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윤다래,이지숙,노현인,이서라,류재환,Yoon, Da-Rae,Lee, Jee-Sook,Noh, Hyun-In,Yi, Seo-Ra,Ryu, Jae-Hwan 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.2
Objectives : This study was aimed to provide the basic characteristic of patients who visited an Oriental medical hospital emergency room. Methods : We performed a retrospective study on 1,119 patients who visited Kyunghee University Oriental Medical Hospital Emergency Room from June 1, 2011 to March 31, 2012. Results and Conclusions : 1. In distribution of sex, the rate of males was 44.1%, and that of females was 55.9%. The male to female ratio was thus 1:1.26. The patients' average age was 54.64 and the 6th decade of life was the peak age group. 2. Most of the patients visited the Oriental medical hospital emergency room between 11:00 and 23:00. 3. In distribution by days of the week, the most common was Sundays (24.5%), followed by Mondays (16.7%). 4. In the month distribution, the most was December (12.4%), followed by November (10.0%). 5. The patients were grouped as follows: neurological diseases 58.9%, musculoskeletal disease 27.5%, internal medical disease 10.4%, and others 3.2%. 6. Admission rate of patients being treated was 38.8%, and the admission to the intensive care unit (ICU) was 4.5%. of total visiting patients.
한국형 우주비행기의 기준 항력 추종 기반 재진입 유도 기법
윤다인(Da-In Yoon),김영원(Young-Won Kim),이창훈(Chang-Hun Lee),최한림(Han-Lim Choi),유혁(Hyeok Ryu) 한국항공우주학회 2021 韓國航空宇宙學會誌 Vol.49 No.8
본 논문에서는 한국형 우주비행기(KSP)에 대한 새로운 재진입 유도를 제안하고자 한다. 제안된 방법은 우주 왕복선 유도 개념과 유사하게 다양한 비행경로 제약조건과 경계조건을 만족시키는 기준 항력 프로파일을 미리 결정하고, 결정된 기준 항력 프로파일을 추종하는 방식으로 유도명령이 구현된다. 이를 위해 본 연구에서는 항력 동역학을 조사하였으며, 그 결과 항력과 비행경로각의 동역학적 응답 특성이 상당히 다르다는 사실이 밝혀졌다. 이 사실을 바탕으로 제안한 유도명령은 시간분리 기법과 궤환선형화 방법을 사용하여 결정된다. 제안한 유도기법의 주요 특징은 간단한 구조와 명확한 작동 메커니즘에 있다. 따라서 제안된 방법은 기존 방법에 비해 구현이 간단하다. 본 논문에서는 제안된 방법의 성능을 조사하기 위해 수치 시뮬레이션을 수행한다. This paper aims to propose new reentry guidance for Korean Space plane (KSP). Similar to the Space Shuttle guidance concept, a reference drag profile is first determined to satisfy several flight path constraints and boundary conditions, and the proposed guidance commands are realized in a way to track the predetermined reference drag profile. To this end, the drag dynamics is examined. The investigation uncovers that the dynamics characteristics of the drag and the flight path angle are considerably different. Based on this fact, the proposed guidance commands are determined using the time-scale separation technique and the feedback linearization methodology. The key feature of the proposed guidance lies in its simple structure and a clear working mechanism. Therefore, the proposed method is simple to implement compared to existing methods. Numerical simulations are performed to investigate the performance of the proposed method.
