보문 : Polyethylene Film포장이 포도 Sheridan의 저장력에 미치는 영향

남상영(Sang Young Nam),김경미(Kyoung Mi Kim),박종천(Jong Chun Park),주선종(Seon Jong Joo),정재현(Jai Hyun Jung) 한국식품저장유통학회(구 한국농산물저장유통학회) 1997 한국식품저장유통학회지 Vol.4 No.1

최소자승법을 이용한 다수 베타 방출 핵종 혼합물의 방사능 분석

선광일,남욱원,공경남,김창규,이동명,이상국 대한방사선 방어학회 2001 방사선방어학회지 Vol.26 No.4

베타선 스펙트럼의 최대 에너지가 확실하게 구별되는 2개의 핵종만을 포함하는 혼합시료의 경우에는 최대 에너지가 다르다는 점을 이용하여 손쉽게 각 핵종의 방사능값을 측정할 수 있다. 그러나 3개 이상의 베타 방출 핵종이 포함된 혼합물에 대해서는 각 핵종의 스펙트럼이 서로 겹치기 때문에 이러한 방법으로 구해진 방사능값은 신뢰도가 떨어지게 된다. 따라서, 본 연구에서는 최소자승법을 이용하여 혼합물의 중첩된 베타선 스펙트럼을 각각 분리 정량분석할 수 있는 밥법을 제시하였다. 또한, 실제로 4개의 베타 방출 핵종 ^3H, ^14C, ^16Cl, 90Sr)이 혼합된 사료를 조제하여 본 분석법을 검증한 결과 최고치 Reference value)와 분석치가 7% 이내에서 잘 일치함을 보였다. It is possible to count and perform quench correction on two β-label samples so long as the maximum β-energies are sufficiently different. However, when the coventional technique is applied to the radioassay of a mixture of more than three nuclides, the reliability of the activiteis determined is considerably reduced, resulting from the large overlapping of liquid scintillation pulse height distributions of ezch nuclide. A technique that allows the activities of multiple β-labeled samples to be radioassayed was proposed by using the least square method. The technique was applied to mixture samples of ^3H, ^14C, ^16Cl, and ^90Sr. The analytical values were in good agreement with the reference values within 7% relstive error.

불교사상으로 바라본 휘트먼의 사랑

윤선경 한국현대영미어문학회 2001 The Journal of KACELLS Vol.6 No.1

Whitman expressed purified mercy which can be inferred from Buddhist Thoughts as love in his Leaves of Grass. Turning away from the literary tradition in his days, he wrote his poems with various forms of Modern free verse, and frankly approached subjects that were not openly discussed. Entering Nirvana means that the individual is able to have affection toward not only men, but toward all living things. So, Whitman's love seems to be purified mercy in Buddhist Thoughts. As a cosmic Self, the poet accepted disregarded matters such as the body and sex as the main themes in his poetry. Individuals as well as En-masse were celebrated. The position of women was elevated to Divine Average just as men were. At last the poet pursued true humanity beyond creeds and schools. Buddhist Thoughts in Whitman's poetry were expressed as his main themes- Transcendental Self, love and death. If Self was transcended, individual might practice an altruistic way of life and then could be loving to all human beings involved in nature. So, overcoming fear caused from the fear of death, there was no death in the poet's world. His Leaves of Grass was written with such deep poetic mind and imagination. In accordance with such thoughts, his unique poetic view, which was distinguished from that of his days, was established.

