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      • KCI등재

        Request and Question Perspective in Interlanguage Pragmatics

        Sung Kyu Yun,Woo-hyun Jung 한국사회언어학회 2004 사회언어학 Vol.12 No.2

        Yun, Sung Kyu & Jung, Woo-hyun. 2004. Request and Question Perspective in Interlanguage Pragmatics. The Sociolinguistic Journal of Korea, 12(2). This paper is an interlanguage pragmatic study of request and question perspective. It aims to explore whether there are any differences in request perspective between American English native speakers and Korean EFL learners. To this end, this study employed a Discourse Completion Test, which consisted of eight situations. Data were collected from three different groups: native speakers of English; Korean learners of English; native speakers of Korean. The results showed that the learners deviated from native pragmatic norms in the choice of perspective in a relatively systematic way. The same held even more obviously in the use of please in interacting with request perspective. It was also shown that the mismatch between the native and nonnative groups in perspective was an instance of pragmatic transfer. The results suggested that the notions of imposition and politeness operated differently in perspective between the native and nonnative groups. It is expected that this study will shed light on the phenomenon of interlanguage pragmatics and the aspect of pragmatic transfer, revealing how learners differ from native speakers with respect to request perspective and what causes the differences.

      • Piezoelectric Materials: All‐Solution‐Processed Flexible Thin Film Piezoelectric Nanogenerator (Adv. Mater. 45/2012)

        Chung, Sung Yun,Kim, Sunyoung,Lee, Ju‐,Hyuck,Kim, Kyongjun,Kim, Sang,Woo,Kang, Chong‐,Yun,Yoon, Seok‐,Jin,Kim, Youn Sang WILEY‐VCH Verlag 2012 ADVANCED MATERIALS Vol.24 No.45

        <P>An all‐solution‐processed flexible piezoelectric nanogenerator, composed of polycrystalline ZnO thin film and functional polymer layers such as P3HT/PCBM and PEDOT:PSS, generates energy through a mechanical rolling and muscle stretching system. On page 6022, Youn Sang Kim, Sang‐Woo Kim, and co‐workers show that this all‐solution‐processed nanogenerator is feasible as a piezoelectric patchable device and is promising for use in future energy harvesters such as wearable human patches and mobile electronics. </P>

      • KCI등재
      • SCOPUSKCI등재
      • KCI등재
      • 부하분산 및 결함허용을 제공하는 CORBA 기반 원격 회의 시스템 설계

        성재철,임주혁,장우혁,조찬윤,최항묵 인제대학교 1999 仁濟論叢 Vol.15 No.1

        인터넷 및 통신 기술의 발달에 따라 원격 회의 시스템이나 원격 교육, 가상 대학과 같은 응용에 대한 연구가 활발히 진행되고 있다. 이와 판은 시스템에 기존의 중앙 집중 방식을 사용할 경우에는 서버측의 부하가 모두 집중되어 전체 시스템에 영향을 미치게 될 수 있으므로 분산 시스템을 이용한 연구가 활발히 진행되고 있다. 본 논문에서는 이미지나 텍스트-파일과 같은 자료를 필요로 하는 원격 회의 시스템을 설계하고 Factory 객체와 관계형 통합 데이터 베이스를 이용하여 동적 부하 분산과 동적 결함 허용을 제공하는 시스템을 제안한다. As the technigues of the Interned and Communication are developed, the study about its applications such as Remote Conference system, Remote Education and Cyber University are lively progressing. When the centralized method is applied to those kinds of system mentioned above, the load is mostly occurred in the server side anaitcauas bad effect to the whole system. So the Study about an application such as Remote Conference system, Remote Education and Cyber University is considering using the distributed system. In this paper I would like design a Remote Conference System is soogetled, which needs sub data like images, text files and givers dynamic load balance and dynamic fault tolerance using Factory object and Relational Integrated Data Base.