온열환경과 부자이중탕(附子理中湯)이 Rat의 면역반응 및 지질대사에 미치는 효과
노현인,윤다래,이서라,이인희,홍성인,류재환,Noh, Hyun-In,Yoon, Da-Rae,Yi, Seo-Ra,Lee, In-Hee,Hong, Sung-In,Ryu, Jae-Hwan 대한한방내과학회 2013 大韓韓方內科學會誌 Vol.34 No.1
Objectives : This study was designed to test the effect of a warm environment and Bujaijung-tang on immune and lipid metabolism in rats. Methods : The extract from Bujaijung-tang was made by the pharmacy department of Kyung-Hee oriental medical hospital. The animals were divided into four groups, by room or warm environment and Bujaijung-tang administration. Each group had 8 Sprague-Dawley Rats. We measured body temperature twice a week, body weight three times a week. After 3 weeks of experiment, serum lipid level, WBC, differential count, lymphocyte proliferation and immune cytokine concentration were measured. Results : 1. warm environment induced weight loss in rats. 2. warm environment induced a decrease of total cholesterol and low-density lipoprotein (LDL) cholesterol gain. 3. warm environment and Bujaijung-tang induced an increase of tumor necrosis factor (TNF)-${\alpha}$ concentration. Conclusions : The warm environment had a hyperlipidemia modulating effect. The warm environment and Bujaijung-tang had an immune modulating effect.
한방병원 중증치료실 입원 환자의 임상적 분석 - 주 질환 및 합병증 위주로 -
노현인,이지숙,윤다래,이서라,류재환,Noh, Hyun-In,Lee, Jee-Sook,Yoon, Da-Rae,Yi, Seo-Ra,Ryu, Jae-Hwan 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.2
Objectives : This study was designed to quantify the characteristics, main diagnosis and complications in the intensive care unit (ICU) at an Oriental Medical Hospital. Methods : The medical records of 44 patients admitted to the ICU at Kyunghee Oriental Medical Hospital between January 1, 2011 and December 31, 2011 were reviewed. Basic characteristics of patients, admission channel, main diagnosis, east-western medical therapy, mortality, and complications were investigated retrospectively based on medical notes. Results : 1. The total number of patients was 44. Males were 63.6%, females 36.3%. Average admission days was 15.9. 2. The most frequent age group is eighties, 38.6%. 3. The most frequent disease is cerebrovascular disease, 61.3%. 4. The medical therapy done after admission to ICU was intubation. Central vein insertion was performed next, followed by Foley's catheter insertion, ventilator, tracheostomy, nasogastric intubation, and thoracentesis in order. The proportion of Oriental medical treatment provided to the patients of ICU was as follows: herbal medication only 6.8%; herbal medication plus acupuncture 31.8%; herbal medication, acupuncture electro-acupuncture, plus subcutaneous acupuncture 2.3%; and none 27.3%. 5. The number of cases of complications occurred since ICU admission was 18. The most frequently observed complication was infection, including 6 cases of pneumonia and 4 cases of urinary tract infection. Conclusions : We suggest that ICUs of Oriental medical hospitals need to be managed effectively to treat diseases including cerebrovascular disease and prevent complications.
상엽(桑葉)의 고지방식이 유도 비만 쥐에 대한 조직학적 및 혈청학적 항비만 효과 연구
이지숙,노현인,윤다래,이서라,류재환,Lee, Jee-Sook,Noh, Hyun-In,Yoon, Da-Rae,Yi, Seo-Ra,Lew, Jae-Hwan 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.3
Objectives : Mori Folium is used for hyperlipidemia or diabetes. The study was designed to test the anti-obesity effect of Mori Folium on body weight, hepatic fat accumulation and serum lipid level. Methods : The extract from Mori Folium was made by the pharmacy department of Kyung-hee oriental medical hospital. Normal diet, high-fat diet, 30% reduced diet and Mori Folium groups were set. The normal group was administered normal rat food, but the other three groups were administered high fat food. We measured body weight once a week. After 3 weeks experiment, hepatic lipid accumulations were measured. Also we compared serum lipid levels among the 4 groups after 3 weeks. Results : Mori Folium had no effect on body weight, but the 30% reduced diet had an inhibitory effect on body weight gain. Mori Folium had more inhibitory effect on hepatic fat accumulation than a 30% reduced diet. Mori Folium also has more inhibitory effect on serum triglyceride than 30% reduced diet. Conclusions : Mori Folium has anti-obesity effect on hepatic lipid accumulaion and serum triglyceride level in high fat diet induced rats.