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고영희 한국미생물학회 1988 微生物과 産業 Vol.14 No.2
대부분의 생물은 온화한 환경조건 즉 중성부근의 pH, 30~37 .deg.C, 1 기압하에서 적당한 농도의 영양과 염류를 함유한 환경속에서 생활을 영위하고 있으나 하등생물인 미생물 중에는 특수환경 즉 강알칼리성 또는 강산성 pH, 고온, 고압하에서 생육하며 고농도의 염을 요구하는 것이 있다. 이러한 특수환경 미생물은 자신의 환경조건에 적응할 수 있도록 생체 system을 구성하기 위하여 독특한 효소나 물질을 생성하므로 이를 산업적으로 유용하게 이용할 수 있다. 여러가지 특수환경 미생물 중 여기서는 호알칼리성 미생물의 산업적 이용면을 간단히 기술하고자 한다.
음식과 문화적 기억 - 루야오둥(逯耀東)의 음식산문을 중심으로 -
고영희 중국인문학회 2023 中國人文科學 Vol.- No.84
Taiwan's dietary literature has continued to develop qualitatively and quantitatively in the late 1990s and now has a solid status in Taiwanese literature. Dietary prose, which accounts for a large proportion of dietary literature, began to form its writer base in the 1970s. Representative writers include the first generation Liang Shiqiu(梁實秋, 1903-1987) and Tang Lusun(唐魯孫, 1907-1985), the second generation Lu Yaodong(逯耀東, 1933-2006), and the third generation Jiao Tong(焦桐, 1956-). While the first generation artists expressed their longing for their hometown through food, the second generation artists added historical elements to add social and cultural contexts. And the third generation writers is characterized by using various materials and styles. This paper examined the dietary prose of the second generation, Lu Yaodong, and analyzed the cultural identity of the 1.5th generation of mainlanders(外省人) and his writing as historians in his work. Lu Yaodong witnessed the rapidly changing values and ways of life of the ethnic community in modern society and projected his desire to preserve tradition in his dietary prose. He used historical knowledge and literary sensibility to capture the history and personal memories of dietary culture in his works. Through this, Lu Yaodong tried to strengthen the cultural identity of the Chinese people by recording cultural memories of dietary culture and passing them down to posterity.
소비자 사이의 중고 태블릿PC 거래 가격의 통계적 예측
고영희,김소형,정유진 대한산업경영학회 2022 산업융합연구 Vol.20 No.12
This study aims to develop a predictive model to suggest a used sales price to sellers and buyers when trading used tablet PCs. For model development, we analyzed the real used tablet PC transaction data and additionally collected detailed product information. We developed several predictive models and selected the best predictive model among them. Specifically, we considered a multiple linear regression model using the used sales price as a dependent variable and other variables in the integrated data as independent variables, a multiple linear regression model including interactions, and the models from stepwise variable selection in each model. The model with the best predictive performance was finally selected through cross-validation. Through this study, we can predict the sales price of used tablet PCs and suggest appropriate used sales prices to sellers and buyers.
고영희 한국동서비교문학학회 2022 동서 비교문학저널 Vol.- No.61
This paper explores the ways in which the Victorian and Edwardian ideas of sanitation, ideas that were triggered by Chadwick’s Sanitary Report and utilized to uphold the bourgeois social order, are depicted and deployed in George Bernard Shaw’s Pygmalion. Not only is the play filled with references to dirt and dirtiness, but it exposes how such references are arbitrary, and how their associations to poverty and moral depravity are artificial. Higgins’s continuous tagging Eliza as a dirty being even after her successful transformation into a purported duchess, for example, shows how he appropriates the idea of dirtiness for gaining the upper hand over her and demanding her domestic service. Indeed, his linguistic project, based on Victorian sanitationism, is filled with a bourgeois impulse for controlling and regulating working-class bodies, a biopolitical impulse Mary Poovey notices in the Sanitary Report. For this purpose, Poovey argues, Chadwick particularly emphasizes domesticity and its political role in his report. Building on Poovey’s argument, this paper claims that marriage in Pygmalion, an event Eliza and her father cannot escape after their transformation into middle-class members, proves their ultimate domestication by the bourgeois society. Shaw’s Pygmaion, on the whole, is stealthily but deeply engaged with the sanitary discourse of the days, exposing the falseness of its assumptions, assumptions that the poor are dirty and immoral. To prove such point, this paper would often draw on the sanitary ideas of Chadwick and his contemporaries for comparison.
