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온도와 시간에 따른 Tocopherol의 syringe 내에서의 안정성 시험
권미옥,정양희,정영경,홍혜자,노환성 한국병원약사회 1999 병원약사회지 Vol.16 No.1
Tocopherol is considered an essential nutritional element and an antioxidant preventing the action of peroxidase on unsaturated bonds in cell membranes and protecting red blood cells against hemolysis. It may also act as a cofactor in some enzyme systems. The patients are recommended that tocopherol should be used 100∼1,000IU daily. It has been administrated 100IU in the pediatrics of our hospital. Because Genoa® using in our hospital include d-α-tocopherol 400IU, all the content of this capsule has been extracted with syringe and the one fourth of them has been administrated to the patient, and the three fourth has been discharged. Due to this economic problem, we studied the stability of tocopherol (Genoa®) in the syringe for 72 hours on different storage environment (refrigerated/room temperature) to use Genoa® one capsule for four days. Tocopherol 50㎎ was diluted in absolute ethanol 100㎖ and aqueous tocopherol samples were collected for High Performance Liquid Chromatography (HPLC) analysis with 0, 24, 48, 72 hours after diluting. As a result of HPLC analysis, we determined that if the content of tocopherol was between 96 and 102%, it was stable. The results are as following : 1) At refrigerated temperature (4±1℃), tocopherol in the samples remained more than 96% of the initial content throughout the study period, 2) At room temperature (25±1℃), tocopherol was stable for 48 hours, but unstable at third day. Therefore, tocopherol has to reserve at refrigerated temperature, and when reserved at room temperature, the stability of tocopherol is established for 48 hours.
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권미옥,장찬주,이호진 한국해양과학기술원 2010 Ocean and Polar Research Vol.32 No.4
This study examines changes in the Arctic sea ice associated with global warming by analyzing the climate coupled general circulation models (CGCMs) provided in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. We selected nine models for better performance under 20th century climate conditions based on two different criteria, and then estimated the changes in sea ice extent under global warming conditions. Under projected 21st century climate conditions, all models, with the exception of the GISS-AOM model, project a reduction in sea ice extent in all seasons. The mean reduction in summer (−63%) is almost four times larger than that in winter (−16%), resulting an enhancement of seasonal variations in sea ice extent. The difference between the models, however, becomes larger under the 21st century climate conditions than under 20th century conditions, thus limiting the reliability of sea-ice projections derived from the current CGCMs.
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권미옥,이경탁 한국전략마케팅학회 2013 마케팅논집 Vol.21 No.1
본 연구의 목적은 기업이 개별 브랜드에 지급하는 광고비와 브랜드자산 간의 관계를 분석하기 위한 것이다. 지금까지 광고비 지출에 대한 연구는 주로 광고비 효율성과 광고비와 기업의 시장성과 간의 관계를 다루고 있다. 그러나 마케팅적 관점에서 연구는 매우 제한적이다. 마케팅분야에서 광고비와 브랜드자산 간의 관계를 검증한 연구는 대부분 개별 브랜드가 아닌 기업 브랜드를 대상으로 하고 있다. 또한 이들 연구들은 소비자 조사가 아니라 패널 자료를 이용하고 있다. 이에 본 연구는 소비자 조사를 통해서 개별 브랜드에 지출하는 광고비와 소비자가 지각하는 브랜드자산 간의 관계를 다루고 있다. 광고비를 많이 지출한 200대 브랜드에 포함된 4개 제품군 18개 브랜드와 포함되지 않은 20개 브랜드를 대상으로 브랜드자산을 측정하였다. 브랜드자산의 구성요소로는 최초인지도, 비보조인지도, 보조인지도, 이미지, 구입가능성, 선호도를 이용하였다. 200명의 대학생을 대상으로 자료를 수집하였다. 연구결과를 살펴보면 광고비를 많이 지출한 브랜드가 그렇지 않은 브랜드에 비해서 브랜드자산이 높은 것으로 나타났다. 이러한 결과로 알 수 있는 것은 광고비 지출이 브랜드자산의 형성에 영향을 미친다는 것을 알 수 있다. The purpose of this study is to analyze the relationship between advertising expenditure and brand equity. Previous studies about the advertising expenditure focus on the advertising efficiency and the relationship between advertising expenditure and firm value. And from a marketing perspective, the study on advertising expenditure is very restrictive. The studies about this relationship between advertising expenditure and brand equity are not each brand but corporate brand. And the studies were based on panel data instead of consumer survey. Thus, the current research attempts to investigate the relationship between advertising spending and consumer-based brand equity by consumer survey. We choose a total of 39 brands in 4 different product categories and 18 brands of them are included in the list of 200 advertising spending brands. The components of brand equity in this study fall into six categories: top of mind awareness, brand recall, brand recognition, brand image, intention to buy, and preference. The data were collected from 200 college students. The results showed that brand equity of the brands which are spending far more on advertising is higher than those which are not. This implies that advertising expenditure has impact on the brand equity.
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The Effect of Tides on the Volume of Sea Ice in the Arctic Ocean
권미옥,이호진 한국해양과학기술원 2016 Ocean science journal Vol.51 No.2
Tides are believed to drive vertical mixing in the Arctic Ocean, thereby helping heat to reach the bottom of the sea ice layer, especially in regions with thick ice covers. However, tides are usually not included in ocean models. We investigated the effect of tides on sea ice in the Arctic Ocean using an ice-coupled ocean model that includes tides simultaneously. We found that with tidal forcing, the volume of sea ice increased by 8.5% in Baffin Bay, whereas it decreased by 17.8% in the Canadian Arctic Archipelago. The increase in sea ice volume in Baffin Bay results from the convergence of sea ice, driven by tidal residual currents. In contrast, the decrease in ice volume in the Canadian Archipelago is due to the suppression of ice formation in winter, especially in areas with steep topography, where the vertical mixing of temperature is enhanced by tides. Our results imply that tides should be directly included into the oceanic general circulation model (OGCM) to realistically reproduce the distribution of sea ice in the Arctic Ocean.
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권미옥(Miok Kwon),최승훈(Seung-Hoon Choi) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.1B
최근 소프트웨어 위기를 극복하기 위한 객체 지향 개발 방법론의 한계성이 나타남에 따라, 컴포넌트 기반의 소프트웨어 공학에 대한 연구가 활발히 진행되고 있다. 효율적인 컴포넌트 재사용을 위해서는, 컴포넌트 개발 시 하나의 컴포넌트 개발에 집중하기 보다는 공통된 특징을 공유하는 컴포넌트 패밀리 개발에 초점을 맞추어야 한다. 본 논문에서는 컴포넌트 패밀리 구축을 위한 도메인 공학과 특성 모델(Feature Model)을 기반으로, XML 명세서를 받아들여 사용자가 원하는 컴포넌트를 자동 생성하는 컴포넌트 코드 생성기와 재사용 프로세스를 제안한다. 컴포넌트 재사용자가 특정 컴포넌트 패밀리의 특성 모델에서 필요한 특성을 선택하면 컴포넌트 코드 생성기는 재사용자와 목적과 환경에 적합한 코드를 자동 생성한다.
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