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수학문제해결력 증진을 위한 프로젝트 활용의 역사와 그 적용의 분석
한선영,이장주,HAN, Sun Young,LEE, Jang Joo 한국수학사학회 2015 Journal for history of mathematics Vol.28 No.6
Problem sovling skill is one of the core skills in mathematics education. To improve students' problem solving skill, the project approach or project based learning has been developed and applied. A teaching and learning strategy utilizing 'project' encourages students to understand the problem embedded in the project, find and reflect the solution, which might be effective in improving students' problem solving skill. The present study systematically reviews literature regarding project based learning and analyzes the characteristics of project. The findings from the systematic review illuminate an appropriate approach to apply project based learning in mathematics classrooms.
한선영(Sun-Young Han),김철신(Cheoul-Sin Kim) 대한치과의사협회 2012 대한치과의사협회지 Vol.50 No.7
The aim of this study was to investigate the recognition on the national health insurance and the actual condition of denture among the elderly in Seoul city. This survey was performed on 710 of the elderly aged over 60 years and visited the senior welfare centers. The recognition of the elderly on the national health insurance of denture was 61.7%, but there was a low recognition on the details. The elderly had started using dentures from 66.24 years old. The average used period of the past denture was 7.09 years. In conclusions, the provider is required to promote the insurance coverage of denture to increase the coefficient of utilization of the elderly. Also, further studies for the extending coverage of the details are needed.
한선영 ( Sun Young Han ),이은송 ( Eun Song Lee ),김보라 ( Bo Ra Kim ),정회인 ( Hoi In Jung ),권호근 ( Ho Keun Kwon ),김백일 ( Baek Il Kim ) 대한예방치과·구강보건학회 2011 大韓口腔保健學會誌 Vol.35 No.4
Objectives. The aim of this study was to evaluate the effect of two different abrasive toothpastes on the dentine surface using an in situ method. Methods. The dentifrices used in this study had relative dentine abrasion (RDA) values of 30 and 100 when measured by a radioactive dentine abrasion method. They were analyzed using a double blind, randomized, split mouth, in situ study. Dental hygienists trained the subjects in correct tooth brushing techniques with intra-oral appliance using a powered toothbrush prior to the experimental demonstration. The subjects wore bi-lateral, lower appliances from 9 a.m. to 3 p.m. (excluding one hour of lunchtime) for 14 days. Brushing was performed 3 times a day (9 a.m., 12 p.m. and 3 p.m.) for 14 days. The human dentine specimens installed on the appliance were brushed with different tooth brush heads depending on the type of toothpaste, and 1 g of the toothpaste was applied to each specimen for 60 seconds. After 14 days, specimens were removed from the appliances and average dentine loss was measured by a non-contact profilometer. The average dentine loss of each dentifrice was compared by a paired t-test using SPSS 17.0 software. Results. Sixteen subjects were included in the main analysis. The average age of subjects was 23.7 (range; 21∼29). The dentine loss depth of the high-abrasive toothpaste (6.60 μm) was statistically higher than that of the low-abrasive toothpaste (4.23 μm) (p<0.05). Conclusions. The low-abrasive toothpaste group (RDA 30) showed a significantly lower average dentine loss depth when compared to the high-abrasive toothpaste (RDA 100), and this difference observed in vitro also appeared to exhibit valid results when applied to the in situ study.
증례 : 호흡기 ; 유방 농양 및 흉막염을 동반한 폐흡충증 1예
한선영 ( Sun Young Han ),이욱현 ( Wook Hyun Lee ),유진석 ( Jin Sok Yu ),이상록 ( Sang Rok Lee ),안진영 ( Jin Young An ),고종현 ( Jong Hyun Koh ),박용근 ( Yong Geun Park ) 대한내과학회 2011 대한내과학회지 Vol.81 No.4
폐흡충증은 덜 조리된 민물게나 가재에 있는 폐흡충증의 피낭 유충을 섭취하여 생기는 기생충 질환이다. 이는 감소하는 경향이지만 한국과 일본 등 유행하는 지역에서는 여전히 폐와 흉막 질환을 일으키는 중요한 원인으로 고려되어야 한다. 그리고 흔하지는 않지만 뇌, 척수, 복강 및 골반 장기나 피하조직에 이소성 병소를 유발할 수 있다. 저자들은 흉막염을 동반한 폐결핵과 별개의 질환으로서 병발한 유방 농양이라고 오인했다가 이소성 유방 농양과 흉막염을 동반한 폐흡충증으로 진단된 증례를 보고한다. Paragonimiasis is an infectious disease caused by consumption of raw or improperly cooked freshwater crab or crayfish contaminated with Paragonimus metacercariae. The incidence of the disease has markedly decreased, but it is still a lung disease that requires a differential diagnosis in endemic areas such as Korea and Japan. It is commonly found in the lung but has also been found as extrapulmonary infestations, such as cerebral, spinal, subcutaneous, abdominal, urinary, and gynecological infestations. We report a rare case of ectopic paragonimiasis involving the breast with pleural effusion that was initially misdiagnosed as tuberculous pleurisy and a breast abscess. (Korean J Med 2011;81:502-507)
한선영 ( Sun Young Han ) 조선대학교 인문학연구원 2001 인문학연구 Vol.26 No.-
The purpose of this paper is to analyze the usual phenomena of vowel epenthesis relavant to English loanwords in Korean under Optimality Theory rather than the rule-based theory. The main point of Optimality Theory is the interaction the faithfulness constraints with the markedness constraints(or structural wellformedness constraints). I show that the vowel [i] is inserted to satisfy the wellformedness constraints in Korean like other languages. The rule-based theory with ``inviolability`` needs to add some rules to account for some language variants, and can`t capture the generalization of rules. However, Optimality Theory does not have to add extra rules to account for the nativisation of loan words. In Optimality Theory, the constraints are violable but violation must be minimal. Some variants in loanwords, including [i]-enpenthesis in Korean, follow from the constraint ranking of the borrowing language. Thus, I argue that Optimality Theory has more the explanatory adequacy than the rule-based theory because it can explain any variants with constraint rankings and interactions.