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      • KCI등재후보

        중등 컴퓨터과학교육을 위한 객체지향형 EPL '두리틀'의 적용 및 평가

        권대용,길혜민,염용철,유승욱,進兼宗,靖久野,이원규 한국컴퓨터교육학회 2004 컴퓨터교육학회 논문지 Vol.7 No.6

        제 7차 컴퓨터교과 교육과정은 소프트웨어 활용 부분에 치중되어 컴퓨터과학에 관한 원리교육이 이루어지지 못하고 있다. 한편, ACM K-12 컴퓨터과학 교육과정 모델에 관한 보고서에서는 현재의 컴퓨터교육이 그릇된 방향이며 컴퓨터과학 중심의 컴퓨터교육을 위해서 프로그래밍언어 교육을 통한 원리교육의 중요성을 강조하고 있다. 본 논문에서는 프로그래밍 체험학습을 위한 객체지향 기반의 새로운 교육용프로그래밍언어인 두리틀(Dolittle)을 소개한다. 두리틀은 간결한 구문과 한국어와의 대응성, 인크리멘탈 방식의 프로그래밍, 수치, 문자열, 배열과 같은 알고리즘과 구조화, 텍스트 위주의 프로그래밍 등의 설계방침을 적용한 언어이다. 중학생을 대상으로 실제 수업에 적용해 보고 학습효과를 분석한 결과, 객체지향기반이지만 클래스나 상속 등의 개념을 모르고도 활용 가능한 교육용프로그래밍언어라는 것을 확인할 수 있었다. 또한 객체와 메소드 활용을 통하여 프로그래밍 결과를 쉽게 확인할 수 있고 오류 수정이 용이하므로, 학생들의 높은 흥미도를 유지하면서 학업성취도를 향상시키고 차후 학습으로의 연계가 수월하였다. Current computer education is difficult to educate basic concepts and principals of the computer science because the 7th curriculum of computer education is focused on the application of software. According to the ACM K-12 report about the computer science education model, current computer education is taking the wrong way and we should put the highly priority on the education of the fundamentals through programming languages for a better computer education oriented to the computer science. This paper introduces a new object-oriented educational programming language "Dolittle'". The design principals of Dolittle are simple syntax of Korean, incremental programming, text based programming, aliasing of function, and object-oriented programming. Being applied to middle school classes, we can confirm that Dolittle is easy to learn, and gives rise to high interest and keeps interest through a course,and also is of great practical use in class for programming novice.

      • A Patient with Headache Caused by Ramsay-Hunt Syndrome Treated with Traditional Korean Medicine including Laser Acupuncture: a Retrospective Case Report

        Hye-Won Yeum,Su-Min Jeong,Sang-Bin Kim,Jae-Won Kim,Min-Ji Oh,Sang-Hoon Lee,Dong-Woo Nam 임상약침학회 2019 대한면역약침학회지 Vol.7 No.1

        Objective : The purpose of this study is to investigate the effect of Laser acupuncture(LA) on headache caused by Ramsay-Hunt Syndrome(RHS). Methods : A 57-year-old female patient finishing antiviral-steroid therapy suffered from headaches caused by RHS. She had already been treated with Korean Medicine(KM) to improve her immunity and enhance her recovery, so laser acupuncture was added to the KM treatment to control her headache. LA was carried out once per day between June 18-25, 2018. The treatment effect was assessed by Korean Headache Impact Test-6(Korean HIT-6), Visual Analog Scale(VAS) and Headache diary. Results : After five treatment sessions, Korean HIT-6 score decreased from 70 to 48, VAS score decreased from 3.5 to 0.3, and the headache area also decreased. Conclusions : The results suggest that LA may be a good choice as an KM intervention for pain controlling in RHS headache.

      • Ammonolysis-based microencapsulation technique using isopropyl formate as dispersed solvent

        Hye Yeum, Im,Hong Kee, Sah 이화여자대학교 약학연구소 2010 藥學硏究論文集 Vol.- No.20

        The objectives of this study were to develop an ammonolysis-based microencapsulation technique using a nonhalogenated isopropyl formate and to evaluate its feasibility in preparing poly-D,L-lactide-co-glycolide microspheres. The choice of isopropyl formate was based on its great reactivity toward ammonolysis and acceptance as a flavoring agent for human food by regulatory agencies. Progesterone was used as a model drug for microencapsulation. In the practice of this microencapsulation process, a dispersed phase consisting of isopropyl formate, the polymer and progesterone was emulsified in an aqueous phase. Solvent removal from emulsion droplets was rapidly achieved by ammonolysis at ambient conditions, not by typical solvent evaporation and/or extraction. Depending upon microsphere formulations, its encapsulation efficiency ranged from 88.0+/-3.6 to 97.0+/-3.6%. Analysis of FTIR spectra suggested that there were no significant chemical interactions between prednisolone and the polymer. Both DSC and XRD data substantiated that the magnitude of an actual progesterone loading influenced its physical status in the microspheres. Interestingly, the microspheres prepared in this study contained noticeably lower levels of solvent residues: a gas chromatographic analysis demonstrated that the levels of residual isopropyl formate found in different microspheres were not more than 0.34+/-0.07%. It was seen to be feasible from these results that the ammonolysis-based approach using isopropyl formate might have a potential as an alternative microencapsulation technique.

