• Title/Summary/Keyword: similar components

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Analysis of the Composition of Biochemical Components in Unossified Antlers (꽃사슴 녹용(鹿茸)의 생화학적성분(生化學的成分)의 조성(組成) 및 함량(含量))

  • Lim, Soon-Sung;Chung, Ha-Sook;Baek, In-Bum;Shin, Kuk-Hyun
    • Korean Journal of Pharmacognosy
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    • v.30 no.3
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    • pp.314-319
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    • 1999
  • The composition of biochemical components such as lipids, proteins and their amino acid components and inorganic elements in the ashes in unossified antlers from Cervus nippon Temminck var. mantchuricus grown in Korea were analyzed to obtain fundamental data for quality control. As a result, it was found that total lipids were 20.75% which was approximately similar contents with those of proteins (21.8%). Sixteen amino acids were identified from the hydrolysate of the protein fraction. Three gangliosides with very similar TLC patterns of those such as $GM_3$, $GM_1$ and $GM_{1a}$ were identified from the water soluble layer of Folch's partitions. Ash contents were revelaed to be much higher in the sponge layer (40.0%) than in the velvet layer (3.7%).

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An Extended Faceted Classification Scheme and Hybrid Retrieval Model to Support Software Reuse (소프트웨어 재사용을 지원하는 확장된 패싯 분류 방식과 혼합형 검색 모델)

  • Gang, Mun-Seol;Kim, Byeong-Gi
    • The Transactions of the Korea Information Processing Society
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    • v.1 no.1
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    • pp.23-37
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    • 1994
  • In this paper, we design and implement the prototype system, and propose the Extended Faceted Classification. Scheme and the Hybrid Retrieval Method that support classifying the software components, storing in library, and efficient retrieval according to user's request. In order to designs the classification scheme, we identify several necessary items by analyzing basic classes of software components that are to be classified. Then, we classify the items by their characteristics, decide the facets, and compose the component descriptors. According to their basic characteristics, we store software components in the library by clustering their application domains and are assign weights to the facets and its items to describe the component characteristics. In order to retrieve the software components, we use the retrieval-by-query model, and the weights and similarity for easy retrieval of similar software components. As the result of applying proposed classification scheme and retrieval model, we can easily identify similar components and the process of classification become simple. Also, the construction of queries becomes simple, the control of the size and order of the components to be retrieved possible, and the retrieval effectiveness is improved.

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Physicochemical effects of different processing temperatures on 5-hydroxymethyl-2-furaldehyde and the volatile flavor of domestic honey

  • Suk-Ho, Choi;Myoung Soo, Nam
    • Korean Journal of Agricultural Science
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    • v.48 no.4
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    • pp.899-910
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    • 2021
  • This study was performed to suggest concentration methods leading to the production ofhoney with an excellent flavor by examining the effects of the concentration temperature and method on changes in 5-hydroxymethyl-2-furaldehyde (5-HMF) levels and the flavor components of honey. The 5-HMF contents of honey samples concentrated in a tray concentrator at 45, 50, 60, and 70℃ were 2.1, 2.3, 2.5, and 3.1 mg·kg-1, respectively, demonstrating that the 5-HMF contents increased as the concentration temperatures were increased. The honey vacuum-concentrated at 70℃ showed a higher 5-HMF content than that at 60℃, similar to the tray-concentrated honey at different temperatures. The main and other minor flavor components of the honey were volatilized and significantly reduced after vacuum concentration. In the tray concentration, all of the honey samples concentrated at 40, 50, 60, and 70℃ showed flavor component patterns similar to each other, and most of the main and other minor flavor components in the honey were volatilized and significantly reduced after tray concentration. As such, most of the main and other minor flavor components of the honey were mostly removed at 70℃ after both the vacuum concentration and tray concentration processes. The effects of the concentration method and temperature on the viscosity, 5-HMF level, and flavor components of the honey were found to be significant in this study. Given that the components of honey were shown to undergo significant physicochemical changes depending on the concentration method used and temperature during laboratory-scale production, the concentration methods devised in this study can be applied industrially.

