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관계형 Database의 Query 프로그램 복잡도 측정에 관한 연구.
정은주(Chung. Eun Joo),윤창섭(Yoon. Chang Sup) 한국정보과학회 1989 한국정보과학회 학술발표논문집 Vol.16 No.2
소프트웨어의 개발, 유지보수의 노력과 비용에 영향을 주는 소프트웨어의 특성을 식별, 분류, 측정하기 위하여 프로그램의 복잡도를 측정할 수 있는 많은 척도가 제안되고 있다. 본 논문에서는 관계형 데이타 베이스 시스템에서 관계 대수(relational algebra)의 연산을 나타내는 Query 프로그램의 복잡도를 측정할 수 있는 척도(metric)를 제안하고, 데이타 베이스 응용 프로그램의 복잡도를 측정하는 모형을 제시하였다.
특수목적의 한국어 학습자를 위한 교수-학습 방안 -중국 공무원 학습자를 중심으로-
정은주 ( Chung Eun-joo ) 한국언어문화교육학회 2006 언어와 문화 Vol.2 No.3
The purpose of this paper is to find out what kinds of teaching and learning methods are suitable for those who learn Korean with specific needs and purposes not like those who study abroad in Korea with academic purposes. A group of thirty Chinese government workers participated in this study. They spent three to six months studying Korean. They wanted to improve their Korean in order to use it in their work places. Also their interest in the Korean popular culture motivated them to learn the Korean language. Therefore teaching methods should be geared to help them learn how to speak Korean according to different linguistic and cultural contexts. The learning of vocabulary should meet their specific needs and especially the learning of the culture as well as the learning of the target language itself should be emphasized. As there will be more people from other countries who would like to learn from the Korean movement for a better life(Saemaul movement) enacted about three decades ago, more studies of this kind are expected to be done. (Keimyung University)
옥수수 자엽초의 신장에 미치는 TPA 와 IAA 의 효과
정은주(Eun Joo Chung),이준승(June Seung Lee) 한국식물학회 1992 Journal of Plant Biology Vol.35 No.1
In view of the well-established role of protein kinase C effector element in signal transduction of animal systems, the possibility of diacylglycerol (DAG) and its analog 12-O-tetradecanoylphorbol-13-acetate (TPA) having an effect on auxin-induced growth of corn coleoptiles was explored. Both DAG and TPA were found to promote cell elongation in the coleoptile tissue. Treatment of tissue with these protein kinase C-activating agents resulted in increase in the growth rate over the control by about 300%. When IAA was applied to TPA-pretreated coleoptiles, auxin effect appeared synergistic. Morever, coleoptile growth was found to be inhibited by staurosporine and methylated TPA, both of which are known to specifically inhibit protein kinase C. Electrophoretic and autora-diographic patterns of soluble proteins from the coeoptiles indicated that either IAA or TPA tereatment resulted in increased phosphorylation of certain proteins of 205 Kd, 66 Kd and 32 Kd in size. The results obtained from the present work suggest that protein kinase C may be associated with auxin action on cell elongation in the corn coleoptile segments.
초등학생이 지각한 긍정적 양육태도와 자아존중감, 학업열의 간의 구조적 관계 분석
정은주 ( Jung¸ Eun Joo ),정혜영 ( Chung¸ Hye Young ) 한국초등교육학회 2021 초등교육연구 Vol.34 No.3
The purpose of this study is to identify the impact of the positive parenting attitude of parents perceived by elementary school students on academic engagement through self-esteem. For the study, the 2019 survey data of the Korean Children and Youth Panel Survey 2018 (KCYPS 2018) were used, and 2,437 fourth graders (1,221 boys and 1,216 girls) were selected for the study. The collected data were used by SPSS Statistics 26 and Amos 26 programs to perform Structural Equation Model (SEM) analysis. The results of the study are components of the warmth, autonomy support, and structure of positive parenting attitudes perceived by elementary school students indirectly affect academic engagement by fully mediating self-esteem. Influence levels are the order of autonomy support, structure, and warmth. The implications derived from this study are as follows: In order to directly increase the self-esteem of elementary school students and indirectly increase the academic engagement of elementary school students, parental awareness needs to be improved. and parental education should be provided to enhance the positive parenting attitude of parents. The education and counseling of parenting needs to be systematic, and parental education programs should be readily available when services are needed. Next, in order to increase elementary school students' academic engagement, programs to foster positive self-esteem are requested, and systematic programs suitable for the stage of child development should be implemented steadily and effectively with sufficient time.
