2015 개정 교육과정을 반영한 대학 미적분학 교과에 대한 탐색

김윤아,김경미,Kim, Yun Ah,Kim, Kyung Mi 한국수학교육학회 2017 수학교육논문집 Vol.31 No.3

2015 개정 교육과정은 창의융합형 인재를 양성하기 위해 국가 사회적 요구를 학교교육과정에 반영한 문 이과 통합형 교육과정이다. 이러한 변화와 더불어 교육부에서는 2017년부터 대학교 4학년 때까지 전공을 변경할 수 있는 제도를 도입하였다. 따라서 각 대학에서는 2015 개정 교육과정을 이수한 학생들을 맞이하기 전에, 교육과정 및 제도 변화를 반영할 준비를 해야 한다. 대학은 신입생들이 수강하는 미적분학 교과목 운영과 교육내용을 준비할 때 2015 개정 교육과정 시행과 전공변경 시기 확대에 대한 대응방안을 연구할 필요가 있다. 한동대학교는 무전공무학부제로 1학년 때 전공을 결정하려는 신입생을 대상으로 수준별 미적분학 교과목은 운영하고 사전시험을 실시하여 신입생들에게 적합한 미적분학 분반을 배정하는 등 다양한 운영 방안을 모색해왔다. 이 사례는 2015 개정 교육과정의 기본 취지와 유사하므로 교육과정 개정 후 대학 미적분학 수업 운영 방안에 대한 시사점을 제시해줄 수 있다. 본 논문에서는, 최근 5년간 한동대학교 신입생 수학시험 결과와 학생들의 미적분학 교과 성적을 분석하여 상관관계를 도출하고, 한동대학교에서 운영하고 있는 미적분학 교과목 내용과 2015 개정 고등수학 교육과정을 비교하였다. 그 결과, 대학 전공계열에 적합한 미적분학 교과목을 5개 수준으로 구성하여 제안하였으며, 대학 미적분학 교과과정에 2015 개정 교육과정에서 부족한 구분구적법을 포함하여야 함을 찾을 수 있었다. The 2015 revised curriculum is an integrated curriculum that reflects national and societal needs to foster creative convergent talent in the school curriculum. Along with these changes, the Ministry of Education introduced a system to change the major from 2017 to the fourth year of university. Therefore, each university should prepare to reflect the curriculum and institutional change before welcoming students who have completed the 2015 revised curriculum. The university needs to study the countermeasures for implementing the 2015 revised curriculum and expanding the period of major change when preparing the curriculum and contents of the calculus courses that freshmen take. Handong University has been studying the operation methods of new students who want to decide their major at the first grade, such as operating calculus courses at various levels and allocating appropriate proportions of calculus for preliminary examinations. This case is similar to the basic purpose of the revised curriculum in 2015, so it can suggest implications for the operation of the university calculus class after the curriculum revision. In this paper, we have analyzed the results of the recent freshman mathematics test for the recent 5 years and the students' calculus grades and compared them with the contents of the calculus curriculum operated by Handong University and the 2015 revised higher mathematics curriculum. As a result, we proposed five classes of calculus suitable for college major and it was found that the calculus curriculum should include the missing quadratic method in the 2015 revised curriculum.

동결 건조된 리포솜의 안정화에 있어서 말토스의 영향

김윤아,한희동,신병철,Kim, Yun-A,Han, Hee-Dong,Shin, Byung-Cheol 대한화학회 2004 대한화학회지 Vol.48 No.6

약물 수송체로 사용되는 리포솜은 동결 건조를 통하여 분말화 시키는 방법이 사용되어지고 있다. 리포솜 안정제로서 말토스는 동결건조된 리포솜 분말의 안정성을 향상시키고 약물 봉입률에 영향을 주는 것으로 알려져 왔다. 동결건조 전과 후의 리포솜 입자의 크기를 측정하므로서 리포솜의 안정성을 평가하였고 또한, 약물 봉입률은 모델 약물인 칼세인을 사용하여 조건에 따른 봉입양을 측정하였다. 리포솜 제조 후에 말토스를 첨가한 리포솜은 수화하는 과정에서 말토스를 첨가하여 제조한 리포솜보다 훨씬 더 안정한 것으로 확인되었다. 말토스를 첨가하지 않은 리포솜은 시간이 지남에 따라 입자의 크기가 커지는 반면, 리포솜 제조 후에 말토스를 첨가한 리포솜은 $4{\sim}37^{\circ}C$에서 30일 동안 안정하다. 또한, 말토스/지질의 물농도 비가 3과 6일 때 상대적으로 가장 높은 안정성을 보였다. Liposome powders were prepared by a freeze-drying method for the application to the field of drug carrier. The effect of maltose as a liposome stabilizer was studied on the stability and the drug-loading efficiency of the freeze-dried liposome powders. The particle size of liposomes before and after freeze-drying was determined to evaluate the liposome stability. The drug-loading efficiency was measured by Fluorescence spectrophotometer using calcein as a model drug. When maltose was added after the preparation of the liposomes, the liposomes was stable, compared to the case of maltose addition at the hydration procedure. By the addition of maltose, the liposome was stable for 30 days at $4{\sim}37^{\circ}C$, while the particle size of the liposome without maltose increased with time. The liposome showed relatively high stability when the maltose/lipids molar ratio was 3 and 6.

