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The First Report of a Megalocytivirus Infection in Farmed Starry Flounder, Platichthys stellatus, in Korea

  • Won, Kyoung-Mi;Cho, Mi Young;Park, Myoung Ae;Jee, Bo Young;Myeong, Jeong-In;Kim, Jin Woo
    • Fisheries and Aquatic Sciences
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    • v.16 no.2
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    • pp.93-99
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    • 2013
  • In 2009, a systemic megalocytivirus infection associated with high mortality was detected for the first time in cultured starry flounder Platichthys stellatus in Korea. Diseased starry flounder had pale bodies and gill coloring and enlarged spleens. Histopathological examinations revealed basophilic enlarged cells in various organs of diseased starry flounder. Polymerase chain reaction (PCR) was performed on tissue samples using three published primer sets developed for the red sea bream iridovirus. PCR products were detected for all primer sets, except 1-F/1-R, which are registered by the World Organization for Animal Health (OIE). The part of the gene corresponding to the full open reading frame encoding the viral major capsid protein (MCP) was amplified by PCR. PCR products of approximately 1,581 bp were cloned, and the nucleotide sequences were analyzed phylogenetically. The MCP gene of the starry flounder iridovirus, designated SFIV0909, was identical to that of the turbot reddish body iridovirus (AB166788).

Synthesis of wagnerite and its analogues for ceramic pigments (I) (도자기 유약용 Wagnerite의 합성(I))

  • Chung, Yong-Sun;Auh, Keun-Ho
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.7 no.4
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    • pp.640-647
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    • 1997
  • Wagnerite ($Mg_2PO_4F)$ was successfully synthesized in a sealed platinum tube and the complete substitutions of $Co^{++}, Ni^{++}, Cu^{++} \;and\;Zn^{++}$for Mg were made in the wagnerite structure. Wagnerite did not decompose until it reached its melting temperature. It was observed that wagnerite underwent only one inversion at $1255^{\circ}C$, prior to melting at $1340^{\circ}C$. The lattice parameters of wagnerites were linearly increased by the substitutions of $Co^{++}$ and $Zn^{++}$ and decreased by the substitutions of $Ni^{++}$ and $Cu^{++}$. The substitutions of wagnerite with $Co^{++}, Ni^{++}$ and $Cu^{++}$ resulted in purple, orange and green colors, respectively, The colors of pigments became more intense and suitable for coloring of glazes and plastics as the amount of metal ions increased.

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A Study Regarding Measurements of Bacterial Contamination Levels in Radiology Room Equipment (방사선과 촬영실 장비의 세균오염도 측정)

  • Choi, Eun-Jin;Song, Hyeon-Je;Dong, Kyung-Rae;Kim, Chang-Bok;Ryu, Jae-Kwang;Kwak, Jong-Gil
    • Journal of Radiation Industry
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    • v.11 no.1
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    • pp.1-6
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    • 2017
  • Reported some level of bacteria in areas that are well made contact in Radiology imaging room evaluate the importance of cleanliness in the hospital management of equipment to check for the presence of pathogenic bacteria. Gwang-ju and Jeol-la city and medium-sized hospitals in the material with a cotton swab and rub evenly Radiology selection cassette, a handle, Apron of the imaging apparatus having the most contact with patients from July 2016 to August 2016 as a target in place and special studios 6, and saline solution will placed in a test tube containing. The swab sample was diluted 1,000 times, you can see the bacteria and the intestinal bacterial selective medium Trypticase Soy Agar (TSA), Muller-Hinton Agar (MHA), Eosin-Methylene Blue (EMB), ENDO(BD, NJ, USA) then incubated smear to. In the incubator (incubator, SANYO, Japan) was observed after incubation of bacteria and counting the total number of bacteria also Colonies (colony) suspected intestinal bacteria were isolated and cultured on KIA medium (BD, NJ, USA). As a result, it was found that this came Gram positive Coccus A hospital handle the F hospital, from the C Gram positive Coccus cassette and handle the F hospital. The striking yellow coloring Staphylococcus aureus 110 agar (STA 110) in the medium sample, but it is suspected staphylococcal Coccus to the final identification in the laboratory is not a single specimen of the two samples from Gram positive Coccus biochemical identification Identification Kit is an API could not, it was thought to be non-Staphylococcus aureus was cultured on blood agar suggesting that (BAP) blood of dance. Dynamic tests were conducted biochemical API kit of the two samples were identified from Gram positive Coccus bacteria Escherichia coli (E. coli) is F hospital cassette was confirmed Eenterobacter cloaca in A hospital possession. Did not aggregate O-26, O-111, O-157 and the serum test was conducted in the laboratory from the E. coli F cassette hospital.