다문화 학생 교육 지원 정책 운영학교의 현황 및 교원의 인식과 요구 분석: 경기도교육청 사례를 중심으로
정혜영 ( Chung Hye Young ),( Cho Grace ),정은주 ( Jung Eun Joo ) 한국초등교육학회 2024 초등교육연구 Vol.37 No.3
This study aims to explore the current status of policy schools for multicultural student support, as well as the perceptions and support needs of teachers who have experienced multicultural education tasks. For this purpose, a survey was conducted using the 2023 Korean Language Class Operation Reports from a total of 67 schools operating under the Gyeonggi Provincial Office of Education's multicultural student support policy, and surveys were administered to teachers in charge of multicultural education tasks at these schools. A total of 62 teachers participated, including 44 teachers from 38 elementary schools and 18 teachers from 16 secondary schools. The results of the study indicate that policy schools operating under the multicultural student support in Gyeonggi Province faced different situations and challenges depending on the composition of multicultural students (ratio, home language) but responded flexibly considering the school's infrastructure. The Korean language class programs at these schools commonly focused on language, daily life, and subject adaptation. Teachers responsible for multicultural student education tasks highlighted the need for support in terms of staffing and management, provision and archiving of related materials, training and education of teachers, provision of incentives, establishment of external preparatory schools, cooperation and linkage with families and external organizations, and efforts toward a consensus on the orientations of multicultural education. Through the results of this study, the difficulties and support needs experienced by teachers at policy schools operating under the multicultural student support were explored, providing implications for future improvements.
만성 골수성 백혈병 경과 중에 발생한 말초 T 세포림프종 1 예
임충현(Chung Hyun Lim),김지현(Ji Hyun Kim),김선임(Sun Im Kim),정은주(Eun Ju Chung),윤범(Beom Yun),김응주(Eung Joo Kim),조혜제(Hye Jae Cho),유영진(Young Jin Yuh),김성록(Sung Rok Kim) 대한내과학회 2001 대한내과학회지 Vol.61 No.4
Lymphoid malignancies have been reported in association with chronic myelogenous leukemia, but the development of chronic myelogenous leukemia and T-cell lymphoma in the same patients is rare. We experienced a case of peripheral T-cell lymphoma developed in the course of chronic myelogenous leukemia. In December 1993, a diagnosis of chronic myelogenous leukemia was made. The patient was treated with hydroxyurea and busulphan. In June 1999, the patient was admitted because of a swelling in right submandibular area and throat pain. He underwent right tonsilectomy. The histologic and immunologic examination of tonsil revealed a peripheral T-cell lymphoma. This case is additional one to a few previously reported cases of concurrence of chronic myelogenous leukemia and T-cell lymphoma. (Korean J Med 61:444-448, 2001)
Polyamine 이 옥수수 자엽초 절편에서 오옥신 이동에 미치는 영향
허윤정(Yoon Jeoung Heo),정은주(Eun Joo Chung),이준승(June Seung Lee) 한국식물학회 1991 Journal of Plant Biology Vol.34 No.4
The effects of polymines on auxin polar transport were studied in corn coleoptile segments. Among putresine, spermidine and spermine tested in labelled auxin transport, spermidine inhibited auxin polar transport most strongly. Its inhibitory effect appeared after 1 h of transport period. Spermidine inhibited labelled auxin and ^14C-benzoic acid accumulation into the tissue in the various pH range tested (pH 4.0-pH 8.0). These results suggest that the inhibition of auxin transport may not be due to decrease in pH by spermine the effect of decreased pH in the extracellular space.