2005년 한국에서 시판된 먹는 샘물의 미생물 오염

김윤아,이도경,유경미,강병용,하남주,Kim Yun-A,Lee Do-Kyung,Yu Kyoung-Mi,Kang Byung-Yong,Ha Nam-Joo 환경독성보건학회 2006 환경독성보건학회지 Vol.21 No.3

In recent years, there has been an increase in consumer demand for bottled waters. There is a perception that consumption of natural mineral water represents a healthy life style and that these products are relatively safe. In this study, the microbiological quality of 39 samples of bottled water, purchased from retail store in Korea, was investigated during the 2005. Applying pour plate method, the 1 mL of water samples were analyzed for the presence and enumeration of total general bacteria and Pseudomonas spp.. Nineteen samples representing 9 brands of bottled water contained general bacteria ($1.54{\times}10^2$ CFU/mL). In addition four samples contained Pseudomonas spp. and Camamonas acidovorans. The susceptibility of the strains tested against 25 antimicrobial agents, Pseudomonas fluorescens were resistant to Lincomycin, Amoxacilin/Clavulanic acid and Cefazolin (> $100{\mu}g/mL$). Also Comamonas acidovorans were intermediate to Cephalothin and resistant to Cefoperazone.

70 세 이상 여성 고령 환자에서 관상동맥 중재술

김윤아(Yun Ah Kim),정명호(Myung Ho Jeong),주신배(Shin Bae Joo),최명자(Myung Ja Choi),김인수(In Soo Kim),김남호(Nam Ho Kim),김건형(Kun Hyung Kim),이승욱(Seung Uk Lee),조장현(Jang Hyun Cho),안영근(Young Keun Ahn),조상기(Sang Ki Cho),조정 대한내과학회 2001 대한내과학회지 Vol.60 No.5

N/A Background : Previous reports have mentioned the increased mortality of percutaneous coronary intervention (PCI) in elderly female patients compared with elderly male. The purpose of this study was to evaluate the clinical characteristics, coronary lesion, characteristics and differences of success rate of PCI between male and female elderly patients. Methods : Three hundred sixty six elderly patients (454 lesions), including 210 male (255 cases, 73.4±2.45 year-old) and 156 female (199 cases, 73.5±2.55 year-old) who underwent PCI at Chonnam National University Hospital between Jan '96 and Dec '98 (out of 3,030 patients during same period). We compared clinical characteristic, coronary artery lesion morphology, success and complication rates of PCI in elderly male and female patients. Result : Clinical diagnosis and risk factors for atherosclerosis were not different between two groups. Right coronary lesions were more common in female and left circumflex artery lesion less common in female patients. The success rate of balloon angioplasty was 93.2% (110/118) in male and 93.3% in (98/105) in female patients, and the success rates of stenting were 99.2% (136/137) in male and 100% (94/94) in female. Success rates of PCI were not different between two groups. Procedure-related mortality was one cardiac death (1/255, 0.39%) in male group only. Complications of elderly male were two occlusive dissection (OD: 2/255, 0.8%), three thrombotic occlusion (TO: 3/255, 1.2%) and two ventricular arrhythmia (VA) with shock (2/255, 0.8%). In 199 female patients, three OD (3/199, 1.5%), three TO (3/199, 1.5%) and two VA (2/199, 1.0%) developed. The complications rates were not different two groups. Conclusion : PCI in female patients older than 70 years can be performed with comparable success and complication rates to those of elderly male patients.(Korean J Med 60:456-462, 2001)

일란성 쌍태 중 일측 태아의 인어체기형 (Sirenomelia)

