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경사식 방파제의 전면에 설치된 수중방파제의 영향에 관한 연구
민현성,조용식,Min. Hyun-Seong,Cho. Yong-Sik 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
The reflection coefficients and the run-up heights affected by submerged structures are studied by using the numerical and the laboratory experimental methods. The three-point method is chosen to calculate the reflection coefficients in both the experimental and the numerical methods. The results of numerical simulations are shown a good agreement with laboratory measurements. The reflection coefficients increase and the run-up heights decrease when the rubble mound breakwater is defended by low-crested structures.
민현성,조용식,Min. Hyun-Seong,Cho. Yong-Sik 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
The numerical efforts are presented for investigation of irregular waves passing a slit cassion and a warock block breakwater. In the numerical model, the Reynolds equations are solved by a finite difference method and <TEX>$k-\varepsilon$</TEX> model is employed for the turbulence analysis. To track the free surface displacement, the volume of fluid method(VOF) is employed. Numerical predictions of reflection and transmission coefficients are compared with those of the warock block breakwater with the slit caisson. Energy dissipation and seawater exchange rates of the slit caisson are better than those of the warock block breakwater.
이비인후과 영역에서 일반의와 전문의에 의한 외래처방전의 비교 평가
민현성(Hyun Seong Min),송태범(Tae Beom Song,)이명구(Myung Koo Lee),장제관(Je Kwan Jang),이종길(Chong Kil Lee),임성실(Sung Cil Lim) 대한약학회 2010 약학회지 Vol.54 No.4
As people are easy to access the National Health Insurance, medical health service has been increased. It contributed to extend human’s average life expectancy and to get better health care. But also increased unnecessary health service or inappropriate drug use. Therefore, DUR (Drug Use Review) is needed to induce appropriate drug use. The purpose of this study is to evaluate outpatient prescriptions by General Practitioner (GP) and Specialized Practitioner, especially indication for ENT referral including common cold which is the frequent indications that have patient see doctor. This study was reviewed retrospectively prescriptions for ENT referral collected at the A pharmacy for ENT Clinic in Cheong-Ju, B pharmacy for GP Clinic in BoEun from Feb 2nd, 2009 to Feb 28th, 2009. Each pharmacy located closed to the each enrolled clinic. The numbers of collected prescriptions were each A pharmacy (n=2501), B pharmacy (n=1343). This study was classified Drug Related Problems (DRPs) those prescriptions had as total 6 groups according to following 6 categories; 1) Unnecessary Drug, 2) Wrong Drug, 3) Low Dose, 4) Overdose, 5) Wrong Instruction, 6) Wrong Combination. In results, Specialized Practitioner’s prescriptions had more DRPs than General Practitioner’s prescriptions (ENT 155.34% vs GP 130.01%). In detail, Specialized Practitioner’s prescriptions had more DRPs in Low Dose (ENT 16.95% vs GP 4.77%), Overdose (ENT 6.72% vs G.P 5.51%), Wrong Instruction (ENT 7.91% vs GP 5.81%), Wrong Combination (ENT 29.31% vs GP 25.09%). These DRPs would be caused from lack of consideration for dosage and drug interaction. General Practitioner’s prescriptions had more DRPs in Unnecessary Drug (ENT 70.37% vs GP 78.85%), Wrong drug (ENT 4.12% vs GP 9.98%). These DRPs would be associated with drug selection. This study was assumed that Specialized Practitioner is better prescriber than General Practitioner because Specialized Practitioner complete additional intern and residency training. But, Specialized Practitioner is not always better prescriber than General Practitioner. Furthermore, prescriptions of both Specialized Practitioner and General Practitioner had many problems. In conclusion, It could be cut down the excessive medical expense and expected more efficient medical care by reducing DRPs, thus contributing to the improvement of national health. In order to pharmacist must have good professional ability of pharmacotherapy to help the physician for the drug selection.