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      • 순간수위변화 및 양수시험을 통한 수리상수 추정의 문제점 분석

        이진용,이강근,정형재,배광옥 한국지하수토양환경학회 1999 지하수환경 Vol.6 No.1

        순간수위변화 및 양수 시험은 현장에서 대수층의 수리상수 추정을 위해 널리 사용되는 수리시험이다. 그런데 이런 수리시험을 수행하고 그 결과를 해석함에 있어서 다양한 오차 및 불확실성 요인이 있음에도 불구하고 이에 대한 심각한 고려가 많지 않았다. 본 연구에서는 양수 및 순간수위 변화시험을 다수의 동일 관정에서 반복 수행하고 그 결과를 다각적으로 검토함으로써 두 수리시험에 개입될 수 있는 오차 및 불확실성 요인을 분석하였다. Slug and pumping tests have been widely used to obtain hydraulic parameter estimates in the field. Although a variety of sources of error and uncertainty can be involved in the course of the test performance and data analysis, serious considerations on these sources are often neglected. In this study these various sources of error and uncertainty are analyzed or discussed using repeated slug and pumping test data and some guide lines are suggested to improve quality of parameter estimates from the slug and pumping tests.

      • KCI등재

        에스트로겐이 인간의 자궁근종조직과 정상 자궁근조직내 인슐린유사 성장인자 결합단백질들의 전령리보핵산 발현에 미치는 영향

        이진용,김정구,김성수 대한산부인과학회 1998 Obstetrics & Gynecology Science Vol.41 No.1

        Uterine leiomyoma is the most common female reproductive tract tumor during reproductive years. Estrogen has been implicated the most important factor in leimyoma growth. Recently studies have also implicated insulin-like growth factor(IGF)s in leiomyoma growth and as one of possible mediators of action of estrogen in the tissues. IGF binding proteins (IGFBPs) may modulate IGF actions and have IGF-independent actions at their target tissues. The purpose of this study are to compare the expression of IGFBPs mRNA in leiomyoma and normal mymetrium and to evaluate the effects of endogenous estrogen on the these IGFBPs mRNA expression. We determined the presence and relative abundances of mRNA encoding IGFBP-1 - IGFBP-6 in thetissues of leiomyoma, myometrium adjacent leiomyoma and normal myometrium from women during late proliferative phase of menstrual cycle, and tissues of leiomyoma from women treated with a gonadotropin releasing hormone agonist(GnRHa) by Northen blot. All IGFBPs mRNA expression but IGFBP-1 were detectable in leiomyoma, adjacent myometrium and normal uterus myometrium. The order of relative abundance of IGFBPs mRNA was IGFBP-4 > IGFBP-5 > IGFBP-2 > IGFBP-3 > IGFBP-6. There was an signiticant increase in the relative abundance of IGFBP-4 mRNA in leiomyoma compared to adjacent myometrium uterus myometrium but the relative abundances of other IGFBPs mRNA were not different. The relative abundance of IGFBP-3 and IGFBP-5 mRNA in leiomyoma preexposed in vivo to GnRHa were ficantly higher than that in leiomyoma unexposed to GnRHa. However, there was no significant differences n the relative abundance of IGFBP-2, IGFBP-4 and IGFBP-6 mRNA in between GnRHa- preexposed and -unexposed leiomyoma. These data support that IGFBP-3, IGFBP-4, and IGFBP-5 may be involved in leiomyoma growth and that IGFBP-3 and IGFBP-5 mRNA expression are dependent on the in vivo estrogen status and that GnRHa may act via estrogen - IGFBP system.

      • KCI등재

        어린이 급식소 특성에 따른 위생·안전관리 수행도 비교

        이진용,Lee, Jin-Young 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.4

        The objective of the current study was to compare the execution of hygiene and safety management according to the characteristics of children's food service stations, with the ultimate objective of providing sanitary and safe food service to children. To this end, the study conducted surveys of 73 public and private pre-schools with fewer than 100 children in district A from July 30 to October 31 2015. The differences were evaluated by t-test and analysis of variance. The confidence and validity of the results were analyzed by six food ingredient and facilities management questions, three personal hygiene and facilities management questions, four environmental management questions, and five storage and treatment management questions; for a total of 18 questions. The cumulative distribution of the four factors was 61.569%, and the Cronbach's alpha was 0.821, which indicated that the results were reliable. The results revealed that public pre-schools (a) and home-based pre-schools (b) had different levels of food ingredient and facility management, but no differences in the number of cooks, number of children served, type of food distribution, and the existence of mass food service facilities. The results of the study may be used to develop hygiene and safety management manual and educational contents to promote the health of the children served.

      • KCI등재

        어린이 급식소 위생·안전관리 수행 도구 개발

        이진용,Lee, Jin-Young 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.2

        The current study was conducted to facilitate appropriate hygiene and safety management in children's food service stations, with the ultimate objective of providing sanitary and safe food service to children. In order to develop questionnaire items, literature review was conducted, in addition to detailed interview of working-level personnel at a children's food service management support center. This resulted in a total of thirty questions on personal hygiene management, food materials hygiene management, and facilities hygiene management. Using the questionnaire, seventy-one food service stations for children in District A in Seoul that serve less than one hundred children were surveyed to analyze the reliability, construct validity, and correlation in the developed measurement tool. The developed measurement tool consisted of ten task and environmental hygiene management questions, five personal and cooking hygiene management questions, four food ingredient and storage hygiene management questions, and four food service operation and management question; with a total of twenty-three questions, in four factors stated above. The cumulative distribution of the four factors was 54.698%, and Cronbach's ${\alpha}$ value was 0.672~0.853, which indicated that the study was reliable. The results of the analysis indicated that each of the factors were correlated, the study was satisfactory, and the tool was valid for evaluating hygiene and safety management practices in children's food service stations. Finally, in order to enhance practical utility of the developed measurement tool, the significance and limitations were described.

