Inhibition of Corticosterone-induced Muscle Atrophy and Reduction in Muscle Protein Synthesis by the Anabolic Steroid Nandrolone Phenylpropionate in Female Rats

Choo,Jong Jae (주종재) 韓國營養學會 1996 Journal of Nutrition and Health Vol.29 No.8

Effects of the Anabolic Steroid, Nandrolone Phenylpropionate, on Growth and Muscle Protein Metabolism in ACTH-treated Rats

Choo,Jong Jae (주종재) 韓國營養學會 1996 Journal of Nutrition and Health Vol.29 No.8

하상경사가 변화는 실험실 데이터를 이용한 Chiu의 유속공식과 Manning 의 유속공식과의 비교분석

추태호(Choo, Tai-Ho),옥치율(Ok, Chi-Youl),이승관(Lee, Seoung-Kwan),제성진(Je, Sung-Jin) 한국산학기술학회 2007 한국산학기술학회 학술대회 Vol.- No.-

현재까지 수리학 분야에서 가장 많이 회자되고 인용된 공식이 있다면 아마도 1890년에 발표한 Manning의 유속 공식이라고 해도 과언은 아닐 것이다. 그만큼 그 쓰임새가 많았을 뿐만 아니라 사용의 편리성과 정확도에서도 매우 우수하였기 때문일 것이다. 그러나, 아무리 우수한 공식이라도 약점이 있듯이, Manning의 유속공식 역시 조도계수n을 추정하는데 많은 어려움이 있는 것도 주지의 사실이다. 이러한 어려움을 극복하기 위하여, 본 연구에서는 확률통계에서 사용되는 엔트로피 개념을 이용한 3차원 유속분포식인 Chiu의 유속공식을 사용하였다. 그러나 지금까지 실증적으로 Chiu의 유속공식과 Manning의 유속공식을 비교분석하였던 논문은 Chiu와 Choo의 논문에서 일부 언급된 것 외 논문에서는 찾아볼 수 없는 것이 현실이다. 따라서 본 연구에서는 하상경사를 임의로 변경 가능한 실험수로를 선택하여 정밀법에 의한 유속측정을 우선 실시하였다. 같은 지점의 같은 단면에서 하상경사(Ө)가 0.000935부터 0.025794까지 28번의 경사변화를 주고 각 경사마다 유량을 측정하여 28개의 유량측정 데이터를, Chiu의 유속공식과 Manning의 유속공식에 각각 적용하여, Chiu의 M과 Manning의 n사이의 관계뿐만 아니라, 하상경사변화에 따른 관련인자들을 함께 분석하였으며, 실측된 평균유속과도 함께 분석하였다.

Relevance of interleukin-10RB to chronic hepatitis B virus infection and biological activities of interferon-貫 and interleukin-22

Cho, O.,Cheong, J. Y.,Jun, K. J.,Kim, S. S.,Chwae, Y. J.,Kim, K.,Park, S.,Cho, S. W. Springer Science + Business Media 2013 Hepatology international Vol.7 No.1

영구치 치수 기질세포를 이용한 연골 분화 및 분화 시기에 따른 형태학적 변화

정주령,김하나,박열,김민정,오영주,신수정,최윤정,김경호 大韓齒科保存學會 2012 Restorative Dentistry & Endodontics Vol.37 No.1

Objectives: The aim was to confirm the stem cell-like properties of the dental pulp stromal cells and to evaluate the morphologic changes during in vitro chondrogenesis. Materials and Methods: Stromal cells were outgrown from the dental pulp tissue of the premolars. Surface markers were investigated and cell proliferation rate was compared to other mesenchymal stem cells. Multipotency of the pulp cells was confirmed by inducing osteogenesis, adipogenesis and chondrogenesis. The morphologic changes in the chondrogenic pellet during the 21 day of induction were evaluated under light microscope and transmission electron microscope. TUNEL assay was used to evaluate apoptosis within the chondrogenic pellets. Results: Pulp cells were CD90, 105 positive and CD31, 34 negative. They showed similar proliferation rate to other stem cells. Pulp cells differentiated to osteogenic, adipogenic and chondrogenic tissues. During chondrogenesis, 3-dimensional pellet was created with multi-layers, hypertrophic chondrocyte-like cells and cartilage-like extracellular matrix. However, cell morphology became irregular and apoptotic cells were increased after 7 day of chondrogenic induction. Conclusions: Pulp cells indicated mesenchymal stem cell-like characteristics. During the in vitro chondrogenesis, cellular activity was superior during the earlier phase (within 7 day) of differentiation.

電子빔勵起 KrF레이저의 出力特性에 대한 시뮤레이숀 解析

李柱熙,崔富淵 慶熙大學校 1985 論文集 Vol.14 No.-

By developing a comprehensive computer simulation code for e-beam excited KrF lasers, we studied mainly the effect of output performance dependence on excitation rate excited by an intense electron beam. Especially for short pulse (<50 ns) and high excitation rate pumping (>2Mw/㎤), and under realizable conditions, it is found to calculated with an intrinsic laser effieiency as a function of excitation rate. The results were compared with some experimental results, and a fairly good agreement was obtained. At an excitation rate of 7 Mw/㎤, and at a total gas pressure of 2 atm, an intrinsic efficiency of up to 10.5% is found to be attainable. We have also calculated the KrF^* production efficiency and the laser extraction efficiency, and explained the output performance in terms of excitation rate.

