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검색결과 143건 처리시간 0.038초

한국 제주도에서 날개멸과(대구목) 어류, Bregmaceros nectabanus의 첫 출현 및 북서태평양 날개멸과 8종의 종검색 (First Reliable Record of Bregmaceros nectabanus (Gadiformes; Bregmacerotidae) from Jeju-do Island of Korea, with a Key to Species of Eight Bregmacerotids from the Northwestern Pacific)

  • 장서하;김진구
    • 한국수산과학회지
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    • 제54권3호
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    • pp.340-349
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    • 2021
  • Three specimens (33.6-44.8 mm in standard length) of the family Bregmacerotidae, collected from the waters off south-western Jeju-do Island in October 2016, were identified as Bregmaceros nectabanus on the basis of morphological and molecular methods (DNA barcoding). This species is characterized by having 50-52 2nd dorsal fin rays, 52-53 anal fin rays, 13 principal caudal fin rays, an unpigmented abdomen, irregularly distributed dorsal chromatophores, and the origin of a dorsal fin slightly behind the anal fin. This is the first reliable record of B. nectabanus in Korea. According to Yoo et al. (1992), we propose a Korean name "Tae-Pyeong-Yang-Nal-Gae-Myeol" for this species. Also, we suggest key to species of these eight bregmacerotids from the northwestern Pacific.

A new record of Scutellaria (Lamiaceae) in Korean flora: S. guilielmii A. Gray

  • KIM, Jung-Hyun;YANG, Young-Tae;LIM, Chae Eun;KIM, Jin-Seok
    • 식물분류학회지
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    • 제51권1호
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    • pp.103-108
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    • 2021
  • A new distribution of Scutellaria guilielmii A. Gray is discovered in Korea. This species was collected from seashores on Pyoseon-ri, Pyoseon-myeon, Seogwipo-si, Jeju-do. S. guilielmii is distinguished from other related Korean taxa of the genus by having broadly winged nutlets (fruits). Here, we provide a precise description, illustrations, key to the related taxa, and photographs of its habitat. The new Korean name is given as 'Nal-gae-gol-mu-kkot', considering the broadly winged nutlets (fruits). In addition, new habitats are likely to be discovered through plant biodiversity surveys of the southwestern coastal islands.

Development of an Adaptive Neuro-Fuzzy Techniques based PD-Model for the Insulation Condition Monitoring and Diagnosis

  • Kim, Y.J.;Lim, J.S.;Park, D.H.;Cho, K.B.
    • E2M - 전기 전자와 첨단 소재
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    • 제11권11호
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    • pp.1-8
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    • 1998
  • This paper presents an arificial neuro-fuzzy technique based prtial discharge (PD) pattern classifier to power system application. This may require a complicated analysis method employ -ing an experts system due to very complex progressing discharge form under exter-nal stress. After referring briefly to the developments of artificical neural network based PD measurements, the paper outlines how the introduction of new emerging technology has resulted in the design of a number of PD diagnostic systems for practical applicaton of residual lifetime prediction. The appropriate PD data base structure and selection of learning data size of PD pattern based on fractal dimentsional and 3-D PD-normalization, extraction of relevant characteristic fea-ture of PD recognition are discussed. Some practical aspects encountered with unknown stress in the neuro-fuzzy techniques based real time PD recognition are also addressed.

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The Effects of Interferential Current and Kaltenborn-Evjenth Orthopedic Manual Therapy on Functional Constipation

  • Koo, Ja-Pung;An, Ho-Jung;Koo, Hee-Seo;Park, Ji-Hwan;Kim, Suhn-Yeop;Kim, Yong-Kwon;Choi, Jung-Hyun;Kim, Soon-Hee;Min, Kyung-Ok
    • 국제물리치료학회지
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    • 제1권1호
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    • pp.45-51
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    • 2010
  • 2 week study was conducted to investigate the effects of Interferential Current(IC) and Kaltenborn-Evjenth Orthopedic Manual Therapy(KEOMT) on functional constipation. Interventions were applied to spinal segments between $T_9-L_2$ which provides innervations to the gastrointestinal tract. Subjects(n=24) were randomly allocated to two treatment groups: the IC group or the KEOMT group. Results for the IC therapy demonstrated significant decrease with the colonic transit time(CTT) as well as scores on the constipation assessment scale(CAS). The frequency of defecations per week had increased significantly(p<0.05). The KEOMT displayed decreased CTT in the left colon region. The scores on the CAS were reduced and frequency of defecations per week had increased significantly (p<0.05). This study not only showed that both modes of therapy improved symptoms of constipation, but also optimized gastrointesti. nal content movement, eventuating in a more normalized CTT. In conclusion, both the IC therapy and the Kaltenborn-Evjenth Orthopedic Manual Therapy have shown to be effective interventions for improving functional constipation.