정상근 ( Jeong Sang Geun ),김현철 ( Kim Hyeon Cheol ),김유신 ( Kim Yu Sin ),김윤아 ( Kim Yun A ),김조영 ( Kim Jo Yeong ),김지연 ( Kim Ji Yeon ),신승주 ( Sin Seung Ju ),김낙근 ( Kim Nag Geun ),강혜윤 ( Kang Hye Yun ),박정선 ( Park 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.4

Sirenomelia is a lethal congenital malformation characterized by single or fused lower limbs associated with other severe genitourinary and lower gastrointestinal tract anomalies. Associated anomalies include malformation of vertebrae and pelvis, oligohyd

Android 플랫폼 기반 플래시 메모리 관리 기법에 대한 성능 평가

김윤아 ( Yun-a Kim ),오기환 ( Gi-hwan Oh ),김강년 ( Kang-nyeon Kim ),강운학 ( Woon-hak Kang ),이상원 ( Sang-won Lee ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.1

스마트폰에서 낸드 플래시 메모리가 저장 장치로 사용됨에 따라 다양한 플래시 파일 시스템과 플래시 변환 계층들이 제시되었다. 플래시 메모리는 덮어 쓰기가 불가능하기 때문에 이들 기법들은 기본적으로 로그 기반 구조를 취하고 있지만 가비지 수집, 데이터 배치 정책의 설계에 따라 성능과 수명 관리 측면에서 많은 차이를 보인다. 본 논문은 플래시 메모리 관리 기법들의 다양한 설계가 성능에 미치는 영향을 알아보고 종합적으로 비교 해보기 위해 대표적인 스마트폰 플랫폼인 안드로이드상에서 시뮬레이션 기반의 성능 평가를 수행 한다. 또한 각 기법들의 설계가 성능에 미치는 영향을 분석 한다.

회계정보와 EVA가 자본시장에 미치는 영향 -업종별 누적초과수익률을 이용한 유가증권시장반응 측정-

김윤아 ( Yun Ah Kim ),배기수 ( Khee Su Bae ) 한국세무회계학회 2011 세무회계연구 Vol.0 No.29

본 연구에서는 기업의 회계정보와 경제적부가가치가 주식시장에 미치는 영향에 대해 알아보고자 하였다. 이를 위해 기업의 회계정보를 통해 순이익증가율, 총자산회전율, 유동비율, 부채비율, 자기자본증가율로 5가지 범주의 재무비율 및 경제적부가가치를 독립변수로 하였고, 분석기간 동안의 주가반응은 월별초과수익률을 누적시킨 누적초과수익률을 통해 도출하여 종속변수로 선정하였다. 분석기간은 2005년부터 2009년까지 5개년 간으로 하였고, 코스피기업 중 비금융업 기업을 9개 업종으로 분류하여 분석하였다. 실증분석 결과 회계정보를 이용한 재무비율 중 순이익증가율(수익성), 총자산회전율(활동성) 그리고 경제적부가가치가 누적초과수익률과 유의적인 차이를 나타냈다. 특히 선행연구의 결과를 통해 예상되었던 경제적부가가치가 2006년부터 2008년까지의 기간에 걸쳐 1% 유의수준에서 가장 밀접한 영향을 미치는 것으로 나타났다. 또한 수익성비율을 대표하는 순이익증가율은 연도별 회귀분석결과 유의한 연도는 없었으나, 유의수준 5%에서 유의적인 것으로 나타났다. 선행연구에서 크게 언급되지 않았던 활동성비율을 대표하는 총자산회전율은 연도별분석 결과 2009년 유의한 것으로 나타났으며, 10% 유의수준에서 영향을 미치는 것으로 분석되었다. 이러한 결과는 기업의 투자의사결정과 신용의사결정시에 가장 먼저 고려되는 수익성분석의 하부비율인 수익성비율, 활동성비율이 누적초과수익률에 영향을 미친 것으로 추측된다. 또한 회계정보가 나타내지 못하는 기업의 실질적인 가치의 증·감을 정확하게 나타내는 경제적부가가치가 가장 밀접하게 영향을 미치는 것으로 보인다. The purpose of this study is to confirm the effect of Accounting information and Economic value added(EVA) on KOSPI market. To do this, based on Accounting information Growth rate of net income(GRN), Total asset turnover ratio(ATO), Current ratio(CUR), Debt to equity ratio(DTE), Growth rate of stockholder`s equity(GRE) and EVA is selected as independent variable. And Cumulative average residual(CAR) is dependent variable. Study period ranges from 2005 to 2009, and it is analysed that non-financial business companies of KOSPI were classified by 9 industries. The results of analysis appeared significant differences between GRN, ATO, EVA and CAR. Particularly, EVA had showed most closely the effect on CAR between 2006 and 2008. And GRN was not statistically significant of year-on-year regression analysis, but represents significant level of 5%. ATO, in previous studies are not significantly mentioned, showed a significant year in 2009, and represents significant level of 10%. The above results, profitability ratios, activity ratios is inferred to affect to CAR, and is substructure of profitability analysis to be considered of business investment and credit decision making at the first. EVA that correctly represent companies increase and decrease of the real value not to show accounting information is to affect most closely to CAR.