Cadmium Extraction from Solutions by Solid-Phase and its Trace Determination (고상에서 용액으로 부터 카드뮴 추출과 잔유물 측정)

  • Ashrafi, F.;Attaran, A.M.;Kermani, N. Memar
    • Journal of the Korean Chemical Society
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    • v.52 no.2
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    • pp.133-139
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    • 2008
  • A new sensitive and selective spectrophotometric method for determination of trace amounts of cadmium using a polyvinyl chloride membrane containing bis-(2-ethylhexyl)phthalate as a solid phase extraction medium was investigated. Bis-(2-ethylhexyl)phthalate has used as a plasticizer. Cd(II) in an aqueous solution was trapped on the membrane in the form of colorful Cd (II)-I- - MG complexes (which MG is malachite green) and the cadmium complex was concentrated in the membrane. The absorbance of the green membrane was measured at 629 nm using a spectrophotometer, and then, the concentration of the cadmium was calculated using a calibration curve, which expressed the relationship between the Cd(II) concentration and the membrane absorbance after coloring for 25 min. The calibration curve was linear in the range of 10-760 μgL-1 cadmium in the test solution. The detection limit based on the 3Sbl criterion was 1.8199 μgL-1 and the relative standard deviations (RSD) were less than 4 % (n=5). The proposed method has been successfully applied to the determination of trace amounts of cadmium in the Tadjan River water sample (Sari-Iran), and the mean value of 28.7 μgL-1 was obtained.

A Study on Propagation Behavior of Surface-Fatigue-Crack in the Mild Steel at Elevated Temperatures (軟鋼의 高溫 表面渡勞균열 成長擧動에 관한 硏究)

  • ;;北川英夫
    • Transactions of the Korean Society of Mechanical Engineers
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    • v.7 no.4
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    • pp.425-433
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    • 1983
  • Fatigue tests by axial loading (R=0.1) were carried out to investigate fatigue crack growth properties of small surface cracks in mild steel at room temperature, 250.deg. C and 400.deg. C, by using flat specimens with a small artificial pit. All the data of the fatigue crack growth rate obtained in the present tests are determined as a function of the stress intensity factor range, so that the applicability of liner fracture mechanics to the fatigue crack growth of surface cracks at elevated temperatures is investigated and discussed in comparison with the data of type 304 stainless steel at room temperature and elevated temperature. The obtained results are as follows: 1) Relations of both surface fatigue crack length and its depth to cycle ratio fall within a narrow scatter band in spite of different stress levels. 2) The .DELTA. .sigma. .root. .pi. a-da/dN relation of surface fatigue crack growth at room temperature is independent of the stress level and can be plotted as a straight line at log-log diagram, but the relation at 400.deg. C depends partly on the stress level. 3) Relations of the fatigue crack growth into depth d(2b)/dN and is stress intensity factor range .DELTA. $K_{I}$, accounted for the aspect ratio variation, fall within a narrow scatter band for wide range of the applied stress levels. And .DELTA. $K_{I}$E-d(2b)/dN relations of mild steel at different stress level coincide relatively well with the data of type 304 stainless steel. 4) The value of aspect ratio obtained by a beach mark method and a temper coloring method approaches about 0.9 in common with crack growth and it is independent of stress level and temperatures. 5) The equi-crack length curve is parallel to S-N$_{f}$ curve at elevated temperatures.s.s.s.

