• Title/Summary/Keyword: library 4.0

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Current Status of ACE Format Libraries for MCNP at Nuclear Data Center of KAERI

  • Kim, Do Heon;Gil, Choong-Sup;Lee, Young-Ouk
    • Journal of Radiation Protection and Research
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    • v.41 no.3
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    • pp.191-195
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    • 2016
  • Background: The current status of ACE format MCNP/MCNPX libraries by NDC of KAERI is presented with a short description of each library. Materials and Methods: Validation calculations with recent nuclear data evaluations ENDF/BV-II. 0, ENDF/B-VII.1, JEFF-3.2, and JENDL-4.0 have been carried out by the MCNP5 code for 119 criticality benchmark problems taken from the expanded criticality validation suite supplied by LANL. The overall performances of the ACE format KN-libraries have been analyzed in comparison with the results calculated with the ENDF/B-VII.0-based ENDF70 library of LANL. Results and Discussion: It was confirmed that the ENDF/B-VII.1-based KNE71 library showed better performances than the others by comparing the RMS errors and ${chi}^2$ values for five benchmark categories as well as whole benchmark problems. ENDF/B-VII.1 and JEFF-3.2 have a tendency to yield more reliable MCNP calculation results within certain confidence intervals regarding the total uncertainties for the $k_{eff}$ values. Conclusion: It is found that the adoption of the latest evaluated nuclear data might ensure better outcomes in various research and development areas.

A Comparative Analysis on Curriculum of iSchools and L-School in North America (북미지역 iSchool 대학과 L-School의 교육과정 비교분석)

  • Kim, Heesop;Nam, Kwon Hee;Kang, Bora
    • Journal of the Korean Society for Library and Information Science
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    • v.47 no.4
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    • pp.295-314
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    • 2013
  • The purpose of this study is to analyze the curriculum of iSchools in North America. To achieve the aim of the study 17 iSchools and the same number of L-Schools were chosen from the same regional area. Data were collected mainly through each of their official websites and email inquiry. The graduate courses were classified into 8 domains judging by its title, and conducted t-test for a comparative analysis with L-School curriculum using SPSS 19.0. It is found that 'Information Studies', 'Practicum and Study', and 'Library and Information Center Management' domains were dominant in iSchool curriculum. In the comparative analysis, 'Study in Library and Information Science' domain showed lower percentage, whereas 'Information Studies', 'Library and Information Center Management', 'Practicum and Study' domains showed higher percentage than the L-School curriculum.

Utilization of Electronic Information Resources and Their Influence on Reading Culture of Undergraduate Students in Federal University Dutse

  • Aminu Ahmed BUBA;Aisha Yahya LAWAL
    • International Journal of Knowledge Content Development & Technology
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    • v.13 no.3
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    • pp.75-93
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    • 2023
  • A cross sectional survey method was used to determine the utilization of e-resources and their influence on the reading culture of 119 undergraduate students registered with the JD Amin library of Federal University Dutse. The data collected was analysed using both descriptive (frequency counts and means) and inferential statistics (regression analysis). The research found that databases (mean=4.00) and e-journal (mean=4.00) are available to the undergraduate students. It further found that e-resources are often utilized by the undergraduate student, with social media (mean=4.00), databases (mean=4.00) and e-journal (mean=4.00). the most commonly used e-resources. It was also found that erratic power supply (mean=3.91) and inability to seek, obtain and evaluate information (mean=3.67) are the prominent factors hindering the utilization of e-resources. The regression analysis rejected the null hypotheses of the study where it shows that the level of utilization of e-resources have positive statistical correlation (r=0.772) with the reading culture of undergraduate students. The study proposed a conceptual model for the sustainable reading culture of students by libraries providing of e-resources. The general conclusion of the research is that e-resources are necessary tools and are moderately available and adequately utilized for influencing reading culture. The study recommended that Internet facilities should be made available to undergraduate students to facilitate more utilization of e-resources.

