• Title/Summary/Keyword: Color Standards

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Characteristics of Compost Produced from the Composting Facility at Nanjido (난지도 퇴비화시범시설에서 생산되는 퇴비의 품질특성)

  • Namkoong, Wan;Kim, Joung-Dae
    • Journal of the Korea Organic Resources Recycling Association
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    • v.5 no.2
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    • pp.57-64
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    • 1997
  • This study was performed to investigate the characteristics of compost produced from the composting facility at Nanjido. The capacity of the facility is 10 ton/day. Feed material was food waste generated in Seoul. Moisture content of the compost product was 31% and conductivity was 2.6 mmhos/cm. The compost product met Korean quality standards and EC quality standards for VS and C/N ratio. In case of TOC and TKN, they were met with Japan quality standards. The water soluble-C/N ratio finally reached about 5 based on dry compost. The color of compost product was dark brown. The product had earthy smell. Heavy metal contents of the compost were below Korean quality standards by wet basis.

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Study on Analysis of Nose Shape from the viewpoint of Inspection Diagnosis (망진(望診)에서 비(鼻) 형태(形態)의 중요성 연구)

  • Chang, Jun-Young;Kim, Kyoung-Shin;Kang, Jung-Soo;Kim, Byoung-Soo
    • Journal of Haehwa Medicine
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    • v.20 no.1
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    • pp.51-63
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    • 2011
  • There are two methods in inspection diagnosis(望診), the viewing shape(觀形) and the inspecting color(察色). Acquiring proper analysis from viewing shape(觀形) requires several standards of shape that can be compared with. We can identify major defects and flaws of the shape from comparing it with the standards that is defined as very normal shape. Also, It can eventually provide us interpretation of health related meanings of the objective shapes. Those standards need symmetrical and proportional details. In this research, I put some physiognomy and inspection diagnosis related documents, and standards for restorative plastic surgery together to suggest standards on viewing shape diagnosis of nose which is one of the most important spot in facial inspection. It is expected to improve delicacy of Oriental medine's inspection diagnosis, as the result of the comparison between plastic surgery and inspection diagnosis.

A Study on Luminance Contrast Criteria for Tactile Walking Surface Indicators (시각장애인 점자블록의 휘도대비 기준에 대한 연구)

  • Shin, Dong-Hong;Park, Kwang-Jae;Kim, Sang-Woon
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.22 no.1
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    • pp.7-15
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    • 2016
  • Purpose: There are the number of color tactile walking surface indicators installed in Korea, because of indefinite regulation in blind and vision-impaired persons' tactile walking surface indicators. In case of yellow tactile walking surface indicators, it shows a deviation severe color. In this study, the researchers suggested color and brightness reference for helping blind and vision-impaired persons' walking through analyzing the color references of tactile walking surface indicators and the color luminance between tactile walking surface indicators and sidewalk currently used. Method: Reasonable luminance contrast criteria is suggested by examining ways of improving the recognition and recognition of objects according to color contrast visually impaired through literature review and analyzing standards of tactile walking surface indicators and the Europe, Japan and Australia of color and luminance contrast criteria. And by examining the color of the tactile walking surface indicators reported in Korea currently used to derive the problem presented by the luminance contrast in the reference and comparison. Finally, the visually impaired tactile walking surface indicators is set for color selection criteria for the recognition rate improves. Results: In order to improve the recognition rate to be tactile walking surface indicators of the contrast of the visually impaired and the environment than the color of the tactile walking surface indicators itself to secure always a certain level or more of brightness contrast values in the set of the color of the tactile walking surface indicators so important. Implication: In order to set the blind tactile walking surface indicators color recognition based on the verification of the real pedestrian based on the results presented in this paper it is required. It is to be understood as an element of the barrier free configuration for securing the walking pedestrian safety.

