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      • KCI등재후보

        DAP 신념에 근거한 유아과학 교수·학습모형의 현장적용 효과

        이정화,이미은 미래유아교육학회 2003 미래유아교육학회지 Vol.10 No.4

        DAP(Developmentally Appropriate Practice)는 유아교육실제의 질을 진단ㆍ평가하는 타당한 기준으로 인정받고 있을 뿐 아니라 유아교육과정의 설계나 프로그램 개발에 고려해야 할 준거로 널리 활용되고 있다. 본 연구는 DAP 신법에 근거하여 만들어진 절차화된 유아과학 교수ㆍ학습모형(이정화, 2002)을 유아교육 현장에 적용하여 그 효과를 검증해 보고자 하였다. 이를 위해 연구자들은 두 가지 교수학습방법(DAP 신념에 근거한 유아과학 수업모형과 전통적 수업모형)을 적용한 과학활동 프로그램을 구성, 처치한 후 유아들의 과학적 호기심 및 과학적 과정 기능의 향상 정도를 살펴보았다. 연구결과 DAP 신념에 근거한 절차화된 유아과학 교수ㆍ학습모형에 의한 과학활동 프로그램에 참여한 유아들이 전통적 교수법에 의한 과학활동 프로그램에 참여한 유아들보다 유의하게 높은 향상을 보였음이 확인되었다. The purpose of this study was to examine the effects of a developmently appropriate model of teaching science(DAP model) which is developed by Lee Jeong-Hwa(2002) on children’s curiosity and scientific process skills. Two research questions were made from the review of the literature, as follows ; 1. Are there any differences in science curiosity between children in an experimental and a control group? 2. Are there any differences in science process skills between children in an experimental and a control group? To answer the questions, forty five-year-old children attending a preschool in Busan participated in this study. They were randomly assigned to either an experimental or a control group. Children in the experimental group, took part in eight 40~45 minute sessions of science program based on the DAP model; whereas, their counterparts in the same sessions of a traditional science program. After the sessions of each program, all children were tested on the science processing skill test and the science curiosity test. The children who took the DAP model received higher achievement than their counterparts on curiosity and scientific process skills. From the results, the researchers suggest to apply the DAP model of teaching science for young children in the education field.

      • 1995-96년 한반도 남동부 지역의 미소지진 자료를 이용한 지각구조 모델의 비교 연구

        이기화,정태웅,Lee, Gi Hwa,Jeong, Tae Ung 한국지구물리물리탐사학회 1999 지구물리 Vol.2 No.1

        한국자원연구소 지진관측망의 1995-96년 미소지진 자료를 바탕으로 한반도 남동지역의 지각구조에 대하여, Lee (1979), 김상조·김소구(1983), 김성균·정부흥(1985)의 세 지각 모델 중 어느 것이 잔차의 최소자승을 만족하는지 검증하였다. 세 모델 잔차의 뚜렷한 차이가 관찰되지 않았으나, Lee 의 지각 모델이 약간 깊은 진원을 산출하는 경향이 있다. 한반도 지각의 층상구조는 아직 명백하지 않으므로 앞으로 더 많은 자연지진 자료 또는 인공지진 자료를 통해서 규명되어져야 한다. Using the microearthquake data acquired from 1995 to 1996 through the seismic network operated by the Korea Institute of Geology, Mining & Materials (KIGAM), the three P-wave velocity models proposed by Lee (1979), Kim·Kim (1983) and Kim·Jung (1985) concerning the structure of the southeastern part of the Korean peninsula were examined in terms of the least square errors of the P-wave arrival times. The three models do not differ significantly in arrival time residuals except that the Lee's model gives slightly deeper focuses than the others. The layering of the crust of the peninsula is not clear as yet and to be studied by more earthquake and explosion data in the future.

      • KCI등재

        Plant regeneration from callus of Iris odaesanensis Y. N. Lee native to Korea via organogenesis

        Bae, Kee-Hwa,Yoo, Kyoung-Hwa,Lee, Mi-Hyun,Jeong, Jae-Hun,Choi, Yong-Eui,Yoon, Eui-Soo The Korean Society of Plant Biotechnology 2013 식물생명공학회지 Vol.40 No.3

        Iris odaesanensis Y. N. Lee. is an important endangered and native plant belonging to the family Iridaceae in Korea. This study describes a method for rapid micropropagation of this species via from leaf, rhizome and root explants derived calli. Leaf, rhizome and root explants were cultured on Murashige and Skoog (MS) medium supplemented with 2,4-dichlorophenoxy acetic acid (2,4-D) for callus induction. Rhizome explants yielded calli at a frequency of 72% when cultured at 1.0 mg/l 2,4-D. Calli were maintained at 1.0 mg/l 2,4-D. These calli were transferred to MS medium supplemented with 0, 0.5, 1.0, and 2.0 mg/l 2,4-D in combination with 0, 0.5, 1.0, and 3.0 mg/l BA for adventitious shoot induction. The highest number of adventitious shoot (228.9 per petri-dish) were formed at 1.0 mg/l 2,4-D and 1.0 mg/l BA. WPM medium was the best to convert calli into plantlets, where up to 98.2% of calli were regenerated into plantlets. This in vitro propagation protocol should be useful for conservation of this endangered plant.