The study on the cooperation between public and school libraries (공공도서관과 학교도서관의 상호협력에 관한 연구)

  • 김병주
    • Journal of Korean Library and Information Science Society
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    • v.27
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    • pp.573-599
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    • 1997
  • The purpose of this research was to study the merits and barriers to successful school and public library cooperation in the city of Seoul and to obtain perspective and the basic data used to implement practical cooperative measures. A questionnaire survey was conducted for 22 public libraries in city of Seoul concerning both positive and negative aspect of cooperation between two types of libraries. Based on the survey results, the following conclusions and recommendations are made ; 1) The librarians recognized the necessity of cooperation that promote efficiency of library operation and also contribute toward local community development. 2) The librarians are agreeable to the cooperative service and the institutional cooperation will prevent redundancy of collection development and will make variety of book selection possible. 3) The cooperation will not result in manpower reduction or budget saving. 4) Inconvenience due to distance between two types of library is anticipated. 5) In order to develop the skills and capabilities of the librarians, it is desirable to offer reeducational program and o n.0, pportunities to attend conferences and meetings. 6) The library user orientation program is to be held regularly. 7) It is necessary to make policy statement of library cooperation in order to maintain autonomy of each library. 8) The establishment of branch libraries and moving libraries under the educational district is recommended.

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Complaining Intentions and Its Antecedents of Academic Library Users (대학도서관 이용자의 불평의도와 그 선행요인에 관한 연구)

  • 오동근
    • Journal of Korean Library and Information Science Society
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    • v.33 no.4
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    • pp.61-83
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    • 2002
  • This study is to investigate extensively the complaint responses of the academic library users, with a special regard to those in Daegu Metropolitan City and in Kyungpook Province. It selects and analyzes empirically some of the antecedents of the complaining intentions including perceived severity of dissatisfaction perception of free use, attitude toward complaining, cost of the complaining, likelihood of success, product/service importance, external attributions and loyalty; and complaint intentions including exit intention, voice(redress seeking) intention, negative word-of-mouth intention and third party complaints intention of the academic library users, based on the theoretical backgrounds. Final data through questionnaires are obtained from 582 unsatisfied academic library users in 5 universities in those areas, 542 of them analysed with SPSS 11.0 for Windows.

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Molecular Cloning of Chitinase Genes Family from Serratia marcescens

  • Song, Young-Hwan;Kweon, Oh-Gun
    • Journal of fish pathology
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    • v.6 no.2
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    • pp.103-110
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    • 1993
  • Total genomic DNA library of Serratia marcescens was prepared by inserting Sau3AI partial digesting fragments(above 5 kb) into the dephosphorylated BamHl site of pUC19. In primary screening, two colonies were selected by observing the halo around E. coli transformants grown on the swollen colloidal chitin media. Secondary screening was performed by soaking two colonies with a few drops of 4-methylumbelleliferryl N-acetyl-$\beta$-D-glucocosaminide(4-MuNGlcNAc). As 4-MuNGlcNAc is a specific, fluorogenic substrate for chitinase, the positive clones produce light fluorescence by the exposure under the long wave U.V. light(360 nm). From genomic DNA library derived from pUC19, we have isolated two different chitinase clones, pCH1(11.0Kb) and pCH2(7.5Kb), which show completely different restriction map to each other. The cross-hybridization of pCH1EA and pCH2 have not revealed any hybridization signals to each other.

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Research Trends on Librarians' Behaviors in Korea (사서행태의 연구 동향)

  • Kim, Kapseon
    • Journal of Korean Library and Information Science Society
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    • v.47 no.4
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    • pp.309-337
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    • 2016
  • The purpose of this study was to identify research trends on librarians' behaviors(LB) in Korea. 163 papers were selected in four representative journals published in Korean LIS, 1970-2015. The papers were analyzed in terms of period, journal, theme, purpose of research, research method, areas, type of author. The findings are as follows. 1) LB of University library were 28.8% and then that of public library were 26.9%. 2) Organizational behaviors of librarians were 52.7%, and then work behaviors were 31.9%. 3) Purposes of research were to examine librarians' perception (52.7%) and then to improve of current state of libraries(41.1%). 4) Quantitative research method was heavily found(82.2%). 5) Research purpose on LB of University library was related to identify perception of librarians, and that of Public library was related to improve current state of libraries. It discussed four strategies for sustaining growth of LB study aspect of research subject, research purpose, research method, and editorial strategies of four journals.

