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Choi, Y.N.,Sungil Park, J.M.,Strassle, T.,Yeon, S.H.,Park, Y.,Lee, H. Pergamon Press ; Elsevier Science Ltd 2010 International journal of hydrogen energy Vol.35 No.23
We have studied the dynamics of the H<SUB>2</SUB> loaded THF (tetrahydrofuran) clathrate hydrate by using an inelastic neutron scattering technique. At 2K, a well defined single peak indicative of the ortho (J=1) to para (J=0) hydrogen transition is observed at 13.6meV. The neutron spectrum undergoes two distinct changes as the temperature increases. First, additional peaks appear from splitting of the rotational transition above 10K. Upon further heating, a quasi-elastic neutron scattering (QENS) signal due to hydrogen molecular diffusion through the THF hydrate crystalline lattice grows significantly above 65K. These results indicate that H<SUB>2</SUB> molecules trapped inside the THF hydrate crystalline structure undergo two distinct transformations in their dynamical behavior.
재외국민 특별전형으로 입학한 간호대학생의 임상실습 체험
강혜진,박미림,선우혜림,연재휘,이채영,최주영,신수진,김윤정 이화여자대학교 간호학회 2018 이화간호학회지 Vol.- No.52
Purpose: The purpose of this study is to understand the experience of clinical practice and overall experiences of nursing university students who have entered under special overseas admissions by concentrating on the new burden of environmental adaptation and hospital clinical practice they face. Methods: This study applied van Manen’s method of analytical phenomenology. Data were collected through in-depth interviews with a total of seven nursing students from July–September 2017. Results: This study extracted six themes: ‘Days spent struggling to adapt to clinical area’, ‘Encountering language barriers’, ‘Not achieving expected benefits from bilingual language as they have not been exposed to multi-cultural nursing’, ‘Seeing themselves as lesser as they lose confidence’, ‘Needing support systems for academic performance as well as emotional status’, and ‘Finding themselves through growing up through clinical practice.’ Conclusion: Based on the results of this study, it is suggested to provide a network of overseas Korean nationals under a mentoring program that can be a guide to the school life of Korean nursing students abroad. Further study should include research that confirms their level of verbal and emotional difficulty and the effects of specific programs that can support them.
음란물 접촉과 청소년의 성 가치관의 변화 : 서울 일개 중학교를 중심으로
김가영,김슬기,김지아,박다현,연현숙,오연경,주혜인,차근영 이화여자대학교 간호과학대학 2011 이화간호학회지 Vol.- No.45
This document's purposes are to give basic data in the viewpoint of nursing through investigation on the change of teenager's sexual values resulted from pornography experience. 150 middle school boy students who were in first, second and third grade were surveyed. Investigated place is limited only one school which is located in Seoul city. 123 Data was available among the 150 surveyed data. Collected data are statistically processed using SPSS program. To verify the reliability, Cronbach'a was applied and analysed using t- test, ANOVA. In short, the main results of this survey are as follows. 1. The general characteristics of surveyed students: Most of surveyed students were middle school 3rdgrade(42.5%) who had computer at their room ranked first (47.2%). The average using time of internet was more than 2 hours (35.4%, the highest rate). 76.6% of surveyed students answered that they had experience of watching the pornography. 2. 53.1% of surveyed students, which is the highest ratio, experienced pornography before they entered middle school. The curiosity rank first (57.%) about the question why they watch pornography. In case of students who had no experiences of pornography answered that they didn't watch pornography because they had no concern on pornography (51.6%). 3. On sexual values, the average scores of pornography non-experienced (3.77±0.46, full score: 5..0) are higher than those of pornography-experienced (3.53±0.51), showing statically significant difference against pornography -experienced group. 4. Findings of sexual values scores on general characteristics were as follows; The higher in grades, the lower in scores. Top-graded students gained higher scores of sexual values than low graded students showing statistically significant difference in both case of characteristics.
