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金會永 대구효성가톨릭대학교 1988 연구논문집 Vol.37 No.1
Avant-grade composers are researching anew and are differentating a range of creative music through various field facing each other in contemporary society. If we think from the viewpoint of "Playing and Understanding Contemporary Music" some performers who play contemporary music are interested in avant -grade music In the case of playing as of they do not understand the meaning of the music, and also some performers seem to dislike the avant-grade music. In the case of playing as if they do not understand the meaning of the music, this is mostly caused by defects of avant-grade composers. We think that composition of contemporary music is difficult, because of the creative work required the metaphysical technique of atonal and 12-tone, and the requirements of technique which make not a plater(plating without meaning thought ect.) but a performer(plating with image, thought, feeling etc.) that's the responsibility of composers, and composing music without thought(ideology) is meaningless creation In curious field of contemporary music, that instrument is the machine, of course, <Ensembles for Synthesizer> 1964 of Milton Babbitt and <Gesang der Junglinge Deustche Grammophone DG 138811> of Karlheinz Stockhausen are exceprions. As avant-grade composers could create a new style, it is a significantly different work among Bartok, Stravinsky and the other avant-grade composers including myself. Brotok and stravinsky's musical styles were seemingly related to folk idioms in the first half of the twentieth century, but my avant-grade style is related to and employs the text of the traditional Oriental painting abd its idioms utilize them to create new styles The Four Gracious Plants was representative of sense equilivrium of paintings and plastic art (a conception of the key center is gradually weak and the traditional key center breakdown so that the paintings can be explained by the equally significant keynote sound of the 12-tone or atonal). according to this theory, we can realize the meaning of 12-tone method or atonal technique in creative composition of the avant-garde century. As we understand the meaning of the avant-grade music, the proposed woodwind Quintet is created, to be composed on the philosophical thought of the oriental painting, the Four Gracious(Plum, orchid, chrysantthemum, and bamboo). it is not the repeating of old-fashioned wording, but different dimensional art that thoroughly studies perfection and passes on this creation to one’s descendants. hance, we can accept uprightly this creation’s meaning. In my point of view, creating over thought and ideology is a perfect realization of meaning, so that the painting appears in its original beauty of meaning, and that’s the music that the true contemporary(avant-grade) requires. In creative composing, composers of contemporary music always have a feeling and change so that they adapt to the contemporary. therefore, continuously, the viewpoint of oriental thought and may contribute to the fluency of artistic civilization.
거친 표면을 가진 흡수체와 버퍼의 측면에 의한 극자외선 산란효과
권영근,심상진,김종회,김옥경,오혜근 한양대학교 이학기술연구소 2003 이학기술연구지 Vol.6 No.-
마스크 상의 거친 표면을 정의하기 위해서 Monte-Carlo 방법이 적용되었다. 극자외선 마스크의 거친 표면 함수, 즉 power spectral density 에 의해 표현된 무작위적인 표면의 높이 변화는 상면에서의 전기장을 계산하기 위해서 재정의 되었다. Feynmann의 접근 방식과 유사한 산란에 대한 일반식을 유도하였고, 이는 결상과정에서 마스크의 단차상의 거친 측면에 의한 효과를 알아보기 위해서 적용되어졌다. 거친 표면과 완전히 편평한 표면에 대한 전기장의 위상과 진폭 변화 정도를 비교하기 위해서 다중 산람 문제 또한 여러 다른 패턴에 대하여 이 논문에서 다뤄졌다. The Monte-Carlo Method is adopted to define the roughness of the mask structure. A random surface height variation described by power spectral density for the rough surfaces of an estreme ultraviolet (EUV) mask is to be redefined to calculate the field in the image plane. A general explicit formula of the scattering, which is analogous to Feynman's approach, is derived, and it is adapted to the EUV mask structure to evaluate the effect of the surface roughness of the side wall of the mask topography on the image formation. The multiple random scattering problems are dealt with the different pattern types in order to compare field variations in phase and amplitude with the ideal flat surface.
