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반구대 천전리암각화발견 40주년 기념 특집 : 천전리 암각화 동물형상의 도상학적 의미와 양상
김은선 ( Eun Sun Kim ) 한국불교미술사학회(한국미술사연구소) 2011 강좌미술사 Vol.36 No.-
우리나라 선사시대 암각화 중 두 번째로 규모가 크고 중요한 것은 울주군 두동면에 있는 천전리 암각화이다. 천전리 암각화는 적어도 네 번에 걸쳐서 조성되었는데, 그 중 가장 이른시기에 조성된 것은 바위면 상단 서쪽에 집중적으로 남아 있는 것은 동물형상이다. 이들은 대부분 사슴형상으로 풍요와 생산을 상징하는 선사 예술의 대표적인 주제이다. 기법적 특징은 작은 점을 반복적으로 쪼아서 윤곽과 몸체를 얕게 음각하는 기법을 사용하였다. 도상적 특징은 무리를 이루고 있는데, 그 중 암컷과 수컷이 마주보고 있는 형상이다. 평면에 측면향으로 쪼았지만 발굽을 꺽고 양 뿔을 빗겨 조각하여 입체감을 부여하였다. 양식적 특징은 뿔과 다리를 포함한 胴體를 세장하게 표현하였는데, 다리사이의 간격이 일정하고 도식적이며 신체도 직선적이다. 기술면에서 대곡리 암각화보다 단순하고 능숙하지는 못하지만 그보다 앞선 시대의 양식을 대표하고 있다. 천전리 암각화 동물형상은 중앙아시아의 암각화와 비교 가능하다. 러시아 하카스코 미누신스크분지의 쉬쉬카 암각화와 카라수크문화의 동물형상, 몽골 서북부 알타이 지역의 암각화, 투바공화국의 헤르비스나 샨치크 등의 사슴 형상과 유사하다. 특히 측면향, 세장하고 직선적인 신체표현, 긴 동체를 맞대고 있는 점, 암수가 마주보고 있는 형상, 무리를 지고 있는 모습 둥은 매우 비슷하다. 따라서 천전리 동물형상의 모티브는 시베리아, 몽골, 북중국 등에서 선행하였지만 한국화되어 정착되었다고 할 수 있다. Cheonjeon-ni petroglyph is the second largest and significant figures in the South Korean bronge age. My research is focused on the analysis of animal figures such as deer, animals with long main body it has carved in the rock. These are typical subjects of prehistoric art to which the majority of richness and production are symbolized by the deer shape. A technique feature used the shallow intaglio of the outline and the main body repeatedly poking a small point. The iconic representation is shape that the female is opposite to the male though it crowds on the way. It is constant for the leg, horn antler, and the body straight line though cultivated feature expressed a main body long in which the corner and the leg are contained in minute length. The ages are earlier than Daegok-ni petroglyph they though it doesn`t excel rock art in the technical side. Cheonjeon-ni zoomorphic can be compared with the petroglyph of Central Asia. It looks like the deer shape such as Minusinsk of the rock painting in Russia, and zoomorphic Mongolian northwest part Altai region and the Herbisna of Tuva Autonomous Republic. Therefore, a motif the Cheonjeon-ni zoomorphic petroglyph was able to be established though came from Siberia, Mongolia, and north China, etc. by the change to South Korea.
액체급냉법에 의해 제조한 비정질 Co-Nb-B 합금의 전기화학적 부식 특성
김은선 ( Eun Sun Kim ),김현구 ( Hyun Goo Kim ),장희진 ( Hee Jin Jang ) 한국부식방식학회(구 한국부식학회) 2014 Corrosion Science and Technology Vol.13 No.4
This study was undertaken to examine the electrochemical corrosion properties of an Co80Nb10B10 and Co82Nb8B10 amorphous alloys prepared by melt-spinning method under various conditions. The potentiodynamic polarization responses at various levels of pH (pH 2. pH 7, pH 12) showed that the corrosion current rate of Co80Nb10B10 alloy is lower than that of CO82Nbx8B10 alloy in all levels of pH, implying the general corrosion resistance of the alloy with higher Nb content is better than that with higher Co content. The pining potential of Co80Nb10BIO alloy was also better than that of CO82Nb8B10, evidenced by the higher pitting potential. Nb is thought to be effective in increasing the protectiveness of the passive film and hence 10 improve the corrosion resistance of Co-Nb-B alloys.
