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김민경,노선숙,유현주,조성민,차인숙 이화여자대학교 사범대학 교과교육연구소 2001 교과교육학연구 Vol.5 No.1
21세기 지식기반사회는 자기 주도적으로 정보를 처리하고 해석하며 판단하는 능력과 지적 가치를 창조할 수 있는 능력을 길러주는 학교수학 교육을 요구하고 있다. 이에 수학교육과정에 담겨져야 할 수학적 지식의 구조․내용․범위, 지식기반 사회에 적합한 수학과 교수-학습, 평가, 교사역할 등 역시 새로운 관점에서 재조명될 필요가 있으며, 이러한 연구는 학교 현장에 대한 이해에서 출발하고 개인의 필요성과 사회의 요구를 반영한 것이어야 한다. 이에 본 연구에서는 지식기반사회에 대비하기 위한 수학과 교육과정 개발 연구의 기초 단계로 교사, 학생, 학부모를 대상으로 현장 설문 조사를 전국 규모로 실시하였다. 설문 조사는 Goodlad의 학교 교육과정 탐구의 개념적 구도를 바탕으로 한국 교육의 실정을 반영하여 설계되었다. 수학 교육과정 실체의 다양한 국면을 조사하기 위한 설문 내용은 목적 및 목표, 교과내용, 교수-학습방법, 평가, 수학적 지식의 성격, 교육정보화, 교사교육, 사교육, 교육과정일반으로 구성되었다. 본 고에서는 Goodlad의 교육과정 탐구모형과 그 모형에 기초하여 작성된 본 연구의 수학교육과정 탐구모형, 실시된 설문조사의 방법 및 절차를 소개하였고, 설문조사의 주된 결과를 토대로 수학교육과정 개발연구에의 시사점을 찾고자 하였다. This study is to provide suggestions for the development of better mathematics curriculum model of Korea based on a national survey of teachers (527), students (1314), and parents (638). It is our belief that understanding the perceptions and experiences of those involved in the process of teaching and learning of mathematics education needs to be the first priority in any effort to explore better mathematics curriculum model. For the study, Goodlad's conceptual system for curriculum inquiry has been used, but modified to take into account Korean context and the nature of mathematics curriculum. In this paper we introduce the Goodlad's curriculum inquiry model and mathematics curriculum inquiry model based on the Goodlad's conceptual system as well as the survey process. We made few recommendations from the main results of the survey for the research and development of mathematics curriculum model in Korea.
조성만,유상호,박병선,민일규,민병형 東亞大學校 海洋資源硏究所 2002 硏究論文集 Vol.14 No.1
As the roughness coefficient by existing manning table is used by technician's experience and judgement, it isn't always correct. This study as a try to make quantitative roughness coefficient is to suggest a new application mode computerizing roughness coefficient by surveying the velocity and hydraulic condition of small rivers. The bound of roughness coefficient was 0.027∼0.180 and its values distribute uniformly. This means that the roughness coefficient adapt value Manning table cannot fill up the transformed value when the small rivers are low. The roughness coefficient computation mode in this study with hydraulic radius(R), channel slope(I), average grain diameter(D) as subject factors presents as follows. n = 5.97R^0.671 l^0.452 D^0.059
수축저감제 혼입률 변화에 따른 콘크리트의 공학적 특성에 관한 연구
한민철,金光華,정규문,정평유,윤성노,한천구 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
In this paper, tests are carried out using concrete incorporating shrinkage reducing agent(SR) in order to investigate the engineering properties of concrete. The contents of SR and W/C are varied. According to test results, as for fresh concrete, as SR content increases, slump and air content shows decline tendency, and setting time is accelerated with increase of SR content and decrease of W/C. As for compressive strength, as SR contents increases compressive strength shows to be decreased. As for the effect of SR on drying shrinkage, it shows to be reduced with increase of SR content. This is due to the reduced surface tensile strength of water and tensile strength of capillary pore in concrete.
양성민,유대훈,송경동,강주선 경성대학교 생산기술연구소 1996 생산기술연구지 Vol.3 No.-
This research is performed for the purpose of helping small and medium enterprises in Pusan Korea through developing a Total Scheduling Module(TSM) considering their practical environments. The TSM consists of four sub-modules : a basic information sub-modules, a marketing information sub-module, an inventory control sub-module and a production control sub-module. And the TSM is developed for Network version under Client/Server environment.
신이식 환자에서 자발적으로 발생한 저구연산뇨증 연관성 요관 결석로
나정구,공성민,이동규,김성민,장윤정,김성록,이유지 이화여자대학교 의과학연구소 2015 EMJ (Ewha medical journal) Vol.38 No.3
Urolithiasis is an uncommon complication in renal transplantation. We report a case of hypocitraturia-related ureteral steinstrasse which was spontaneously formed in a renal transplant recipient. The patient who underwent renal transplantation was admitted with acute pyelonephritis. Hydronephrosis in the transplanted kidney and multiple stones (steinstrasse) in the distal ureter were incidentally found on computed tomography scanning. After a failed attempt of ureteroscopic removal of stones, the patient underwent open ureterolithotomy and ureteroureterostomy. On stone analysis, carbonate apatite was confirmed. Urinary citric acid levels were decreased to 127.6 mg/day. Potassium citrate was administered to prevent stone recurrence by increasing urinary citrate excretion. No recurrence of stones was shown six months later. Urolithiasis in renal transplant recipients requires a high index of suspicion. Hypocitraturia can increase the risk for urolithiasis. Rapid recognition by careful surveillance, prompt removal of stones, and precautionary efforts to prevent recurrence are needed.