Brand Planning and Product Development for NEO-SINGLE Women (네오 싱글(NEO SINGLE) 여성을 위한 브랜드 기획 및 상품 개발)

  • Lee, Youn-Hee;Lee, Ji-Hyun;Kim, Young-In
    • The Research Journal of the Costume Culture
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    • v.15 no.3 s.68
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    • pp.420-430
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    • 2007
  • Noting that there is an increasing trend of the so-called 'neo-single life style' among women these days, this research aims to make a product development for these neo-single women in this era of families of a single member by analyzing their concepts and characteristics. We payed a particular attention to the data from such sources as newspapers, magazines or the articles in the Internet. The essence of our research lies in the analysis of target market, in the suggestions in the brand planning and product development and in the designs of fashion and interior products for them. The result of this research is as follows. First, it turns out that these neo-single women enjoy a kind of multi-mixing code lifestyle rather than showing a preference for a particular brand. For this reason, we have decided to pursue a multi-concept brand fonn as a right direction for brand planning for them. Second, as for a philosophy behind the brands, we suggest a concept of 'small utopia' for neo-single women and express such as new aristocracy, happiness and pleasure. Third, we adopt 'YOU' as the name of the brand as it reflects their various life styles and characteristics. Fourth, as for the product development of F/W in 2007, we have decided on 'Minimal Natural' as it mixes up the concepts of the controlled beauty of sophistication and multi-functional elements and 'Modern Primitive' as it expresses the ethnic elements on modern images having craft factors and modern images. We have performed concrete tasks in creating images, coloring, making fabrics for each theme. Fifth, we have chosen and suggested other products that are suitable for these neo-single women who seek for multi-functional but simple kinds after surveying a wide range of products in magazines or in the Internet.

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A Study on Design Characteristics of Chanel's and Fendi's Collections under the Direction of Karl Lagerfeld (칼 라거펠트 디렉팅의 샤넬과 펜디에 대한 디자인 특성 연구)

  • Bae, Woo Ri;Kim, Yoon Kyoung;Lee, Kyoung Hee
    • Fashion & Textile Research Journal
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    • v.23 no.6
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    • pp.709-725
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    • 2021
  • The study focused on the design features of Chanel and Fendi, directed by Carl Lagerfeld, creative director of Chanel and Fendi until his recent death. The range of the study was from the 2017 S/S Collection to the 2019 F/W Collection, which collected a total of 767 fashion photographs, including 483 Chanel, 284 Fendi, with tops, bottoms and dresses at VOGUE (https://www.vogue.com). According to the data analysis criteria organized based on prior research and related literature, it was classified in the order of form, color, material, pattern, decoration, fashion image, item and coordination, and content analysis was conducted based on statistical analysis. Overall, the design characteristics of the Chanel collection, directed by Karl Lagerfeld, were rectangle form, tone in tone coloring, combination of identical materials, geometric patterns, and classical images as the main design characteristics of the Chanel collection. The design characteristics shown in the Fendi collection directed by Karl Lagerfeld were rectangle form, tone in tone coloration, hard material combination, abstract pattern, and total coordination. Comparing the design features of Chanel and Fendi, directed by Karl Lagerfeld, is as follows. Chanel and Fendi's designs show a lot of rectangle form, tone-in-tone colors, hard-materials and combination of the same material.

The Relationship of European Landscape Painting and the Scientific (Visual) Instruments in the Pre-modern Period: On the Using of Camera obscura and Camera lucida in the Artistic Works by Canaletto·Sandby·Talbot (근대 유럽 풍경화와 과학(영상)기구의 연관성 - 카날레토·샌드비·탈보트의 미술작업에서 카메라 옵스쿠라와 카메라 루시다의 사용에 대해)

