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A Study of Young Adults' Information Behavior and Media Use: Focusing on the Children of Families with Immigration Background (청소년의 미디어 사용을 통한 정보 행태에 관한 연구 - 다문화 가정 자녀를 중심으로 -)

  • Lim, Yeojoo
    • Journal of the Korean Society for Library and Information Science
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    • v.50 no.3
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    • pp.455-490
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    • 2016
  • This study investigated the information behavior and media use of Korean young adults with immigration background, focusing on the influence of their social and cultural context. 11 young adults between 13 and 18 with immigration background participated in the study. The participants provided data via daily logs about information needs, written surveys about media use, and two times of in-depth interviews. The data gathered from these diverse methods were used in analyzing the participants' daily problem situations and attempts to satisfy information needs using media. The information needs of young adults with immigration background in their everyday lives included study, leisure, appearance, self-development, living, and career searching - study and leisure were the most needed information subjects. The young adults who participated in this study were actively using media to solve their information needs. For them, media was an emotional support, a tool to express their own identities, a solution that gives all the answers, and a good companion to spend time with. The proposed strategies about young adults' media use in this study could be used in planning library services for children of families with immigration background.

Induction and RAPD Analysis of Mutant Plants by Chemical Mutagens in Gentiana axillariflora Leveille (큰용담 (Gentiana axillarifloa L,) 기내배양에서 화학돌연변이원 처리에 의한 돌연변이주 유기 및 RAPD 분석)

  • 임정대;김명조;유창연
    • Korean Journal of Plant Tissue Culture
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    • v.27 no.2
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    • pp.89-94
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    • 2000
  • In order to induce the mutants of Gentiana axillariflora Leveille, nodes were cultured on Schenk and Hilderbrandt (SH) medium containing TDZ 2 mg/L, BAP 2mg/L, GA3 0.5 mg/L and 0.1 mg/L NAA and each mutagen of ethylmethanesulfate (EMS), colchicine, N-methyl-N-nitrosourea (MNU), and sodium azide (NaN$_3$) through filtration. Comparision of morphological characteristics and survival rate in each mutant plants differed depending on mutagen sources and their concentrations. When EMS were treated on nodes, the regenerated plants was thin and albino, regenerated shoots appeared 'erectoides type' and get twisted. The case of colchicine were treated on nodes, the survival rate was from 84% to 97% at ail concentration after 30days but the rate of survival was decreased about 50% at 200 $\mu$M after 60days. The treatment of NaN$_3$200 $\mu$M was not survived. The survival rate was extremely decreased in MNU treatment at 500$\mu$M, according to concentrations two types of leaf characteristic were obtained. Type I of leaf characteristic was modified from oblanceolate to oboid at leaf shape and type II of leaf characteristic was modified from light green to dark violet at leaf color. RAPD analysis was carried out to check the genetic modification of regenerated plants by mutagen treatments. Three polymorphic DNA fragments out of thirty-seven obtained by RAPDs were observed in regenerated plants using 5 decamer primers.

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The Opening Efficiency of half size modified net for the Anchovy Boat Seine (기선권현망 축소형 개량어구의 전개성능)

  • An, Young-Su;Jang, Choong-Sik;Lee, Ju-Hee
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.40 no.4
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    • pp.255-267
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    • 2004
  • This study was conducted in order to improvement of fishing gear and fishing operating system for anchovy boat seine by bag net A-type and B-type was attached with half size modified nets. Field experiments were carried out observe geometry of nets by catcher boats. The obtained results are summarized as follows : The actual ratio of net opening in each part of the half size modified nets was increased from fore part to back part of the nets as shown the smallest value about 20% in wing net and the biggest value about 110% in bag net. In addition, vertical net opening of B-type net as measured as 10.9~11.8m in fore bag net and 5.8~8.0m in after bag net were 1~2m greater than 9.0~13.6m of A-type one, and 2~3m less than 9.3~10.4m of A-type one, respectively. Vertical net opening of half size modified net was shown as less variation of towing depth from wing net to inside wing net than those of traditional nets due to stable vertical performance. The mesh distortion or drift and variation of vertical net opening were decreased by improvement of bag nets in order to minimized shape of net pocket phenomenon whenever towing speed is slow. Bag net B-Type attached with dual flapper was shown as less variation in width of bag net and less escapement of anchovy.

