• Title/Summary/Keyword: Textures

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Regional-scale metasomatism of Al, K, and Na during stauroliteandalusite- grade contact metamorphism, in the southwestern Nova Scotia, Canada (십자석-홍주석 접촉 변성과정에 수반된 Al, K, Na의 광역적 변성교대작용 - 캐나다 노바스코시아주 서남부의 예 -)

  • Sang-Gi Hwang
    • The Journal of the Petrological Society of Korea
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    • v.6 no.1
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    • pp.52-64
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    • 1997
  • Pelitic rocks of southwestern Nova Scotia have been affected by widespread contact metamorphism due to the intrusion of the Shellburne Pluton, with aureole up to 15 km wide. Well-preserved pseudomorphic textures indicate that common staurolite and andalusite metacrysts formed at the expense only of plagioclase, muscovite and biotite. Excess components (K, Na and Ca) from such replacement reactions imply extensive metasomatism throughout the contact aureole. Modal analysis of a typical andalusite-bearing rock indicates a one-to-one volume ratio of product to reactant. However the products of the replacement reactions contain approximately three times more aluminum than the reactants, indicating that the regional metasomatism also involved aluminum.

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A study on Hue and Surface Texture with the addition ratio of Pigment and Straw in Clay Plaster (안료와 볏짚의 첨가량에 따른 흙미장의 색상과 표면질감에 관한 연구)

  • Hwang, Hey Zoo;Kim, Tae Hun;Yang, Jun Hyuk
    • KIEAE Journal
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    • v.9 no.1
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    • pp.77-83
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    • 2009
  • In this experiment, we used different addition ratio of the pigment and straw, to improve the decorative effect of the finishing touch while finding the kinds of clay colors taking on many sophisticated images, through the comparison between the various colors and textures of the surface. (1) To test the plaster material, added were the pigment of Red, Yellow, Black, and Green by the percentages of 0.5, 1, 1.5, 2, and 2.5, respectively, followed by the analysis of the color changes of the plaster material using the Photoshop (RGB). The results showed the bigger the addition ratio of the red color is, the higher the numeral values of RGB after it dried. However the brightness after drying didn't showed a big difference depending on the addition ratio. With the addition of the yellow pigment, the color difference between after and before drying was bigger in the order of Blue, Green and Red; the brightness increasingly rose while the saturation changed little. (2) When we scratched the plaster surface with U and V shape carving knives, the U knife didn't make a clean shape digging around the clay plaster material but with smooth textures, while the V knife made a clean cut, which represents its readily use in terms of the decorative function of the clay plaster. (3) In an experiment the surface texture was tested with different lengths and additions ratio of the straw, addition of 2cm straw by 1, 2, and 3% presented the most appropriate surface of the plaster.

Gas Production of Chemical Leavening Agents and Effects on Textures of Cookies (화학 팽창제의 가스 발생과 쿠키의 텍스쳐 비교)

  • Yang, Seong-Yeon;Kim, Sang-Yong;Jang, Kyu-Seob;Oh, Deok-Kun
    • Korean Journal of Food Science and Technology
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    • v.29 no.6
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    • pp.1131-1137
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    • 1997
  • The production rates of leavening gases and textures of cookies were investigated with various chemical leavening agents(baking powders). The chemical leavening agents could be divided into three group of a fast-acting group such as potassium bicarbonate, tartaric acid, aluminium ammonium sulfate, and fumaric acid, a slow-acting group such as ammonium bicarbonate, sodium bicarbonate, $glucono-{\delta}-lactone$, and ammonium chloride. and a double-acting group such as anhydro monocalcium phosphate, disodium dihydrogenpyrophosphate, and aluminium potassium sulfate according to the different production rate of gases. The leavening rate of ammonium bicarbonate, which was the highest of all leavening agents used in this experiment, was 131.25%. But its after-taste in a cookie was not good due to the residual ammonia. $Glucono-{\delta}-lactone$ only had no after-taste. The higher leavening rate, the more peaks in texture profile graph. Ammonium bicarbonate showed the most peaks in this experiment. It was found that the number of peak had correlation with brittleness of cookies $(r^2=0.8176)$ and brittleness of cookies was different as to various chemical leavening agents.

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Application of the Multi-Focusing Composite Image for the Cotton Fiber Luster Analysis and Cotton Fabric Luster Analysis (다중초점화상기법(多重焦點畵像技法)을 적용(適用)한 면섬유광택분석(綿纖維光澤分析) 및 면직물(綿織物)의 광택(光澤)에 관(關)한 연구(硏究))

