• Bulletin of the Korean Chemical Society
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• v.11 no.6
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• pp.564-567
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• 1990

A lithiated compound $Li_{0.1}Pr^{3+}Ba_2Cu_3O_y$ has been successfully prepared by electrochemical method, which is achieved with a two electrode cell of the type: Metal(Li)/($Li^+\;,\;ClO_4^-$) + propylene carbonate/$PrBa_2Cu_3O_y$. All Pr ions in the lithiated compound are stabilized with a trivalent state as the other rare earths (Ⅲ) substituted in the 90K superconductor lattice ($Y_{1-x}Ln_x^-Ba_2Cu_3O_{7-{\delta}}$). Powder X-ray diffraction analysis shows that both compounds, $PrBa_2Cu_3O_y$ and $Li_{0.1}PrBa_2Cu_3O_y$ are isostructural with the 90 K superconductor, ($YBa_2Cu_3O_{7-{\delta}}$), nevertheless both of them are non-metallic and also non-superconducting down to 10 K. Magnetic susceptibility ${\chi}$ vs. temperature data indicate that Curie contribution from the magnetic ions (Pr and Cu) is weakened on the one hand, but on the other hand temperature-independent part of susceptibility ${\chi}_o$ increases depending upon the rate of lithium intercalation in $PrBa_2Cu_3O_y$ lattice.

• The Transactions of the Korea Information Processing Society
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• v.6 no.2
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• pp.282-291
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• 1999

In order to construct the News Video Database System, cut detection technique is very important. In general, the color histogram, $\chi$2 histogram or Bin-to-Bin difference(B2B) techniques are mainly using for the scene partitioning. In this paper, we propose the efficient algorithm that is applied the weight in terms of NTSC standard to cut detection. This algorithm is able to reduce the time of acquiring and comparing histogram using by separate calculation of R, G, and B for the color histogram technique. And it also provide the efficient selection method fo threshold value by and use the news videos of KBS, MBC, SBS, CNN and NHK as experimental domains. By the result of experiment, we present the proposed algorithm is more efficient for cut detection than the previous methods, and that the basis for the automatic selection of threshold values.

• Journal of Oriental Neuropsychiatry
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• v.3 no.1
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• pp.3-24
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• 1992

This paper is aimed at finding out the clue to the medical solution to the pathological phenomena of the dehumanizing and demoralizing state of our society by centering around the Chiljeong that originates from Oriental Medicine, Sung Confucianism and Sa-sang Medicine(四象醫學). In these fields,the Chiljeong is based on the theory of Eum-yang and Viscera(陰陽.臟腑論) in Oriental Medicine, on the problems of good and evil in Sung Cunfucianism and on the theory of Sa-sang Visceral Localization(四象.臟局의 理論) in Sa-sang Medicine. The principles of geneation of Chiljeong : In case of Oriental Medicine, Sin(神) controls Chiljeong and of it is stored in five Viscera, it becomes Sin in the Heart, Hon(魂) in the Liver, Sa(思) in the Spleen, Bed-Woo(悲.憂) in the Lung, and Kyeong-Kong(驚.恐) in the Kidney. Then five Viscera react with outer stimuli or Sin, it gives off Chiljeong as Joy(from the Heart), Anger(from the Liver). Thought (from the Spleen), Anxiety and Sorrow(from the Lung) and Surprise and Fear(from the Kidney) In Sung Confucianism, Sim(心) comtrols Seong-jeong(性.情), and at the moment of that Sim gives off Jeong(情), it becomes good when the Li(理) gibes off itself and then Chi(氣) follows Li, or Chi gives off itself and is regulated optimally, out it becomes evil when Li cannot preside over Chi and then shaded by cloudy Chi. The pathology: If the Chiljeong exceeds one's capacity, the corresponding Vicsera will be damaged, and the Passions(喜.怒.哀.樂) that may harm to four types of constitution severly are the Joy and Pleasure(in Tae-eum-in 太陰人 and So-eum-in 少陰人) and Grief and Anger(in Tae-yang-in 太陽人 and So-yang-in 少陽人), so one should be alert on some passions by regrding his constitutional frailty. More over, because of the variations in Sa-sang Visceral Localyzatin there is various ability in human affairs, but as the clumsiness in human affairs may make him hurt by it, so one should be prevented from these passions and human affairs, that is flowing Joy and Participations(黨與) in Tae-yang-in, flowing Pleasure and Dwelings(居處) in So-yang-in, explosive Anger and Companies(交遇) in So-eum-in, explosive Grief and Affairs(事務) in Tae-eum-in. How to clutivate the human nature: The ulitmate purpose in Oriental Medicine is preserving Cheon-Jin(天眞), that is following the Tao(道) by making him be in harmony with the Chi(氣) of the Seasons and by living a simple life. In Sung Confucianism, the way preventing the lustful desire and preserving Cheon-li(天理) is to observate derectly the calm, original place of human nature with reverence, when Sim has nat given off itself yet, and when Sim has already given off, it also is to meditating on one's passion and thought that the principle of good should be researched on or the evil should be cut off according to it's being good or evil. Such like as these various aspects of research on the Chiljeong it will be helpful in understanding human nature by producing the various materials on it, moreover, by doing so, we can lead out appropriate solution on the confusions of judgement value and demoralization.