      • 실험적 진폐증에서 투여약제에 따른 면역학적 병리학적 조직변화

        윤임중,임현우,노영만,오상용,정장영,임영,김경아 가톨릭 대학 산업의학 쎈타 산업의학연구소 1993 韓國의 産業醫學 Vol.32 No.2

        To access the effects of some drugs such as piperazine phosphare, azathioprine and allopurinol in the experimental pneumoconiosis, 263 rats weighted 240-320 gm was divided into the control and eight experimental groups. To each group, the turbid solution mixed free silica, talc and natural coal dust of 50 mg in 0.8 ml saline were instilled intratracheally. At the begining and 5th week of experiment, piperazine phosphate(8mg/week orally), aspirin(1.5mg/day intramuscularly), azathioprine(25mg/day orally) and allopurinol(1.5mg/day orally) were administered simultaneously, while the dust turbid solution was only given to the control group. For each group the change of body weight. dry right lung weight, cellularity including total cell, macrophage, lymphocyte and neurtrophil in bronchoalveolar lavage fluid, superoxide ion, hydroxyproline, leukotriene B₄, tumor necrotsis factor, prostaglandin E₂were examined, and observed the pathological chages in lung tissue. The results were as follow : 1. The larger amount of their instilled dust and the longer observation period, the severer pathological findings were found in the lung tissue of each experimental group. 2. The body and dry right lung wight was not significantly changed in the experimental groups compared with the control group. 3. The number of total cell in bronchoalveolar lavage fluid was markedly less in the experimental group than the control one, while no significant difference was found in the percent alveolar macrophages and lymphocytes in both groups. However, the percent of neutrophiles was usually lower than in the control group. 4. The amount of superoxide ion was frequently less in the experimental group compared with the control one. 5. The amount of hydroxyproline was significantly lower in the experimental group than in the control one. 6. The amount of leukotriene B₄was usually less in the drug administered group than in the control one. 7. The amount of tumor necrotic factor was also frequently lower in each experimental group than in the control one. 8. The amount of prostaglandin E₂was usually higher in each experimental group than in the control one.

      • KCI등재

        오존에 의한 두 품종 콩의 가시피해 및 생리적 반응

        윤성철,박은우 한국농림기상학회 2000 한국농림기상학회지 Vol.2 No.4

        A glass chamber experiment was conducted to evaluate the impact of ozone(O_3) on the physiology of two soybean, Glycine max L. cultivars, 'Hwanggum" and 'Jangyub'. Thirty-day old plants with 1-2 nodes were exposed to O_3 of<10 and 150 nl l^-1 in the chambers for 8 h^d-1 for 3 days. Net photosynthesis, stomatal conductance, chlorophyll a, chlorophyll b and total chlorophyll contents, and foliar injury(% injured leaves) were measured. Although foliar damage was more severe on Jangyub than on Hwanggum, net photosynthesis was decreased by 60% on Hwanggum and 13% on Jangyub due to the O_3 treatment. Stomatal conductance on Jangyub was twice higher than that on Hwanggum and 13% on was not changed by the O_3 treatment. Whereas, stomatal conductance on Hwanggum was 60-80% decreased by O_3. Chlorophyll contents did not change due to the O_3 treatment or variety. We can conclude that the reduction of net photosynthesis by O_3 was mainly due to the decreases of stomatal conductance and Rubisco (ribulose-1, 5-bisphosphate carboxylase/oxygenase) activity on dark reaction. And foliar injury and chlorophyll content did not contribute to the net photosynthetic decrease. The gas-exchange variables measured 24 h after the termination of O_3 fumigation showed that there was no significant recovery within a day. Since the physiological responses on Jangyub were not much affected by the O_3 treatment, this variety could be O_3 resistant.

      • KCI등재

        소아 청소년 자살기사에 관한 내용분석

        윤우상,이영식,이길홍 大韓神經精神醫學會 1992 신경정신의학 Vol.31 No.1

        This study was carried out to search for basic characteristics of child and adolescent suicides. The author analysed child and adolescent suicide cases reported on daily newspaper. Dong-A Ilbo, from 1981 to 1990. The total number of cases were 144, including 94 boys and 50 girls. The cases were devided into three age groups : early(1-14), middle(l5-17), and late(l8-24) age group. The results of the study were as follows : 1) The suicide cases were more frequent in male. The ratio of male to female was 2 : 1. The peak age was 18(13.2%). Increasing the age, suicidal behavior was more frequent in male than in female. 2) Suicides in child and adolescent were reported most frequently in 1981. But until 1989. sucide cases has not been increased. 3) In occupation and education status, the student was the most frequent group(63.2%). Among them, high school adolescents(22.9%) were most common. 4) Suicides were found to occur most commonly during spring, followed by summer, autumn and winter. But difference was not found on the day of week. Suicides were committed more frequently between 12 MD - 6 P.M. This trend was more common in child. 5) The most frequent place of suicide was the home(48.6%). This trend was more common in female and early age group. 6) The most common methods of suicide were by hanging(25.7%), followed by drug(25.0 %) and jumping(l9.4%). In male suicide was committed by more lethal methods, such as hanging, jumping, weapon firing, but in female the most common method was drug. In early age group, more frequent means of suicide was drug(50%) and hanging(33.3%) but in late age group, the means of suicide were variable. 7) The most frequent motivation of suicide were emotional problem and school problem. Demonstration was more frequent motivation in female. The friend was the most common partner in joint suicide.

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