Color stability of laboratory glass-fiber-reinforced plastics for esthetic orthodontic wires

  • Inami, Toshihiro;Tanimoto, Yasuhiro;Minami, Naomi;Yamaguchi, Masaru;Kasai, Kazutaka
    • The korean journal of orthodontics
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    • v.45 no.3
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    • pp.130-135
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    • 2015
  • Objective: In our previous study, glass-fiber-reinforced plastics (GFRPs) made from polycarbonate and glass fibers were prepared for esthetic orthodontic wires using pultrusion. These laboratory GFRP wires are more transparent than the commercially available nickel-titanium wire; however, an investigation of the color stability of GFRP during orthodontic treatment is needed. Accordingly, in the present study, the color stability of GFRP was assessed using colorimetry. Methods: Preparation of GFRP esthetic round wires (diameter: 0.45 mm [0.018 inch]) using pultrusion was described previously. Here, to investigate how the diameter of fiber reinforcement affects color stability, GFRPs were prepared by incorporating either $13-{\mu}m$ (GFRP-13) or $7-{\mu}m$ glass (GFRP-7) fibers. The color changes of GFRPs after 24 h, and following 1, 2, and 4 weeks of coffee immersion at $37^{\circ}C$, were measured by colorimetry. We evaluated the color stability of GFRPs by two evaluating units: the color difference (${\Delta}E^*$) and National Bureau of Standards (NBS). Results: After immersion, both GFRPs showed almost no visible color change. According to the colorimetry measurements, the ${\Delta}E^*$ values of GFRP-13 and GFRP-7 were 0.73-1.16, and 0.62-1.10, respectively. In accordance with NBS units, both GFRPs showed "slight" color changes. As a result, there were no significant differences in the ${\Delta}E^*$ values or NBS units for GFRP-13 or GFRP-7. Moreover, for both GFRPs, no significant differences were observed in any of the immersion periods. Conclusions: Our findings suggest that the GFRPs will maintain high color stability during orthodontic treatment, and are an attractive prospect as esthetic orthodontic wires.

Study of the coloration factors of tinted lenses (착색렌즈의 색비율 정량화에 관한 연구)

  • Lim, Yong-Mu;Shim, Moon-Sik;Jung, Ju-Hyun
    • Journal of Korean Ophthalmic Optics Society
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    • v.6 no.2
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    • pp.37-46
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    • 2001
  • In this study, We compared the properties of tinted and colored lenses with the standards m the ordinary optical properties, coloration, UV, IR and luminous transmittance, color acceptance for traffic signal, and chromaticity. The UV, lR and luminous transmittance was analysed in the range of 175 nm to 3000 nm by using a UV-Vis-IR spectrophotometer and was used in the synthesis of spectrum of various color lens. A experimental function was made from the slope obtained from the transmittance change as a function of coloration time. We could expect the ordinary optical properties and color acceptance for traffic signal of various color lenses with the requirements of US standard(ANSI Z-80.3).

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Study of Lighting for Museum Exhibitions (박물관 전시 조명 조사 연구)

  • Lee, Sungeun;Jason, Jae Gill
    • Conservation Science in Museum
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    • v.19
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    • pp.83-98
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    • 2018
  • Most preceding studies on museum lighting have focused mainly on illuminance, however this study examines diverse lighting characteristics, including illuminance, luminance, color temperature, and color rendering to allow a more objective evaluation of museum lighting. In particular, issues with existing museum lighting were examined through visual measurement to find an appropriate condition complying with museum lighting standards while providing a pleasant lighting experience for visitors. Although the top priority of museum lighting is to safely protect collections on display, lighting that takes into consideration luminance, color temperature and color randition will allow more effective appreciation as well as safe conservation of the exhibits.

The Construction of Sensibility Thesaurus Based on Color (색상에 기반한 감성시소러스 구축)

  • Nam, Young-Joon
    • Journal of Information Management
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    • v.34 no.4
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    • pp.43-61
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    • 2003
  • The aim of this article is to study the new searching tool for era of multimedia. Thesaurus is a useful tool but is constituted with noun phrase including the adjective for retrieving the human Sensibility. Therefore, I experimentally construct the Sensibility thesaurus using the color scale which contains the Sensibility meanings. Terms are 261, Relation standards are distance and ratio of reiteration between the terms. I would use an exclusive program of the thesaurus construction for Sensibility adjective.