• The Journal of Dong Guk Oriental Medicine
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• v.6 no.1
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• pp.129-136
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• 1997

We inquired into tile origins, pathologies, theraphies and prescriptions of Jungpung(中風) especially on the ground of Keokchiyeron(格致餘論) Dangeosimbub(丹溪心法) written by JuJinHyoung(朱震亨) as medical books, from this study we could get that conclusions. 1. According to special feature of the theroies of JuJinHyoung's(朱震亨) Jungpung(中風) he thought pathologies of Jungpung(中風) as "sub seong dam dam seong yeol yeol seong pung 濕生痰痰生熱 熱生風" through studying stress on regional characteristics and thought much of dam(痰) as one of major elements of internal causes. 2. He suggested chi-dam(治痰) in the first place in the treatment of Jungpung(中風) and emphasises the treatment using Succus Pyllostachyos(竹瀝), waterly extracted Rhizoma Zingiberis(薑汁) in that they had the virtues of sodam-ganghwa(消痰降火), geo-gyeongrak(開經絡), haeng-heolgi(行血氣) 3. He treated differently whether a man in fat and thin, and have right or left hemiplegia, but he prescribed herb-medications on the principle that that medications should have the virtues of chi-dam(治淡).

• Proceedings of the Korean Vacuum Society Conference
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• 2016.02a
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• pp.247.2-247.2
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• 2016

산업 발달에 따라 여러 유해 가스들의 양이 많아지고 그 종류가 다양해지고 있다. 이에 따라 가스센서의 필요성도 더욱 증가 하였고, 이러한 변화에 대응하기 위해 기존 가스 센서로 이용되던 $SnO_2$나 ZnO보다 더 나은 화학정 안정성과 내구성을 얻고자 2D $MoO_3$ 박막의 대면적 합성을 연구를 진행하였다. 기존 $MoO_3$ 합성에 사용되던 Pyrolysis 방식이 아닌, 플라즈마 화학기상증착법(PECVD)을 이용해 공정과정을 단순화시켜 센서 수율 증대를 목표로 하였다. E-beam avaporator을 이용해 Mo 금속 박막을 $SnO_2$ 기판 위에 증착시킨 후 $O_2$ 플라즈마를 이용한 Implantation 방식으로 박막을 합성하였고, 라만 분광법, X-ray 광전자 분광법(XPS)을 통해 $MoO_3$ 박막이 nm단위로 합성된 것을 확인하였다. 이를 바탕으로 $MoO_3$ 박막을 2D 가스센서의 소재로 적용하는 것이 가능할 것이라고 예상된다.