      • KCI등재

        화병(火病)을 동반한 갱년기 환자 치험 5례

        송유림 ( Yu-rim Song ),박경미 ( Kyung-mi Park ),양승정 ( Seung-jeong Yang ),이은규 ( Eun-kyu Lee ),김혜화 ( Hye-hwa Kim ),조성희 ( Seong-hee Cho ) 대한한방부인과학회 2016 大韓韓方婦人科學會誌 Vol.29 No.4

        Objectives: The purpose of this study is to evaluate the effects of Korean traditional treatments for Climacteric Syndrome Patients with Hwa-Byung. Methods: From February 2015 to May 2015, We treated 5 Cases Patients with Korean traditional treatments for a month. We measured treatment effects by Menopause Rating Scale (MRS), Beck`s Depression Inventory (BDI), Visual Analogue Scale (VAS) and Digital Infrared Thermal Imaging (DITI). Results: After treatment, First, the scores of MRS, BDI were decreased. Second, the symptoms such as hot flush, pantalgia, palpitation, insomnia, fatigue were significantly improved. Also, the difference of ?中 (CV17, Danjung) and 關元 (CV4, Guanyuan) temperatures were significantly decreased after treatment. Conclusions: This study suggests that Korean traditional treatments such as Gamicheonglijagam-hwan, acupuncture, moxibustion are effective on Climacteric Syndrome Patients with Hwa-Byung.

      • 고요산혈증의 위험인자 : 아산시 지역 주민을 대상으로

        김용배,장원기,황보영,김화성,안규동,이병국,이용진,이종은,이준숙,이찬구,이한정,이성수 순천향대학교 2006 Journal of Soonchunhyang Medical Science Vol.12 No.1

        Objective : Serum uric acid has now been identified as a marker for a number of metabolic and hemodynamic abnormalities. The aim of this study is to evaluate risk factors which influence hyperuricemia in the citizens of Asan. Method : The study design was cross-sectional and research subjects were 1086 citizens of Asan. General characteristics, cigarette smoking, alcohol consumption, and past history were obtained by interview using a structural questionnaire. Also, we measured height, weight and blood pressure, and serum uric acid of the subjects. Results : The mean serum uric acid level was 5.27 ㎎/㎗ in men and 4.01 ㎎/㎗, in women, In the multiple logistic regression analysis, statically significant risk factors of hyperuhcemia were gender, body mass index, blood lead concentration, and serum creatinine. Conclusion : Our results suggest that gender, body mass index, blood lead concentration, and serum creatinine might be the most important risk factors of hyperurcemia. Education program as well as routine check-up for serum uric acid was highly recommended for the effective prevention of hyperuricemia.

      • KCI등재

        청간소요산으로 호전된 설통 환자 3례

        김연진,양승보,김정화,이상화,조승연,박성욱,박정미,고창남,Kim, Yeon-jin,Yang, Seung-bo,Kim, Jeong-hwa,Lee, Sang-hwa,Cho, Seung-yeon,Park, Seong-uk,Park, Jung-mi,Ko, Chang-nam 대한한방내과학회 2017 大韓韓方內科學會誌 Vol.38 No.4

        Objectives: This clinical study reports the effects of Cheonggansoyo-san (CSS) on three patients with glossodynia. Methods: Three patients with glossodynia were treated with CSS (i.e., an herbal medicine) and acupuncture. Numeric rating scales (NRSs) for glossodynia and dry mouth and hwa-byung questionnaire scores were evaluated, and the results from heart rate variability (HRV) evaluations were analyzed. Results: After treatment with CSS, three patients' glossodynia symptoms, such as burning sensations, tingling, and numbness of the tongue, were improved. NRS ratings for glossodynia and dry mouth and the hwa-byung questionnaire scores also improved, and HRV parameters were closer to the normal range. Conclusion: Cheonggansoyo-san could be used to treat glossodynia.

