• 한국진공학회:학술대회논문집
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• 한국진공학회 2008년도 제34회 동계학술대회 초록집
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• pp.306-306
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• 2008

• 한국진공학회:학술대회논문집
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• 한국진공학회 2008년도 제35회 하계학술대회 초록집
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• pp.152-152
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• 2008

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2010년도 추계학술대회 논문집
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• pp.283-284
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• 2010

• 한국식품영양과학회지
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• 제14권3호
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• pp.229-234
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• 1985

The effect of packaging on the quality of dried anchovy was investigated, when packed with various materials and stored at different conditions. In cases of nitrogen gas substitution or addition of antioxidant, the reaction rates of lipid oxidation, the loss of available lysine and browning of the samples sealed in aluminum laminated film bag were lower than those packed in kraft paper or polyethylene film bag while the samples without gas substitution did not reveal any great differences in the rate of the reactions. The shelf-lives of the samples computed as a function of lipid oxidation were 90, 98 and 137 days at the storage of $35^{\circ}C$ for the packages of kraft paper, polyethylene and aluminum film respectively. And those at $55^{\circ}C$ storage for the same samples were 47, 51 and 77 days. The half-lives of available lysine loss were 227, 209 and 312 days at $35^{\circ}C$: 83, 83 and 147 days at $55^{\circ}C$ for the samples respectively. And the shelf-lives determined as a function of browning reaction were 26, 27 and 49 days at $55^{\circ}C$. The predicted shelf-lives at $25^{\circ}C$ as a function of lipid oxidation were 130, 140, and 189 days for kraft paper, polyethylene and aluminum laminated film packaging: 207, 229 and 246 days for the browning reaction, and 363, 339 and 415 days for the loss of available lysine. The results suggest that the protective effect of packaging on the reactions of lipid oxidation and browning could not be aided unless the air was expelled or replaced to inert gas.

• 접착 및 계면
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• 제7권3호
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• pp.16-25
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• 2006

내열성 및 투습방수기능을 가진 신발용 직물 및 부직포를 제조하기 위하여 스크린 방식으로 공정조건을 검토하고 투습방수 필름을 라미네이팅 한 후, 최종제품의 물성을 평가하였다. 결과는 다음과 같다. 열가소성 핫 멜트와는 달리 반응형 폴리우레탄 핫 멜트는 작업 이후에 적정한 내열성을 보유하는 것으로 나타났다. 최적의 용융접착 공정조건은 다음과 같다 ; 드럼 온도 $95^{\circ}C$, 호스 온도 $97^{\circ}C$, 공급파이프 온도 $100^{\circ}C$, 스크린 온도 $105^{\circ}C$이고, opposite roller의 압력은 $1kgf/cm^2$, laminating roller의 압력은 $3kgf/cm^2$이며, 가공속도는 15 m/min이다. 투습도는 필름의 두께가 증가함에 따라 투습도는 감소하였으나, 내수도는 증가하였고, 공기투과도는 필름의 영향이 지배적이었다.

• 한국식품위생안전성학회지
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• 제10권2호
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• pp.103-109
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• 1995

Microbiological and organoleptic qualities of boiled anchovies were evaluated during storage for 8 months at different temperatures and packaging methods. Microbial populations of marketing samples were 106~107 CFU/g in aerobic bacteria, 103~106 CFU/g in yeasts/molds and 103~105 CFU/g in coliforms, respectively, which were the highest in retail sample, followed by in military goods and wholesale sample. Moreover, anchovies supplied for retail sale and military goods were contaminated with sanitary indicative microbes. The samples stored at ambient condition(15~33$^{\circ}C$, RH 5$0^{\circ}C$95%) lost their marketable quaity mainly due to microbial propagation prior to 6 months, irrespective of packaging methods, corrugated-cardboard box and laminated-film(nylon 15${\mu}{\textrm}{m}$/PE 100${\mu}{\textrm}{m}$). However, cooling(5~1$0^{\circ}C$) as well as well as freezing temperatures($\leq$-18$^{\circ}C$) following laminated-film packaging were effective for keeping the organoleptic qualities of stored anchovies up to 8 months. The population of yeasts and molds was shown the quality-indicative criteria for stored anchovies and their critical levels were 5.00 log counts/g, showing a higher negative-correlationship(r=-0.901) with changes in organoleptic quality.