• Journal of Microbiology
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• v.33 no.2
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• pp.95-102
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• 1995

A probability identification matrix of acidophilic Streptomyces was constructed. The phenetic data of the strains were derived from numerical classification described by Seong et al. The minimum number of diagnostic characters was determined using computer programs for calculation of different separation indices. The resulting matrix consisted of 25 clusters versus 53 characters. Theoretical evaluation of this matrix was achieved by estimating the chuster overlap and the identification scores for the Hypothetical Median Organisms (HMO) and for the representatives of each cluster. Cluster overlap was found to be relatively small. Identification scores for the HMO and the randomly selected representatives of each cluster were satisfactory. The matrix was assessed practically by applying the matrix to the identification of unknown isolates. Of the unknown isolates, 71.9% were clearly identified to one of eight clusters. The numerical classification data was also used to design a selective isolation medium for antibiotic-producing organisms. Four chemical substances including 2 antibiotics were determined by the DLACHAR program as diagnostic for the isolation of target organisms which have antimicrobial activity against Micrococcus luteus. It was possible to detect the increased rate of selective isolation on the synthesized medium. Theresults show that the numerical phenetic data can be applied to a variety of purposes, such as construction of identification matrix and selective isolation medium for acidophilic antinomycetes.

• Journal of Species Research
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• v.6 no.1
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• pp.25-41
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• 2017

As a subset study for the collection of Korean indigenous prokaryotic species, 62 bacterial strains belonging to the phylum Actinobacteria were isolated from various sources. Each strain showed higher 16S rRNA gene sequence similarity (>98.75%) and formed a robust phylogenetic clade with closest species of the phylum Actinobacteria which were defined with valid names, already. There is no official description on these 62 actinobacterial species in Korea. Consequently, unrecorded 62 species of 25 genera in the 14 families belonging to the order Actinomycetales of the phylum Actinobacteria were found in Korea. Morphological properties, basic biochemical characteristics, isolation source and strain IDs are described in the species descriptions.

• Journal of Species Research
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• v.7 no.2
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• pp.123-134
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• 2018

A total of 22 bacterial strains belonging to the phylum Bacteroidetes were isolated primarily from aquatic environments such as seawater, freshwater, lagoon and tidal flat. One of these 22 strains was isolated from ginseng soil. Phylogenetic analyses based on 16S rRNA gene sequences revealed that 21 strains showed the high sequence similarities(${\geq}98.7%$) to the closest type strains and formed robust phylogenetic clades with closely related species in the phylum Bacteroidetes. One strain, which had been previously classified as Balneola vulgaris in the phylum Bacteroidetes, was identified as a member of the newly described phylum Rhodothermaeota. These strains had not been previously reported in Korea. Here, we report 21 species of 13 genera in the phylum Bacteroidetes and one species in the phylum Rhodothermaeota which were not reported in Korea. Morphological, biochemical, and physiological characteristics, isolation sources, and NIBR deposit numbers are described in the species descriptions.

• Journal of Microbiology
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• v.45 no.1
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• pp.6-10
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• 2007

Culture broth of a streptomycete isolate, Streptomyces sp. CS684 showed antibacterial activity on methicilin resistant Staphylococcus aureus (MRSA) and vancomycin resistant enterococci (VRE). Among purified substances from the organism, CSU-1, which is active against MRSA and VRE, is a $C_{37}H_{62}O_{12}Na\;(M^+,721.3875)$, and identified as laidlomycin. The anti-MRSA and anti-VRE activity of CSU-1 was stronger than oxacillin and vancomycin. Phylogenetic analysis showed that strain CS684 is very similar to Streptomyces ardus NRRL $2817^T$, whereas the ability of Streptomyces sp. CS684 to produce laidlomycin was shown to be unique.

• Journal of Species Research
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• v.8 no.1
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• pp.97-108
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• 2019

For the collection of indigenous prokaryotic species in Korea, 35 strains within the class Actinobacteria were isolated from various environmental samples (animals and clinical specimens) in 2017. Each strain showed high 16S rRNA gene sequence similarity (>98.8%) and formed a robust clade with recognized actinobacterial species. The isolates were assigned to 35 species, 22 genera, 15 families, and 8 orders of the class Actinobacteria. There are no official descriptions of these 35 bacterial species in Korea. Morphological properties, basic biochemical characteristics, isolation source, and strain IDs are included in the species descriptions.