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Carbon Nanotubes Multi Electrodes Array to Image Capacitance for Label-free Discrimination of Lipid Region in Atherosclerosis ex vivo

  • 송준호;이선미;한날애;유경화
    • 한국진공학회:학술대회논문집
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    • 한국진공학회 2016년도 제50회 동계 정기학술대회 초록집
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    • pp.372.1-372.1
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    • 2016
  • Recently, there are a lot of diseases all around the world. Out of them, Atherosclerosis (AS) is the most common cause of stroke, cardiovascular mortality, and myocardial infarction. The macrophage-derived foam cell, which is formed by oxidized low-density lipoprotein (oxLDL), is the crucial marker for AS. In this study, we report a label-free capacitance imaging technique with multi-electrode array (MEA). The lipid-rich aorta arch lesions, which are derived from an apolipoprotein-E receptor-deficient (apoE-/-) mouse, exhibit higher capacitance than the lipid-free aorta arch, allowing the capacitance imaging of lipid region in atherosclerosis. To improve the contacts between MEA and tissue, polypyrrole(PPy)-coated multi walled carbon nanotubes (MWNTs) multi electrode array (PPy-MWNTs-MEA) was fabricated. Compared to TiN-MEA, PPy-MWNTs-MEA yielded lower contact impedance and better capacitance images. In addition, we have also developed a flexible MEA using single walled carbon nanotubes on a PET substrate. The lipid region could be discriminated in the capacitance images of the lipid-rich aorta arch lesions measured using flexible MEA, demonstrating a feasibility of in vivo applications.

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기본간호학 실습교육방법에 따른 학생들의 간호수행능력의 비교 (Comparison of Student′s Clinical Competency in Different Instructional Methods for Fundamentals of Nursing Practicum)

  • 유문숙;유일영;박연옥;손연정
    • 대한간호학회지
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    • 제32권3호
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    • pp.327-335
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    • 2002
  • The main purpose of this study was to compare the clinical competency in different instructio nal methods for funda- mentals of nursing practicum, standardized patients methods story as text method ,and traditional lecture/model method. Method: The study was designed as a quasi-experimental, nonequivalent control group post-test design with three separate classes of sophomore students attending fundamentals of nursing classes at one baccaleureate nursing school located in metropoli tan Seoul area. Control group was taught by traditiona lecture/ model method and two experimental groups were taught by standardized patients method and story as text method. Data were collected from September, 1999 to June 2001. There were 36 students in the standardized patient method group, 38 students in story as text group, and 40 students in the control group. Data analysis was done using SPSS WINDOW 9.0. Result: The results showed that the standardized patients method and story as text method groups were significantly better in clinical judgement and communication skills than the traditional lecture/model method group. The standardized patients method group was significantly better in clinical nursing skills performance than two other groups. However, there was no significant difference among the three groups in student satisfaction. Conclusion: The standardized patients method is an effective in teaching clinical cometency for student nurses. It is necessary to explore more efficient way to develop standardized patients cases for wider areas of nursing education. Also, it is recommended to develop more research projects with many nursing programs.