전신성홍반성루푸스에 동반된 급성 비결석담낭염

김윤아 ( Yun A Kim ),이신석 ( Shin Seok Lee ),정해권 ( Ha Gwon Juhng ) 대한류마티스학회 2001 대한류마티스학회지 Vol.8 No.4

Several gastrointestinal complications have been reported in association with systemic lupus erythematosus (SLE), including mesenteric vasculitis, bowel perforation, gastric or duodenal ulcer, necrotizing enterocolitis, spontaneous peritonitis, pancreatitis, spontaneous rupture of the liver or spleen and hepatomegaly. Acute acalculous cholecystitis is a rare disease that occurs in only 5~10% of patients with acute cholecystitis, typically in seriously ill patients. Reports of gallbladder diseases in patients with SLE are very scarce. Only seven cases of SLE complicated with acalculous cholecystitis have been reported so far, but not in Korea. Six cases were treated surgically by cholecystectomy or cholecystostomy, and one case was treated without surgical intervention. We added a case in which acute acalculous cholecystitis accompanying SLE was treated successfully by corticosteroid without surgical intervention.

하시모토갑상선염에 동반된 쇼그렌증후군

김윤아 ( Yun A Kim ),이신석 ( Shin Seok Lee ),정해권 ( Ha Gwon Juhng ) 대한류마티스학회 2002 대한류마티스학회지 Vol.9 No.1

Sjogren`s syndrome (SS) is a chronic, slowly progressive autoimmune disease characterized by lymphocytic infiltration of the exocrine glands leading to dry mouth and dry eyes accompanied by a variety of autoimmune phenomena. Despite the obvious difference in the affected organ, patients with SS and those with Hashimoto`s thyroiditis share several histologic and genetic features. The immunopathologic findings of Hashimoto`s thyroiditis and Sjogren`s sialadenitis show similarities such as infiltration by activated T lymphocytes and inappropriate expression of HLA class II molecules by the epithelial cells. It has been reported that up to 50% of patients with SS develop autoimmune thyroid disease in the clinical course, and patients with Hashimoto`s thyroiditis have symptoms related to SS frequently. In Korea, the ocurrence of SS in association with Hashimoto`s thyroiditis has not been reported so far, although it is considered to coexist occasionally. We report a case of primary SS in a patient with Hashimoto`s thyroiditis who had been treated with levothyroxine.

2011 S/S 서울과 홍콩 스트리트 패션 컬러 비교분석

김윤아(Yun-A Kim),배수정(Soo-Jeong Bae) 전남대학교 생활과학연구소 2011 生活科學硏究 Vol.21 No.-

This thesis aims to compare and analyze the characteristics of the color trend in Seoul and Hongkong by investigating the street fashions in those cities in 2011 Summer in the context of top, bottoms, one-piece dress and accessories. The method of the study was in two ways ie, paper study and practical approach. The sources of the papers was from the articles and books about the color and colorcoordination, periodicals and internet materials, the traits and trend of the color in 2011 Summer being outlined, while the costume color in women in their twenties and thirties was also studied in those cities by the pictures directly taken by us in a practical sense. Conclusively, the costume color in the street fashion of Seoul and Hongkong showed the similarity of color preferences with slight difference in the respective frequency, and was far from the general color choices in women's street fashion. The achromatic color in top was dominant in both cites. The white took a major position in a frequency of 35.7%, 29.2% in Seoul and Hongkong respectively. The black was prevalent in bottom, in a those of 33.2%, 35.1% in Seoul and Hongkong respectively. The category of Multi was popular in one-piece dress, in those of 38.4%. 50.8% in Seoul and Hongkong respectively. Regarding the accessories, bags and shoes, the achromatic color of black was of the main position in both cities while the preferences for the muli-color was different in theses cities. Lastly, the general preferences showed similarity, with high affinity for the achromatic color compared with the chromatic one in a ratio of 6.6:3.4 in both cities as the black and white was of the outstanding proportion.