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대학생의 여가 인식에 관한 연구 : 경주대학교 재학생을 대상으로 focused on KYONGJU University student
조현호,유영준 경주대학교 2000 論文集 Vol.13 No.-
Korean is exposed to a rapid growth in economy and considerable amount of time for leisure. There is no doubt that the leisure industry is playing a significant role in making our lives enjoyable and therefore leading a quality lift. In a range of research. it has been shown that the essence of leisure functions properly where the degree of leisure satisfaction is high. Thus, this study attempts to identify the cognition of leisure by undergraduate students in Kyongju University and to suggest alternative solutions for then. The research findings and their implications are summarized as follows. Firstly, a large percentage of the students take a serious view of work and leisure. Secondly, the satisfiers of own leisure activity are rather than dissatisfied students, because they regard their leisure activities as reasonableness and soundness. Lastly, students consider leisure as their mental state of comformt and pleasure. The results implies that systematic and in-depth education on the leisure and enrichment of leisure facilities are required in order to become higher students' satisfaction of own leisure activities.
유영준,조현호 경주대학교 창의력개발연구소 2004 創意力開發硏究 Vol.- No.7
The purpose of this research is to provide guiding alternatives of sound leasure activities by breaking with terms for types and behaves of its in university student's daily life. For these me, students who took class on 「Theory of leisure, has been studied concepts of leasure spontaneously as a observer, and then they has been submitted to diary-style life record table which are done activities of one week. By doing practice on diary analysis method on basis of one's life record, which are analyzed student s life and act for one week by emphasis upon leasure time. And also to increase reliance on research results, by presenting in class examples of 10 persons among main interview group, whether are unified with their opinions. The results has been shown that portion of leasure activities has various value at range of 15.7~38.0 percentage on total activities time. Most examples have presented that students have been spent leasure time efficiently, after they have examined with leasure time and made life record by themselves.
사방격자에 의해서 만들어진 주기적인 무아레 무늬를 이용한 물체의 형상측정
조선미,김영유,류지욱,육근철 公州大學校 基礎科學硏究所 1997 自然科學硏究 Vol.6 No.-
사방격자를 이용해서 물체의 형상을 측정할 수 있는 방법을 제안하였다. 카메라와 광원의 위치좌표는 변화시키지 않고 사방격자의 피치 간격을 일정한 비율로 변화시키는 방법과, 사방격자의 피치간격은 변화시키지 않고 광원과 카메라 사이의 평면 위치좌표를 변화시켜서 주기적인 무아레 무늬를 얻었으며 이를 이용하여 무아레 무늬의 절대차수를 결정할 수 있는 새로운 방법을 제안하였다. We present a simple method of determining the absolute order using periodic moire fringe structures formed by criss-crossed gratings. We selected two experimental methods that one is fixed the position coordinates of light sources and camera, and than change the pitch distance of criss-crossed gratings. Another method are fixed the pitch distance of criss-crossed gratings and than change the position coordinates of light sources and camera. As a results. We could determined the absolute order only once a photographing the objects.
사회복지조직의 실제채용기준을 반영할 수 있는 채용공고에 대한 탐색적 연구 : 서울·대전지역을 중심으로
이화조,한가영,이옥진,김유신 梨花女子大學校 社會科學大學 社會科學硏究所 2010 사회과학연구논총 Vol.24 No.-
본 연구의 목적은 사회복지조직의 공개 채용공고가 실제채용기준을 얼마나 반영하고 있는지 파악하여 채용공고의 변화가능성을 탐색하기 위함이다. 이러한 목적을 달성하기 위해 2008년 한국사회복지사협회의 채용공고 중 210건의 조직을 표집하여 기초분석을 통해 정보내용을 파악하였고, 서울과 대전의 23개 조직의 기관장을 대상으로 1:1면접을 통해 사례연구를 진행하였다. 분석결과, 실제채용기준은 자원봉사와 실습을 통한 현장경험, 사회복지사 1급 자격증, 지원자와 조직의 비전 일치, 사회복지 마인드, 대인관계 등으로 드러났다. 그러나 이는 채용공고에 제시되지 않거나 질적인 차이를 보였다. The purpose of this study is to understand how an open employment notice has reflected the actual criterions of the recruitment, and to discover a potential for any changes. To achieve this purpose, a systematic random sample of 210 open employment notices was selected from Korea Association of Social Workers in 2008, and a descriptive analysis was conducted. The qualitative research was carried out for the case study with 23 interviewees from social welfare organizations in Seoul and Daejeon. Consequently, the actual criterions of the recruitment included the following elements: social work field practicum and volunteer work, the level one social welfare license, degree of harmony with the vision of the organization, dept of social welfare-oriented mind, and human networks. However, these criterions may not be presented in open employment notices or show that there are qualitative differences between open employment notices and the actual employment criterions.
신경회로망에 의한 용접 결함 종류의 정량적인 자동인식 시스템 개발에 관한 연구
김재열,김영석,김병현,유신,김훈조,정진홍 한국공작기계학회 1997 한국생산제조학회지 Vol.6 No.1
A neural network approach has been developed to determine the depth of a surface breaking crack in a steel plate from ultrasonic backscattering data. The network is trained by the use of feedforward three-layered network together with a back-scattering algorithm for error correction. The signal used for crack insonification is a mode converted 70˚ transverse wave. A numerical analysis of back scattered field is carried out based on elastic wave theory, by the use of the boundary element method. The numerical data are calibrated by comparison with experimental data. The numerical analysis provides synthetic data for the training of the network. The training data have been calculated for cracks with specified increments of the crack depth. The performance of the network has been tested on other synthetic data and experimental data which are different form the training data.
