• 제목/요약/키워드: bag

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알루미늄 용해 반사로용 gas 배출기의 bag cage에서 발생한 균열의 원인 분석 (Analysis of Crack in Bag Cage Welds of Wire STS 304 Wire for Al Melting)

  • 박지환;박소연;이종권;송태환;류근걸;이윤배
    • 한국산학기술학회논문지
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    • 제5권5호
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    • pp.462-465
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    • 2004
  • 본 알루미늄 용해반사로 gas배출기의 bag cage에서 사용 6개월 만에 균열이 발생하였다. 이러한 bag cage의 용접부에서 발생한 균열의 원인조사를 위해 bag cage의 성분분석, 용접부에서의 파단면과 미세조직을 SEM과 금속현미경으로 관찰한 결과 bag cage의 균열의 원인이 배기가스중의 황화물과 대기중의 습기, 산소와 반응에 의해 형성된 polythionic acid이 생성되어 용접에 의해 예민화된 부위에 부식을 일으켰다는 것을 확인할 수 있었다.

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전통가구 반닫이의 형태적 특성을 활용한 가방디자인 개발 (Development of a Bag Design by Incorporating and Adapting the Formative Characteristics of the Traditional Bandaji Chest)

  • 허성아
    • 한국의류산업학회지
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    • 제25권2호
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    • pp.153-164
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    • 2023
  • As interest in the environment and sustainability increases, a tendency to pursue eco-design is emerging. Sustainable design coincides with the Korean aesthetic sense of applying the principle of the circulation of nature. This study examined Korean traditional furniture, Bandaji, from the perspective of historical and cultural sustainability and extracted and adopted a sustainability-related motif. The purpose of this study was to develop a creative bag design that reflects Korean tradition and strengthens artistry. First, a bag was produced based on the morphological characteristics of Gyeonggi-do Bandaji. Second, though the original overall design was maintained, the decorative patterns were modified by, for example, increasing the number of ear decorations on the surface of the bag and reducing the number of traps. Third, a new geometric pattern was created for the surface of the bag; this entailed moving the position of the handle-shaped ear ornament and the leather. Fourth, new decorative patterns were drawn on the surface. This study is meaningful in that it presents a sustainable bag production methodology that reflects Korean aesthetics. It also showcases a designer's unique, creative, and artistic bag design. It is expected that design work inspired by Korean formative beauty will be an opportunity to simultaneously utilize and support various Korean cultural assets and artworks.

컬렉션에서 보여진 해외 유명 브랜드 Bag 디자인 특성 (Design Properties of Bags of Famous Overseas Brands in Fashion Collections)

  • 이원정;이경희
    • 한국의류학회지
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    • 제32권10호
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    • pp.1487-1496
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    • 2008
  • The purpose of this study is to provide guidance to plan bag design with an analysis of design properties of bags of famous overseas brands in a pret-a-porter fashion collection. For this purpose, the pret-a-porter fashion collection from 2001 S/S to 2005 F/W is divided into the following sectors: brands, years, and seasons, focusing on the design elements. The reference for the actual study was 773 pictures of bags that were collected of Chanel, Louis Vuitton, Gucci, Christian Dior, Prada, Fendi and Etro collections. The results of this study are as follows. With regard to the character of the bag design classified by brand, the design property was embossed with all design elements. Therefore, we can use design elements to express design property, like bag design of famous overseas brands. With regard to the changes of bag design year by year, it was changed with almost all of the design elements. Therefore, it is noted that bag design do well to reflect the fashion trends of the year with almost all design elements. With regard to design properties of seasonal bags, bag design properties which are popular in the S/S season are circle form, small size, lively colors and so on. On the other hand, bag design properties which are popular in the F/W season are common form, large size, quiet colors and so on. Therefore, it is noted that bag design do well to reflect the seasonal trends.

Bag-1L is a Stress-withstand Molecule Prevents the Downregulation of Mcl-1 and c-Raf Under Control of Heat Shock Proteins in Cisplatin Treated HeLa Cervix Cancer Cells