뇌성마비 환아의 재활간호중재를 위한 이론적 고찰

백경선 진주간호보건전문대학 1999 진주간호보건전문대학 논문집 Vol.22 No.2

칡즙 및 알콜로 추출한 칡엑기스 성분

양선경,고영수 漢陽大學校 韓國生活科學硏究所 1994 韓國 生活 科學 硏究 Vol.- No.12

This study was undertaken to examin the value of Pueraria mirifica root as a health-promoting tea, by investigating the components creating the flavor of tea and the saponin ingradient making medical effect. The proximate composition, free sugar, free amino acid, minerals, tannin and caffein constituents were identified and quantitatively measured by using High performance liquid chromatography (HPLC), Gas chromatography (GC), Atomic absorption spectrophotometer (A.A.S.) and the others. While the saponin content was compared with Panax ginseng extract. The result of the experiment are as follows. 1.In the case of, proximate composition of raw Pueraria mirifica root, the moisture content was 65.15, the ash content was 2.58, the crude fat content was 1.12, the crude protein content was 1.76, and the carbohydrate content was 29.39%. 2.In the free sugar content, 50% alcohol extract was the highest. While, Pueraria mirifica root juice was the lowest. The order of the free sugar content are sucrose, maltose, fructose, glucose. 3.In the case of the free amino acid content, 50% alcohol extract was the highest. While, Pueraria mirifica root juice was the lowest. In the experiment, fifteen kinds of amino acid were extracted. The order of the free amino acid, the content of aspartic acid, glutamic acid, valine and leucine were higher than that of histamine, threonine, methionine, tryptophan. 4.In the case of the minerals content, 30 and 70% alcohol extract were the highest. While, 90% alcohol extract was the lowest. In the experiment, ten kinds of minerals were extracted. The content of K, Ca, Mg, Na were higher than that of Pb, Zn, Cd, Mn. 5.Tannin of Pueraria mirifica root juice was lower than that of Pueraria mirifica root extracts. Tannin of 0% alcohol extract was the highest. While, 95% alcohol extract was the lowest. Caffein was not detected in all samples. 6.In the case of saponin, 70% alcohol extract was the highest. While, Pueraria mirifica root juice was the lowest.

장애아동 가족과 관련된 국내 간호학 학위 논문분석

백경선,최경숙 중앙대학교 간호과학연구소 2001 중앙간호논문집 Vol.5 No.2

This study, an analysis of the theses of the nursing science related to the family of handicapped children of the nation, is to analyze 24 pieces of theses in the science of nursing, from 1970 to December, 2000, to find the present state of nursing study related to the family of handicapped children up to date and to be sought the direction In the future. The results of the analysis is as follows; 1.The theses related to the family of handicapped children reach 24 pieces, 14 pieces of maters' theses(58.3%) and 10 of doctoral theses(41.7%). The period between 1995 and 1999 has most fruitful studies, 10 theses(41.7%). 2. For a methodology, 19 theses(79.2%) is covered by quantitative study, while 5 theses by qualitative study, all of them being doctoral thesis, disclosed since 1990. 3. For the level of theory, 10 theses fall within factor-related study, while qualitative study, situation-related, and situation generating studies is 5, 3, and 2 theses respectively, which are among doctoral theses. For a main concept, it shows mothers' stress-related concept, family adaption-related concept, and mothers' experience to be most frequently studied. Each of them is 5 respectively. 4. For a study design, experimental studies are 2 and non-experimental 17, of quantitative studies. Correlation studies reach 10, while of qualitative studies, 4 pieces are phenomenal studies. 5. As a subject, it finds to be most frequent theses using with mothers, 13 studies(54.1%). 6. For a measurement tool, it totals 43, most of them translated from foreign tools. Various tools were used and the measurement tool related to family were used most frequently. 7. Correlation theses reach 10, studying the correlation between the concept of family adaptation, countermove, stress and social support, and many factors. 8. It shows comparative studies to be 2, examining the comparison between handicapped children and normal children and mothers. 9. Experimental studies are 2, identifying the difference according to the nursing intervention of parents training program. 10. It finds 2 studies for model development, both of them to be developed the structure of family adaptation and the standard of social support. 11. There are 5 qualitative studies, most of them examined phenomenally and understood the subject of bringing-up experience. Based of the above results, It would suggest as follows; 1. It requires an understanding through experimental study related to handicapped children and various kinds of qualitative studies. 2. It need to be a diversity of a subject and a diversity of handicap. 3. It requires the development of training program to manage handicapped children. 4. It requires inter-disciplinary studies thereof.