Tetracycline-incorporated Silk Fibroin Films
( Jong Ho Kim ),( Bong Seob Shin ),( Jong Young Jeon ),( Haeyong Kweon ),( You Young Jo2 ),( Heui Sam Lee ),( Kwang Gill Lee ) 한국잠사학회 2012 International Journal of Industrial Entomology Vol.25 No.1
Silk fibroin films incorporated with tetracycline was prepared and characterized by Fourier-transform infrared spectrometer and differential scanning calorimeter and examined antibacterial effect. The conformation of silk fibroin was changed from random coil to e sheet structure with incorporation of tetracycline. Antibacterial activity of the materials was evaluated against Gram-negative bacteria (Escherichia coli) and Gram-positive bacteria (Staphylococcus epidermis, and Staphylococcus aures) using agar plate method showing clear inhibition zone around tetracycline silk film. It is concluded that tetracycline-incorporated SF films are highly effective against bacteria.
MANET 라우팅 프로토콜 QoS 지원서비스의 성능평가에 관한 연구
鄭燦赫,金鉉郁,李光培,姜景仁,朴京培,劉忠烈,吳世德,裵振勝,趙榮泰 明知大學校 産業技術硏究所 2004 産業技術硏究所論文集 Vol.23 No.-
In this paper, we evaluated two main QoS supporting routing protocol on wireless ad hoc network. At presence, wireless mobile communication focuses on how to efficiently support mobility of users more than QoS guarantee. However, in order to satisfy requirement of various applications which have been or will be served, QoS support service between source and destination becoming a very important issue. Of all routing protocols, DSR and AODV are very important routing protocol in MANET. So we simulated DSR and AODV QoS Routing Protocol Through simulation evaluation tool NS(Network Simulation) based on various environments.
Structural and thermal characteristics of photocrosslinked silk fibroin -PEG hydrogel
( You-young Jo ),( Kwang-gill Lee ),( John C. Bragg ),( Chien-chi Lin ),( Haeyong Kweon ) 한국잠사학회 2016 International Journal of Industrial Entomology Vol.32 No.1
Hydrogels are crosslinked hydrophilic matrices for a variety of biomedical applications. Silk fibroin (SF), one of typical natural biomaterials, has been explored as base material for hydrogel. Photocrosslinked SF hydrogel containing poly(ethylene glycol) (PEG) was formulated through visible light initiated thiol-acrylate photopolymerization. The morphological, structural and thermal properties of SF . PEG hydrogel was investigated through scanning electron microscopy, X-ray diffractometry, thermogravimetry, and differential scanning calorimetry. The morphology of SF hydrogel showed dot and uneven surface with network cross-section. X-ray diffraction curves showed that the specific diffraction peaks of PEG were not changed by the intensity of the peaks were affected by sonication. Thermo-degradation behavior of SF . PEG hydrogel sonicated was significantly affected and became complex pattern compared to unsonicated ones. However, the melting endothermic temperature of SF-PEG hydrogel was not changed but the crystalline enthalpy was decreased by gelation and sonication.
Cytocompatibility of silkworm cocoon layer extracts
( You-young Jo ),( Sung-kuk Kim ),( Kwang-gill Lee ),( Sung Min Bae ),( Jong-ho Kim ),( Bong-seob Shin ),( Jong-young Jeon ),( Haeyong Kweon ) 한국잠사학회 2016 International Journal of Industrial Entomology Vol.33 No.2
Recently silk polymer produced by Bombyx mori silkworm has been considered as biological macromolecules. Silk polymer was extracted in PBS solution at 37℃ for 72 h or 72℃ for 24 h. The effect of EtOH treatment on the cocoon extraction was also examined. The extraction yield of cocoon was less than 1 wt% regardless of extraction conditions. UV spectroscopy showed that the experimental extracts have absorption bands at 280 nm. There is no cytotoxicity effect on the mouse fibroblast L929 cell. The phenotype of L929 cell was not changed under the experimental conditions. The proliferation behavior of L929 cell was not affected by the addition of cocoon extract. Therefore, cocoon extract might be cytocompatible and can be used as promising biomaterials.
( You-young Jo ),( Soohyun Kim ),( Ji Hae Lee ),( Haeyong Kweon ),( Wan-teak Ju ),( Hyun-bok Kim ),( Kee-young Kim ),( Seong-wan Kim ),( Su-bae Kim ) 한국잠사학회 2020 International Journal of Industrial Entomology Vol.40 No.1
Silkworm powder was prepared from 3<sup>rd</sup> day of 5<sup>th</sup> instar silkworm through various drying technology including freeze drying, hot wind drying, infrared drying, and microwave drying. The shape of silkworm dried was different with the drying methods. Freeze drying and microwave drying silkworm looked its original form, but hot wind drying and infrared drying silkworm looked shriveled and crumpled. The color of silkworm powder freeze-dried changed from yellowish green to hazel with lowering freezing temperature. Heavy metals including Pb, Cd, As, and Hg were lower the food criteria. The results of 1-deoxynojirimycin analysis was shown that BaekOkJam and GoldenSilk silkworm powder was satisfied the criteria of functional food, but YeonNokJam silkworm powder was lower than the criteria. The amino acid composition of silkworm was similar regardless of the frozen temperature in freeze drying process. © 2020 The Korean Society of Sericultural Sciences Int. J. Indust. Entomol. 40(1), 22-27 (2020)