  • Mun, Sun-Hye;Kim, Jong-Jun;Jeon, Dong-Won
    • Journal of Fashion Business
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    • v.7 no.5
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    • pp.108-118
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    • 2003
  • Surface properties, including the texture and the luster, of cotton fibers and yarns thereof play an important role in textile technology. The convolutions and the cross-sectional shape of the cotton fiber affect the fabric texture and the luster accordingly. Mercerization of the cotton fabric affects the luster, strength, and other properties of the fabric. In this study, the effect of mercerization was examined on the luster of the cotton fabric, together with the effect of polishing treatment. One of the traditional methods determining the fabric luster is the use of glossmeter or goniometric glossmeter. The use of glossmeter gives successful results in determining the gloss of rather flat and continuous surface such as plastic sheet, painted surface, or paper products. Since the textile fabrics have diverse surface structures and textures, these could be regarded as having three-dimensional surface. Such complexity imposes some difficulties for differentiating subtle surface luster properties of diverse textile fabrics. The advancement in the area of imaging technologies has enabled the micro-scale analysis of the surface textures and the fabric luster recently. Using a CCD camera, the surface luster images were taken at various incident illumination conditions. Microscale analysis, including the blob analysis, of the images could differentiate the subtle luster properties present in a group of cotton fabric samples comprising mercerized cotton fabric, non-mercerized cotton fabric, polished cotton fabric, and a 'standard' cotton fabric. The glossmeter measurement gave satisfactory but limited differentiation among the samples, whose luster differences are easily recognizable with visual observation, except for the mercerized cotton fabric sample and the non-mercerized cotton fabric. The microscale analysis of the fabric luster could, therefore, help understand the nature of diverse textile fabric luster.

Effect of Soil Texture and NPK Fertilizers Application Level on Growth and Yield of Ostericum koreanum (토성과 시비량에 따른 강활(羌活)의 생육과 수량변화)

  • Hur, Bong-Koo;Kim, Zhoo-Hyeon;Oh, O-Jin
    • Journal of agriculture & life science
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    • v.44 no.2
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    • pp.1-6
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    • 2010
  • This study was carried out to investigate the effects of the various soil textures and NPK fertilizer application rates on growth and yield of Ostericum koreanum by pot experiment. Mean temperatures during cropping seasons of May, June, August and October were higher than those of normal year, but also the values were equal or lower for the other period. The growth and yield of Ostericum koreanum in the 1.5 fertilization rates became higher as the fertilizer rates increased by different soil textures. The content of soil organic matter and available phosphorus were high by application of high fertilization levels, while another contents did not show any significant differece. The yield of Ostericum koreanum was high in the loam soil by 278kg/10a. Those for clay soil was lower. Therefore, these results suggested that optimum soil texture for cultivation of this plant could be loam soil.

Research on the Influence of Packaging Visual Elements on the Consumers' Taste Image Judgment - Take the colors and patterns of canned beer as an Example - (포장의 시각적 요소가 소비자의 미각 이미지 판단에 미치는 영향 연구 - 캔 맥주 포장의 색채와 패턴을 중심으로 -)

  • Liu, Yuan.;Oh, YongKyun
    • Journal of Korea Multimedia Society
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    • v.24 no.10
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    • pp.1449-1460
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    • 2021
  • The visual design elements of packaging play an vital role in attracting consumers' attention, forming their sense of pleasure and sensory expectations, as well as having an important impact on the actual product experience. This study aims to explore whether the colors and textures in the packaging design elements of canned beer will affect consumers' senses, judgments and taste perception of canned beer. Participants in Survey I (N=193) evaluated their expectations for beer freshness, softness, bitterness and alcohol content by observing the packaging of canned beer, then recorded whether they could get the expected experience when tasting beer, and evaluated their preference and purchase intention. In the Survey II, 4 kind of colors and 2 types of texture shapes were applied, and all participants were provided with the same beer for multivariate cross contract analysis to evaluate the specific impact of color and texture of packaging design elements on consumers' taste and the interaction between sensory judgment and taste perception.The results showed that both colors and textures had a significant affect on the sensory expectation (pre-tasting score) of canned beer, but their effects on the sensory score after tasting (actual perception)were inobvious. The analysis of the influence of the interaction between color, texture and shape on taste perception shows that when the expected packaging appearance perception is similar to the actual drinking perception (i.e., straight line and B/G or arc line and Y/R), it is more likely to obtain consumers' favor and higher purchase intention evaluation than the inconsistent canned beer packaging (i.e., straight line and Y/R and arc line and B/G). This paper discusses the influence of these results on the packaging design of canned beer and the possibility of improving the brand efficiency by meeting the visual elements of packaging design expected by consumers.

