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대학생의 선지각에 관한 연구 (A Study on the Color Perception of University Students)

  • 안옥희;박숙현;이정옥
    • 한국조명전기설비학회지:조명전기설비
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    • 제7권4호
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    • pp.19-25
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    • 1993
  • 본 연구는 한국표준색의 색지각 범위를 파악하는데 그 목적이 있다. 남자 99면, 여자 126명의 대학생을 실험대상으로 하였으며 육안비색법과 색측정기를 사용하여 분석하였다.그 결과 다음과 같은 사항을 밝혔다. 1) 색지각은 크게 4가지 유형으로 구분되었다. 즉, 빨강, 주황, 귤색, 노랑이 속한 단순형, 다홍, 노랑연두, 연두, 보라, 붉은 보라가 속한 X형, 초록, 청록, 바다색, 파랑, 감청이 속한 Y형, 풀색, 녹색, 남색, 남보라, 자주, 연지가 속한 복합형이다.2) 표준색과 평균지각색을 비교한 결과, 다홍, 노랑, 노랑연두, 연두, 풀색, 녹색, 초록, 보라는 그 값이 유사하였으며 파랑, 바다색, 붉은 보라, 연지 등은 표준색과 평균 지각색 사이의 차가 크게 나타났다. 3) 성별에 따른 지각차는 많은 색에서 나타났으며 여성이 남성보다 정확하게 색을 지각하고 있다는 것이 밝혀졌다.

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담배포장에서의 복숭아혹진딧물 체색형별 발생과 생태적 특성 (Occurrence and Ecological Characteristics of Colour Morphs of the Green Peach Aphid, Myzus Persicae (Sulzer) (Homoptera : Aphididae) in Tobacco Field)

  • 손준수;송유한
    • 한국연초학회지
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    • 제16권1호
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    • pp.76-83
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    • 1994
  • The dominant colour - types of fundatrices of green peach aphid, Myzsts persicae 5. were yellow - green, red and green. Yellow type was the minority among nymphs produced by field collected alatae. Rate of producing dead nymphs was over 34.0% in red and yellow types apterae grown from tobacco plants in early summer. Brown and green were the dominant colour - type in apterae throughout tobacco growing season. Brown type on tobacco, and yellow type on hot pepper and tomato grew better and produced more nymphs than other colour - types.

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남성복의 동일 색조 색상 코디네이션에 대한 조화감 지각 (The Harmony Perception According to Color Coordination of Identical Tone for Menswear)

  • 임지영
    • 복식
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    • 제57권6호
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    • pp.32-45
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    • 2007
  • Among 96 color combination stimuli, male students evaluated 47 set as harmonized, but female students evaluated 32 set, so proved that male's range of harmony more extensive than that of female. Specially red shirt and yellow red necktie in all tone was evaluated as harmonized coloration by both male and female students. Female evaluated as the best harmonious coloration that red shirt-yellow necktie in dark, blue shirt-yellow necktie in dark, purple shirt-red necktie in light, green shirt-blue necktie in dull, and male evaluated red shirt-yellow red necktie in light, blue shirt-yellow necktie in light, purple shirt-red necktie in light, green shirt-yellow necktie in dark. It is significant difference between female and male on red-green in vivid, and blue-purple in vivid, blue-blue in dull, blue-yellow in dark, and purple-purple in dull. And shirt color and necktie color, necktie color and tone, tone and perceiver' gender influenced on the harmony evaluation by interaction.