Paraquat 처리에 의한 Bacillus megaterium의 Superoxide dismutase 활성저해

최경호,김춘숙,유지선 대구효성가톨릭대학교 1993 연구논문집 Vol.46 No.1

The effect of paraquat (1, 1'-dimethyl-4,4'-dipyridilium dichloride) treatment on activity of microbial superoxide dismutase(SOD), a key enzyme which protects the organism from toxicity of oxygen, was investigated. Exponentially growing cells of Bαcillus megaterium(ATCC 1987) were treated with 1.OmM paraquat by cultivation in the concomitant presence of the paraquat. Paraquat-treated culture showed a linear decrease in turbidity, cellular weight and vidable cell counts while those of control culture showed a linear increase until nine hours of cultivation. After nine hours of cultivation, turbidity(0.68), dry cell weight(1.19mg/ml) and viable cell counts(5.0×19?cells/ml) of the treated culture reached to approximately 62%, 83% and 4% of those of initial, respectively. Paraquat-treated culture(in vivo) showed a SOD activity of 0.68unit/ml and a specific activity of 1.79unit/mg protein after nine hours of cultivation. These values were equel to 22% and 44% of the control culture, respectively. When enzymes were liberated from sonic-disruptured cells(in vitro) by orderly using of sodium phosphate buffer, buffered lysoyme and triton X-100, paraguat-treated culture showed an increased activity of the engyme, while control culture did not show any significant increase of the enzyme activity. Activities of SOD drastically decreased as increasing the paraquat concentration in the crude enzyme lysate, although protein content was not significantly varied. The lysate dissolved 1.0mM paraquat showed a specific activity of SOD decreased to 45% of control lysate. It was noticed that the decreasing rate was approximately similar to that of the lysate prepared from paraquat-treated cells.

LP강판의 두께변화에 따른 강거더의 효율성 평가

양경환,정경섭,이종선,권소진 충북대학교 건설기술연구소 2003 建設技術論文集 Vol.22 No.1

There has been an increased interest in the Longitudinally Profiled(LP) plate as a structural element for bridges, due to its advantage to efficiently distribute the sectional force applied to the structure. The advantage also includes the reduction of weight and the number of welding points. The LP plate was originally developed in Europe, and the application has since increased rapidly on steel bridges in Europe and Japan. Though widely used internationally, much of the study for the structural application of the LP plate is yet to be performed. In this paper, the workability of the LP plate was evaluated by the tests for tensile and bending. In addition, the stability was reviewed and verified by a comparison between experimental and analytical results. The economical efficiency was also examined for different section types by finite element analysis.

고분자 전해질 감습막의 합성과 전기적 성질

공명선,조준상,이학민,김경호 경북대학교 센서기술연구소 1991 센서技術學術大會論文集 Vol.2 No.1

고분자 습도센서의 감습재료로 이용하고자 4-vinylpyridine (4-VP) 과 methylmethacrylate(MMA) 의 공중함체를 전극에 도포한 후 α, ω-dihaloalkane으로 4 차 암모늄화시킨 후 습도변화에 따른 전기저항을 측정한 결과 소수성 모노머인 MMA의 양이증가할 수록 전기저항이 증가하였으며, 또한 α, ω-dihaloalkane에 의한 4차 암모늄화 반응시간에 따라서도 전기저항의 크기 및 감습막의 안정성에 차이가 있음을 알 수 있었다. In order to for a humidity sensitive material of polymeric humidity sensor, a copolymer of 4-vinylpyridine (4-VP) and methylmethacrylate (IBA) is coated on the electrode and then 4 quartermization by α, ω-dihaloalkane, and thereafter measured the electrical resistance due to humidity variation. As a result, the more content of MMA which is a hydrophobic monomer is increased, the more property of electrical resistance is increased. Also, according to the reaction time in 4 quarternization by α, ω-dihaloalkane we can see the diferences of the magnitude of electrical resistance and the stability of humidity -sensitive membrane.

마이크로 컴퓨터에 의한 심전도 데이타 압축 알고리즘의 개선

이명호,이경중,황선철,정혁구 연세대학교 대학원 1988 延世論叢 Vol.24 No.-

This paper represents an improved ECG data reduction algorithm which is very useful for real time ECG analysis based-on microcomputer. In order to increase data reduction rate of Turning Point(TP), existing real time data reduction algorithm. The results obtained from the improved Modified Turning point(MTP) data reduction algorithm applied to three different pattern ECG signals. (1) The average data reduction rate of MTP algorithm is 67%, which is increased by 17% than that of TP algorithm. (2) The average percent rms difference(APRD) which is a normalized value that indicates the error between two signals is 9.4% for TP algorithm, while the APRD of MTP algorithm is 6.2% for MTP algorithm. It means that the PRD can be improved by 3.19. Therefore, it gives more excellent resolution than that of TP algorithm.