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- 저자 : 손지민(Son JiMin) (검색결과 6 건)
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열적활성화된 과황산에 의한 염화페놀의 산화분해특성 연구
손지민,권희원,황인성,김정진,김영훈,Son, JiMin,Kwon, Hee-Won,Hwang, Inseong,Kim, Jeong-Jin,Kim, Young-Hun 한국환경과학회 2020 한국환경과학회지 Vol.29 No.1
Oxidative degradation of phenol, three monochlorophenols (2-chlorophenol, 2-CP; 3-chlorophenol, 3-CP; 4-chlorophenol, 4-CP), four dichlorophenols (2,3-dichlorophenol, 2,3-DCP; 2,4-dichlorophenol, 2,4-DCP; 2,5-dichlorophenol, 2,5-DCP; 2,6-dichlorophenol, 2,6-DCP), and two trichlorophenols (2,4,5-trichlorophenol, 2,4,5-TCP; 2,4,6-trichlorophenol, 2,4,6-TCP) was conducted with heat activated persulfate. As the number of chlorinations increased, the reaction rate also increased. The reaction rate was relatively well fitted to the zero-order kinetic model, rather than the pseudo-first order kinetic model for the reactions at 60 ℃, which can be explained by insufficient activation of the persulfate at 60 ℃, and the oxidation reaction of 2,4,6-TCP at 70 ℃ was relatively well fitted to the pseudo-first order kinetic model. The oxidation reaction rate generally increased with increase of persulfate concentration in the solution. 2,6-dichloro-2,5-cyclohexadiene-1,4-dione was found as a degradation product in a GC/MS analysis. This compound is a non-aromatic compound, and one chlorine was removed. This result is similar to the result of previous studies. The current study proved that heat activated persulfate activation could be an alternative remediation technology for phenol and chlorophenols in soil and groundwater.
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손지민(Son, Jimin),유한주(Yoo, Hanjoo) 한국서비스경영학회 2017 서비스경영학회지 Vol.18 No.1
As the competition of medical market is getting tight, unless medical institutions actively deal with this change of situation, it can be faced with big danger from diminishing business outcome. To solve this problem, medical institutions are coming up with various services for customers, and removing dissatisfaction factors is perceived as important activity for medical service. Among the dissatisfaction factors from customers, because waiting time is the main dissatisfaction factor, managing the waiting time in medical institution is necessary to improve the customer satisfaction. This paper selected 4 tertiary hospitals and 4 general hospitals located at capital area and analyzed the comparison data about applying queueing theory to the strategy of waiting time and examples of managing customer waiting time, by visiting medical institution and interviewing the person in charge. According to research result, it was found out that tertiary hospitals built management system and facility applying cutting edge IT in order to manage customer"s waiting time efficiently. However, there were no hospitals which used queueing theory to manage customer"s waiting time, which was traditionally used from the companies. The conclusion of this paper is as follows. First, in the medical environment where customers are concentrated to tertiary hospitals, in order for general hospitals to have competitive strength, they need to find out methods of managing waiting time better than tertiary hospitals, and for distinctive management strategy, queueing theory will be useful. Second, to provide high-quality medical service, medical institutions need to collect management strategy based on academic theories rather than based on experience.
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손지민 ( Son Jimin ) 서울대학교 인문학연구원 2020 人文論叢 Vol.77 No.4
알로이스 리글이 주창한 ‘예술의지’는 주로 각 시대의 문명이 부여하는, 특수한 사회 전반의 조건들을 반영하여 표출되는 특정 개인과 집단의 의지로 정의되곤 한다. 그의 예술의지 이론은 그의 저작에서 매우 중요한 개념적 중요성을 갖지만 동시에 언급되는 경우가 매우 적다. 이 모호성은 그의 예술사학의 영역이 예술작품의 태동의 순간에 영향을 끼친 모든 것과 관찰될 수 있는 모든 단서를 아우르는, 그 지평선들을 명확히 규정할 수 없고 계속해서 내적인 변화를 거치며 영구히 심화, 확장되는 영역이라는 점에 기인한다. 그러므로 리글의 예술의지 개념을 명료화 하는 일은 그의 예술사학이 대상으로 삼는 ‘영역’을 더욱 구체화하는 과정을 필요로 한다. 본 논문은 리글이 이 영역을 두 무한 개념을 통해 설명했다는 사실에 집중하려 한다. 다시 말해, 리글의 이론에서 예술사학의 영역은 가장 작은 ‘미립자적 무한’과 가장 넓은 ‘관계적 무한’ 사이의 긴장관계에 작가가 조형적으로 개입하는 계기가 드러나는 모든 실증될 수 있는 공간으로 정의될 수 있다. Aloïs Riegl of the Vienna School has been often hailed as a scholar who established and solidified the most comprehensive and systematic foundation of Art History. Riegl famously upheld a major theoretical principle, namely that of Kunstwollen. Kunstwollen can be defined as the expression of the demands specific to the conditions of a particular period of civilization. One of the main reasons for the lack of clarity lies in the difficulties of locating the material boundaries of art historical research. In Riegl’s theory, the boundaries of art history contains objects of historical significance whose discovery and empirical understanding change both horizontally and vertically the internal dynamics of the field. Thus, seeking a more concrete description of the boundaries will lead to a more concrete definition of Kunstwollen. This article will first focus on the two types of infinity Riegl introduces to explain the scope of his art historical research, namely the infinity at the smallest, atomic level at one end, and at the other, the infinity in its largest, relational sense. Then the focus will shift to the very specific concept of space that Riegl propounds to explain the continuity between the two infinities.
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