Study on Divorce Caused by Extramarital Relationship : Content Analysis on TV Drama : "Couples Clinic: Love or War" (혼외관계를 사유로 하는 이혼에 관한 연구: 드라마 "부부클리닉 : 사랑과 전쟁"의 내용분석을 중심으로)

  • Yang, Ok-Kyung;Lee, Ki-Yeon;Park, Ji-Young;Lee, Hyun-Young;Kim, Eun-Sil
    • Korean Journal of Social Welfare
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    • v.57 no.3
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    • pp.165-194
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    • 2005
  • This study is to explore how TV drama describes divorce process by the reason of extramarital relationship in the drama. To explore this subject, 30 drama synopses delineating extramarital relationship were analyzed. The results revealed that most of the couples had difficulties in emotional relationship and communication. The couples relationship was described traditionally patriarchal: husbands showed their authorities and wives showed dependency on their husbands. The partners of extramarital relationship were the lovers before current marriage. The patterns of extramarital relationship included 'intention to look for vitality despite satisfying current marriage' for the husbands and 'intention to avoid dissatisfied current marriage temporally' or 'to maintain marriage despite dissatisfaction' for the wives. For those who married 6 years and longer, more extramarital relationship was accepted as a terminator of the marriage. And in many cases, the divorce dose not mean to maintain the relationship with extramarital partner but to collapse of trust in partner. The results imply that the social work needs to be more sensitive to middle-class couples' communication and relationship problems. This will lead to the development of the social work intervention program for the couples.

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Smartphone Usage Experience of College students (대학생들의 스마트폰 사용 경험)

  • Kim, Jungae;Cho, Eui-young
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.16 no.3
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    • pp.187-201
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    • 2016
  • The purpose of this study was to analyze the smart phone usage experience structure for college students. The phenomenology approach was used by conducting 4 times in-depth interviews with the 7 college students age between 20~23. Collected Data was analyzed by Giorgi's phenomenological method. There were 4 general structure descriptions and 28 themes. General structure descriptions were 'Dependence on smart phone', 'Phenomenon of smart phone usage', 'Results of smart phone usage' and 'Relationship between stress and smart phone'. Themes consisted of 'Ambivalence', 'Positive feelings for smart phones', 'Separation anxiety', 'Negative feelings for smart phones'. 'Dependent feelings for smart phones', 'A sense of unity with smart phones', 'Helpful for my life', 'Deeply involved with my life', 'Useful tool in my life', 'Study, communication, relaxation and health care', 'Maintain personal relationship', 'The most important thing in my life', 'Shallow relationship stress', 'Interference with personal relationship', 'Forming a negative relationship', 'Invasion of privacy', 'Forming a Incorrect relationship', 'Unwanted participation', 'No effort to improve relationship', 'Poor concentration', 'Interference with academic study', 'Study assistance', 'Limited help for study in depth', 'Shelter from the stress', 'Amplification of the stress', 'Obsessive focus', 'Feel separation for the reality' and 'Waste of time'. Smart phone usage make college students dependent on smart phones and had negative influence on both personal relationship and academic results. Usage of smart phone also amplified stress. Therefore we need fundamental principles on usage of smart phone and propose to build cultural etiquette that provides reasonable way to use smartphone.

Analysis of Career Strategy according to Career Identity Confusion at the Each Life Career Branching Point (생애진로분기점별 진로정체성 혼돈에 따른 진로전략 분석)

  • Son, Min-Jeong;Cho, In-Soo;Choi, Jeong-Eun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.6
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    • pp.299-323
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    • 2018
  • This study confirmed the life career branching points, and studied qualitatively the career strategy and career identity at that time. The participants in this study were three students from third graders of middle school, three ones from third graders of high school, and three before and after college graduation, which correspond to the vertical transition stage of school education. Three participants were selected before and after 30 years of age, three before and after 40 years of age, and three before and after 60 years of age. Subject analysis of the contents of the 18 interviews, showed that the life career branching point appeared in middle school grade 3, high school grade 3, until employment after graduation, within 3 years after entering their first job, early 40 years, 60 years old, and 80 years old. Second, external situations were due to the influence of important others, or external stimuli, environment, and career events. Third, negative emotions were repeated for each life career branching point. Fourth, as a result of the interview, the career identity confusion was repeated in every life career branching point. Fifth, the career strategy at the life career branching point was categorized as an approach strategy and avoidance strategy.

