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김인철(Kim, In-Chul),이주용(Lee, Joo-Yong),이정렬(Lee, Jung-Lyul) 한국해안해양공학회 2011 한국해안해양공학회 논문집 Vol.23 No.1
2009년 8월 13일과 15일, 부산 해운대 해수욕장 앞 해상에서 이안류가 발생하였다. 또한, 올 여름인 2010년 7월 29일과 30일에도 이안류가 발생하여 피서객 들이 조난된 사고가 발생하였다. 해수욕객들은 전원 구조되어 인명 피해는 발생하지 않았지만 최근 이안류 발생이 너무 잦아져 이에 대한 원인파악과 대책마련이 시급한 실정이다. 본 논문에서는 파랑모형과 조류가 결합된 해빈류 모형을 기본으로 튜브거동까지 재현되는 사용자 편의를 위하여 GUI로 개발된 HAECUM 모형(HAEundae CUrrent Model)을 이용, 해운대 해수욕장의 이안류 발생 수치모의를 실시하였다. At Haeundae Beach in Busan, people were swept away by the fast-moving rip current and rescued, on August 13th and 15th, 2009 & July 29th and 30th, 2010. In predicting the wave-induced current and consequent tube movement for public safety, the coastal flows and waves are calculated at each time step and grid point by means of systematic interfacing of hydrodynamic and wave models (Lee, 2001). To provide a user-friendly simulation tool for end-users, the forecasting system has been built in a software package called HAECUM. Outputs from the system are viewed as graphs of tube positions with combined current vectors for easy decision of emergency management officials. The tube-wave interaction is taken into account and the traces of swim tube are simulated by using a Lagrangian random walk (Chorin, 1978; Lee, 1994). In this study, we use the Lee's approach (Lee, 1993) in estimating the surface onshore currents due to wave breaking.
이지영,김만호,최병렬,이정원,조충식 대전대학교 한방병원 2001 惠和醫學 Vol.10 No.1
A clinical study was done in one case of Diabetic Nephropathy patient for Oriental Medicien Hospital of DaeJeon Univeristy one month, Dec 1-30, 2001. The following results were obtained. Patient, 60 years old man had complained tibia edema, itching sense, an early uremia and Rt. Hemiparesis. After treatment of Acupuncture and Moxibustion and Herbmed with physical therapy during about one month, patient could self working with assistance and showed improvedment of chief compalin and uremia.
최병렬,이지영,송기철,조정효 대전대학교 한방병원 2002 惠和醫學 Vol.11 No.1
After treating a patient suffering from hepatitis A, a significant result is gained as follows. This study was done from the patient who were at the Oriental Medicine Hospital of Daejeon University during 20 days, from 5. 22 to 6. 9, 2001. A 26-year-old patient had complained an general body jaundice, fatigue, nausea, dizziness and general body weakness. During the hospital periods, the kinds of therapy are acupuncture and Herbal Medication. Given the treatment, he felt so satisfied about his symptom's improvement, and the numerical value of a laboratory examination was improved.
안태규,최병렬,송기철,이용연,유화승,서상훈,최우진,조정효,이연월,손창규,조종관 대전대학교 한방병원 2001 惠和醫學 Vol.10 No.1
In the literatual study on Holotrichia, the results were obtained as follows ; 1. Holotrichia is larva of Holotrichia diomphalia Bates etc. powder or liquor of Holotrichia is used medically. 2. Appearance of Holotrichia is shape of kidney, yellowish color. 3. The oriental characters of Holotrichia is warm, toxicant, salty. 4. The significant efficancy of Holotrichia is breaking the stagnant blood. 5. Holotrichia can be applied to the diseases related to thrombosis, and recover the demage of liver. 6. Holotrichia avails Liver diseases such as Hepatitis, Liver cirrhosis, Hepatosplenomegaly, Hepatoma etc.