재래돼지 Melanocortin Receptor 1(MCIR)의 변이에 관한 연구
한재용,정일정,김태헌,윤두학,연성흠,최봉환,노환국,김남순,이화진 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.3
The melanocortin 1 receptor (MC1R) gene is the major candidate gene for coat color in pig since it is assumed to be controlled by an allele at the Extension (E) locus. A 702 by fragments of the MC1R gene were amplified by PCR, cloned and sequenced from 6 heads of Korean native pig. Of them, 4 pigs possessed allele#2 which is associated with black coat color in pig, the others had allele#1 which revealed a unique allele in European wild boar reported by Kijas et al. (1998). PCR-RFLP was carried out to observe their alleles from 6 different pig breeds including Korean native pig, Berkshire, Duroc, Landrace, Large White, and Meishan pig. Two pairs of primers were designed for amplifying the MC1R gene fragment corresponding to five polymorphic sites. PCR products were digested 5 different restriction enzymes. Nsp I , MspA 1 I , Rca I , Hha I and Acc II , and electrophoresed in 2.5% Metaphor agarose gel. All breeds except for Korean native and Meishan breeds were the same alleles reported by Kijas et al. (1998). Of 9 Meishan pigs tested in this study, 4 heads possessed the same allele, 5 heads were different alleles reported by Kijas et al. (1998). A total of 15 different alleles revealed in Korean native pig. The results of this study strongly suggest that black coat color in Korean native breed was associated with a constitutively active receptor at codon 99 (L99P).
알파술폰 고급지방산 폴리에틸렌 글리콜 에스테르류의 합성
남기대,김진현,연영흠,정노희 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.2
α-sulfonated fatty acid polyethylene glycol esters with polyethylene oxide(addition, 3, 5, 10mol) were synthesized through esterification of α-sulfonated fatty acid methyl esters with alkyl chain length C_12∼C_18. Their compounds were separated with column chromatography, and confirmed by TLC. Quantitative analysis of all the sulfonates were performed according to JIS K-3362 method, and ethylene oxide unit number were determined by ISO 2270 method. Structural properties of α-sulfonated fatty acid methyl esters and their derivatives were also identified from IR. and ^1H NMR spectra.
임부의 연령에 따른 보완대체요법에 관한 인식 태도 경험 비교 연구
김연진,김지연,노경민,신혜리,유예지,이지민,장희조,정아인,최소정,강숙정,이향연,민혜영 이화여자대학교 간호과학대학 2016 이화간호학회지 Vol.- No.50
Purpose: This study aims to test if the age of pregnant women affects the perception, experience, and attitude towards complementary alternative therapy (CAT), by investigating the perception, experience, and attitude of pregnant women under the age of 35, and above 35 (Advanced Maternal Age). The study will 1) find the general characteristics of pregnant women under and over the age of 35 2) compare the perception, behavior, and experience of pregnant women under and over the age of 35, and 3) find the comparison of the perception, behavior, and experience according to the general characteristics of pregnant women under and over the age of 35. Method: The subjects of this study are composed of 44 women under the age of 35 and 44 women above the age of 35, totaling 88 pregnant women visiting midwiferies, obstetrics and gynecology, and baby fairs in Seoul and Gyeong-Gi area. Data for this study was collected from November 28, 2015 to January 6, 2016 for 40 days. The collected data analyzed mean, standard deviation, t test, ANOVA, and chi-square by using SPSS 23.0. Result Results show that there is a significant difference in the perception, attitude, and experience of the two-sample groups in the use of CAT. The question of “what is most necessary when applying CAT in a hospital clinical environment” for the perception criteria came out with the results of t=9.980, p<.05. For the attitude, results showed that the answers of pregnant women under the age of 35 displayed a more positive attitude towards CAT. (t=2.421, p<.05) Lastly, in the experience section, pregnant women under the age of 35 showed more CAT use than the other sample group. Conclusion Results have shown that there is a difference in the perception, behavior, and experience between the two sample groups. Therefore further research on the efficacy and the adverse effects of CAT needs to be done.