Construction of a Bacterial Artificial Chromosome Library Containing Large BamHI Genomic Fragments from Medicago truncatula and Identification of Clones Linked to Hypernodulating Genes

  • Park So-Yeon;Nam Young-Woo
    • Journal of Microbiology and Biotechnology
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    • v.16 no.2
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    • pp.256-263
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    • 2006
  • In the model legume Medicago truncatula, two mutants, sickle and sunn, exhibit morphologically and genetically distinct hypernodulation phenotypes. However, efforts to isolate the single recessive and single semidominant genes for sickle and sunn, respectively, by map-based cloning have so far been unsuccessful, partly due to the absence of clones that enable walks from linked marker positions. To help resolve these difficulties, a new bacterial artificial chromosome (BAC) library was constructed using BamHI-digested genomic fragments. A total of 23,808 clones were collected from ligation mixtures prepared with double-size-selected high-molecular-weight DNA. The average insert size was 116 kb based on an analysis of 88 randomly selected clones using NotI digestion and pulsed-field gel electrophoresis. About 18.5% of the library clones lacked inserts. The frequency of the BAC clones carrying chloroplast or mitochondrial DNA was 0.98% and 0.03%, respectively. The library represented approximately 4.9 haploid M. truncatula genomes. Hybridization of the BAC clone filters with a $C_{0}t-l$ DNA probe revealed that approximately 37% of the clones likely carried repetitive sequence-enriched DNA. An ordered array of pooled BAC DNA was screened by polymerase chain reactions using 13 sequence-characterized molecular markers that belonged to the eight linkage groups. Except for two markers, one to five positive BAC clones were obtained per marker. Accordingly, the sickle- and sunn-linked BAC clones identified herein will be useful for the isolation of these biotechnologically important genes. The new library will also provide clones that fill the gaps between preexisting BAC contigs, facilitating the physical mapping and genome sequencing of M. truncatula.

Screening and Characterization of a Novel Cellulase Gene from the Gut Microflora of Hermetia illucens Using Metagenomic Library

  • Lee, Chang-Muk;Lee, Young-Seok;Seo, So-Hyeon;Yoon, Sang-Hong;Kim, Soo-Jin;Hahn, Bum-Soo;Sim, Joon-Soo;Koo, Bon-Sung
    • Journal of Microbiology and Biotechnology
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    • v.24 no.9
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    • pp.1196-1206
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    • 2014
  • A metagenomic fosmid library was constructed using genomic DNA isolated from the gut microflora of Hermetia illucens, a black soldier fly. A cellulase-positive clone, with the CS10 gene, was identified by extensive Congo-red overlay screenings for cellulase activity from the fosmid library of 92,000 clones. The CS10 gene was composed of a 996 bp DNA sequence encoding the mature protein of 331 amino acids. The deduced amino acids of CS10 showed 72% sequence identity with the glycosyl hydrolase family 5 gene of Dysgonomonas mossii, displaying no significant sequence homology to already known cellulases. The purified CS10 protein presented a single band of cellulase activity with a molecular mass of approximately 40 kDa on the SDS-PAGE gel and zymogram. The purified CS10 protein exhibited optimal activity at $50^{\circ}C$ and pH 7.0, and the thermostability and pH stability of CS10 were preserved at the ranges of $20{\sim}50^{\circ}C$ and pH 4.0~10.0. CS10 exhibited little loss of cellulase activity against various chemical reagents such as 10% polar organic solvents, 1% non-ionic detergents, and 0.5 M denaturing agents. Moreover, the substrate specificity and the product patterns by thin-layer chromatography suggested that CS10 is an endo-${\beta}$-1,4-glucanase. From these biochemical properties of CS10, it is expected that the enzyme has the potential for application in industrial processes.

COMPARISON OF CANDU DUPIC PHYSICS CODES WITH MCNP

  • Gyuhong Roh;Park, Hangbok
    • Proceedings of the Korean Nuclear Society Conference
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    • 1997.05a
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    • pp.65-70
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    • 1997
  • Computational benchmark calculations have been performed for CANDU DUPIC fuel lattice and core using a Monte Carlo code MCNP-4B with ENDF/B-V library. The eigenvalues of the DUPIC fuel lattice have been predicted by an integral transport code WIMS-AECL using ENDF/B-V library for different burnup steps and lattice conditions. The comparison has shown that the eigenvalues match those of MCNP-4B within 0.20% $\Delta$k difference between WIMS-AECL and MCNP-4B results. The calculation of a 2-dimensional CANDU core loaded with DUPIC fuel has shown that the eigenvalue predicted by a diffusion code RFSP using lattice parameters generated by WIMS-AECL matches that of MCNP-4B within 0.12%Δk and the largest bundle power prediction error is around 7.2%.

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