• 제목/요약/키워드: terms analysis

검색결과 15,890건 처리시간 0.042초

장단기유출 양용저유 탱크 모델의 개발에 관한 연구 (II) (Studies on the Development of Storage Tank Model for both Long and Short Terms Runoff (II))

  • 이순혁;박명근
    • 한국농공학회지
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    • 제33권2호
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    • pp.51-60
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    • 1991
  • The main objective of this study is to examine the adaptability for the large watershed of the storage tank model which can be applied for the analysis of both long and short terms runoff developed on the basis of hydrologic data for a smaH mountaineous watershed. The results obtained in this study are summarized as follows ; 1. Areal rainfalls of the Dae Chong watershed were calculated by Thiessen method composed of 9 Thiessen networks. 2. Optimal parameters for two types, Model A and Model B of tank models were derived through calibration procedure by standardized Powell method. 3. Monthly simulated flows of Model B are seemed to be closer to the monthly observed than those of Model A during calibration period in the long terms runoff. 4. Relative errors for the simulated flood flows of Model B were apperaed as lower percentage to the observed than those of Model A during calibration period in the short terms runoff. 5. Daily simulated hydrographs of Model B are seemed to be closer to the daily observed than those of Model A during verification period in the long terms runoff. Significance of Model B was highly acknowledged in comparison with Model A in the correlation analysis between annual observed and annual simulated runoff. 6. Reproducibility of simulated flows for Model B is generally seemed to be better than that of Model A during calibration period in the short terms runoff. 7. It can be concluded that reproducibility of Model B is superior to that of Model A in the long and short terms runoff even a large watershed like the result of the small one. 8. It was verified that adaptability for the large watershed of Model B is superior to that of Model A between the two models which were developed by a small watershed characteristics for both long and short terms runoff. 9. Further study for getting a suitable tank model is desirable to be established by the decision, calibration method of initial parameters of tank model and by additional application of another watershed with different watersheds and meterological characteristics.

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청소년 자살생각 관련변인에 관한 메타분석 (A Meta-Analysis of Variables Related to Suicidal Ideation in Adolescents)

  • 김보영;이정숙
    • 대한간호학회지
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    • 제39권5호
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    • pp.651-661
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    • 2009
  • Purpose: This study was done using meta-analysis to examine 58 studies from studies published in the past eight years (2000 to 2007) that included variables related to adolescents' suicidal ideation. Methods: The materials for this study were based on 32 variables which were selected from masters' thesis, doctoral dissertation and articles from Journals of the Korean Academy of Nursing. Results: The classification consisted of 5 variables groups and 32 variables. In terms of effect size on risk, variables which were significant included psychological variables (0.668), socio-cultural variables (0.511), family environmental variables (0.405), school environmental variables (0.221), and personal characteristics variables (0.147). In terms of effect size on protection, variables which were significant included personal characteristics variables (-1.107), psychological variables (-0.526), family environmental variables (-0.264), and school environmental variables (-0.155). In terms of effect size on risk variables, psychological variables (0.668) were highest. In terms of effect size on protective variables, the variable of personal characteristic (-1.107) was the highest. Conclusion: While the results indicate possible risk and protective variables for suicidal ideation, but prediction is still difficult. Further study to compare adolescents with similar variables but no suicidal ideation and those with suicidal ideation is necessary.

A Study on the Positioning Strategy of Wood Cultural Experience Center

  • Kyungrok WON;Jinwoong BYEON;Dowoong YOON;Jonghye PARK;Hanmin PARK;Heeseop BYEON
    • Journal of the Korean Wood Science and Technology
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    • 제52권2호
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    • pp.175-190
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    • 2024
  • The increase in atmospheric carbon dioxide concentrations is known to be closely associated with climate change and global warming. In this sense, considering that facilities for appropriate education and experience on wood, which is a carbon pool, have been required, this study targets the Wood Cultural Experience Centers, which are in current operation, examines and evaluates their operation status and policy changes, and ultimately derives a successful positioning plan. To this end, it conducts a survey, and the results are as follows. First, as a result of the similarity analysis (KYST: Kruskal-Young-Shepard-Torgerson program) with facilities with leisure activities and educational functions, the Wood Cultural Experience Center have competition with natural recreation forests in terms of naturalness, and it has competition with the career experience center and youth training center in terms of experiential observation. Second, the result of positioning analysis of the attribute space map indicates that the Wood Cultural Experience Center is positively perceived in terms of such attributes as naturalness, experiential learning or recreation, and preservation of natural environment, but is negatively recognized in terms of accessibility, escape from daily life, and things to see.