Ag의 두께에 따른 V<sub>2</sub>O<sub>5</sub>/Ag/ITO 구조의 다층 박막의 광학적, 전기적 특성
고영희,박광훈,고항주,하준석,Ko, Younghee,Park, Gwanghoon,Ko, Hang-Ju,Ha, Jun-Seok 한국마이크로전자및패키징학회 2014 마이크로전자 및 패키징학회지 Vol.21 No.1
최근 유기태양전지의 효율향상을 위하여 고분자의 PEDOT:PSS 양극(Anode) 버퍼층이 널리 사용되고 있다. 그러나 고효율 태양전지의 개발과 더불어 새로이 적용되고 있는 역구조 유기 태양전지에는 이 같은 친수성의 PEDOT:PSS 고분자가 소수성의 양극이나 광활성층 상에 균일하게 코팅되는 것이 문제점으로 지적되고 있다. 이러한 문제점을 극복하기 위해서 양극 버퍼층으로 $V_2O_5$와 같은 p-type 금속산화물을 사용한 연구가 많이 보고되고 있다. 본 연구에서는 저항을 낮추고 홀 이동도를 향상 시키기 위해 Ag를 삽입층으로 한 $V_2O_5$/Ag/ITO 구조의 다층 박막을 제작하고 Ag두께에 따른 전기적, 광학적, 구조적 특성의 변화에 대하여 살펴보았다. 가시광 영역에서는 Ag 두께가 증가함에 따라 광 투과율이 감소하는 반면 전기적 특성은 향상되는 것을 볼 수 있었다. 광소자의 투명전극산화물로 적합한 구조인지 평가하기 위해 Figure Of Merit(FOM)의 값을 측정하였고, 그 결과 Ag의 두께가 4 nm에서 가장 좋은 특성을 나타냈다. $V_2O_5$/Ag/ITO 구조의 다층 박막은 가시광 영역에서 Ag의 두께가 4 nm일 때 88%의 광 투과율을 나타내었고 저항 값은 $4{\times}10^{-4}{\Omega}cm$로써 광소자로 적합한 구조임을 확인하였다. Recently, the buffer layers consisting of poly (3,4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT-PSS) are extensively used to improve power conversion efficiency (PCE) of organic solar cells. However, PEDOT-PSS is not suitable for mass production of organic solar cells due to its intrinsic acid and hygroscopic properties. Moreover, because of chemical reactions between indium tin oxide (ITO) layer and PEDOT-PSS layer, the interface is not stable. For these reasons, alternative materials such as $V_2O_5$ have been developed to be an effective buffer layer. In this work, we used $V_2O_5$/Ag/ITO multilayer structure for the anode buffer layer. With variation of thickness of Ag layer, we investigated the optical and electrical properties of $V_2O_5$/Ag/ITO multi-layer films. As a result, we found that the electrical properties were improved with increasing Ag thickness while optical transmittance decreases in visible wavelength region. From the calculation of figure of merit (FOM) which is used to evaluate proper structure for transparent of optoelectronic, $V_2O_5$/Ag/ITO multilayer electrode was optimized with 4 nm thick Ag layer in optical (88% in transmittance) and electrical ($4{\times}10^{-4}{\Omega}cm$) properties. This indicates that $V_2O_5$/Ag/ITO multilayer electrode could be a candidate for the anode of optoelectronic devices.