충주 지역 문화의 발전과 활성화 방안

신춘호 건국대학교 중원인문연구소 2001 동화와 번역 Vol.2 No.-

This study is to seek the best way to establish the independent local(Chungju) literature without the central occupation. To achieve the goal we have to review what the traditional culture in Chungju is and what the local literati Performed up to now. Then we can find the best way to develop and to motivate the local literature. At first, according to the results of this study on traditional culture in Chungju, I found the passion of research on Science, patriotic spirit and creative art spirit and confirmed that filial spirit and the love of home town are the traditional value. Park Jai Ryun, Lee Mu young, Lee hup, Ji bong mun, Cheong ho seong, Kwon tai ung, Hong gu bum are the outstanding literary men who uphold the great tradition before independent. In 1950s Kim tai gil, Cho nam du, Yoo jong ho, Shin kyung lim played an active pert in Poem, essay and criticism. In 1970s and 1980s Yang chai young, Chung gun seob and Lee kye sang and 1990s Kim chang sik and Kim young gyo played important role in local literature. With these results we can say that the basis of the literature in Chungju is wide and deep. With the recognition of reality, I propose the following 5 ways to develop the Chung ju literature. First, Know the traditional culture clearly and succession of that. Second, Restructure and merge the literary organizations Third, Get the cooperation of related organizations and secure the publication media. Forth, Let students participate in this process. Fifth, Enhance the position of Chungju literature and the cooperation with central literary organizations. Moreover we have to conduct this development project with clear map. This project should include the short term, mid term and long term action plan and the cooperation plan with cheongju and central literary organizations in detail. Consequently, To develop and activate the Chungju liter·attire, the local literati has to start from the recognition of the traditional culture and enhancement of the spirit of succession. And the local literati should restructure the current organizations and secure the publication media. To archive the development of Chungju literature, the perfect planning and execution should be essential point.

여성성을 바탕으로 한 보살핌의 윤리와 환경교육

김추령 이화여자대학교 교육대학원 2004 이화교육논총 Vol.14 No.-

This thesis defines what an ethic of care is and how important it is. Furthermore, this thesis analyzes education goals, contents and teaching -learning methodologies represented in the environment of middle school curriculum and ecology and the environment of high school curriculum. In addition to this thesis investigates what unit cna be applied to and ethic of care The results of the research are as the following. 1. The goal of the environmental educatio must be geared to goals of an ethic of care 2. The analysis of teaching-learning methodologies and teaching instances concludes that the environmental educationfocusing value must collect the information in terms of the nature and from the perspective of an ethic of care. 3. The teaching-learning methodologies through an ethic of care must include hands-on experiences using organs of senses, which help recognize the intrinsic value of nature and bring about engrossment and sympathy. 4. The contents of the environmental education must reflect an ethic of care specifically and this ethic needs to be applied to the concluding part of each section, that is, the part which presupposes the practice and degignates who is to be cared.

産業場 勤勞女性의 貧血에 관한 硏究

金周成 淑明女子大學校 1979 論文集 Vol.19 No.-

Iron deficiency anemia is generally much the common type of anemia and it is very prevalent particularly in women and infants. The principal causes of iron deficiency anemia are an inadequate dietary iron content, poor absorption of iron from the intestine and excessive losses iron from the body. Loss of blood is really the only way in which significant amounts of iron can leave the body after absorption into the blood stream. Such loss may be through blood donations, abnormal hemorrhage resulting from casualities or illness, and in women through menstration. Menstration results in an iron loss that is of such magnitude that care must be taken to provide a sufficient amount of the mineral in the diet for replacement. The extent of loss varies widely from person to person. In a study of all of the data in the literature in 1949, Frenchman, R., et. al., found that almost one-half the women lost 0.5mg or less per day; 15 percent lost more than 1.2mg per day-an average spread over all days, not just for the menstrual period. Many studies were reported, so far, concering the anemia of Korean infants and young children but the research on the anemia of women is very few. This study is planned to obtain informations concering the anemia in female factory workers of the age groups from 16 years to 23 years. An investigation was conducted from March 1977 to April 1979 on 2,155 female factory workers in Korea. The results were summarized as follows: 1. The mean hemoglobin value was 11.9±2.4 gm/dl 2. No significant age differences were observed in hemoglobin level in the each subjected groups. 3. It is found that 41.5% of subjected girls had Hb level of less than 12.0gm/dl. 4. The mean hematocritocrit value was 36.4±2.6% and 36.5% of subjects had hematocrit level less than 37.0%

도시생활하수 특성 분석에 관한 연구

문추연,이동섭 경운대학교 산업기술연구소 2002 産業技術硏究論文誌 Vol.5 No.1(A)

The purpose of this study is characteristic analysis of municipal sewage with source(union, business, combination and individuality). In the analysis results of union sample, average concentration in business area of TBOD, TCOD_Mn and TCOD_Cr were 190㎎/l, 83㎎/l and 336㎎/lℓ, respectively. And TCOD_Cr /TBOD ratio was 1.8. TBOD of union sample from individuality house area was 99㎎/l. In the analysis results of business area sample, average concentration of TBOD, TCOD_Mn and TCOD_Cr were 127㎎/l, 83㎎/l and 243㎎/l, respectively. Average concentration of T-N was 51.8㎎/l. In the analysis results of combination house area sample, average concentration of TBOD was 128 and TCOD_Cr /TBOD ratio was 1.7. In the analysis results of individuality house area sample, average concentration of TBOD, TCOD_Mn and TCOD_Cr were 87㎎/l, 46㎎/l and 218㎎/l, respectively, and TCOD_Cr /TBOD ratio was 2.5.