검색 포털들의 검색어 추천 서비스 분석 평가: 네이버와 구글의 연관 검색어 서비스를 중심으로 (Analysis and Evaluation of Term Suggestion Services of Korean Search Portals: The Case of Naver and Google Korea)

  • 박소연
    • 정보관리학회지
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    • 제30권2호
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    • pp.297-315
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    • 2013
  • 본 연구에서는 주요 검색 포털들의 검색어 추천 서비스를 분석, 평가하였다. 이 연구에서는 네이버와 구글 코리아를 대상으로 추천되는 연관 검색어의 적합도 및 최신성을 평가하고, 연관 검색어의 개수 및 분포, 연관 검색어가 제공되지 않는 질의의 특징을 조사하였다. 또한 연관 검색어의 유형을 질의와 연관 검색어의 관계 측면에서 분석하고, 연관 검색어들 중 유해 검색어의 유형 및 특징, 비표준어의 유형 및 특징도 조사하였다. 마지막으로, 한글 질의와 영어 질의, 대중적인 질의와 전문적인 질의의 연관 검색어의 특징을 비교하였다. 연구 결과, 네이버가 구글보다 연관 검색어의 적합도와 최신성이 다소 높은 것으로 나타났다. 또한 구글과 네이버 모두 새로운 연관 검색어를 제시하기보다는 질의에 단어를 추가 또는 삭제하거나, 질의와 동일한 검색어나 동의어 검색어를 제공하는 경우가 많은 것으로 나타났다. 본 연구의 결과는 향후 포털들의 검색어 추천 서비스의 개선에 활용될 수 있을 것으로 기대된다.

통증어휘를 이용한 관절통 척도개발의 예비연구 (Pilot Study for Scale Development for Measurement of Arthritic Pain Using Pain Terms)

  • 이은옥;김종임
    • 근관절건강학회지
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    • 제10권1호
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    • pp.44-53
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    • 2003
  • Purpose : This study was to identify Korean terms appropriate for a new scale using pain terms to assess the pain of the arthritis patients. Method : This study was conducted by secondary analysis of two previous studies, one from Kim's data (1994) and the other from Lee and Choi's(1988). The subjects were 482 patients with arthralgia. Data were analyzed by SPSS Win 11.0, for frequencies, percentages, and means. Results : Five pain groups were sorted out from the sensory pain category, three in the affective pain category, and two in the miscellaneous pain category by selecting groups of pain terms expressed more than 50% by all subjects. Local inflammatory repeated pain terms, simple irritative pain terms, superficial pressure pain terms, traction pain terms, and peripheral nerve terms were included in the sensory pain category, fatigue-related pain terms, digestion-related terms, and suffering-related terms in the affective category, and dull pain terms and body cavity pressure pain category. Among five sample groups terms selected by more than 3 groups with more than 30% of patients were dugumhada, sikungorinda, wooksinwooksinhada, nurudusi apuda, and dangginda in the sensory pain category; nogonhage apuda, gobukhada, and jajungsurupge apuda in the affecte pain category; and buctjockgigunhada and manjimyon apuda in the miscellaneous pain category. Conclusion : Ten pain groups were tentatively selected out of 20 pain groups; 10 pain terms composed of 1 pain term from each group were selected out of 90 pain terms from thesecondarydataofarthriticpainpatients. Implications More detailed clinical studies are needed for the refinement of the scale.

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실버 패션 아이콘 Iris Apfel의 패션 스타일에 관한 연구 (The Study on the Silver Fashion Icon Iris Apfel's Fashion Style)

  • 김장현;김영삼
    • 패션비즈니스
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    • 제24권3호
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    • pp.101-113
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    • 2020
  • This study considers aesthetic characteristics by examining the fashion style of the silver fashion icon Iris Apfel. The research methods were a quantitative and qualitative analysis of Iris Apfel's images that were collected from 2015 to 2019 on various web-sites according to four criterions following advanced research analysis of fashion style. The results of the study are as follows. The analysis results on the fashion style of Iris Apfel, an icon of silver style, showed that cocoon, barrel and A-line silhouettes appeared most in terms of silhouettes. Second, in terms of colors, achromatic colors dominated among solid colors while one particular vivid color appeared most it came to mixed color. In terms of multi colors, these appeared according to the patterns applied to her clothing, in particular, colorful colors were used to emphasize splendor. Third, flower, bird and geometric patterns appeared most in terms of material patterns. Lastly, it was found that white short cut hair, large necklaces or bangle bracelets, over-sized black glasses and fur mufflers or canes were used in terms of hair and accessories. The features derived through analysis of the fashion style of Iris Apfel, an icon of silver style, are as follows. The first feature is exaggeration through splendid primary colors and over-sized silhouettes. The second feature is the hybrid of modern composition methods using natural images and exotic preferences. The third feature is her representation of identity using fixed items.

