• Title/Summary/Keyword: Colour Study

검색결과 423건 처리시간 0.028초

기본유의 변화가 안료의 발색에 미치는 영향과 Computer D-base해석 (Effect of Variable Base Glaze on the Gradation of Colouring and Analysis of The Computer D-Base)

  • 임희진;최성철
    • 한국세라믹학회지
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    • 제36권4호
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    • pp.333-342
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    • 1999
  • This research was performed to investigate how the basic glaze change affected colour development at high temperature with a stable colorant (spinel structure CoAl2O4 pigment) The compounded pigment which is widely used for porcelain was also tested for the basic glazes adaptability. The data from the test were recorded in a computer data-base program. Therefore could be easily used in the study related with a pottery field. CoO : Al2O3 system spinel pigment of barium glaze lime glaze zinc glaze lead glaze and talc glaze were chosen for this study. The colors of Cobalt blue bright blue, blue purple were seen at the wave lengths of 455-480nm at the firing temperature of 1250$^{\circ}C$. Stable color were obtained from lime glaze bar-ium glaze zinc glaze. All the information in the database were used to examine all the possible result of the test in the study of porcelain. When the test results database were examined in all temperature ranges the lack of adhesion with the pigment occurred at the temperature of 1150$^{\circ}C$. The lack of adhesion is seen due to vaporization of the lead glaze.

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아크릴계 수지(Paraloid B-72)가 사찰벽화 보존에 미치는 영향에 관한 연구 - 금산사 미륵전 외벽화를 중심으로 - (Assessing the Effects of Acrylic Resin (Paraloid B-72) on Buddhist Mural-painting conservation - Focusing on Outside Mural Paintings of Mireuk Hall in Geumsan Temple -)

  • 이경민;한경순;이화수
    • 보존과학연구
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    • 통권29호
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    • pp.65-90
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    • 2008
  • This study examines the status and the physical features of Paraloid B-72 layers with examination of microstructure and analysis of organic matters. Paraloid B-72 layers were coated on samples from the colour layer of outer wall painting in Mireuk hall in Geumsan temple. On the basis of the previous examination result, it has made the samples which are similar to outer wall in Mireuk hall in Geumsan temple. The samples can be divided into two, one; 5% Paraloid B-72 coating and another is without coating. Then samples have been experimented under the compulsive environments of infrared radiation and immersion, thereafter compared the results of the damages and physical features between two samples. As a result of the comparison, the sample with Paraloid B-72 had more serious cracks, exfoliations and peeling layers than that of without Paraloid B-72. Otherwise, in the examination of ultraviolet radiation, the sample with Paraloid B-72 coating showed weaker physical properties, less density in structure of colour layer and less hardness in surface of colour layer than the sample without coating. The percentage of moisture content after the ultraviolet radiation was higher in the sample without Paraloid B-72 than the sample with Paraloid B-72 coating. Observing the conditions before the ultraviolet radiation, the sample with Paraloid B-72 coating demonstrated lower rate in moisture evaporation rate than the sample without Paraloid B-72. As a consequence, in examination of this samples, the change of physical features are increased in the sample with Paraloid B-72 coating than that without Paraloid B-72 when compulsive environment of heat, moisture and ultraviolet rays for a short term are imposed.

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Effects of Mannan-oligosaccharides and Live Yeast in Diets on the Carcass, Cut Yields, Meat Composition and Colour of Finishing Turkeys