  • LEE, Sangmyon
    • Korean Association for Visual Culture
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    • v.23
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    • pp.329-368
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    • 2013
  • This thesis investigates the relationship of the 18th century European landscape painting and the scientific (optical) instruments like Camera obscura and Camera lucida. Based on the fact that some landscape painters, 'veduta painters', at that times might have used or surely used these optical instruments in their sketches/drawings, it explores the reasons for using them and their working process with them, and analyses the advantages/disadvantages here as well as the aesthetic problems in the cases of the Italian painter Antonio Canaletto (or Canal, 1697-1768), the British topographic artist Thomas Sandby (1721-98) and the British chemist/optician Willian Henry Fox Talbot (1800-77). Advantages of using Camera obscura/lucida are rapidity in drawing, truthful representation of nature/reality and 'accurate' fulfilling of perspectival structures. But partly 'inaccurate' or simplified depictions as disadvantages can be traced in drawings/sketches made by using these instruments. Another problem lie in the subordination of the artistic work to the technical devices, but for artists still remain the creative working process in painting like coloring, tone and chiaroscuro etc. Therefore, it can be maintained that the optical instruments have played a role of the subsidiary tool as an aid to painting.

A Study of Coloration of Topaz(I): Mineralogical and Chemical Study on the Topaz Selected from Some Localities of the World (토파즈의 人工着色 處理를 위한 硏究(I) : 世界 主要 産地別 토파즈의 鑛物學的 및 化學的 特性)

  • Han, Yi-Kyeong;Park, Maeng-Eon;Jang, Yong-Nam
    • Journal of the Mineralogical Society of Korea
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    • v.5 no.2
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    • pp.109-121
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    • 1992
  • For the purpose of mineralogical and chemical study on the topazes from various localities of world(Brzail, China, India, Nigeria and Sri Lanka), electron microprobe analysis(EPMA), neutron activation analysis(NAA), X-ray diffractometry, Raman spectroscopy, etch test, scanning electron microscopy, refractive index, specific gravity, fluid inclusion were performed. The chemical composition in topaz was discussed along with its physical and structural properties. Variations in the unit-cell dimension and physical properties of topaz were found to have a close relations in the unit-cell dimension and physical properties of topaz were found to have a close relationship with extent of substitution of $OH^-\;for\;F^-$. According to neutron activation analyses, the trace elements had no effects on the physical properties of topaz. Raman spectra showed that the peaks of topaz were different in intensity from one locality to another. Etching defects in topaz includes negative crystal defect o point-bottom pit(India, Nigeria) and net work defect of curl-bottom pit(Brazil, China). Fluid inclusions in topaz may be classiffied into liquid $CO_2$-bearing inclusion, gaseous inclusion, halite, sylvite-bearing inclusion and liquid inclusion. The results of this study can be useful to devising artificial coloring methods for topaz with different mineralogical compositions.

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The effects of breed and gender on meat quality of Duroc, Pietrain, and their crossbred

  • Kim, Jeong A;Cho, Eun Seok;Jeong, Yong Dae;Choi, Yo Han;Kim, Young Sin;Choi, Jung woo;Kim, Jin Soo;Jang, Aera;Hong, Joon Ki;Sa, Soo Jin
    • Journal of Animal Science and Technology
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    • v.62 no.3
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    • pp.409-419
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    • 2020
  • This study evaluated the effects of breed and gender in Duroc (D), Pietrain (P), and crossbred (DP) pigs. Loin samples were collected from D (n = 79), P (n = 42), and DP (n = 45) pigs. Intramuscular fat content was significantly lower in P (p < 0.001), and pH was lowest in DP pigs (p < 0.001). Gilts had higher intramuscular fat (IMF) and pH values than did castrated males (p < 0.05). Water-holding capacity was lower in DP pigs than that in D and P pigs (p < 0.001). Shear force in DP pigs was higher than that in D and P pigs (p < 0.001). Lightness and yellowness of meat in DP pigs was increased compared with coloring of P pig meat (p < 0.01). Meat from DP pigs was redder compared with meat from in D and P pigs, and it was higher in gilts than in castrates (p < 0.001). The C16:0 content was lower in P and DP pigs than in D pigs (p < 0.01). C18:2 content was higher in P and DP pigs than in D pigs (p < 0.001). Unsaturated and saturated fatty acids increased in P pigs compared with levels in D pigs (p < 0.05). Our results suggest that meat quality can be controlled by crossbreeding to increase or reduce selected properties. This study provides the basic data on the meat characteristics of F1 DP pigs. Thus, further study should be conducted to estimate the meat quality of various crossbreeds.