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창의성 관점에서 본 제 7차 초등 수학과 교육과정 : 규칙성과 함수를 중심으로 Focusing on Patterns and Functions
서경혜,유솔아,정진영 한국수학교육학회 2003 初等 數學敎育 Vol.7 No.1
The present study examined the 7th national elementary school mathematics curriculum from a perspective of mathematical creativity. The study investigated to what extent the activities in the Pattern and Function lessons in the national elementary school mathematics textbooks promoted the development of mathematical creativity. The results indicated that the current elementary school mathematics curriculum was limited in many ways to promote the development of mathematical creativity. Regarding the activities in Pattern lessons, for example, most activities presented closed tasks involving finding and extending patterns. The lesson provided little opportunities to explore the relationships among various patterns, apply patterns to different situations, or create ones own patterns. In regard to the Function lessons, the majority of activities were about computing the rate. This showed that the function was taught from an operational perspective, not a relational perspective. It was unlikely that students would develop the basic understanding of function through the activities involving the computing the rate. Further, the lessons had students use exclusively the numbers in representing the function. Students were provided little opportunities to use various representation methods involving pictures or graphs, explore the strengths and limitations of various representation methods, or to choose more effective representation methods in particular contexts. In conclusion, the lesson activities in the current elementary school mathematics textbooks were unlikely to promote the development of mathematical creativity.
Seo, Jeongkuk,Kim, Won Seog,Kim, Jin Seok,Kim, Seok Jin,Lee, Jae Hoon,Hong, Jun Shik,Lee, Gyeong-Won,Oh, Sung Yong,Lee, Ji-Hyun,Yoon, Dok Hyun,Lee, Won-Sik,Kim, Hyo Jung,Kwak, Jae-Yong,Kang, Hye Jin,J Korean Society of Hematology; Korean Society of Bl 2017 Blood Research Vol.52 No.3
<P><B>Background</B></P><P>Rituximab plus cyclophosphamide, vincristine, and prednisone (R-CVP) is one of the effective chemotherapeutic regimens for patients with advanced stage marginal zone lymphoma (MZL). However, prognostic factors that affect the outcome of treatment for MZL are not well understood.</P><P><B>Methods</B></P><P>Between August 2006 and June 2013, patients with newly diagnosed stage III and IV MZL treated with R-CVP as a first-line therapy from 15 institutions were retrospectively analyzed. Patients' clinical and laboratory data at diagnosis were collected by review of medical records.</P><P><B>Results</B></P><P>A total of 80 patients were analyzed. Bone marrow involvement was observed in 30% cases. Twelve patients (15%) had nodal MZL, and 41.3% patients exhibited multiple mucosa-associated lymphoma tissue sites. Overall response rate was 91.3%, including 73.8% achieving complete response. Advanced MZL patients treated with R-CVP showed a 3-year progression-free survival (PFS) rate of 69.6%. Prognostic markers significantly affecting PFS in univariate analysis were platelet to lymphocyte ratio (PLR, <95 vs. ≥95, <I>P</I>=0.014), serum albumin (≤3.9 vs. >3.9 g/dL, <I>P</I>=0.008), and the International Prognostic Index (IPI) score (1 vs. 2–4, <I>P</I>=0.032). In multivariate analysis, only PLR (<95 vs. ≥95, HR 0.367, 95% CI, 0.139–0.971, <I>P</I>=0.043) was an independent risk factor for PFS.</P><P><B>Conclusion</B></P><P>PLR ≥95 at diagnosis is an independent prognostic marker for PFS in advanced stage MZL patients treated with R-CVP. This marker may aid clinicians in predicting the response to R-CVP chemotherapy in stage III and IV MZL patients.</P>
Jin-Gyeong Cho,Seo-Ji In,Ye-Jin Jung,Byeong-Ju Cha,Dae-Young Lee,Yong-Bum Kim,Myeonghun Yeom,백남인 고려인삼학회 2014 Journal of Ginseng Research Vol.38 No.2
Ginseng roots were extracted with aqueous methanol, and extracts were suspended in water andextracted successively with ethyl acetate and n-butanol. Column chromatography using the n-butanolfraction yielded four purified triol ginseng saponins: the ginsenosides Re, Rf, Rg2, and 20-gluco-Rf. Thephysicochemical, spectroscopic, and chromatographic characteristics of the ginsenosides were measuredand compared with reports from the literature. For spectroscopic analysis, two-dimensional nuclearmagnetic resonance (NMR) methods such as 1H-1H correlation spectroscopy, nuclear Overhauser effectspectroscopy, heteronuclear single quantum correlation, and heteronuclear multiple bond connectivitywere employed to identify exact peak assignments. Some peak assignments for previously published 1Hand13C-NMR spectra were found to be inaccurate. This study reports the complete NMR assignment of20-gluco-Rf for the first time.