Application in Anchovy Boat Seine of Ship′s Distance Measuring System by the GPS Receiver (GPS 선간거리계측 시스템의 권현망 조업에의 응용)

  • 김광홍;신형일;장충식;안영수
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.36 no.4
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    • pp.287-298
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    • 2000
  • The charge of distance and the change of tack between paired boats were measured by ship's distance measuring system fixed MCS in the main boat and MS in the following boat. The operating depth of the anchovy boat seine was recorded and analysed by self memory temperature/depth sensor in order to compare the relationship between the distance between towing boats and geometry of the anchovy boat seine net. The results are as follow, (1) When distance between paired boat was 5m, the fishing net was spreaded down deeply and unstably in accordance with bag net and flapper may be help to pass out anchovy school. (2) When distance between paired boat was 100m, vertical opening of the net was gradually increased with higher slope of towing depth in the square, bosom and flapper. Therefore, fishing efficiency could be decreased by preventing the entering of anchovy due to unstable shape of the bag net. (3) When distance between paired boat was 200m, the geometry of the anchovy seine was stable condition with the end of bag net was up while flapper was down and it may cause bad effect in fishing efficiency. (4) When distance between paired boat was 300m, the shape from wing net to bag net was gradually slow down and stable enough as well as good shape in bag net and flapper. (5) The ship's distance measuring system could be used for measurement and accurate control of distance between paired boat in accordance of anchovy recordings by fish finder in order to get higher fishing efficiency in anchory boat seine operation.

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Mesh Selectivity of Trawl Cod-end for Squid (오징어류에 대한 트롤 끝자루의 망목선택성)

  • Kim, Sam-Kon;Suh, Doo-Ok;Ahn, Jang-Young
    • Journal of Fisheries and Marine Sciences Education
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    • v.9 no.1
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    • pp.71-82
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    • 1997
  • The squid fishery from the East China Sea has increased in importance in recent years, for management of resources were carried out selection experments using diamond and square mesh cod-end with enclosing small mesh cover net by trouser net method during 1991-1994 year. Mesh selection studies on Short-finned squid and Long-finned squid divided from catches by trial experiments. The results that square mesh cod-end retained proportionally fewer small and undersized Short-finned squid and Long-finned squid, square mesh cod-end were greater selection factor and 50% selection length than diamond mesh cod-end.

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Degradation of human immunoglobulins and cytotoxicity on HeLa cells by live Trichomonas vaginalis (질편모충 단백질분해효소의 세포독성 및 인체면역글로불린 분해능)

  • 민득영;류재숙
    • Parasites, Hosts and Diseases
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    • v.35 no.1
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    • pp.39-46
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    • 1997
  • The present study was undertaken to determine whether live T. uaginnlis degrades human secretory IgA, serum If and IgG molecules. Human immunoglobulins were exposed to live trophozoites, parasite Iysate, and excretory-secretory product (ESP) of T ucginnlis. To determine the fragmentation of immunoglobulins, the reaction sample was subjected to SDS-PAGE and EITB, and peroxidase conjugated antihuman IgA and IgG were used as probes. Live trophozoites degraded secretory IgA, serum IgA and IgG, and degradation were pressed forward by the prolongation of the incubation time and by increasing the number of trichomonads respectively. Also the Iysates and ESP of trichomonads degraded IgA and IgG. The cysteine and serine proteinase inhibitors such as I-64, antipain, iodoacetic acid, iodoacetamide, TLCK reduced the ability of cleaving immunoglobulins. The proteinase activity and cytotoxicity of T. uaginnlis to HeLa cells were decreased when live T. vusinalis was treated with metallo-proteinase inhibitor as well as cysteine and serine proteinase inhibitors. These results suggest that proteinase secreted from live T ucginclis may play a part role in host pathogenesis by T. uosinnlis, and the cleaving ability of host immunoglobulins by the proteinase may contribute as a one of immune evasion mechanism for parasite survival in the host.

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Studies on the Behaviour of Fish Schools in the Main-Net of a Large Scale Set-Net Using a Scanning Sonar ( III ) - The Behaviour of Anchovy Engraulis Japonica Sonar-III (소나 관찰에 의한 대형정치망내 어군행동의 연구 ( III ) - 원통내 멸치어군의 행동과 원통의 기능)

  • Kim, Mung-Kwan;Inoue, Yoshihiro;Park, Jeong-Sik
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.32 no.3
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    • pp.217-222
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    • 1996
  • The moving behaviour of anchovy schools(There were small schools of sardine and round-herring in this anchovy schools} in the bag - net of a large scale set - net was investigated using a scanning sonar, in the Kishihata set - net fishing ground located in Nanao city Ishigawa prefecture, Japan from Dec. 1st to Dec. 4th, 1992. The results obtained are summarized as follows ; 1. Moving behaviour of fish schools between two bag - nets was more in the daytime than in the nighttime. 2. The rate of entering fish schools from the first bag -- net to the second bag - net were 78% when the fish school in the second bag -- net existed. The result suggest that fish school existence in the second bag - net affected the rate of entering fish schools from the first bag - net to the second- bag - net. However, the time of stay of fish school that entered the second bag -- net was very short when the fish school in the second bag - net existed densely. The result suggest that a high fish density in the second bag - net might enlarge the escape rate 3. The majority of fish schools moved to the center and off shore side of the bag - net when fish schools entered the bag - net.

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