A Study on the Deposition Amount of Water-soluble Ionic Components in Dustfall in Kwangju City (광주시 강하분진중 수용성 이온성분의 강하량에 관한 연구)

  • 신대윤;조선희;문옥란;임철수;강공언
    • Journal of Environmental Health Sciences
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    • v.22 no.2
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    • pp.124-129
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    • 1996
  • In order to investigate the deposition chara.cteristics of water-soluble ionic components in dustfall in Kwangju city, dustfall samples were collected by deposit jar for one year from December 1992 to November 1993. The depositjon amount of dustfall and water-soluble ionic components ($SO_4^{2-}, NO_3^-, Cl^-, NH_4^+, Na^+, Ca^{2+}, Mg^{2+}, K^+$) were measured. The total deposition amount of dustfall was 10.0 ton/$km^2$/month and showed seasonal trend of Summer and Spring > Fall and Winter. The total deposition amounts of water-soluble components showed 2.41 ton/$km^2$/month and seasonal trend of Summer > Fall > Spring > Winter. Deposition amount of $SO_4^{2-}$ was 0.99 ton/$km^2$/month which makes up 41% of water-soluble components. The deposition amounts of dustfall and watersoluble components according to the sampling points were approximately similar to each other. From this result, it can be estimated that the deposition amounts of dustfall and water-soluble components in dustfall were more influenced by the seasonal variation than the regional emission characteristics of pollution source. The content of each ionic component to the deposition amount of water-soluble components showed in order of $SO_4^{2-} > Cl^- > NH_4^+ > Na^+ > Ca^{2+} = K^+ > NO_3^- > Mg^{2+}$ respectively.

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Perceived Subjective Features of Software Components: Consumer Behavior in a Software Component Market

  • Lee, Jang-Hyuk;Hong, Se-Joon;Sawng, Yeong-Wha;Kim, Ju-Seong
    • ETRI Journal
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    • v.31 no.3
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    • pp.304-314
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    • 2009
  • Component-based software reuse has been generally regarded as a promising approach to improving software productivity and quality within software development. However, progress in component-based software reuse has been slower than expected. Much of the software reuse literature points to the lack of software components that can maximize users' benefits as the most important source of the slow progress. Considering that the underlying processes behind component-based software reuse are strikingly similar to commercial software marketing, this paper attempts to identify the aspects of software components that consumers value and to establish relationships between the identified aspects and consumer behavior in the software component market. More specifically, this paper focuses on the perceived subjective features of software components. This study was conducted in a web-based artificial market environment called "SofTrade."

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INFLUENCE OF HUMIC SUBSTANCE (HS) ADSORPTIVE FRACTIONATION ON PYRENE PARTITIONING TO DISSOLVED AND MINERAL-ASSOCIATED HS

  • Hur, Jin;Schlautman, Mark A.
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2003.09a
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    • pp.123-127
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    • 2003
  • Changes in pyrene partitioning due to mineral surface adsorptive fractionation processes of humic substances (HS) were examined in model environmental systems. For purified Aldrich humic acid(PAHA), carbon-normalized pyrene binding coefficients ( $K_{oc}$ ) for the residual (i.e., nonadsorbed and dissolved) PAHA components were different from the original dissolved PAHA $K_{oc}$ , value prior to contact with mineral suspensions. A positive correlation between the extent of pyrene binding and weight-average molecular weight (M $W_{w}$) of residual PAHA components was observed, which appeared to be unaffected by the specific mineral adsorbents use and fractionation mechanisms. A similar positive correlation was not observed with the adsorbed PAHA components, suggesting that conformational changes occurred for the mineral-associated components upon adsorption. Nonlinear pyrene sorption to mineral-associated PAHA was observed, and the degree of nonlinearity is hypothesized to be dependent on adsorptive fractionation effects and/or structural rearrangement of the adsorbed PAHA components.s.