경관영향평가 항목선정을 위한 타당성 평가 (Estimation of Validity for Item Selecting of Landscape Impact Assessment)

  • 오명성;조현주;이현택;나정화
    • Current Research on Agriculture and Life Sciences
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    • 제26권
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    • pp.7-15
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    • 2008
  • This research is significant in terms of estimating the validity by setting evaluation items in view of integrating not only original beauty and visual areas but also natural ecological areas based on questionnaire. The results are as follows. 1) According to literature study, 17 items such as variety, the character of sites in terms of landscape, the beauty of landscape, visibility, and ratio of green visibility are selected. Also, 21 items such as variety of animals and plants species, size of green area, and ecological naturalness are selected in the area of landscape ecological resources. 2) As a result of questionnaire of the group of landscape experts, animals and plants ecological areas show 5.6341, the highest in importance analysis according to assessment areas. Also, as a result of importance analysis on items in each area, for example, in the area of visual resources, the item of skyline analysis is 6.0488, the highest. 3) As a result of corelation of item meaning on landscape effect assesment, for example, meaningness of psychological assessment item and landscape site item indicate 0.710, the highest coefficient correlation. 4) As critical assessment items per unit project, items such as damage minimization of original land features for project in terms of point, ratio of green visibility, variety of animals and plants species marked above 8.0 as high important medium. The project in terms of line, minimization of original land features, preservation of worthy biotope showed high point and the character of sites in terms of landscape, minimization of original land features, the size of green area, and analysis of skyline marked above 8.5 as high importance points. On the contrary, items for climate and soil showed relatively low points.

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Measurement of ecological niche of Quercus aliena and Q. serrata under environmental factors treatments and its meaning to ecological distribution

  • Lee, Seung-Hyuk;You, Young-Han
    • Journal of Ecology and Environment
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    • 제35권3호
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    • pp.227-234
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    • 2012
  • Quercus aliena and Q. serrata are both occur as natural vegetation alongside natural freshwater bodies of the southern Korea Peninsula. Q. serrata dominates over Q. aliena as secondary forest vegetation in the present day. In order to explain these natural distributional traits of the oak species, we conducted some experiments with oak seedlings which treated with major important environmental resources, including light, moisture and nutrients, under controlled conditions. We then measured the ecological niche breadths and overlap from 15 eco-morphological characteristics. The ecological niche breadth of Q. aliena and Q. serrata were higher in terms of the nutrient factor applied, but was lower terms of light. The niche breadth of Q. serrata was wider than that of Q. aliena in light and moisture exposure. On the other hand, the niche breadth of Q. aliena was similar with that of Q. serrata in terms of the nutrient factor applied. These results imply that Q. serrata has a broader ecological distribution in over a wider variety of light and moisture environments than that of Q. alien. Ecological niche overlap between two oak species was the widest in terms of the light treatment factor applied, and narrowest in terms of moisture. This response pattern was also verified by cluster and principle component analysis. These results suggest competitive interactions between Q. serrata and Q. aliena seedlings may be higher for light resources than moisture or nutrient resources, and that Q. serrata is more shade tolerant than Q. aliena.

초등학교 과학 교과서에 제시된 용어 유형 분석 (An analysis of terms presented in Elementary school science textbooks)

  • 권치순;신원섭
    • 대한지구과학교육학회지
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    • 제3권2호
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    • pp.141-147
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    • 2010
  • This study was carried out to analyze terms in primary science textbooks. The results of the research are as follows. 1. The higher-grade science textbooks use more types of categories and less definitions for terms. Only 14% of definitions for terms are showed in textbooks, and no more than 0.4~0.6 definitions shows the shortage of definitions for terms in one class content. 2. The definitions by contract, which forms 68%, was the highest in elementary science textbooks. And the dictionary definitions, which are 62%, was the highest in experiment-observation textbooks. 3. The most used type of definitions is the way which is used for a case or a indicating methods, and its rate is increasing steadily. And its rate was 76% of the whole of terms. 4. Terms used in energy field are few as compared with terms of other fields. Each field has completely different ways of defining terms and presenting content in textbooks to other fields.

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한국응급구조학회지 게재 논문의 중심 단어 분석(2005년-2011년) (Coincidence analysis of keywords and MeSH terms in the Korean Journal of Emergency Medical Services)

  • 이경희;함영림
    • 한국응급구조학회지
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    • 제16권2호
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    • pp.43-51
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    • 2012
  • Purpose : We try to disclose how much the keywords of the papers from the Korean Journal of Emergency Medical Services with Medical Subject Headings(MeSH) terminologies and to understand the major subjects of the recent emergency medical technology research in Korea from keywords. Methods : We analyzed keywords from 524 articles of the Korean Journal of Emergency Medical Services that were published between 2005 and 2011. We investigated frequently used keywords and what percentages of keywords agree with MeSH terms using the MeSH browser. Results : There were on average 3.2 keywords per article. The most frequent key words were AED, Attitude, Cardiopulmonary Resuscitation, CPR, EMT, EMT students, External Defibrillator, Job satisfaction, Knowledge, 119 EMT in order. The number of terms in precise agreement with MeSH headings was 101(19.3%); 327 terms(62.4%) were not found in the MeSH browser and 96 terms(18.3%) partially matched MeSH terms. Conclusion : Many keywords used in the Korean Journal of Emergency Medical Services did not agree with MeSH terms. We conclude that contribution rules should be using MeSH terms and authors should be educated in the proper use of MeSH terms in their research and subsequent publication.