강시환(Kang See Whan),강인남(Kang In Nam),이정렬(Lee Jung Lyul) 대한토목학회 2006 대한토목학회논문집 B Vol.26 No.5B
준설작업으로 인해 재부유된 퇴적물로 구성된 탁도플륨의 이송확산 거동을 예측하기 위해 이(1998)가 제안한 수치 해석의 혼합방법(hybrid method)을 사용하여 3차원 수치모형을 개발하였다. 본 모형에서는 이송 및 확산식의 수치해석에 있어 이송 과정은 전방업자추적기법(forward particle-tracking method), 확산 과정은 유한치분기법을 사용하여 수치계산에 있어 무작위 행보(random walk) 방법에 비해 계산시간이 크게 단축되었으며, 수치모의 결과의 정확성도 크게 향상되었다. 본 모형을 검증하기 위하여 1, 2차원 해석해와의 비교, 그리고 Kuo 등(1985)의 3차원 수리해석모형의 계산결과와 비교하였다. 본 모형의 검증 결과는 비교적 해석해와 잘 일치하였다. In order to predict the dispersion of suspended sediment arising from dredging operation in port and navigation channel, a hybrid model for dispersive transport of turbidity plume was developed using Lee's(1998) hybrid method. Using hybrid modeling scheme advection-diffusion equation was solved by the forward particle-tracking method for advection process and by the fixed Eulerian grid method for diffusion process. To examine numerical model simulation ill accuracy, the simulated results for 1-D, 2-D, and 3-D cases were compared with the analytical solutions including Kuo, et al's (1985) 3-D mathematical model. The model results were in a good agreement with the analytical solutions and mathematical model for the dispersion of turbidity plume.
Protective effect of yeoldahanso-tang on radiation-induced oral mucositis in mice
Lee, Jong Hyun,Lim, Sung-Lyul,Lee, Seok-Geun,Ryu, Seung-Hee,Lee, Sang-wook,Kim, Kwanil,Jung, Jinhong,Kong, Moonkyoo,Lee, Jung-woo,Lee, Junhee,Eun, Young-Gyu,Ahn, Kwang Seok Kyung Hee Oriental Medicine Research Center, Kyung 2016 Oriental Pharmacy and Experimental Medicine Vol.16 No.1
Radiation-induced oral mucositis is probably the most common toxicity for head and neck cancer patients. This adverse effect potentially leads to various lesions such as erythema, ulcerations, pain, opportunistic infections, and weight loss. Although there are many experimental studies and clinical trials related to novel therapies for radiation-induced oral mucositis, we here evaluate the protective effect of orally administrated Yeoldahanso-tang (YDHS) on radiation-induced oral mucosal damage in a mouse model. YDHS is a traditional Korean herbal formula, containing 7 herbs: Pueraria thunbergiana Benth., Angelica tenuissima Nakai, Platycodon grandiflorum (Jacq.) A. DC., Raphanus sativus var., Angelica dahurica Benth. et Hooker f., Cimicifuga heracleifolia Kom., and Scutellaria baicalensis Georgi. Oral mucosal damage was induced by irradiation (17 Gy) throughout the head and neck area in male BALB/c mice. YDHS (400 or 800 mg/kg/day for consecutive 12 days) was administered orally, and the protective effect was determined by histological evaluation of the oral mucosa. We found that irradiation highly increased COX-2 expression in salivary glands and its expression was suppressed by YDHS. Histologically, the irradiated mice exhibited the epithelial thickness from the basement membrane to the stratum granulosum significantly decreased as compared to the vehicle group. YDHS-treated mice showed significantly recovered epithelial cell layer thickness compared to irradiated group. Similarly, YDHS-treated group also showed the expression of Ki-67, cell proliferation maker, in the basal layer compared to the irradiated group in both dorsal and ventral surface. From these results, we suggest that YDHS is a promising candidate for preventing or treating radiation-induced oral mucositis during radiation therapy.