동종 조혈모세포이식 후 발생한 크립토콕쿠스 척추염 1예
고윤호,임동준,이성수,조유경,이동건,최정현,김유진,민창기,김동욱,박정미,김춘추,신완식 대한감염학회 2001 감염 Vol.33 No.4
Skeletal cryptococcosis is an uncommon infection. Cryptococcus is a common cause of meningitis and infects 7∼10% of patients with AIDS. As well as AIDS, the infection may be seen in association with leukemia, lymphoma, Hodgkin's disease, sarcoidosis, tuberculosis and diabetes, also in patients on steroid medication. But there is no case report of skeletal cryptococcosis following allogeneic hematopoietic stem cell transplantation. A 40-year-old woman was admitted to the hospital because of low back pain. She had chronic myelogenous leukemia for 2 years and underwent allogeneic hematopoietic stem cell transplantation 8 months ago. She have been treated with steroid and cyclosporine orally because of chronic graft versus host disease. On examination she was afebrile and had posterior lower lumbar tenderness. But, she had no reduced strength of low extremities. Open biopsy was underwent. Histology demonstrated budding, round-to-oval, refractile yeast-like organisms within debris. The results of a lumbar puncture were unremarkable and cerebrospinal fluid culture failed to grow bacteria and yeast. The patient was treated with amphotericin B (1 gram) and AmBisome□ (2.8 gram) over 6 weeks. Three months after cessation of therapy, the patient was doing well.(Korean J Infect Dis 33:298∼301, 2001)
( Seong-deok Lee ),( Kyung-lee Yu ),( Seong-hyun Park ),( Yu-mi Jung ),( Min-jeong Kim ),( Ji-chang You ) 생화학분자생물학회(구 한국생화학분자생물학회) 2018 BMB Reports Vol.51 No.8
The activating transcription factor (ATF) 4 belongs to the ATF/CREB (cAMP Response Element Binding bZIP [Basic Leucine Zipper]) transcription factor family, and plays a central role in the UPR (Unfolded Protein Response) process in cells. The induction of ATF4 expression has previously been shown to increase the replication of HIV-1. However, the detailed mechanism underlying this effect and the factors involved in the regulation of ATF4 function are still unknown. Here, we demonstrate first that knocking out ATF4 using siRNA shows a strong negative effect on HIV-1 production, indicating that ATF4 is a functional positive cellular factor in HIV-1 production. To determine the mechanism by which ATF4 regulates the HIV-1 life cycle, we assessed the effect of the overexpression of wild type ATF4 and its various derivatives on HIV-1 LTR-mediated transcriptional activation and the production of HIV-1 particles. This effect was studied through co-transfection experiments with either reporter vectors or proviral DNA. We found that the N-terminal domains of ATF4 are involved in HIV-1 LTR-mediated transcriptional activation, and thus in HIV-1 production. [BMB Reports 2018; 51(8): 388-393]
Investigation of functional roles of transcription termination factor-1 (TTF-I) in HIV-1 replication
( Seong-hyun Park ),( Kyung-lee Yu ),( Yu-mi Jung ),( Seong-deok Lee ),( Min-jeong Kim ),( Ji-chang You ) 생화학분자생물학회(구 한국생화학분자생물학회) 2018 BMB Reports Vol.51 No.7
Transcription termination factor-1 (TTF-I) is an RNA polymerase 1-mediated transcription terminator and consisting of a C-terminal DNA-binding domain, central domain, and N-terminal regulatory domain. This protein binds to a so-called ‘Sal box’ composed of an 11-base pair motif. The interaction of TTF-I with the ‘Sal box’ is important for many cellular events, including efficient termination of RNA polymerase-1 activity involved in pre-rRNA synthesis and formation of a chromatin loop. To further understand the role of TTF-I in human immunodeficiency virus (HIV)-I virus production, we generated various TTF-I mutant forms. Through a series of studies of the over-expression of TTF-I and its derivatives along with co-transfection with either proviral DNA or HIV-I long terminal repeat (LTR)-driven reporter vectors, we determined that wild-type TTF-I downregulates HIV-I LTR activity and virus production, while the TTF-I Myb-like domain alone upregulated virus production, suggesting that wild-type TTF-I inhibits virus production and trans-activation of the LTR sequence; the Myb-like domain of TTF-I increased virus production and trans-activated LTR activity. [BMB Reports 2018; 51(7): 338-343]