Yeong Joon Kim(Yeong Joon Kim),Chang Hoi Kim(Chang Hoi Kim),Jooyeon Kim(Jooyeon Kim),Gilsoon Choi(Gilsoon Choi),Yeong Wook Jeong(Yeong Wook Jeong),Jaehwan Kwon(Jaehwan Kwon) 대한미용의학회 2022 대한미용의학회지 Vol.6 No.2
Background: Data on structural modifications caused by septal deviation may help otolaryngologists make informed decisions on the inclusion of turbinate surgery with septoplasty as well as identify the part of the inferior turbinate that requires more attention during surgery. Objective: This study aimed to compare the dimensions of the ipsilateral and contralateral sides of the inferior turbinate and the septal deviation in a Korean population. Methods: We retrospectively analyzed the facial computed tomography (CT) scans of 111 patients who underwent septoplasty between January 2012 and December 2017 for the anterior, posterior, and maximally deviated sites of the inferior turbinate. Results: Statistical analyses revealed differences in the medial mucosa and the total thickness of the anterior and maximally deviated sites between the ipsilateral and contralateral sides. The medial mucosal portion of the anterior site was 4.64±2.12 mm on the contralateral side and 4.14±1.75 mm on the ipsilateral side (p=0.03). The total thickness of the anterior site was 9.72±4.25 mm on the contralateral side and 8.58±3.36 mm on the ipsilateral side (p=0.02). The medial mucosal portion of the maximally deviated site was 5.09±2.52 mm on the contralateral side and 4.39±2.05 mm on the ipsilateral side (p=0.04). The total thickness of the maximally deviated site was 9.58±4.06 mm on the contralateral side and 8.81±3.50 mm on the ipsilateral side (p=0.04). No significant differences were found in the measurements between the two sides of the posterior site or in the bone thickness at any of the sites. The inferior turbinate did not show any significant relationship with the deviation angle. Conclusion: A conservative submucosal turbinoplasty without bone removal may be favorable. Level of Evidence: Level IV
Kim, Jin Yeong,Jin, Mingshi,Lee, Kyung Joo,Cheon, Jae Yeong,Joo, Sang Hoon,Kim, Ji Man,Moon, Hoi Ri Springer 2012 NANOSCALE RESEARCH LETTERS Vol.7 No.1
<P>The preparation of redox-active metal-organic framework (<I>ra</I>-MOF)-supported Pd nanoparticles (NPs) via the redox couple-driven method is reported, which can yield unprotected metallic NPs at room temperature within 10 min without the use of reducing agents. The Pd@<I>ra</I>-MOF has been exploited as a precursor of an active catalyst for CO oxidation. Under the CO oxidation reaction condition, Pd@<I>ra</I>-MOF is transformed into a PdO<SUB><I>x</I></SUB>-NiO<SUB><I>y</I></SUB>/C nanocomposite to generate catalytically active species <I>in situ</I>, and the resultant nanocatalyst shows sustainable activity through synergistic stabilization.</P>
( Yeong-su Park ),( Su-nam Park ),( Jae-hoi Gu ),( Yong-taek Lim ) 한국폐기물자원순환학회(구 한국폐기물학회) 2019 ISSE 초록집 Vol.2019 No.-
A number of gasification technologies of waste are proposed as an alternative technology to conventional Waste-to-Energy plants. Waste-to-Energy plants based on gasification are high efficiency power plants. The waste gasification process converts waste to a usable synthesis gas, or syngas which contains carbon monoxide, hydrogen and methane. The syngas can be turned into heat, electricity, chemicals, and even transportation fuels. The composition and performance of syngas formed during solid refuse fuel(SRF) gasification depend on the type of SRF, equivalence ratio(ER), operating temperature, operating pressure, the type of oxidants and waste residence time. Recently, many studies have been conducted to predict process variables and performance using data mining techniques in industrial plant system. The present study aimed to develop estimation model of syngas composition. This preliminary study investigated data mining-based methods to assess and predict the concentrations of hydrogen and carbon monoxide in syngas of SRF gasification in a downdraft gasifier with a two-stage air supply. The effect of operating temperature is a key to syngas composition during SRF gasification. Then, the operating temperature was used as variable of the syngas composition estimation model. As a result, the case of hydrogen was shown more reasonable estimation results than carbon monoxide.
( Yeong-su Park ),( Ho-jin Sung ),( Young-sik Yoon ),( Sung-bang Nam ),( Jae-hoi Gu ),( Jang-kun Lee ),( Il-byoung Choi ),( Jong Hyeog Oh ),( Dong-hyun Song ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
In the gasification process, the composition of the syngas and its heating value are influenced by the gasifying agents. The gasifying agent can be air, oxygen, oxygen enriched air or steam. A preliminary study on oxygen-enriched gasification of fluff solid refuse fuel(SRF) was carried out in a bench-scale downdraft type fixed bed reactor. The purpose of this study is bring into focus the influence of the oxygen concentration in the gasifying agent on the gasification performance such as syngas heating value, carbon conversion and cold gas efficiency by the bench-scale fixed bed reactor.