      • KCI등재

        학령전기 아동의 이야기 산출능력 평가척도 개발을 위한 예비연구

        염지혜(Ji Hye Yeum),최예린(Yaelin Choi),홍성화(Sung Hwa Hong),김은연(Eun Yeon Kim) 한국언어치료학회 2014 言語治療硏究 Vol.23 No.1

        Story telling influences children's vocabulary combination or cohesive marker development as well as vocabulary acquirement. Thus, children's story telling evaluation is an important item for children's language evaluation. However, the existing story telling evaluation standards are produced as a standard either of the story telling grammar or of the cohesive marker, and their scoring systems are different from each other, making comparisons of the lower levels difficult.Thus, in this study, I intended to develop evaluation standards to compare the two abilities through a consistent scoring system of content composition ability and sentence expression ability in preschool children's story telling ability evaluation. For this, with a total of 30, 4-6 year-old normally-developing children as the subjects, 3 groups of 10 each, I implemented the task of retelling the swing story and the ball story. The evaluation standard was produced and divided into two: story telling analysis standard-the content composition standard and the sentence expression standard. I examined whether there are differences per age in the story telling content composition standard and the sentence expression standard produced in this study, and the relationship with KONA(Korean Narrative Assessment)'s story telling grammar evaluation and grammar goal, which is the existing story telling evaluation method.The study yeilded statistically meaningful results in that the 6-year-old group scored higher than the 4-year-old group in the standard scores of the content composition per age. Also, the higher content composition standard scores, the higher the KONA story telling grammar evaluation scores were statistically meaningful. The 6-year-old group scored higher than the 4-year-old group in the sentence expression standard scores per age as well. As per the higher sentence expression standard scores, the higher T unit numbers were statistically meaningful. As per the better sentence performance ability, the higher the ball story telling contents composition standard scores; and as per the higher the receiving and expression vocabulary performance ability, the higher the contents composition standard and the sentence expression standard scores were statistically meaningful.In conclusion, the story telling evaluation standard produced in this study is based on the KONA's analysis standard, broadening the range of the analysis standard by reflecting the other lower cohesive marker types together, showing a statistically meaningful relationship with KONA. Thus, the evaluation standard in this study can standardize children's story telling ability within the evaluation time, as well as using it in practice and utilizing it as the objective study data. In other words, this evaluation standard is a meaningful standard with which one can evaluate preschool children's story telling calculation capability.

      • SCIESCOPUSKCI등재

        Preparation of Poly(vinyl acetate)/Clay and Poly(vinyl acetate)/ Poly(vinyl alcohol)/Clay Microspheres

        Jung Hye-Min,Lee Eun-Mi,Ji Byung-Chul,Sohn Sung-Ok,Ghim Han-Do,Cho Hyun-Ju,Han Young-A,Choi Jin-Hyun,Yun Jae-Deuk,Yeum Jeong-Hyun The Korean Fiber Society 2006 Fibers and polymers Vol.7 No.3

        Poly(vinyl acetate) (PVAc)/poly(vinyl alcohol) (PVA)/montmorillonite (MMT) clay nanocomposite microspheres with a core/shell structure have been developed via a suspension polymerization approach. In order to prepare the PVAc/ MMT and PVAc/PVA/MMT nanocomposite microspheres, which are promising precursor of PVA/MMT nanocomposite microspheres, suspension polymerization of vinyl acetate with organophilic MMT and heterogeneous saponification were conducted. A quaternary ammonium salt, cetyltrimethylammonium bromide, was mixed with the MMT in the monomer phase prior to the suspension polymerization. The rate of conversion decreased with an increase in MMT concentration. The incorporation of MMT into the PVAc was verified by FT-IR spectroscopy. Organic vinyl acetate monomers were intercalated into the interlayer regions of organophilic clay hosts and followed by suspension polymerization. Partially saponified PVA/MMT nanocomposite microspheres with a core/shell structure were successfully prepared by heterogeneous saponification.