식품색에 대한 대학생의 기호도에 관한 조사연구 (Examination into Favorable Taste of College Students on Food Colors)

  • 황춘선;박모라;신영자
    • 한국식품조리과학회지
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    • 제8권4호
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    • pp.387-396
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    • 1992
  • This study was conducted to examine the favorable taste of food color for one month of November 1991 With 200 college students consisting 100 male and 100 female students. The color to examine the favorable food was based on Munsell color standard of ten colors such as F. Birren seven colors (red, orange, yellow, yellowish green, green, blue and violet), brown, pink and black. And then, the data of this study was analysed by using frequency(%), mean values, standard deviation, t-test, Chi-square, Spearman correction with SAS Package on the basis of 100% collection and reliable coefficient alpha= .775. The result of this study is summarized as follows. 1. It was shown that the male college students (59%) showed remarkable interest in the food color higher than that of female college students (92%), and that 85% of male students and 97% of female students considered that the food color has an effect on appetite. In addition, the food name having an effect of the food color on appetite appeared in such order as carrot (13.0%), apple (10.9%), spinach (7.0%), cucumber (6.0%) and red pepper (5.6%). The important factor in choosing the favorable food was the taste for both male and female college students, while the male and female students considered the food color as the 4th, respectively, and the 3rd important factor in choosing the favorable food. 2. The favorable food color appeared in order such as orange, red, yellow, yellowish green, green, blue, violet, pink, black and brown colors for the male college students, and in order such as red, orange, yellow, green, yellowish green, brown, violet, black, pink and blue. Also, there was difference between the male and female college students in such colors as brown, yellowish green, blue and pink. It was also shown that there was no relation between the male and female college students in examining the order of favorable food colors and general colors when selecting null hypothesis (ASE: .405). The food name associated with the color was apple for red color, orange for orange color, coffee for brown color, banana for yellow color, lettuce for yellowish green color, spinach for green color, mackerel for blue color, eggplant for violet color, sausage for pink color and bean for black color 3. The favorable color combination of both male and female college students showed red with green, orange with yellow, yellow with green, green with yellow, pink with violet and black with black. In addition, the favorable combination of the male college students indicated brown with black, yellowish green with orange, blue with red and violet with yellow while the female college students did brown with yellow, yellowish green with green, blue with yellow and violet with pink. The favorable combination color showing difference between the male and female college students included orange, brown, violet, pink and black colors. 4. The relation between the food color and terms of favorable taste showed that “light and mild color” is yellow, that “untasty color” is black, that “sourish and puckery color” is orange, that “bitter color” is violet, that “hot color” is red, and that “fresh color” is green which were answered by both male and female college students. However, the male and female college students considered yellow, respectively, and orange as “tasty color”, and black and yellow, respectively, as “sweet color”. Then, the taste term showing difference between male and female college students included “light”, “mild”, “sourish”, “tasty” and “sweet”. Based on the above result of this study, it is apparent that there is a close relation between the food color and appetite while being difference between the general color and taste. In addition to this fact, there is also some differences between male and female college students in the taste of food color.

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한미 대학생의 색지각에 대한 비교연구 (The Comparison of Color Perception between Korean and American undergrauates)

  • 안옥희;박진호
    • 조명전기설비학회논문지
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    • 제17권1호
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    • pp.10-16
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    • 2003
  • 본 연구는 육안비색법으로 파악한 13개의 미국표준색을 색채색차계를 이용하여 측색하여 미국표준색에 대한 남녀대학생의 색지각 범위를 CIE색도도 위에서 파악하여 이를 한국의 결과와 비교하는데 그 목적이 있다. 남자 60명, 여자 51명 계 111명의 미국대학생을 대상으로 한 실험결과 다음과 같은 사항을 밝혔다. 1) 눈동자 색에 따른 색지각의 차이는 나타나지 않았다. 2) 미국대학생의 색지각은 크게 4가지 유형으로 구분되었다. 즉 Yellow, Green, Blue, White, Gray, Black이 속한 단순형, Yellow Red가 속한 X형, Blue Green, Purple이 속한 Y형, Yellow Red, Purple Blue가 속한 복합형이다. 3) 한미 양국인의 색지각유형을 비교한 결과, Yellow Red, Green, Blue, Purple의 경우는 지각유형이 다르다는 것을 알았다. 4) 표준색과 평균지각색을 비교한 결과, 모든 색에서 표준색과 평균 지각색 간의 차이가 크다. 그리고 한미간의 비교를 한 결과, 한국인이 미국인보다 정확하게 색을 지각하고 있음을 알았다. 5) 표준색과 1순위 지각색을 비교한 결과, 미국인은 Red, Yellow, Green은 비교적 정확하게 지각하고 있으나, Blue Green, Blue, Purple Blue, Red Purple의 색지각 정확도는 매우 낮았다.