  • Konca, Yusuf;Kirkpinar, Figen;Mert, Selim
    • Asian-Australasian Journal of Animal Sciences
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    • 제22권4호
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    • pp.550-556
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    • 2009
  • This study was designed to evaluate the effects of dietary prebiotic (mannan oligosaccharide = MOS) and probiotic (Saccharomyces cerevisiae = SC) in finishing turkey diets on carcass, cut yield, meat composition and colour. A total of 72 ten-weeksold Big6 male turkey poults were used in the trial. There were eight replicate floor pens per floor with three birds in each. The experiment lasted up to 20 wks of age. The trial was set up as a completely randomized design with 3 dietary treatments. The treatments were: i) negative control (C, no additive); ii) MOS 1 g per kg of diet and iii) SC 1 g per kg of diet (strain SC47, $300{\times}10^{10}$ CFU/kg). Body weight (BW) and feed intake were determined for each of the two week intervals. Twenty-four birds were slaughtered and eviscerated to determine carcass, carcass parts and internal organ weights at 20 wks of age. Meat colour and pH levels were measured 24 h after slaughter. The dietary treatments did not affect BW and average daily gain during the trial (p>0.05). The average daily feed intake and feed conversion ratio of turkey toms fed with MOS were higher than those of control and SC groups during the overall period (p<0.05). The dietary treatments did not affect carcass yield, breast meat, thigh, wing, liver, heart, empty gizzard, intestine, and abdominal fat pad proportions and meat pH, composition and pigmentation (p>0.05). These results suggest that the addition of MOS and SC is not likely to produce any performance or carcass characteristics in finishing turkeys at 10 to 20 wks of age.

시각장애인을 위한 컬러 인식 점자 시스템 개발 연구 (A study on developing color braille system for the blind)

  • 안준환;이순종
    • 감성과학
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    • 제10권4호
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    • pp.571-581
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    • 2007
  • 이 컬러 인식 점자 시스템은 시각장애인의 대부분인 후천적 시각장애인들의 색인지를 돕기 위한 시스템으로 이는 후천적 시각장애인들의 대다수가 시력을 잃기 전 색을 인지하고 있었다는 점에 착안한 것이다. 이 시스템은 전 세계적 약속체계이고 색체계 중 가장 범용되는 먼셀 색체계를 기반으로 간단한 인지체계와 조형원리를 활용하여 색을 정확히 인지할 수 있다는 특징이 있으며 단순히 색상만 인지할 수 있는 것이 아닌 채도, 명도까지 확인이 가능, 총합 153가지의 색상을 확인할 수 있다. 또한 기존 점자 사용과의 이질감을 최소화하기 위해 점자의 위치와 돌출 정도만 변화를 준 단순한 디자인으로 실생활에 쉽게 사용이 가능하며 다양한 분야에 적용될 수 있으리라 사료된다. 이 시각장애인을 위한 컬러 인식 점자 시스템이 다양한 분야에 적용되어 시각장애인들이 색인지를 통해 사회와 소통, 일반인과 동등한 입장에서 문화생활을 누리게 되길 기대한다.

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2D-3D 정합기반 실제 제품의 사실적 3D 모델 생성 (Realistic 3D model generation of a real product based on 2D-3D registration)

  • 김강연;손성민
    • 한국산학기술학회논문지
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    • 제14권11호
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    • pp.5385-5391
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    • 2013
  • 온라인을 기반한 제품의 구매가 활성화 됨에 따라, 소비자들의 제품 디자인에 대한 사실적이고 정확한 정보를 요구하고 있다. 본 연구에서는 제품의 형상정보(3D mesh)와 색/질감정보(image)를 이용하여 텍스쳐 맵핑된 실사적 3차원 모델을 생성하는 효율적인 방법을 제안한다. 3 차원 형상정보에 대응하는 이미지 상의 텍스쳐 좌표 관계를 구하기 위해 오브젝트 좌표계와 카메라 좌표계 사이의 변환행렬, 카메라의 초점거리, 카메라 CCD 와 프레임상의 이미지 사이의 종횡비를 파라미터로 하는 2D-3D 정합을 수행한다. 이러한 2D-3D 정합에 있어 발생하는 연산의 복잡도와 비선형도를 낮추기 위하여, 카메라 내부파라미터 검정단계, 임의의 회전행렬에 대한 임시적 최적 이동 벡터 (TOTV), 회전행렬에 대한 비선형 최적화 단계로 접근한다. 제안하는 방법의 유용성을 시현하기 위해 3차원 컬러 측정기로는 색외관을 획득하기 힘든 메탈릭 페인트 재질로 이루어진 제품에 적용한 구현결과를 보인다.