      • SCOPUSKCI등재
      • 정상 및 종양성 결장상피세포의 인체 융모막성 고나도트로핀 생성에 관한 면역세포화학적 연구

        홍혜경,염범우,이대일 고려대학교 의과대학 1988 고려대 의대 잡지 Vol.25 No.1

        Human beta chorionic gonadotropin (β-HCG), which is an essential hormone for the continuance of pregnancy, is one of tumor marker of greatest use, nowaday. Beside its nearly exclusive production by trophoblastic epithelium of the placenta under normal circumstances, the hormone also may be secreted into the blood by trophoblastic tumor as well as germ cell tumors of the testes and ovaries. Other tumors have been reported to be associated with elevated β-human chorionic gonadotropin (β-HCG) levels, but the serum concentration rarely exceeds 10ng/mL. However, immunoenzyme histochemical staining can detect presence of β-HCG in the non-trophoblastic tumor at cellular level. The author selected fromalin fixed and paraffin embedded tissue sections of normal, benign and malignant lesions of the colon and examined β-HCG in these specimens to understand pattern of distribution of this hormone in each group. The results are as followings; 1. There was no β-HCG containing cells in normal colonic mucosae, non-neoplastic epithelial polyps and adenomas of colon. 2. Thirteen cases (48.1%) of 27 colonic adenomocarcinomas showed sporadic β-HCG positive tumor cells along the lining cells of the tumor glands. 3. β-HCG positive cells were found in 60% of well differentiated, 50% of moderately differentiated, none of poorly differentiated carcinoma and 40% of mucous carcinomas. 4. Distribution of β-HCG were intracytoplasmic and granular in moderate degree and the degree of reactions were especially intense at the site of deep intramuscular invasion of the colon. 5. Among 12 cases of metastatic lesions, β-HCG reactive cells were found in 7(58.3%) cases. Above results suggest that distribution of β-HCG positive cells in colon is restricted only to carcinoma cells in sporadic, granular and intracytoplasmic pattern in almost an half of cases. And positivity of β-HCG in colon cancer seems to have no relationship in both degree of differentiation or invasiveness of the tumor cell.

      • KCI등재후보

        제주지역 마을공동체 조사지표를 활용한 마을공동체 회복력 평가지표 탐색

        현혜경(Hyu Hye-kyung),염미경(Yeum Mi-gyeung) 제주학회 2020 濟州島硏究 Vol.53 No.-

        2000년대 이후 전국 대부분의 지역들에서 마을만들기 사업들이 본격적으로 실시되는 등 다양한 형태의 마을만들기가 전개되어왔고 제주지역도 이러한 과정을 경험하였다. 그러나 마을만들기의 전개 양상은 시기마다 지역마다 다양하다. 이 논문에서는 제주지역을 사례로 하여 마을공동체 조사항목과 지표 변화를 분석하고, 분석결과 도출된 마을공동체 조사항목과 지표를 활용하여 마을공동체의 회복력 구성요소를 선정하고 평가지표를 탐색해보고자 하였다. 이 논문의 분석결과 제주지역 마을공동체 조사지표 변화, 특히 그 조사주체와 기록방식의 변화를 확인할 수 있었다. 주민들이 마을공동체 조사의 주체가 되고 주민들 스스로 마을공동체의 역사와 자원을 발굴해 보존하며 여기에 새로운 가치를 입히고 마을의 문제를 공동의 노력으로 해결하려는 움직임을 마을공동체 조사항목과 지표 변화를 통해 알 수 있었다. 이는 주민 개개인의 삶과 행복을 위한 공동체를 회복하려는 일종의 마을만들기이며 마을공동체 활성화 노력으로 이해할 수 있다. 앞으로 마을공동체 조사지표와 회복력 평가지표 간 관계성을 파악해내는 것은 물론 지속가능한 마을공동체 만들기를 위해 지역 회복력에 대한 심층적인 조사·연구들이 이루어질 필요가 있다. Since 2000, various types of community planning have been carried out in most regions nationwide, with community planning projects being carried out in earnest, and the Jeju area has experienced the same process. However, the development patterns of these community planning vary from time to time and region to region. The purpose of this study is to analyze changes in survey items and indicators of village communities in Jeju, and to select resiliency components of village communities and explore evaluation indicators by using the Jeju community survey items and indicators. In this paper, we wanted to analyze the survey items and changes in the indicators of the village community in Jeju, selects the elements of resilience in the village community and explore the evaluation index by using the changed village community survey items and indicators derived from the analysis results. The purpose of this study was to explore the evaluation indicators of community resilience. As a result of analysis of this paper, it was confirmed that the survey items and indicators of village community in Jeju area, especially the subject and the recording method. Changes in the survey items and indicators of the village community were seen by residents to become the main body of the survey, and the residents themselves were to discover and preserve the history and resources of the community, to place new values on it, and to solve the problems of the village through joint efforts. This is the creation of a kind of village that seeks to restore communities for the lives and well-being of individual residents and can be understood as an effort to revitalize the village community. In the future, it is necessary to investigate the relationship between the survey indicators of the village community and the resilience evaluation indicators, and to investigate and research the community resilience of the region in order to create a sustainable village community.

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