      • KCI등재

        揚雄과 葛洪의 ‘玄’ 개념 비교 연구(2) - 우주구조론을 중심으로

        이진용 한국철학사연구회 2014 한국 철학논집 Vol.0 No.42

        이 글의 목표는 揚雄과 葛洪의 ‘玄’ 개념을 우주구조에 관한 이론을 중심으로 살펴보는 것이다. 고대 중국의 우주구조론은 ‘天’에 대한 이해로부터 출발하여, 천체의 구조, 천지의 구조 및 위치관계 등의 문제를 통해 漢代에 그 이론이 체계적으로 정립되었다. 다만 중국 전통시기의 우주구조에 관한 논의는 대부분 天文과 曆法을 통해 발전했듯이, 인간의 관점에서 인간사를 해명하기 위해 전개되었다. 양웅과 갈홍 또한 이러한 맥락에서 각자의 우주구조론 체계를 정립하는데, 그 특징은 다음과 같다. 첫째, 양웅은 우주구조론가운데 蓋天說을 비판하며 渾天說을 수용하여 발전시켰고, 갈홍은 혼천설을 지지하는 가운데 宣夜說의 일부 논의를 수용하였다. 둘째, 양웅과 갈홍의 우주구조론은 그들의 우주생성론의 이론적 출발점이다. 천체의 구조와 천지의 위치관계를 다루는 우주구조론을 중심으로, 그들은 각자 우주만물 생성의 근원과 생성과정에 대한 논의를 전개한다. 이 과정에서 두 학자 모두 ‘玄’ 개념을 중심축으로 하여 우주론 체계를 건립하였다. 셋째, 양웅과 갈홍의 우주구조론은 그들 철학체계를 지탱하는 이론적 전제가 된다. 양웅은 우주구조에 관한 논의를 통해 天道와 人事의 관계를 모색하고, 갈홍은 우주구조론을 활용하여 신선도교 이론체계를 정립한다. 이처럼 양웅과 갈홍의 우주구조론은 우주생성론과 함께 우주론 체계의 중요 구성 요소가 되며, 두 학자 모두 ‘현’ 개념 중심의 우주구조론과 우주생성론을 바탕으로 각자의 철학체계를 정립하였다. This paper aims to examine the meaning of ‘Xuan(玄)’ in the cosmology and astronomy, especially in the view of Yang-xiong(揚雄) and Ge-hong(葛洪). The cosmology of the ancient China has opened a discussion about the Tian(天), through the discussion about the celestial structure, the structure and the location relation of the heaven & earth, in the Han-dynasty has been found a systematic theory. But in the ancient Chinese philosophy, the cosmology has been developed in the field of the astronomy & the Oriental calendar. In this context, Yang-xiong(揚雄) and Ge-hong(葛洪) have founded the system of the cosmology, it is as in the following. First, Yang-xiong criticized sharply the theory of Gaitian(蓋天說) and advanced the theory of Huntian(渾天說). And Ge-hong support the theory of Huntian(渾天說) and also accepted the theory of Xuanye(宣夜說). Second, Yang-xiong(揚雄) and Ge-hong(葛洪)'s cosmology is regarded as the theoretical premise of their cosmogony. As the discussion about the celestial structure, the structure and the location relation of the heaven & earth, both scholar discussed about the cause of creation, the differentiation process. And in the this context, they founded the cosmology as the concept 'Xuan'. Third, the concept ‘Xuan’ in the both scholar forms a philosophical system. Yang-xiong insisted that the concept ‘Xuan’ is the basis of the universe, the human-being and the society. While through realizing the concept ‘Xuan’, Ge-hong tried to pursue the human-being’s agelessness and the eternal life. In this way, their view point of the cosmology is comprised of cosmogony & astronomy. With this perspective, they are going to found the system of their own philosophy.

      • SCOPUSKCI등재

        소아연령에서 Hydronephrosis 의 임상적 관찰 및 치료법에 대한 고찰

        이진용,김병길,이재승,박희대,최승강 대한신장학회 1984 Kidney Research and Clinical Practice Vol.3 No.2

        Hydronephrosis may be defined as a condition in which an increased intrarenal capacity is asso- ciated with residual urine in the renal pelvis due to either anatomic or functional obstruction of the urinary tract below the pelvis. A clinical observation was,performed on the 46 cases of hydronephrosis confirmed hy pathologic reports, operative findings and IVP, who were admitted to Severance and Youngdong Hospital from January 1979 to December 1983 and the follo- wings were obtained; 1) The most prevalent age was below 1 year after birth as 37% of the total patients, and male to female ratio was 2: 1. 2) The incidence of pathologic side was twice as common in left side as the right and 30% of the total cases were bilateral. The most frequently affected site was ureteropelvic junction. 3) The symptoms and signs on admission were G-U trouble(43%) fever(30%), flank pain(26%), abdominal mass or distention(22%), G-I trouble (13%), and so on. 4) The incidence of abnormal urinalysis findings on admission was 32 cases(70%). 5) Other associated diseases in G-U tract were found in 25 cases(54%) and the most frequent dis- ease was vesicoureteral reflux. 6) Operation was performed in 34 cases(74% ) and in these cases, about one third was received ureteropyeloplasty. Postoperative complications were found in 2 cases(7.4%) at follow-up.

      • KCI등재후보

        葛洪≪抱朴子外篇≫的自然觀探討

        이진용 한국철학사연구회 2007 한국 철학논집 Vol.0 No.20

        A Study on the system of natural perspective of Ge-hong's Baopuzi-waipian / Lee, Jin-yong 갈홍 포박자외편의 자연관 고찰 / 이 진 용

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