Changes in the Total Lipid, Neutral Lipid, Phospholipid and Fatty Acid Composition of Phospholipid Fractions during Pastirma Processing, a Dry-Cured Meat Product

  • Aksu, Muhammet Irfan;Dogan, Mehmet;Sirkecioglu, Ahmet Necdet
    • 한국축산식품학회지
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    • 제37권1호
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    • pp.18-28
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    • 2017
  • Pastirma is a dry-cured meat product, produced from whole beef or water buffalo muscles. This study was carried out to investigate the effect of production stages (raw meat, after curing, after $2^{nd}$ drying and pastirma) on the total lipid, neutral lipid, phospholipid and fatty acid composition of phospholipid fraction of pastirma produced from beef M. Longissimus dorsi muscles. The pH and colour ($L^*$, $a^*$ and $b^*$) analyses were also performed in raw meat and pastirma. It was found that pastirma production stages had significant effects (p<0.01) on the total amounts of lipid, neutral lipid and phospholipid, and the highest amounts of lipid, neutral lipid and phospholipid were detected in pastirma. In pastirma, neutral lipid ratio was determined as $79.33{\pm}2.06%$ and phospholipid ratio as $20.67{\pm}2.06%$. Phospholipids was proportionately lower in pastirma than raw meat. Pastirma production stages affected pentadecanoic acid (15:1) (p<0.01), linoleic acid (18:2n-6) (p<0.05), ${\gamma}-linoleic$ acid (18:3n-6) (p<0.05), erucic acid (22:1n-9) (p<0.05), docosapentaenoic acid (22:5n-6) (p<0.05), total unsaturated fatty acid (${\Sigma}USFA$) (p<0.05) and total saturated fatty acid (${\Sigma}SFA$) (p<0.05) ratios of phospholipid fraction and also the moisture content (p<0.01). Pastirma process also affected pH and colour ($L^*$, $a^*$ and $b^*$) values (p<0.01), and these values were higher in pastirma than raw meat.

The effects of light colour on female rabbit reproductive performance and the expression of key genes in follicular development

  • Xiaoqing, Pan;Xinglong, Wang;Le, Shao;Jie, Yang;Feng, Qin;Jian, Li;Xia, Zhang;Pin, Zhai
    • Journal of Animal Science and Technology
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    • 제64권3호
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    • pp.432-442
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    • 2022
  • The purpose of this study was to analyse the effects of light colour on rabbit reproductive performance and the expression of key follicular development genes. Rabbits (n = 1,068, 5 months old, 3.6-4.4 kg live body weight) were divided randomly into four groups, housed individually in wire mesh cages and exposed to red, green, blue, and white light-emitting diode (LED) light (control). The lighting schedule was 16 L : 8 D-15 d / 150 lx / 6:00 am-22:00 pm (3 d preartificial insemination to 12 d postartificial insemination). Red light and white light affected the conception rate and kindling rate and increased the total litter size at birth (p < 0.05). The effects of red light on litter size at weaning, litter weight at weaning, and individual weight at weaning increased compared with the green and blue groups. The effects of red light on live litter size at birth were increased compared with those in the blue group (p < 0.05). Compared to white light, green and blue light reduced the number of secondary follicles (p < 0.05). Compared to red light, green and blue light reduced the number of tertiary follicles (p < 0.05). Compared with white light, red LED light resulted in greater ovarian follicle stimulating hormone receptor and luteinizing hormone receptor mRNA expression (p < 0.05). Compared with green and blue LED light, red LED light resulted in greater B-cell lymphom-2 mRNA expression (p < 0.05). Compared with green LED light, red LED light inhibited FOXO1 mRNA expression in rabbit ovaries (p < 0.05). Red light can affect the reproductive performance of female rabbits and the expression of key genes for follicular development.