      • 일회통과 관류실험시 물의 수송 : 관류액의 종류와 삼투압의 영향 Effects of Some Perfusates and Their Osmolality

        이정화,이현주,용철순,오두만 영남대학교 약품개발연구소 1995 영남대학교 약품개발연구소 연구업적집 Vol.5 No.-

        The single pass perfusion experiments were performed in anesthetized rata to investigate the effects of perfusates and their osmolality on the water transport and to determine the correlation between the extent of water transport and the volume change of perfusate. Phenol red was used as a nonabsorbable marker. In normal rats, when perfused at a flow rate of 0.5 ml/min 2-(N-morpholino) ethanesulfonic acid (MES) aid Sorensen's phosphate hullers showed minimal net water transport as 0.125 and 0.173 %/cm of intestinal length, respecetively. Hypotonic perfusate of 200 mOsm㎏ of water and hypertonic perfusate of 400 mOsm/㎏ of water generated significant water transport compared with isotonic perfusate of 300 mOsn/㎏ of water. There was a linear correlation between the attent of water transport and the volume change of perfusate, suggesting that the volume change can be used as a measure of water transport.

      • KCI등재후보

        부산시 일개구 지역주민의 위암선별검사 수검 및 반복수검 실태 및 관련요인조사

        정인숙,배은숙,천동환,전진호,이화자,박남희 韓國保健敎育.健康增進學會 2003 보건교육건강증진학회지 Vol.20 No.1

        The importance of repeat screening for stomach cancer is well known to decrease deaths from stomach cancer. This study was aimed at assessing practice behaviors and to identify related factors in the aspects of demographic factors, health status and cancer risk recognition, attitude to cancer screening, health behaviors, and inhibiting or facilitating factors to stomach cancer screening in an urban area. Data was collected through self-administered questionnaires from 403 people aged 40 to 69 years from April 23th to May 15th, 2002. Practice behaviors were classified as :"ver"r "ver"and "peat"r "t repeat"rouped based on a recent 5 year screening history. The results were as follows: 1. Among the 403 subjects: "e ever group"as 23.8% and "e repeat group"as 4.0%. The rates of screening were 20.5% for men, 27.8% for those women, and 27.3% for aged 40-49, 24.5% for those aged 50-59, 19.0% for those aged 60-69. The rates of repeat screening were 4.0% for men, 4.1% for women, and 2.9% for those aged 40-49, 6.3% for aged 50-59, 2.5% for those aged 60-69. 2. The main factors associated with adherence to gastric cancer screening were education(post high school vs below : OR=2.44), previous cancer screening(yes vs no : OR=2.61), belief in personal health(no vs yes : OR=2.72), health status(unhealthy vs healthy : OR=3.40), possibility of cancer compared to others(low vs not low : OR=2.56), and regular exercise(yes vs no : OR=2.94). The main factor associated with adherence to gastric cancer repeat screening was other cancer screening (yes vs no : OR=6.33). Consequently, there is a need to change the recognition of the importance and necessity of stomach cancer screening in healthy conditions through health education, and to perform multiple screening tests each visit.

      • Indomethacin-Ethylcellulose Microcapsules의 용출 특성에 관한 연구

        이화정,구영순 梨花女子大學校 藥學硏究所 1993 藥學硏究論文集 Vol.- No.3

        Indomethacin-ethylcellulose microcapsules(IDM-MC) were prepared by solvent evaporation method using sod. lauryl sulfate(SLS) as a surfactant. In case of IDM-MC prepared with various rations of ethylcellulose(EC) and polyethylene glycon 4000(PEG 4000) in 0.25% SLS solution, drug content of IDM-MC were 17.80% to 21.25%, while those of IDM-MC prepared using EC in various concentrations of SLS solution were 11.25% to 16.06%. Scanning Electron Microgram showed that the IDM-MC were almost spherical and had pores on the surface. Particle size distributions of IDM-MC were relatively regular. The dissolution rates of IDM from the IDM-MC retarded considerable compared with that of IDM powder; the dissolution of IDM was more than 90% within 1 hour, but those of IDM from IDM-MC were about 20 to 70% within 24 hours. And, the dissolution of IDM from IDM-MC prepared with EC: PEG 4000=1:1 and stirred in 30(w/w)% glycerin solution was more twice than those of IDM from IDM-MC prepared without PEG 4000.

      • QFT를 이용한 전력 계통 안정화 장치 설계

        이정필,정현화,김창현,정형환 동아대학교 정보기술연구소 2001 情報通信硏究所論文誌 Vol.8 No.2

        In this paper, QFT robust control strategy is proposed to improve stability of power systems in the presence of parametric uncertainty. The basic idea in QFT is to convert design specifications of a closed loop system and plant uncertainties into robust stability and performance bounds on the open loop transmission of the nominal system and then to design a controller by using the gain-phase loop shaping technique. The robustness of the QFT controller has been investigated on a single machine infinite bus model by nonlinear simulations.

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