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Salivary Components Adsorbing to Oral Mucosal Epithelial Cells (구강점막 상피세포에 부착하는 타액 성분)

  • Kho, Hong-Seop
    • Journal of Oral Medicine and Pain
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    • v.24 no.3
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    • pp.261-267
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    • 1999
  • The present investigation was carried out to identify salivary components of mucosal pellicle and to explore the difference of mucosal pellicle components according to the location of oral mucosa. By using antisera and immunoblotting, high-(MG1) and low-(MG2) molecular-mass salivary mucins, amylase, IgA, proline-rich proteins(PRPs) were detected in mucosal pellicle in vivo. In addition, the data indicated that mucins, IgA and proline-rich proteins could be cleaved into lower-molecular-mass products, whereas the IgA, proline-rich proteins could also be cross-linked into higher-molecular-mass complexes. Mucosal pellicles from buccal, labial and palatal mucosa showed similar pattern in immunoblotting experiments using anti-MG2 and anti-PRPs antisera. The data from this study suggest that during mucosal pellicle formation multiple components of saliva adsorb to oral mucosal epithelial cell surfaces, and selected components can be proteolytically cleaved into smaller fragments and/or cross-linked into higher-molecular products.

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Object-Oriented Components Reuse System using Enhanced SARM (개선된 SARM을 이용한 객체지향 부품 재사용 시스템)

  • Han, Jeong-Su;Song, Yeong-Jae
    • The Transactions of the Korea Information Processing Society
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    • v.7 no.4
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    • pp.1092-1102
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    • 2000
  • In this paper, we made software components reusable through syntax-analysis method, designed a Viewer for understanding component information, and retrieved similar components by using Enhanced SARM. Because SARM requires a lot of computation time, it was enhanced by reducing unnecessary activation value. Also GUI was designed for component-query relationship and Viewer represents hierarchy diagram of a retrieved component. This system supports facilities which can insert and delete components on diagram. For a component modification, this system supports a editor to rebuild class inheritance relationship. In this paper, SCRS (software components reuse system) is consisted of syntax-analysis method, component-query relationship interface, retrieval (Enhanced SARM), diagram viewer, reuse on diagram, and a editor.

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Component Classification and Retrieval using Clustering Algorithm (클러스터링 알고리즘을 이용한 컴포넌트 분유 및 검색)

  • 김귀정
    • The Journal of the Korea Contents Association
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    • v.2 no.3
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    • pp.87-95
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    • 2002
  • This study proposes method to classify components in repository and retrieve them introducing the idea of domain orientation for successful reuse of components. About components of existing systems design pattern was applied to, us suggest component classification method to compare structural similarity between each component in relevant domain and criterion pattern. Component reusability and portability between platforms can be increased through classifying reusable components by function and giving their structures with diagram. Efficiency of component reuse can be raised because the most appropriate component to query and similar candidate components and provided in priority by use of E-SARM algorithm.

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Evaluation of 1/f Noise Characteristics for Si-Based Infrared Detection Materials

  • Ryu, Ho-Jun;Kwon, Se-In;Cheon, Sang-Hoon;Cho, Seong-Mok;Yang, Woo-Seok;Choi, Chang-Auck
    • ETRI Journal
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    • v.31 no.6
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    • pp.703-708
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    • 2009
  • Silicon antimony films are studied as resistors for uncooled microbolometers. We present the fabrication of silicon films and their alloy films using sputtering and plasma-enhanced chemical vapor deposition. The sputtered silicon antimony films show a low 1/f noise level compared to plasma-enhanced chemical vapor deposition (PECVD)-deposited amorphous silicon due to their very fine nanostructure. Material parameter K is controlled using the sputtering conditions to obtain a low 1/f noise. The calculation for specific detectivity assuming similar properties of silicon antimony and PECVD amorphous silicon shows that silicon antimony film demonstrates an outstanding value compared with PECVD Si film.