Effect of Acacia karroo Supplementation on Growth, Ultimate pH, Colour and Cooking Losses of Meat from Indigenous Xhosa Lop-eared Goats

  • Ngambu, S.;Muchenje, V.;Marume, U.
    • Asian-Australasian Journal of Animal Sciences
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    • 제26권1호
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    • pp.128-133
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    • 2013
  • The objective of the study was to determine the effect of Acacia karroo supplementation on growth, ultimate pH, colour and cooking losses of meat from indigenous Xhosa lop-eared goats. Eighteen castrated 4-month-old kids were used in the study until slaughter. The kids were subdivided in two treatment groups A. karroo supplemented (AK) and non-supplemented (NS). The supplemented goats were given 200 g per head per d of fresh A. karroo leaves. The kids were slaughtered on d 60 and sample cuttings for meat quality assessment were taken from the Longistimus dorsi muscle. The supplemented kids had higher (p<0.05) growth rates than the non-supplemented ones. The meat from the A. karroo supplemented goats had lower (p<0.05) ultimate pH and cooking loss than the meat from the non-supplemented goats. Acacia karroo supplemented goats produced higher (p<0.05) $b^*$ (yellowness) value, but supplementation had no significant effect on $L^*$ (lightness) and $a^*$ (redness) of the meat. Therefore, A. karroo supplementation improved growth performance and the quality of meat from goats.

구약 성서에 나타난 제사장의 복식에 관한 연구 (A Study on the Costume of Priest depicted in the Old Testament)

  • 김현;유송옥
    • 복식
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    • 제51권6호
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    • pp.53-65
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    • 2001
  • The major purpose of this study is to obtain the evident and visual structure of costume of priest with symbol through the Old Testament. Based on corroborative the Old Testament, this thesis analyzes the costume of priest. This compares Aaron with his sons. This compares the two onyx stones on the shoulder pieces with four rows of precious stones on the breastpiece. This compares the robe with the woven tunic. This era falls on about from the 15th century before Christ. The crafts men whom God have endowed with skill make the vestments. Due to the christian religion, the body was entirely concealed. The costume of priest were not only used as dignity but also grandeur. According to the Old Testament the colour of the costume has signified not only the colour sense but also important symbolic meanings. The priest wore, over undergarments, a woven tunic, and he wore over the tunic, a robe, an ephod, a breastpiece, a sash, using a turban as head covering. Gold, and blue, purple and scarlet yarn, and fine linen are used. Aaron and his sons must wear them whenever they enter the Tent of Meeting or approach the altar to minister in the Holy Place, so that they will not incur guilt and die.

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태백산 개천절 제의 깃발에 그려진 별자리 연구 (A STUDY OF THE CONSTELLATION MAPS IN MT. TAEBAEK'S HARVEST CEREMONY FLAG)

  • 양홍진
    • 천문학논총
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    • 제25권4호
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    • pp.119-128
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    • 2010
  • Gaecheonjeol is the National Foundation day of Korea when people hold a harvest ceremony. Nowadays, two representative harvest ceremonies of Korea are performed at Mt. Mari (摩利山) and Mt. Taebaek (太白山) on Gaecheonjeol (October 3rd). We study 28 flags with constellations appearing in the ceremony of Mt. Taebaek. These flags are lying in the outer of the circular stone wall during the ceremony. They represent an oriental heavenly star chart. We examine the shape, the connecting-pattern, the name, and the number of constellations drawn in the flags, and find several errors, such as, a wrong position, a typo of name, an irregular size, an omission, and so forth. Traditionally, the 28 oriental constellations are usually divided into four groups and each group has its own colour for each direction: Blue (E), Black (N), White (W), and Red (S). For the constellation flags in Mt. Taebaek, the colour of the flags is painted based on geographical directions, but the constellations are arranged followed by the direction of the celestial sphere. Thus, constellations in the northern and southern parts are counterchanged. Finally, we suggest some possible criteria for constellation map of the flags in this paper. CheonSangYeolChaBunYaJiDo (天象列次分野之圖) and CheonMunRyuCho (天文類抄) can be essential references for correcting constellations drawn in the flags of Mt. Taebaek.