• 제목/요약/키워드: exposing

검색결과 771건 처리시간 0.027초

버섯의 자외선조사와 조리조건에 따른 $Vit.D_2$$Vit.B_2$ 함량의 변화 (The Changes of $Vit.D_2$ and $Vit.B_2$ Contents according to Ultraviolet rays and Cooking Methods of Mushrooms)

  • 오혜숙;윤선;박희옥
    • 한국식생활문화학회지
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    • 제16권5호
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    • pp.463-469
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    • 2001
  • This study was to investigate the effect of ultraviolet rays, soaking, boiling and baking to ergocalciferol ($Vit.D_2$) and riboflavin($Vit.B_2$) contents of mushrooms, Lentinus edodes, Pleurotus ostreatus and Agaricus bisporus. The results were as follow: 1. Mushrooms were exposed to ultraviolet rays Lentinus edodes : $10J/cm^2$, Pleurotus ostratus : $2J/cm^2$ and Agaricus bisporus : $2J/cm^2$. 2. Before exposing to ultraviolet rays, the ergocalciferol contents of mushrooms were all $0{\mu}g/g$ dry base, but after exposing to it , those of Lentinus edodes, Pleurotus ostreatus and Agaricus bisporus were $222.50{\pm}5.30{\mu}g/g$ dry base, $150.90{\pm}6.60{\mu}g/g$ dry base and $23.98{\pm}1.20{\mu}g/g$ dry base, respectively 3. Before and after exposing to ultraviolet rays, the riboflavin contents of Lentinus edoes, Pleurotus ostreatus and Agaricus bisporus were $18.22{\pm}0.71{\mu}g/g$ dry base and $11.72{\pm}0.50{\mu}g/g$ dry base, $4.57{\pm}0.20{\mu}g/g$ dery base and $3.26{\pm}0.15{\mu}g/g$ dry base, and $37.42{\pm}1.20{\mu}g/g$ dry base and $27.33{\pm}2.10{\mu}g/g$ dry base, respectively. 4. The ergocalciferol contents of mushrooms according to boiling time were not significantly different but the riboflavin contents of them were decreased according to the increase of boiling time. 5. The ergocalciferol and riboflavin contents of mushrooms were decreased according to the increase of NaCl concentration and baking temperature. 6. The ergocalciferol content of Lentinus edodes after a short time soaking at $80^{\circ}C$ was higher than a long time soaking at $20^{\circ}C,\;40^{\circ}C$ and $60^{\circ}C$.

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광식각 기술을 이용한 미세라인의 형성 및 Series Resonator의 구현

  • 박성대;조현민;이영신;이우성;박종철
    • 한국마이크로전자및패키징학회:학술대회논문집
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    • 한국마이크로전자및패키징학회 2001년도 The IMAPS-Korea Workshop 2001 Emerging Technology on packaging
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    • pp.151-156
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    • 2001
  • Using the photoimageable thick film conductors, $25\mu\textrm{m}$ line widths and $25\mu\textrm{m}$ spaces can be obtained. Test patterns are made by green tape lamination, paste printing, exposing to UV light, developing in an aqueous process and cofiring. Postfiring method using alumina substrate can be also applied to fine line formation. Series gap resonator formed by photopatterning process showed the improved signal transmission characteristics compared to that obtained by conventional screen printing.

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Transparent-Oxide-Semiconductor Based Staggered Self-Alignment Thin-Film Transistors

  • Yamagishi, Akira;Naka, Shigeki;Okada, Hiroyuki
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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    • pp.1105-1106
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    • 2008
  • Staggered type self-aligned transparent-oxide-semiconductor transistors with indium-zinc-oxide as a semiconductor have studied. In this device fabrication, successive sputtering of oxide semiconductor and insulator without breaking of vacuum and without exposing in air, humidity and oxygen can be realized because oxide semiconductor is transparent. As a result of fabrication, transistor characteristics with mobility of $30cm^2/Vs$ and on-off ratio of $10^5$ could be obtained for the newly developed self-alignment device structure.