DiffServ 방식의 Assured Service 에서 플로별 관리 없이 Fairness향상을 위한 Aggregate Fairness Marker (An Aggregate Fairness Marker without Per Flow Management for Fairness Improvement of Assured Service in DiffServ)

  • 박지훈;허경;엄두섭
    • 한국통신학회논문지
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    • 제29권7B호
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    • pp.613-627
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    • 2004
  • 본 논문은 DiffServ 방식에서 Assured Service를 이용하는 각 사용자 플로간에 수율의 공평성을 향상시키기 위하여 도메인 입구 라우터에서 Aggregate Fairness Marker (AFM)를 제안한다. 각 사용자별 플로의 패킷 표기 방법은 본 논문에서 제안하는 방법인 user flow Three Color Marker (uf-TCM)에 따라서 각각 green 패킷과 yellow 패킷, 그리고 red 패킷으로 구분되어 나온다. yellow 패킷은 uf-TCM에서 손실된 토큰을 소비하는 패킷 및 AFM에서 집합 트래픽에 대한 계약률을 준수하지 못하여 demotion 된 green 패킷에 대한 표기 방법이다. 제안하는 AFM은 플로별 관리 없이 공평한 방법으로 yellow 패킷을 green 패킷으로 promotion 하거나 green 패킷을 yellow 패킷으로 demotion 하여 사용자별 수율의 공평성 및 링크 이용률을 향상시킨다. DiffServ 내부 라우터에서는 yellow 패킷과 red패킷의 패킷 폐기 우선순위를 동일하게 하여 RIO 버퍼 관리 방식을 사용할 수 있게 한다. 성능 평가는 제안하는 AFM과 플로별 관리 없이 수율 공평성 향상을 위해 제안되었던 REDP Marker를 비교하였으며, 시뮬레이션 결과는 본 논문에서 제안하는 방식이 잉여 대역폭이 있는 경우와 최소대역폭이 있는 경우, 그리고 대역폭이 부족한 상황에서 각 사용자 플로간의 수율 공평성 및 링크 이용률 향상에 효과가 있음을 단일 도메인뿐만 아니라 다중 도메인 환경에서도 보인다.

유치원 아동이 그린 치과의사 그림의 주조색과 아동의 치과불안도의 연관성에 관한 연구 (MAIN COLORS OF PRESCHOOL CHILDREN'S DRAWINGS OF THE DENTIST AND THEIR ASSOCIATION WITH THE DENTAL ANXIETY)

  • 유두선;이광희;김대업;노동주
    • 대한소아치과학회지
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    • 제24권1호
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    • pp.235-246
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    • 1997
  • This study was done as a pilot study to develop a color test measuring children's dental anxiety. The subjects of study were 511 preschool children aged from 3 to 6. Caries experience was examined. Children's drawings of the dentist were collected and analyzed by the method of human figure drawing test modified by Sonnenberg and Venham. Colors of high dental anxiety level were black, brown, purple, red, yellow, pink, green, orange, blue, gray, yellow ochre, and white in that order. Colors of high frequency of use were yellow ochre, green, blue, red, orange, pink, black & purple, yellow, brown, gray, and white in that order. As the age increased, white & gray, yellow ochre, and blue increased and black, purple, and pink decreased. Boys liked green and blue, and girls liked orange and yellow. Filled teeth rate was highest in yellow ochre group and very low in black group. Children who had an educational dental visit before the test used green color more than the rest of children.

