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박현규(H. K. Park),임홍섭(H. S. Yim),이혜경(H. K. Yi),김광순(K. S. Kim),문영훈(Y. H. Moon) 한국소성·가공학회 2008 소성가공 : 한국소성가공학회지 Vol.17 No.8
Strain hardening behavior during hydroforming has been experimentally investigated. The variation of flow stress was used as an index of strain hardening during respective processes and the flow stess was estimated from the correlationship between flow stress and effective strain. The local hardness after hydroformig was also predicted by effective strain. By using the inter-relationships between hardness-flow stress-effective strain at variable pre-strains, the strain hardening behavior during hydroforming has been successfully analyzed. The comparison of predicted hardness with measured hardness confirmed that the methodology used in this study was feasible and the strain hardening behavior can be quantitatively estimated.
小兒氣管支喘息 및 喘息性氣管支炎에 對한 Th 152(Alupent)의 使用經驗
金光洵,李鍾英 現代醫學社 1968 現代醫學 Vol.9 No.3
Alupent (Th 152), 1-(3, 5-dihydroxyphenyl)-1-hydroxy-2-isopropyl aminoethane is a newly synthesized bronchodilating drug of the adrenalin system. In its chemical structure, it closely .resembles the common isoproterenol. The main difference between them is that the two OH radicals of the benzene ring are in the ortho position in isoproterenol, but in the meta position in Alupent. Excellent clinical results with Alupent have been reported by Herberg, Zidek, Lichterfeld, Kumaya, Kawakami, Saito, and others; but there is no report yet on its use in the pediatric field in Korea. The authors used Alupent in 30 children, and wish now to report the results obtained. The material consisted of outpatients and inpatients of the pediatric department of the Pusan Alupent +university hospital from the beginning of January 1968 to the middleof June, 1968. Out of 30 patients 12 had bronchial asthma and 18 had asthmatic bronchitis. All of them were given in tablet form or injection. ML The results were evaluated after auscultation of the chest region, according to whether the Tales or stridor had vanished, and an additional criterion was the disappearance of breathing -difficulties. If 2 to 3 days passed between the administration of Alupent and disappearance of the symptoms, the result was classified as "excellent"; if 4 to 6 days, "effective"; over 7 days, "ineffective". The effect of Alupent in 20 cases was "excellent" (66.6%) ; in 9 cases "effective" (30%) > in one case "ineffective". Thus, the drug was "excellent" or "effective" in 29 cases, or 96.6%. This result may be called outstanding. In the authors own experience, there were no .`side effects whatsoever during the period of administration, which was relatively short. However, since the side effects of Alupent are reported to be very slight, our child patients were perhaps unable to feel them or complain of them. We consider that Alupent is a recommendable drug in the pediatric field.