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김한영(Kim Han-Young),신재렬(Shin Jae-Ryul),김대영(Kim Dae-Young) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
This paper describes the results of the performance analysis of the airfoil-shaped concentration device installed above a building for BiWP(Building-integrated Wind Power) which recently attracts attention as a local power. The effects of the airfoil-shaped concentration device above a building on the wind velocity increasement examined by a series of detailed numerical analysis using CFD and wind tunnel test. The results show that the airfoil-shaped concentration device above a building increase the wind velocity from 120% to 150%.
김한영 ( Han-young Kim ),김정훈 ( Jung-hoon Kim ) 대한본초학회 2024 大韓本草學會誌 Vol.39 No.3
Objective : In this study, we performed quantitative comparison on the content of 10 marker compounds in cinnamon barks from different species and found chemical discrimination between genuine Cinnamomum cassia and other Cinnamomum species (Non C. cassia ). Methods : Cinnamon bark samples were extracted using the ultrasonication in 100% methanol for 30 minutes. The samples were analysed using high-performance liquid chromatography with statistical analysis. Results : The analytical method developed in this study met all validation criteria and was applied to the quantification of the 10 marker compounds in cinnamon bark samples. The major chemical discrimination of C. cassia were identified as low content of epicatechin and eugenol, and high contents of benzaldehyde, cinnamaldehyde and cinnamic acid compared to other Non C. cassia samples. Especially, among other compounds, the content of cinnamaldehyde was the highest in the C. cassia and Non C. cassia samples. The result of principal component analysis showed that the samples of C. cassia and Non C. cassia were clearly differentiated via benzaldehyde, cinnamaldehyde, cinnamic acid, eugenol, and epicatechin, which influenced on clustering C. cassia and Non C. cassia samples. Conclusion : C. cassia and Non C. cassia samples were chemically discriminated using the quantitative HPLC analysis. Based on this, it is possible to control the quality of herbal medicines containing Cinnamomi Cortex. It is necessary to further improve the accuracy of discrimination between C. cassia and Non C. cassia species to evaluate cinnamon bark quality.
증례보고 : 특발성 척추 측만증 수술 중에 발생한 악성 고열증
김한영 ( Han Young Kim ),김영주 ( Young Ju Kim ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.5
Malignant hyperthermia is a potentially fatal hypermetabolic syndrome characterized by skeletal muscle rigidity and hyperpyrexia. We had an 11-year-old female presented for a surgery for idiopathic scoliosis of the thoracic vertebra. Generalized muscle rigidity and tachycardia were revealed 1 hour 35 minutes after isoflurane administration. Then the body temperature was risen to 43℃ within 10 minutes and the arterial blood gas analysis showed a severe respiratory and metabolic acidosis. Under the suspicion of malignant hyperthermia, the patient was treated by discontinuing all anesthetic agents, hyperventilation with 100% oxygen, surface cooling with ice pack and the administration of dantrolene sodium. But, the patient died of renal failure and disseminated intravascular coagulation after 50 days postoperatively. (Korean J Anesthesiol 2009;57:656∼61)
김한영(Kim, Han-Young),김동훈(Kim, Dong-Hoon) 대한건축학회 2017 대한건축학회 학술발표대회 논문집 Vol.37 No.1
During the Crimean War in 1859, Nightingale, who served as a nurse during the War, claimed that the treatment environment had a significant impact on the mortality of the wounded. They figured that Hospital Architecture, Design, Light, and Ventilation System are the factors that enhance the health of the patient"s. Therefore, they suggested Pavilion hospital environment which brings well-lighted Ventilation System. Despite these reasons, the hospital, which is currently the target of this study, is still unable to provide the necessary treatment environment for patients. Therefore, by understanding the concepts of hospitals and renovations, and by analyzing the quality of the facility, this study seeks the rehabilitation plan in order to provide a pleasant treatment environment for patients.