• 한국건축시공학회지
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• 제14권2호
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• pp.163-169
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• 2014

Engineers in the construction field have been using bonded waterproofing sheets in an attempt to resolve the imbalance in the quality, the risk of fire, safety of workers, and environmental pollution, as well as to eliminate separate use of organic adhesives on the surface of concrete. Recently, self-laminated waterproofing sheets have been developed. The purpose of this research is to find an appropriate processing speed according to the changes in physical properties, and visual observation of the waterproofing sheets laminated by the aluminum thin-film and viscosity layer that can be attached through self-adhesiveness on the surface of concrete and waterproofing sheets. Therefore, this research is conducted using a physical performance test. Based on the result of the test, when the high-frequency inductive heating apparatus was used, an improved adhesion and bonding stability effect were confirmed after the anti-hydrostatic pressure and bond strength in the temperature condition, and the surface observation in the processing speed condition.

• 한국전기전자재료학회논문지
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• 제14권5호
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• pp.435-443
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• 2001

As power durable RF SAW filters, AL-(0∼2wt%)Cu alloy multi-layered thin electrodes were deposited on 42° LiTaO$_3$ piezoelectric substrates by magnetron sputtering process, and then ladder-type RF SAW filters, satisfying the electrical specification of CDMA transmission band, were fabricated through optimizing SAW resonator structures. The temperature of film electrodes in SAW filter was increased with RF power, and reached the maxima to cause a failure of SAW filters at the cut-off frequencies of the RF filter band. As RF power increases, the electrodes of Al-Cu alloy showed higher power durability than that of pure Al. The multi-layer laminated film of Al-1wt.% Cu/Cu/Al-1wt%Cu resulted in the best power durability up to 4W of RF power. Every film electrode, however, was destroyed within seconds whenever applying a critical RF power to SAW filters, regardless of the composition and structure of film electrodes. The breakdown of film electrodes under FR power seems to believe due to the fatigue of electrodes caused by repetitive cyclic stress of surface acoustic wave, which is amplified as RF power increases.

• 폴리머
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• 제25권4호
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• pp.594-601
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• 2001

표면을 개질시켜 극성기를 도입한 다음 열융착시키는 방법으로 접착제를 사용하지 않고도 폴리에틸렌 필름과 알루미늄 판을 직접 접합시킬 수 있는지를 살펴보았다. 폴리에틸렌 필름은 산소 및 아크릴산 플라즈마로 처리하여 극성기를 도입하였으며, 알루미늄 판은 끓는 물로 처리하거나 diaminocyclohexane 플라즈마로 처리하여 극성기를 도입하였다. 폴리에틸렌 필름의 표면만을 개질시킬 경우에도 상당히 높은 접착력을 얻을 수 있었으며, 알루미늄 판의 표면까지 개질시킬 경우에는 접착시험시 폴리에틸렌 필름이 끊어질 정도로 높은 접착력을 얻을 수 있었다. 특히, 아크릴산플라즈마로 처리한 폴리에틸렌 필름과 diaminocyclohexane 플라즈마로 처리한 알루미늄 판을 접합시킬 경우에는 필름 표면의 카르복실기와 판 표면의 아민기가 반응하여 아마이드 그룹을 형성하는 화학적 결합에 대한 가능성도 보여주었다.

• International Journal of Aeronautical and Space Sciences
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• 제8권2호
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• pp.76-81
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• 2007

The fiber reinforced laminated composite structures are very susceptible to be damaged when they are impacted by foreign objects. To increase the impact resistance of the laminated composite structures, shape memory alloy(SMA) thin film is embedded in the structure. For the numerical impact analysis of SMA hybrid composite structures, SMA modeling tool is developed to consider pseudoelastic effect of SMAs. Moreover, the damage analysis is considered using failure criteria and a simple damage model for reasonable impact analysis. The numerical results are verified with the experimental ones. Impact analyses for composite plate with pre-strained SMAs are numerically performed and the damage areas are investigated.