 정보통신 Vol.41 No.1
B-MAC+은 목적지 노드 주소와 프리앰블 패킷 번호만을 포함하는 짧은 프리앰블 패킷을 통해 수신 노드의 프리앰블 오버히어링에 따른 에너지 소모를 최소화하고자 하였지만 고정적인 프리앰블 오버헤드는 송신 노드의 에너지 소모와 통신 시간을 증가시킨다. XY-MAC은 이를 해결하기 위해 Early ACK 기법을 제시하였으나 Early ACK 구간의 삽입은 수신 노드의 아이들 리스닝 구간을 증가시키는 문제점이 있다. 이와 같이 단일 MAC 프로토콜로는 에너지 효율성과 지연 시간의 두 성능을 모두 만족하지 못한다. 하이브리드 MAC 프로토콜은 데이터 수집 트리에서 다운 링크 트래픽과 업 링크 트래픽에 각각 B-MAC+과 XY-MAC을 적용하여 에너지 효율은 증가시키면서 데이터 수집 시간은 감소시킬 수 있도록 하였다. 실험 결과 생존 시간은 기존 B-MAC+과 XY-MAC의 단일 MAC에 비해 각각 14%, 26% 증가되었고 데이터 수집 시간은 단일 B-MAC+에 비해 21% 감소되었다. This paper proposes a new Hybrid MAC protocol which provides high energy efficiency and low latency for data collection in wireless sensor network. B-MAC+ uses a short preamble packet which contains only destination address and countdown number to reduce energy consumption of receiver node due to preamble overhearing. But the static preamble overhead of B-MAC+ generates unnecessary energy consumption of sender node and communication latency. To solve these problems, XY-MAC uses Early ACK, however, this Early ACK increases the idle listening duration of receiver node. Likewise, with using only one MAC such as B-MAC+ or XY-MAC, it is hard to obtain two performances, energy efficiency and low latency which are mutually exclusive. Hybrid MAC protocol suggests that node spreads data request packet using B-MAC+ and delivers data response packet using XY-MAC to increase energy efficiency and decrease data collection time. The experiment result shows that our proposed protocol leads to improvement in terms of network life time 14%, 26% compared with the B-MAC+, XY-MAC respectively and data collection time 21% compared with the B-MAC+.
창의적 문제해결력 증진을 위한 초등사회과 교육과정 개발 연구
박민정 ( Min Jeong Park ),민지연 ( Ji Yeon Min ),신종호 ( Jong Ho Shin ),모경환 ( Kyung Hwan Mo ),임정수 ( Jeong Soo Im ),최유정 ( Yoo Jung Choi ) 한국교육과정학회 2010 교육과정연구 Vol.28 No.1
The purpose of this study was to develop an alternative model of the elementary social studies curriculum to enhance creative problem solving ability by establishing components for improving creative problem solving ability and exploring the features and roles of these components. The present study explicitly established three areas of `knowledge`, `cognitive function`, and `value·attitude` as components of the elementary social studies curriculum for improving creative problem solving ability. In detail, eight issue areas as knowledge components were established for improving creative problem solving ability by issue-centered curriculum design and the 2007 revised elementary social studies curriculum was reconstructed with these issue area. In addition, divergent thinking and convergent thinking as the cognitive functional component of the problem solving ability were also established. It has been proposed that integrated approach among these components maintains a crucial meaning in the improvement of creative problem solving ability in social studies. Finally, for value·attitude that necessary to obtain creative achievement, we proposed a sense of sovereignty as a solver, open attitude & social communication, and curiosity/sensitiveness about social phenomenon.
파킨슨병, 파킨슨 의증 환자 2례에서 추나치료에 대한 증례보고
김창연,민지연,최영규,고영탁,정영훈,김태수,Kim, Chang-Yeon,Min, Ji-Yeon,Choi, Young-Gui,Koh, Young-Tak,Jung, Young-Hoon,Cho, In-Hee,Kim, Tae-Soo 척추신경추나의학회 2005 대한추나의학회지 Vol.6 No.1
Object : To discuss the Use of Chuna treatment in managing two patients with Parkinson's disease and/or Parkinson' syndrome Methods : This clinical study was carried out of 2 cases with confirmed by certified neurologist Parkinson's disease and/or Parkinson' syndrome. One case had been admitted from 2004.09.16 to 2004.09.24 and treated from 2004.09.26 to 2004.10.15 and the other case had been admitted from 2004.10.21 to 2004.11.06 and treated from 2004.11.08 to 2004.11.15 in the department of acupuncture and moxibustion of Ha-na oriental medical center. Results : There was significant improvement in condition of the two patients treated by Chuna treatment(upper cervical to promote CSF circulation) on Parkinson's disease or Parkinson' syndrome. Conclusion: In the case, we treated two patients of Parkinson's disease and/or Parkinson' syndrome. Chuna treatment efficiently relieved the symptoms including tremor and bradykinesia.