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열처리방법이 철의 자기특성에 미치는 영향 1 (Influence of Heat Treatment on Magnetic Chracteristics of the Magnetic)

  • 차균현
    • 전기의세계
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    • 제20권2호
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    • pp.15-18
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    • 1971
  • Magnetic materials in relay have been found to change in their magnetic characteristics with heat treatment. This paper describes how the magnetic characteristics of Magnetic Iron are affected by heat treatment. The materials are pot annealed and cooled from high temperature in the pot, by exposing in the atmospheres, and by quenching in the water and oil. It also studies the best heating temperature and cooling method which improve the magnetic characteristics of the Magnetic Iron.

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The modulating activity of Ginsan on radiation-induced disturbance of antioxidant defense systems

  • Son, Soo-Jung;Kim, Chan-Wha;Yun, Yeon-Sook
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.309.1-309.1
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    • 2002
  • Ginsan, a polysaccharide extracted from Panax ginseng. was earlier scrutinized for a biological-response modifier. We further studied the protective and restorative activity of Ginsan against sublethal dose irradiation owing to increase production of endogenous hematopoietic growth factors such as IL-1. TNF-${\alpha}$. IL-6, GM-CSF. Which induce strong redox-emzyme elevation. Exposing to radiation induces reactive oxygen species (ROS). which play an important causative role in radiation damage. (omitted)

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Studies on the protective effect of Cheju and Brazil pectin on the male reproductive system damaged by 2.3.7.8-tetrachlorodibenzo-P-dioxin

  • Shim, Kyoo-Jung;Choung, Se-Young
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.283.1-283.1
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    • 2002
  • The adverse health effects on humans and domestic and wildlife species by exposing to environmental contaminants. which interact with the endocrine system. have he en treated as an important issue without hesitation throughout the 1990s. The chemicals with practical and/or potential interfering actions with the endocrine system functions are called endocrine disrupting chemicals (EDCs). (omitted)

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Parallelizing Imperfectly Nested Loops

  • Kim, Ki-Chang
    • Journal of Electrical Engineering and information Science
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    • 제1권1호
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    • pp.140-150
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    • 1996
  • Loops are some of the richest program constructs where parallelism is available. Exploiting fine-grain parallelizm out these constructs is particularly important in light of the growing popularity of superscalar and VLIW machines. This paper explains how the fine-grain parallelization techniques can be generalized to handle nested loops. Our technique integrates nested loop parallelization techniques at the fine-grain level, thus exposing more fine-grain parallelism, and is flexible enough to handle non-perfectly nested loops. Examples and some experimental results are presented to illustrate our approach.

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스마트 폰을 통한 청소년의 성 관련 콘텐츠 노출 원인 분석 (Teenagers with Smartphones Exposed to Sexual Content)

  • 최정임;정동훈
    • 한국콘텐츠학회논문지
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    • 제14권4호
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    • pp.445-455
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    • 2014
  • 본 연구에서는 개인 미디어로 청소년들이 늘 휴대하고 있는 스마트폰을 통한 성 관련 콘텐츠 이용에 영향을 미치는 요인을 인구사회학적 속성, 개인적 속성, 그리고 미디어 이용시간이나 미디어의 종류 등을 통해 분석하고자 했다. 연구결과, 스마트폰의 성 관련 콘텐츠 이용 정도에 영향을 미치는 요인은 남학생, 고등학생, 아버지의 학력이 고등학교 졸업 이하인 경우 통계적으로 유의미한 영향을 미쳤고, 자기통제성이 낮을수록, 또래동조와 차별접촉이 높을수록 스마트폰으로 성 관련 콘텐츠를 더 이용하는 것으로 나타났다. 스마트폰에서 성 관련 콘텐츠의 의도적 노출 정도에 영향을 미치는 요인에서도 남학생, 고등학생의 경우 통계적으로 유의미한 결과를 나타냈고, 자기통제성이 낮을수록, 차별접촉이 높을수록 스마트폰으로 성 관련 콘텐츠를 의도적으로 이용하는 것으로 나타났다. 음란물의 노출 뿐 만 아니라 다양한 수준의 성 관련 콘텐츠의 영향 요인에 대한 연구를 바탕으로 청소년이 많이 이용하는 미디어 채널을 통한 건강한 성 관련 메시지의 전달 방법 등을 강구하고, 미디어 교육 등 미디어의 긍정적인 활용 방안을 제시함으로써 미디어가 청소년의 바람직한 가치관 형성에 도움을 주는 좋은 의미의 수퍼피어(super-peer)의 역할을 할 수 있도록 계속적인 연구가 필요하다.