Cho, Jin-Gyeong,In, Seo-Ji,Jung, Ye-Jin,Cha, Byeong-Ju,Lee, Dae-Young,Kim, Yong-Bum,Yeom, Myeonghun,Baek, Nam-In The Korean Society of Ginseng 2014 Journal of Ginseng Research Vol.38 No.2
Ginseng roots were extracted with aqueous methanol, and extracts were suspended in water and extracted successively with ethyl acetate and n-butanol. Column chromatography using the n-butanol fraction yielded four purified triol ginseng saponins: the ginsenosides Re, Rf, Rg2, and 20-gluco-Rf. The physicochemical, spectroscopic, and chromatographic characteristics of the ginsenosides were measured and compared with reports from the literature. For spectroscopic analysis, two-dimensional nuclear magnetic resonance (NMR) methods such as $^1H$-$^1H$ correlation spectroscopy, nuclear Overhauser effect spectroscopy, heteronuclear single quantum correlation, and heteronuclear multiple bond connectivity were employed to identify exact peak assignments. Some peak assignments for previously published $^1H$-and $^{13}C$-NMR spectra were found to be inaccurate. This study reports the complete NMR assignment of 20-gluco-Rf for the first time.
자격시험에서 오토인코더 및 Semi-Supervised GAN 기반의 응시자 본인 확인 시스템 제안
임세진 ( Se-jin Lim ),김현지 ( Hyun-ji Kim ),강예준 ( Yea-jun Kang ),김원웅 ( Won-woong Kim ),송경주 ( Gyeong-ju Song ),양유진 ( Yu-jin Yang ),오유진 ( Yu-jin Oh ),장경배 ( Kyung-bae Jang ),서화정 ( Hwa-jeong Seo ) 한국정보처리학회 2021 한국정보처리학회 학술대회논문집 Vol.28 No.2
국내에서는 매년 많은 수의 자격시험이 치러지고 있다. 현재 대부분의 시험장에서 응시자 본인 확인 절차는 감독관이 응시자의 얼굴과 신분증 사진을 비교하는 방식으로 이루어진다. 하지만 이 방식은 사람에 따라 오차가 클 수 있으며, 사진과 눈에 띄는 차이가 없으면 동일인물로 판단하기 쉽다. 최근까지도 대리응시 이슈가 발생하고 있어 근절을 위한 보다 강력한 조치가 필요하다. 본 논문에서는 지문과 오토인코더, SGAN을 이용하여 대리응시방지를 강화할 수 있는 본인 확인 시스템을 제안한다. 이때 응시자의 지문정보가 그대로 인증 서버에 저장되면 응시자의 생체정보가 노출될 수 있다는 문제점이 존재한다. 따라서 오토인코더를 통해 지문의 특징점만 추출하여 인증용 이미지를 생성하고 이 이미지를 서버에 저장하여 학습시키도록 한다. 적은 학습데이터 환경에서 분류기로써 좋은 성능을 갖는 SGAN을 통해 인증 이미지와 응시자가 동일인물인지 확인할 수 있다. 서버가 공격을 받더라도 응시자의 지문데이터가 그대로 노출되지 않게 되어 보안 취약점을 극복할 수 있다.
대학생의 구강보건교육경험 및 관심도에 따른 구강보건행태와 지식수준
박소현(So-Hyun Park),김하은(Ha-Eun Kim),김다애(Da-Ae Kim),김어진(Ae-Jin Kim),박서영(Seo-Young Park),이재경(Jae-Gyeong Lee),정은경(Eun-Gyeong Jung),김혜진(Hye-Jin Kim),이민경(Min-Kyung Lee),윤현서( Hyun-Seo Yoon),이정화(Jung-Hwa Lee) 한국구강보건과학회 2018 한국구강보건과학회지 Vol.6 No.1
The purpose of this study was to investigate the effects of oral health education experi-ence and interest in oral health on university students’ oral health behavior and oral health knowledge. This study was conducted with the purpose of demonstrating that proper oral health edu-cation programs should be developed in order to improve oral health management behavior. With regard to teeth brushing habits, the oral health care behavior of the subjects was of an overall high average value. Average figures relating to diet and prevention questions was similar. However, the average number of oral hygiene items came out lowest. Although it is good practice to brush up on oral hygiene, behavior related to oral hygiene was relatively poor. The subjects’ level of oral health knowledge contained the three items with the highest percentage of correct answers: ‘Tongue should be wiped when brushing’, ‘Brushing should be done by rotation (teeth from top to bottom and teeth from bottom to top)’, ‘Fluoride eliminates bad breath’, ‘Toothbrushes should be replaced with a new one within 3 months’, and ‘Knowledge of brushing’. The knowledge level of fluoride and oral hygiene products was low. The study demonstrated that those with a greater experience of oral health education took better oral health care, in terms of brushing and prevention. However, behavior in terms of diet and food showed almost no difference and it was hard to find patterns of good behavior. Experience in oral health education has led to a high level of ‘interest’ oral health care.