김태수,김창연,민지연,최영규,강대희,Kim, Tae-Soo,Kim, Chang-Yeon,Min, Ji-Yeun,Choi, Young-Gue,Kang, Dae-Hee 사상체질의학회 2004 사상체질의학회지 Vol.16 No.3
1. Objectives The Purpose of this study was to evaluate whether use of Sasang -Bang with western medication may injury the liver and the kidney function. We clinically studied the change Liver function test and BUN/Cr in patients who were hospitalized in Hana oriental Medical center for more than 1 month. 2. Methods The subjects were 33 patients admitted in Hana Oriental Medical center. All patients had been checked Liver Function Test and BUN/Cr three times every 2 weeks. 3. Results Aspartate Aminotransferase(AST), Alanine Aminotransferase(ALT), Gamma-Glutamyl transferase(GGT), Total billirubin, BUN, Creatine didn't change, compared with previous 2 weeks and 4 weeks. 4. Conclusions This study suggests that even though there are few toxic Sasang-Bang, in general, herbal medications with western medications which are prescribed by oriental medicine doctors should be carefully administered not to hurt liver and kidney function.
초등학생의 내,외재적 동기 및 창의성과 심리적 안녕감 간의 경로모형 비교 검증
이미나 ( Mi Na Lee ),민지연 ( Ji Yeon Min ) 한국초등교육학회 2013 초등교육연구 Vol.26 No.3
The purpose of this study was to identify the path relationship among intrinsic/extrinsic motivation, creativity, and psychological well-being. In this study, total of 146 students from two elementary school in Seoul were asked to respond to surveys on CIS(Creativity Inventory of Young Students), K-WBSA(Korea Well-Being Scale of Adolescent), and Intrinsic·Extrinsic Motivation Scale. Data was analyzed by cronbach`s alpha, pearson correlation, and path model. The results of this study were showed as follows. First, with the analysis of the correlation, there were positive correlations among intrinsic/extrinsic motivation, creativity, and psychological well-being. Especially intrinsic motivation was more related to creativity and psychological well-being. Second, the research model was acceptable for its goodness of fit, but the comparative model didn`t show goodness of fit. These findings support the notion that, intrinsic motivation is the key factor to effect creativity and psychological well-being. And pleasure or positive emotions generated through the creative process is important to pursue elementary school students` psychological well-being.
최서형,심민,김태수,민지연,최영규,Choi, Seo-Hyoung,Sim, Min,Kim, Tae-Soo,Min, Ji-Yeon,Choi, Young-Gyoo 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.4
Objective : Liver cirrhosis is a disease of the liver in which normal cells are replated by scar tissue. Chronic liver disease and liver cirrhosis are the foutth ranked causes of death in Korea. However, clinical data on liver cirrhosis is not accumulated in oriental medicine. Therefore, clinical characteristics of 33 liver patients admitted to Hana Oriental Hospital from May 2004 to May 2005 were studied. Methods : Clinical characteristics of liver cirrhosis, such sex, age, causes, Child-Pugh class, chief complain, abdomen ultrasonography, disease duration, past history, blood test and urinalysis were reviewed. Results : The results of this study were as follows: 1 The distribution of sex and age in our study is similar to already reported statistics. 2. Hepatitis B and alcohol are the major factors to cause the liver cirrhosis. Diabetes and hypertention contribute more to cause than they have in previous histories. 3. Major symptoms are following: fatigue 87.9%, ascites 84.8%, jaundice 78.8%, leg edema 72.7%, dyspepsia 45.5%. 4. Most liver cirrhosis patients have pancytopenia. Standard Deviation accentuates the big differences between total bilirubin and serum amonia. 5. In urinalysis, Urobilinogen 19 patients (57.6%), bilirubin 12 patients (36.4%), blood 15 patients (45.5%) are positive. 11 cases of 15 in blood positive results scored $3{\sim}4+$. Contusions : In oriental medicine, it will be necessary to research and develop oriental medical therapies for liver disease including liver cirrhosis.