공명 핵반응을 이용한 수소적층 분석 (Hydrogen Depth Profiling by Nuclear Resonance Reaction)

  • 김영석;김준곤;홍완;김덕경;조수영;우형주;김낙배
    • 한국진공학회지
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    • 제2권4호
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    • pp.416-423
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    • 1993
  • Hydrogen depth profiling was performed by H(19F, $\alpha$${\gamma}$) nuclear resonance reactin . A cesium sputtering ion sorce and 1.7MV Tandem Van de Graaff accelerator was used for the production of 6.5MeV 19F ion. The ${\gamma}$ rays produced by the reaction were measure dby 3" $\times$3" and 6" $\times$8" Nal detectors . A test measurement was done for hydrogen contaminatin layer of a bare silicon wafer, Si3N4(H) and Zr(O)a-Si/Si for the purpose of verifying the applicability , detection limit and the reliability of the method.ility of the method.

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이유식의 조리법과 월령별 이유 급식 계획 (Recipes for the supplementary foods and monthly feeding plans for infants)

  • 민성희;손경희;이영미
    • 한국식품조리과학회지
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    • 제9권4호
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    • pp.312-316
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    • 1993
  • This study was carried out to develop supplementary foods for infants and monthly feeding plans of five steps. The developed supplementary foods were divided into 3 stages. First stage was designed for the babies just beginning eat pureed vegetables and fruits. Second stage was combined the nutritio-nal attributes of both vegetables and meat. Third stage was featured bite-sized pieces of tender meat and vegetables that appealed to the most mature tastes of babies. Feeding plans were divided into 5 steps according to their development. At 3 months, small amount of supplementary of smooth porri-dge can be introduced after a milk feeding each day. At 5 months, the quantity of supplementary foods can be gradually increased, and it can be given after 2 or 3 times of milk feedings. By being given different foods, infants will learn to become accustomed to new flavors at 7 months. At 9 months, the same types of additional foods are given at least 3 times a day after the milk feeds. Infants will be able to take most of the foods at 12 months, and it is important to give the infants solid foods after milk feedings at least 3 times a day.

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미국 대학도서관 이용지도의 발달

  • 이영자
    • 한국도서관정보학회지
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    • 제3권
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    • pp.51-78
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    • 1976
  • Since educating all students in learning how to learn and iic\il- to adapt thernselves to the changing society is the most desirable :.:.il:ii of education in the modern world, it is necessary that the library hc:one an increasingly important part of the students' learng activities. The development of the desire and necessary skills to seek mi! to acquire lino~vledge should be encouraged and planned by the acac:e:liic library. The effective instruction in the use of academic lihra1.1.- can provide the students with the cspxbility to carry on their own icL,i.!nal education through their life. This paper is to make a brief trace of the development of liGl-ary instruction in American universities and colleges oiyer the decades, providing the overview of many successful components of saxe representative projects and experiments, from which to clarify coi~in;on problems and principles involl-ed in them. Any one of standard approaches so far identified has turned o:lt to be not a perfect method in that each has its own merits and pl-oblcms. It may be that the process of analysis and evaluation is 1-aluab!e for better comprehensive perspectives in future program of the instr~iction in the use of academic libraries. An effort is sincerely made to giie an impetus to the recogrriiivn of the importance of library instruction in Korean academic .yorid to meet the urgent needs of the modern society.

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해운환경 변화에 따른 해기사 교육의 개선책 (A Study on Improvement Measures for Mariner's Education and Training with Changes of International Maritime Environment)

  • 양시권
    • 한국항해학회지
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    • 제17권2호
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    • pp.1-27
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    • 1993
  • As the education of maritime college has a characteristics of seafaring professional institutions, the potential benefit following from the employment of seafarers would put substantial impact on it. The socio-economic position of seafaring occupations has been deteriorated considerably with changes of ship's auto-mation, specialisation and low cost operation management of shipping companies through severe internatio-nal competitions. The quality and number of applicants for the maritime college has declined and most students have no hopes for the study of seafaring subjects which followed bewildering in their college days. However, the demands for seafarers are fairly large from the viewpoint of national maritime industry. The maritime institutions should not only meet these demands but also revitalise students by reforming the educational contents. The contents should be influenced by the social approach to educational needs in particular maritime shore-oriented subjects. The maritime education is no more restricted to the sea, it covers the land based world of the maritime industry as well. The new contents will lead the maritime educated students to the shore-based occupa-tions after finishing their seafaring if they want to. This may not only make ways to the maritime educa-tion fruitable, but also the students have a zeal and hope for the subjects taught.

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