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韓國産 Burley 담배精油의 重要微量香氣成分에 관한 硏究
金容承 건국대학교 1984 論文集 Vol.19 No.1
Displaying a strong characteristic floral, playing an important part in aroma, Damascenone relative components are thought to be KEY AROMA COMPONENTS in Essential Oil. It were contained β-Damascenone 0.34%, β-Ionone epoxide 0.21%, Solanone 1.98%, and four isomers of Megastigmatrienone 4.90%, as the aroma substances of the minor components in the essential oil of Korean Burley Tobacco. As a result of this investigation of components of the essential oil, more volatile components in the essential oil have been identified and determined by Gas Chromatography/Mass Spectrometer with the fused sillica capillary WCOT column. Player and fragrance aroma is presumed to be derived from the sum of many those components and many more which lave not yet been identified. As a flavor and flagrance, those components will be influenced to displaying aroma with a valuable and an important factor. This results of this work, the corelation of the composition and the content ratio of each components of the essential oil will be contributed to survey the path way of aroma formation and displaying. And also this will be contributed to study and evaluate the correlation between burly tobacco quality and production conditions.
金龍昇 忠州大學校 1987 한국교통대학교 논문집 Vol.21 No.-
The requirement for using the computer in information research by Music Information has ever been increased since the appearance of computer system. Music Information system that used in this paper is Retrieval System for Music Records Catalogue and, is designed the Data Base System using IMAGE/3000 DBMS and retrieval system using QUERY/3000,both provided by HP-3000 Computer System. A user will be able to retrieve the required information in the Data Base using QUERY/3000 retrieval system easily without making the application program. But QUERY/3000 retrieval system is not satisfied with report form that user wants. Therefore, in order to be satisfied with report form that user wants, it is necessary to manage retrieval system with making the application program.
Magnetic Anisotropy and ac Susceptibility of (Ga,Mn)As
김용승,천승현,최형국,Jungbum Yoon,정명화,S.K. Jerng,박윤,조영훈,김정구 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
We studied the interplay of the biaxial and the uniaxial contributions to the in-plane magnetic anisotropy of (Ga,Mn)As epilayers through comprehensive dc and ac magnetic susceptibility measurements. Detailed information about the magnetic anisotropy was obtained from hysteresis curves recorded for various crystal orientations and from the temperature dependence of the magnetization. The measured orientations were the [110], [$-$110], and [100] directions. Ac susceptibility measurements were also conducted for these directions. We argue that the peaks in the real and the imaginary parts of the ac susceptibility cannot be explained within the single-domain spin-reorientation model.
Petri Ner의 Queueing Theory 적용에 관한 연구
金龍昇 忠州大學校 1988 한국교통대학교 논문집 Vol.22 No.-
This study is to represent Queueing Theory which is a phenomenon between the Customer and the Server as Queueing Model, to transform this model into Petri Net Model, and to analyze the transformed Petri Net Model using a matrix equation.
김용승,이현선 대한건축학회 2006 대한건축학회논문집 Vol.22 No.4
The study aims to find out some fundamental design strategies in terms of the formal composition of Korean museums. It is defined that compositional elements are mass units, which are very much related to the space program of a museum. A museum building is combined with a mass or several mass units in different ways. It is suggested that the way how to combine is closely related with the space program. The space program reflects on the social role of the museum of that time. In this respect, the paper tries to understand the relationship between the mass composition and the space program in order to define the formal characteristics of contemporary Korean museum architecture. In considering the whole composition of a museum building, 3 different types can be found. It can be said that each composition type shows intrinsic characteristics of the time when it was built.
김용승,박윤,H.K. Choi,I.T. Jeong,J.C. Woo,J.S. Lee,김기훈,S.H. Chun,오윤석,Z.G. Khim 한국물리학회 2005 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.47 No.1
We report on an investigation of the applicability of the skew scattering model for the anomalous Hall Effect in (Ga,Mn)As prepared using low-temperature molecular beam epitaxy. Specifically, we study the relationship between the Hall resistivity (xy) and the longitudinal resistivity (xx) fordiffering Mn concentrations incorporated into the IIIGa site. The growth conditions for single-phase (Ga,Mn)As were carefully determined by using in-situ reflection high-energy electron diffraction, exsitu high-resolution X-ray diffraction, superconducting quantum interference device magnetometry,and magneto-transport measurements. After the growth of (Ga,Mn)As with values of TC ranging from 60 to 100 K, the samples were annealed in an inert atmosphere, with the resulting values of TC ranging from 80 to 130 K as measured indirectly from transport measurements and from Hall measurements. From the Hall measurements, we found that the anomalous Hall coefficient to scaled linearly with the resistivity for various ranges of Mn contents in which we could rule out the co-existence of secondary precipitates. We report on an investigation of the applicability of the skew scattering model for the anomalous Hall Effect in (Ga,Mn)As prepared using low-temperature molecular beam epitaxy. Specifically, we study the relationship between the Hall resistivity (xy) and the longitudinal resistivity (xx) for differing Mn concentrations incorporated into the IIIGa site. The growth conditions for single-phase (Ga,Mn)As were carefully determined by using in-situ reflection high-energy electron diffraction, exsitu high-resolution X-ray diffraction, superconducting quantum interference device magnetometry, and magneto-transport measurements. After the growth of (Ga,Mn)As with values of TC ranging from 60 to 100 K, the samples were annealed in an inert atmosphere, with the resulting values of TC ranging from 80 to 130 K as measured indirectly from transport measurements and from Hall measurements. From the Hall measurements, we found that the anomalous Hall coefficient to scaled linearly with the resistivity for various ranges of Mn contents in which we could rule out the co-existence of secondary precipitates.