Thin and Hermetic Packaging Process for Flat Panel Display Application

  • Kim, Young-Cho;Jeong, Jin-Wook;Lee, Duck-Jung;Choi, Won-Do;Lee, Sang-Geun;Ju, Byeong-Kwon
    • Journal of Information Display
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    • v.3 no.1
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    • pp.11-16
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    • 2002
  • This paper presents a study on the tubeless Plasma Display Panel (PDP) packaging using glass-to-glass electrostatic bonding with intermediate amorphous silicon. The bonded sample sealing the mixed gas with three species showed high strength ranging from 2.5 MPa to 4 MPa. The glass-to-glass bonding for packaging was performed at a low temperature of $180^{\circ}C$ by applying bias of 250 $V_{dc}$ in ambient of mixed gases of He-Ne(27 %)-Xe(3 %). The tubeless packaging was accomplished by bonding the support glass plate of $30mm{\times}50mm$ on the rear glass panel and the capping glass of $20mm{\times}20mm$. The 4-inch color AC-PDP with thickness of 8 mm was successfully fabricated and fully emitted as white color at a firing voltage of 190V.

A Study of Fashion and Makeup Style based on Image -focusing on Daejeon and Gyeonggi University Students- (이미지에 따른 패션 및 메이크업 스타일 연구 - 대전과 경기지역 대학생을 중심으로-)

  • Cha, Su-Joung
    • Journal of Fashion Business
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    • v.20 no.4
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    • pp.96-109
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    • 2016
  • This objectives of this research was to look into the actual state of fashion wearing purchase and makeup purchase to recognize the interrelationship between fashion and makeup styles by selecting words used for fashion image and cosmetic style. Such study can offer basic materials for choice of makeup style by each fashion style. Most information on fashion and cosmetics were obtained through the internet. However, a lot of information on cosmetics were also obtained through TV. Therefore, if fashion companies use both internet and TV for advertising, more effect on purchasing might be obtained. The design and color are important standards for selecting clothes. However, the quality and price of clothes are essential standards for purchasing cosmetics. Therefore, for fashion companies, they need to pay more attention to design and color. However, for cosmetic companies, they need to take notice of quality and price. When image words were extracted, fashion images showed the following words: natural, romantic, elegance, casual, and avant-garde, while makeup images showed romantic-casual, elegance, avant-garde, and natural. Regarding the interrelationship between fashion style and makeup style, natural and casual fashion style were harmonized with natural makeup while romantic fashion style was associated with romantic makeup. The fashion style of elegance and avant- garde was associated with elegance makeup. Therefore, similar images were found between fashion and makeup styles.

Quality Characteristics and Industrial Application of Yanggaeng added with Arrowroot Powder in Korea Cultivars (국내산 칡 분말을 첨가한 양갱의 품질 특성 및 산업적 응용)

  • Ho-Kyoung Kim;Hyo-Won Kim
    • Journal of the Korean Society of Industry Convergence
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    • v.26 no.3
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    • pp.509-515
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    • 2023
  • This study examind the product quality characteristics and industrial application of arrowroot powder added Yanggaeng before its industrial application. Several preliminary experiments were conducted by applying manufacturing conditions and varying the amount of arrowroot powder(1%, 2%, 3%, 4%) added to produce Yanggaeng recipes that can be sold commercially. The moisture content of the produce Yanggaeng was low due to the manufacturing standards, but it showed a significant increase with an increase in the ratio, which was similar to the results of other studies on Yanggaeng. The solubility, particale size distribution, and pH also showed a significant increasing trend. The hardness of arrowroot powder added Yanggaeng decreased with an increase in the amount of arrowroot powder, while springiness, gumminess, and chewiness increased with the addition of arrowroot powder. In terms of color, arrowroot powder showed a dark color, which was well suited to white bean paste and could also be used with black bean paste without any problem. These results were due to the manufacturing ratio being adjusted to meet commercial sales standards, resulting in a lower amount of water being used, and the characteristics of arrowroot powder being applied as they were.