온라인 광고소구 유형과 자기 검색도의 상호작용 효과 연구 (The Interaction Effects of Online Advertising Types and Self-Monitoring)

  • 한상필
    • 디지털융복합연구
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    • 제16권5호
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    • pp.207-211
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    • 2018
  • 본 연구는 온라인 광고유형 (제품광고와 이미지광고)의 효과에 조절변인으로 영향을 미치는 자기 검색도의 역할을 검증하기 위한 목적으로 실시되었다. 수도권 소재 160명의 대학생을 대상으로 $2{\times}2$ 요인설계로 실험이 실시되었다. 자기 검색도가 낮은 집단은 이미지를 강조하는 온라인 광고 보다는 제품의 특성을 강조하는 온라인 광고에 더 긍정적인 반면에, 자기 검색도가 높은 집단은 제품의 특성을 강조하는 온라인 광고 보다는 이미지를 강조하는 온라인 광고에 더 긍정적으로 반응할 것이라는 가설을 세우고 연구가 진행되었다. 연구결과, 텔레비전과 신문과 같은 전통광고를 대상으로 한 연구결과에서와 마찬가지로 온라인 광고에서도 가설이 검증되었다. 연구결과를 바탕으로 온라인광고 크리에이티브 전략과 효과를 제고할 수 있는 이론적 논의와 실무적 함의를 논의하였다.

칼코게나이트 $As_{40}Ge_{10}Se_{15}S_{35}$ 박막에서 두께에 따른 광유기 스칼라 현상 (Photo-Induced Scalar Phenomena according to Thickness Dependence of Chalcogenide $As_{40}Ge_{10}Se_{15}S_{35}$ Thin Film)

  • 이현용;박수호;정홍배
    • E2M - 전기 전자와 첨단 소재
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    • 제10권5호
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    • pp.467-472
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    • 1997
  • In this study, we investigated the thickness dependence of thermal bleaching(TB) effect as well as photo-induced scalar phenomena, such as photodrakening(PD) effect and photorefraction(PR) change, in chalcogenide A $s_{40}$ G $e_{10}$S $e_{15}$ $S_{35}$ thin films. We found that when these films were exposed for 15 minutes using blue-pass filtered Hg lamp(~4300$\AA$) after annealing for 30 minutes around the glass transition temperature Tg(20$0^{\circ}C$), the refractive index change ($\Delta$n) was varied up to 0.02~0.46 according to each thickness condition and the optical energy gap ($\Delta$ $E_{op}$ ) was shifted to a longer wavelength of approximately 0.67eV, especially for 1000$\AA$-thickness. Also, the TB PD effects have been understood by the results related to optical absorption characteristics. The TB effect could be estimated as increasing the stabilization of amorphous chalcogenide films since absorption slope of extended regions(U) was not changed by annealing. On the other hand, the PD effect could be understood as due to the enhancement of disorder since U and the slope of Urbachs tail(1/F) around an absorption edge were decreased by exposing.ing.n edge were decreased by exposing.

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