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Influence of Upland Soil Texture on Dry Weight and Growth of Yellow Mustard as a Landscape and Green Manure Crop

  • Cho, Hyeoun-Suk;Seo, Myung-Chul;Park, Tea-Seon;Kim, Jun-Hwan;Sang, Wan-gyu;Shin, Pyeong;Lee, Geon-Hwi
    • 한국토양비료학회지
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    • 제48권6호
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    • pp.677-682
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    • 2015
  • Although it is not a landscape crop according to MIFAFF(ministry of agriculture, food and rural affairs), yellow mustard is considered a superb landscape crop because of its growth and flower characteristics. We sowed yellow mustard as a landscape and green manure crop in upland soil (four types of soil texture) in spring. And we studied its flowering characteristics, dry weight, and nitrogen yield. The growths of yellow mustard were possible in every soil ranging from sandy soil to clay loam. Its height was 54.1 ~ 76.1cm and the number of node per hill was 11.3 ~ 17.0. Its flowers had a light yellow. It took about 44 ~ 50 days to flower, and flowered for 22~25 days. The dry weight of yellow mustard was $2.27{\sim}3.60tonha^{-1}$ with highest in sandy loam and loam. Among the nutrients of yellow mustard, nitrogen(T-N) was $12.6{\sim}20.8gkg^{-1}$, and C/N ratio was 21.6~37.7. The nitrogen yield of yellow mustard was $35{\sim}62kgha^{-1}$. In conclusion, because of its flowering characteristics and dry weight, yellow mustard was considered appropriate for both green manure and landscape crop uses.

Paper chromatography와 Thin-layer chromatography에 의한 시판 Jelly류의 착색료에 관한 고찰 (A study on the Detection of Artificial Dyes in the Commercial Jellys by Use of Paper Chromatography and Thin-Layer Chromatography.)

  • 구성회;오석흔;우세홍;한양일;이성호;남궁석;박선이
    • 한국환경보건학회지
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    • 제4권1호
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    • pp.10-12
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    • 1977
  • A study was carried out to detect of illegal artificial dyes and to confirm the used rate of illegal dyes in the production process of commercial jellys by thindayer chromatography and paper chromatography, from March, 1976 to July, 1976. The following conclusions were obtained 1. Seperated dyes were amaranth, erythrosin, tatrazin, sunset yellow FCF, fight green SF yellowish, fast green FCF and the most frequent use of amaranth. 2. Used rate of legal dyes were 94.12% (96 samples) and illegal dyes were 5.88% (6 samples) with samples 102. 3. The average Rf value of T.L.C. were amaranth (0.92), erythrosin (0.48), tatrazin (0.83), sunset yellow FCF(0.86), fast green FCF (0.63), light green SF yellowish (0.23) and paper chromatography were amaranth (0.76), erythrosin (0.44), tatrazin(0.75), sunset yellow FCF (0.76), fast green FCF (0.86), light green SF yellowish(0.52).

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중국인의 색지각 특성에 관한 연구 -한국, 중국과 일본 3국인의 색지각 특성비교를 중심으로- (A Study on the Characteristics of the Color Perception of Chinese People : Focused on a Comparison of the Characteristics of Color Perception among Korean, Chinese and Japanese People)

  • 조영미;성지은;안옥희
    • 조명전기설비학회논문지
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    • 제27권5호
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    • pp.1-8
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    • 2013
  • The purpose of this study is investigate the characteristics of color perception among Chinese people, and compare the characteristics among Korean, Chinese and Japanese people, using Munsell color space. The results are as follows: 1) Chinese people were more likely to tell accurately red, yellow red, yellow, purple, and an achromatic color, but did not do accurately green yellow, blue, and purple blue. In terms of a comparison of average perceived color and standard color, there were significant differences among green yellow, blue green, and blue and standard color; 2) Color perceptions of Korean, Chinese and Japanese people were broadly classified into four types. Also, of ten chromatic colors, the color perception type of only two colors, red and yellow, were is same among the groups of the three countries. However, the color perception type of yellow red, green, blue green and blue were different among them; and 3) In terms of a color perception accuracy test among the groups of the three countries, there were not significant differences between yellow and purple and standard color. However, significant differences existed between the rest of the colors and standard color.