Development of e-textiles using LED and application of sports wear (LED를 이용한 e-textiles 개발과 스포츠웨어의 적용에 관하여)

  • Park, Jinhee;Kim, Jooyong
    • Journal of the Korea Fashion and Costume Design Association
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    • v.21 no.1
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    • pp.103-113
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    • 2019
  • The purpose of this study was to develop an e-textile using LEDs that can enhance visual and functional effects, and to identify their applicability to sportswear. By applying the design elements of fashion design concretely with LEDs, an e-textile design module is developed and that module is applied to the product, so LED application design can be proposed for use in a practical product. E-textiles have been divided into five categories, and their usefulness were verified by applying e-textiles to men's and women's sportswear. The product beign considered has a built-in tilt sensor, which illuminates the LEDs according to the user's movements, and allows the LEDs to be turned on or off in accordance to the user's preference. E-tatoo is a type of LED application that enhances the appearance by placing LEDs on a small area, emphasizing origin points, just like an actual tattoo. Designed with LEDs arranged in a straight line and various curved forms, e-strips can provide a function that matches the characteristics of each section of clothing or fashion item. E-wappen uses about 7-10 LEDs to give motifs a strong sense of visibility, thus adding to their vibrancy. E-panels and e-clothes were able to produce creative and high-value textures. It is also expected to be used for special purposes or bags as it is possible to produce high value-added textures that are creative and aesthetically beautiful. For instance, a progressive LED string on the straight line of female leggings can further emphasize rhythmic movements during exercise, and e-wappen also serves the purpose of nighttime protection. It is also believed that the application of dance or dance-related sportswear will make the movement of the performance more intense and lively.

Image Denoising Via Structure-Aware Deep Convolutional Neural Networks (구조 인식 심층 합성곱 신경망 기반의 영상 잡음 제거)

  • Park, Gi-Tae;Son, Chang-Hwan
    • The Journal of Korean Institute of Information Technology
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    • v.16 no.11
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    • pp.85-95
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    • 2018
  • With the popularity of smartphones, most peoples have been using mobile cameras to capture photographs. However, due to insufficient amount of lights in a low lighting condition, unwanted noises can be generated during image acquisition. To remove the noise, a method of using deep convolutional neural networks is introduced. However, this method still lacks the ability to describe textures and edges, even though it has made significant progress in terms of visual quality performance. Therefore, in this paper, the HOG (Histogram of Oriented Gradients) images that contain information about edge orientations are used. More specifically, a method of learning deep convolutional neural networks is proposed by stacking noise and HOG images into an input tensor. Experiment results confirm that the proposed method not only can obtain excellent result in visual quality evaluations, compared to conventional methods, but also enable textures and edges to be improved visually.

Structural Controls on Crustal Fluid Redistribution and Hydrothermal Gold Deposits: A Review on the Suction Pump and Fault Valve Models (지각 내 열수 재분배와 금광상 형성의 구조적 제어: 석션 펌프 및 단층 밸브 모델에 대한 리뷰)

  • Kwak, Yujung;Park, Seung-Ik;Park, Changyun
    • Economic and Environmental Geology
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    • v.55 no.2
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    • pp.183-195
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    • 2022
  • Hydrothermal gold deposits are evidence of intensive fluid flow through fault zones, and the resultant vein structures and textures reflect the fluid redistribution mechanism. This review introduces the suction pump and fault valve models as fluid circulation mechanisms causing hydrothermal gold deposits in the frameworks of the concepts of fault mechanics. The suction pump and fault valve models describe faulting-driven heterogeneous fluid flow and related vein formation mechanisms, accompanied by the cycles of (1) stress accumulation and fluid pressure build-up and (2) seismic rupture and stress/fluid pressure release. The models are available under different geological environments (stress conditions), and the vein structures and textures representing the mechanisms have similarities and differences. The suction pump and fault valve models must help better to interpret the origins of hydrothermal gold deposits in Korea and improve the efficiency of further exploration.

The Study of Different Buffer Structure on Ni-W Tape for SmBCO Coated Conductor

  • Kim, T.H.;Kim, H.S.;Oh, S.S.;Ko, R.K.;Ha, D.W.;Song, K.J.;Lee, N.J.;Yang, J.S.;Jung, Y.H.;Youm, D.J.;Park, K.C.
    • Progress in Superconductivity and Cryogenics
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    • v.8 no.4
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    • pp.8-11
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    • 2006
  • High temperature superconducting coated conductor has various buffer structures on Ni-W alloy. We comparatively studied the growth conditions of a multi buffer layer $(CeO_2/YSZ/CeO_2)$ and a single buffer layer$(CeO_2)$ on textured Ni-W alloy tapes. XRD data showed that the qualities of in-plane and out-of-plane textures of the two type buffer structures were good. Also, we investigated the properties of SmBCO superconducting layer that was deposited on the two type buffer structure. The SmBCO superconducting properties on the single and multi buffer structure showed different critical current values and surface morphologies. FWHM of In-plane and out-of-plane textures were $7.4^{\circ},\;5.0^{\circ}$ in the top CeO2 layer of the multi-buffer layers of $CeO_2/YSZ/CeO_2$, and $7.3^{\circ},\;5.1^{\circ}$ in the $CeO_2$ single buffer layer. $1{\mu}m-thick$ SmBCO superconducting layers were deposited on two type buffer layer. $I_c$ of SmBCO deposited on single and multi buffer were 90 A/cm, 150 A/cm and corresponding $J_c$ were $0.9MA/cm^2,\;1.5MA/cm^2$ at 77K in self-field, respectively.