김은선 ( Eun Sun Kim ) 대한주산의학회 2013 Perinatology Vol.24 No.4
Infectious complications such as necrotizing enterocolitis (NEC) or neonatal sepsis are main causes of mortality and disability in very low birth weight infants (VLBWIs). Because preterm infants are exposed to too unfavorable environment to promote appropriate intestinal colonization, pathologic organisms can easily colonize and host defense systems are also down-regulated in preterm gut, causing infectious complications such as NEC. To promote appropriate intestinal microbiota, probiotics have been studied for potential benefits by increasing mucosal barrier function, reducing intestinal pathogens, up-regulating immune system balancing inflammation. Large randomized controlled trials have shown favorable effects of probiotics on preterm NEC and mortality. Meta-analysis of clinical trials showed consistent evidence of probiotics uses in preterm infants. However, adequate type, dose, timing, and duration of probiotics have not been standardized for clinical applications. Inaddition, other interventions promoting preterm intestinal micobiota and immunity, such as prebiotics or lactoferrin, are on studies in combination with probiotics. More clinical trials should be added for the evidence based clinical use of probiotics in preterm infants.
공간 능력을 활성화하는 과학 활동이 초등학생의 공간 능력과 창의성에 미치는 효과
김은선 ( Eun Sun Kim ),권영식 ( Young Sik Kwon ),이길재 ( Kii Jae Lee ) 한국초등과학교육학회 2011 초등과학교육 Vol.30 No.2
This study was to find the effects of science activity activating spatial ability on spatial ability and creativity of the elementary school students. The survey was conducted with 30 second grade students in one class of "J" elementary school located in "C" City, Chungcheong-bukdo province. The students were taught with the program of science activity activating the spatial ability. According to the result, the science activity had significantly influence on the improvement of spatial ability of the elementary school students. It had also significantly influence on the improvement of spatial relationship ability. The science activity was also effective in the improvement of creativity, and especially in the subdomain of originality and sensitiveness. The students who has right brain preference showed much more improvement in the spatial ability compared to left brain preference students after science activity class. However there is no difference between the students who had the right brain preference and left brain preference in the creativity.
AOP를 이용한 신뢰성 있는 서비스 어플리케이션의 SOA 기반 프레임워크
김은선(Eun-Sun Kim),이재정(Jae-Jeong Lee),이병정(Byung-Jeong Lee) 한국IT서비스학회 2011 한국IT서비스학회지 Vol.10 No.2
Loosely coupled properties of SOA(Service Oriented Architecture) services do not guarantee that service applications always work properly. Service errors may also influence other services of SOA. These characteristics adversely affect software reliability. Therefore, it is a challenge to effectively manage system change and errors for operating services normally. In this study, we propose a SOA based framework using AOP(Aspect Oriented Programming) for reliable service applications, AOP provides a way to manipulate cross-cutting concerns such as logging, security and reliability and these concerns can be added to applications through weaving process. We define a service specification and an aspect specification for this framework. This framework also includes service provider, requester, repository, platform, manager, and aspect weaver to handle changes and exceptions of applications. Independent Exception Handler is stored to exhibited external Aspect Service Repository. When exception happened, Exception Handler is linked dynamically according to aspect rule that is defined in aspect specification and offer function that handle exception alternate suitable service in systematic error situation. By separating cross-cutting concerns independently, we expect that developer can concentrate on core service implementation and reusability, understanding, maintainability increase. Finally, we have implemented a prototype system to demonstrate the feasibility of our framework in case study.