  • Ozfiliz, Pelin;Arisan, Elif Damla;Coker-Gurkan, Ajda;Obakan, Pinar;Eralp, Tugce Nur;Dinler-Doganay, Gizem;Palavan-Unsal, Narcin
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권11호
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    • pp.4475-4482
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    • 2014
  • Background: Cisplatin, a DNA damaging agent, induces apoptosis through increasing DNA fragmentation. However, identification of intrinsic resistance molecules against Cisplatin is vital to estimate the success of therapy. Bag-1 (Bcl-2-associated anthanogene) is one anti-apoptotic protein involved in drug resistance impacting on therapeutic efficiency. Elevated levels of this protein are related with increase cell proliferation rates, motility and also cancer development. For this reason, we aimed to understand the role of Bag-1 expression in Cisplatin-induced apoptosis in HeLa cervix cancer cells. Cisplatin decreased cell viability in time- and dose-dependent manner in wt and Bag-1L+HeLa cells. Although, $10{\mu}M$ Cisplatin treatment induced cell death within 24h by activating caspases in wt cells, Bag-1L stable transfection protected cells against Cisplatin treatment. To assess the potential protective role of Bag-1, we first checked the expression profile of interacting anti-apoptotic partners of Bag-1. We found that forced Bag-1L expression prevented Cisplatin-induced apoptosis through acting on Mcl-1 expression, which was reduced after Cisplatin treatment in wt HeLa cells. This mechanism was also supported by the regulation of heat shock protein (Hsp) family members, Hsp90 and Hsp40, which were involved in the regulation Bag-1 interactome including several anti-apoptotic Bcl-2 family members and c-Raf.

서양 Bag에 관한 연구 - 중세~근대를 중심으로 - (A Study on Bag in the Western - From the Middle Ages to Modern Times -)

  • 이의정;강경애
    • 한국의상디자인학회지
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    • 제11권3호
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    • pp.27-41
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    • 2009
  • As for modern people, the fashion accessory plays a role in allowing the whole coordination in clothing to be highlighted, receives environmental factors in the complementary relationship with clothing, and is being progressed rapidly as well. Among accessories, it is considered to be probably significant to examine especially about the historical consideration and the transitional process in bag, which becomes a means of expressing free individuality in fashion while recognizing importance of bag, which is being developed today as a necessary article along with diverse lifestyles in each individual. Accordingly, the purpose of this study was to examine which correlation a bag comes to have with clothing according to a historical change in fashion and was changed in the transitional process of historical consideration on bag from the latter half of the medieval times to the modern times. Also, it tries to analyze on features in a form, material, kind, and color by period in a bag. Thus, the aim is to be conducive to a future qualitative research on bag Through the research process, it could be known about which a bag has been changed into diverse forms while experiencing several processes in order to conform with a flow of clothing, which is required by society according to a change in period, and about its historical significance, value, and aesthetic characteristics. It was certainly necessary for walking about with putting commodity necessary for people in it. As one of accessories that cannot be separated from clothing, it makes it available for knowing user's social standing and position and living scale, and makes it realized for the importance influence upon establishing a woman's identity.

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Bag-Finger형 스커트의 변형모델과 규칙파중 공기부양선의 운동해석 (A Deformation Model of a Bag-Finger Skirt and the Motion Response of an ACV in Waves)

  • 이경중;이기표
    • 대한조선학회논문집
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    • 제29권2호
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    • pp.48-59
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    • 1992
  • 본 논문에서는 규칙파중에서 공기부양선의 운동응답에 미치는 스커트의 변형에 대한 연구가 이루어졌다. Bag과 부양실내의 공기는 압축성 유체로 또한 각각의 체적내에서 압력은 공간상으로 일정하다고 가정하였다. 부양압력에 의한 자유표면의 변형은 선형포텐셜 이론을 사용하였으며, 부양압력을 진동하며 일정속도로 전진하는 압력면으로 대치하여 구하였다. Bag-Finger형 스커트는 표면적이 변화하지 않는 상태에서 변형한다고 가정하여, 압력변화와 자유표면 상승에 대한 변형모델을 제시하였고, 스커트의 복원력과 복원모멘트가 공기부양선의 상하동요, 종동요에 미치는 영향을 해석하였다. Bag내의 압력과 부양압력을 변화시키며 또 스커트의 모양을 변화시키면서 파중에서 공기부양선의 운동응답을 계산하였다.

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가방의 휴대 형태와 무게 변화에 따른 보행 분석 (Gait Analysis According to the changes of the carrying type and weight of bag)

  • 김찬규;이병훈
    • 한국산학기술학회논문지
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    • 제14권1호
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    • pp.199-205
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    • 2013
  • 본 연구는 네 가지의 가방 휴대방법에 따라 세 가지 가방의 무게를 달리하여 보행의 변화를 분석하고자 시행하였다. 20명의 건강한 성인이 연구에 참여하였다. 첫 번째 조건은 한쪽 어깨에 가방을 메고 보행하였고, 두 번째 조건은 한쪽으로 가로질러 가방을 매고 걸었다. 세 번째 조건은 양쪽 어깨에 가방을 메고 걸었고, 네 번째 조건은 한쪽 손으로 가방을 들고 걸었다. 각 네 가지 조건에 모든 대상자가 참가하였고, 오른쪽 신발에 SmartStep의 깔창을 깔고 오른쪽 발목에는 압력제어장치를 묶었다. 모든 대상자는 각각 4가지 조건에서 2.5 kg, 5 kg, 7.5 kg의 무게를 지닌 가방을 휴대하여 10 m를 걸었다. 각 조건에서 2.5 kg, 5 kg, 7.5 kg의 가방의 무게에 따라 입각기 비율, 유각기 비율과 보행속도는 통계학적으로 유의한 차이가 있었다.

테들러백과 알루미늄-폴리에스터백에 보관된 저농도 아산화질소의 유실율 비교 (Comparison for Loss Rate of Low Concentration Nitrous Oxide in Tedlar Bag and Aluminium-Polyester Bag)

  • 이우찬;박성빈;고영환;현승민;윤균덕
    • 한국기후변화학회지
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    • 제8권1호
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    • pp.31-39
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    • 2017
  • The emission quantity of nitrous oxide is second largest among non-$CO_2$ greenhouse gas in Korea. In this study, we investigated loss rate of nitrous oxide which was filled in PVF and Al-PE bag as time goes on. Concentrations of tested samples were about 25 ppmv, 50 ppmv, 75 ppmv prepared by standard reference gas. In case of all experiments, loss rate of PVF bag was higher than Al-PE bag. After 18 days, loss rate of PVF bag was from 29.7% to 38.6% while Al-PE bag was from 21.7% to 23.7%. Especially the differential growed bigger when initial concentration of $N_2O$ in PVF bag was lower. And we also studied the effect of cock opening/closing procedures on loss rate. Prepared samples in experimental group were analyzed several times for 20 days and samples in control group were analysed only 1 time after 20 days. The experimental results showed that cock opening/closing procedures appeared to have little impact on loss rate.

소나 관찰에 의한 대형정치망내 어군행동의 연구 ( III ) - 원통내 멸치어군의 행동과 원통의 기능 (Studies on the Behaviour of Fish Schools in the Main-Net of a Large Scale Set-Net Using a Scanning Sonar ( III ) - The Behaviour of Anchovy Engraulis Japonica Sonar-III)

  • 김문관;정상희양;박정식
    • 수산해양기술연구
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    • 제32권3호
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    • pp.217-222
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    • 1996
  • 대형정치망의 원통내에 있어서 멸치어군의 이동행동은 1992년 12월 1일부터 12월 4일까지 일본국 석천현 칠미시 연안에 있는 안단 정치망 어장 3호망에서 스케닝 소나를 이용하여 실시하였는데, 그 결과를 요약하면 다음과 같다. 1. 2개의 원통시아에 어군의 이동행동은 주야간에 차이가 있었고, 밤보다는 낮에 더 많이 이동하였다. 2. 제2 원통에 멸치어군이 존재하였을 때, 제1원통에 있는 멸치어군이 제2 원통으로의 입망 비율은 78%였고, 제2 원통에 멸치어군의 존재는 제2원통에의 입망 비율에 영향을 미쳤다는 것을 시사하고 있다. 그러나, 제2원통에 조밀하게 멸치어군이 존재하였을 때, 제 2원통에 입망한 어군의 체류시간은 매우 짧았고, 제2 원통에서 어군의 밀도 상승은 어군의 도피 비율을 증가시킨다는 것을 시사하고 있다. 3. 멸치어군은 원통에 입망할 때, 대부분이 망의 중앙에서 먼바다 쪽으로 방향을 바꾸어 이동하였다.

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간척지에서 수확한 옥수수 AG-BAG 사일리지의 품질에 관한 연구 (Study on Quality of Corn AG-BAG Silage Manufactured with Corn Grown in Reclaimed Paddy Field)

  • 최기춘;표효열;정민웅;박형수;김종근;송채은;백광수;윤세형;서성;임영철
    • 한국초지조사료학회지
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    • 제31권4호
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    • pp.423-430
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    • 2011
  • 본 연구는 논에서 재배된 옥수수를 이용하여 AG-BAG 사일리지의 품질에 미치는 영향을 구명하기 위하여 충남 석문 간척지에서 수행되었다. 옥수수 AG-BAG 사일리지의 수분함량은 68~79% 범위를 유지하였고, pH는 3.49-3.65을 유지하였으며 수확기간에 따른 차이는 크지 않았다. 수확기가 늦어짐에 따라 AG-BAG 사일리지의 조단백질 함량은 감소하는 경향을 보였으나 섬유소인 NDF 및 ADF 함량은 증가하였다. 또한 수확기가 늦어짐에 따라 젖산 함량은 증가되었으나(P<0.05) 초산 함량은 감소되었다. 따라서 본 연구에서는 대단위 간척지 논에서 재배된 옥수수 사일리지 제조에 AG-BAG의 이용은 사일리지 발효가 양호하여 품질을 향상시켰을 뿐 만 아니라 옥수수 사일리지 제조에 경제적이며 효율적인 방법의 하나가 될 수 있다는 것을 보여주었다.