• Cross-Cultural Studies
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• v.26
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• pp.43-71
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• 2012

In this article, we recognize the cross-cultural communication between Greece and Spain through El Greco's pictures. The Greeks of Crete kept to their culture and continued to look to the declining Byzantine Empire for spiritual and political guidance. For two centuries after the conquest, the strength of the Byzantine tradition had become the moral and spiritual sustenance of the conquered in Crete. The basic contribution of Cretan intellectuals or artists such as El Greco of the fifteenth and sixteenth centuries was the forging of connecting links between the Hellenism of the old Byzantine East and the rising, youthful Hellenism of the Renaissance West. In this way, Crete served as an important halfway point between East and West. The saint Mary Magdalene was symbol of Christian penitence, which represents the penitential life personified and became widespread during the Counter Reformation, when new emphasis was put on the value of prayer and repentance in the forgiveness of sin. In Spain, the Penitent Magdalene was popular and El Greco painted many versions, which at the first time, were reflected by Tiziano, on the contrary, at the time of Toledo, were recreated by his own style. Although El Greco was converted to Catholic in Spain, his faith in Greek Orthodox Church influenced on his original painting world. El Greco had never painted a picture whose subject treat with the emphasis of identification between Mary Magdalene and Mary, younger sister of Martha.

• Iberoamérica
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• v.12 no.1
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• pp.55-86
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• 2010

Después de la década 1990, la soja ha sido un agro-producto más importante en Paraguay. Pero la soja ha convertido el campo rural en la zona de la producción, es decir, la zona de sojización, para la exportación. Por otro lado, el campo rural se ha deteriorado por el aumento de la extensión del cultivo sojal. Los cultivos se extienden a lo largo de cientos de kilómetrios y afectan zonas muy cercanas a comunidades, colonias y otros asentamientos campesionos e indígenas, incluyendo escuelas, hogares, charcas familiares y comunitarias. Los sojeros utilizaron los agrotóxicos que contaminaron la tierra, agua y alimentos. Aunque los campesinos no quieren vender sus tierras, no ven otras alternativas ante los graves problemas que conllevan las masivas fumigaciones. Ellos venden sus lotes y migraron a ciudades. Se pierde la soberanía territorial, pues las tierras pasan a manos extranjeras, y la soberanía alimentaria, porque se desplaza la diversificación y los cultivos de subsistencia, expulsando a los campesions hacia las ciudades. Ante el agravamiento de la situación causado por el incremento del cultivo de la soja, los campesinos empezaron a resistir, es decir, desarrollar 'la guerra de la soja' contra los sojeros y el gobierno paraguayo que no tenia refuerzos de resolver los problemas. Los campesinos formaron coordinadoras por la defensa de sus tierras y de su modo de vida contra los sojeros. Las luchas y movilizaciones reclaman no sólo un nuevo tipo de reforma agraria sino también la defensa de la soberanía económica, alimentaria y territorial, el derecho a producir con la propia semilla y a desarrollar técnicas agrícolas adecuadas de acuerdo con la economía campesina y el equilibrio del medio ambiente, el desarrollo de formas sociales de producción y la democratización en el medio rural.

• Atmosphere
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• v.28 no.1
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• pp.37-51
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• 2018

In this study, we investigate the performance of Global Seasonal Forecasting System version 5 (GloSea5) in Korea Meteorological Administration on the relationship between El $Ni{\tilde{n}}o$ and East Asian climate for the period of 1991~2010. It is found that the GloSea5 has a great prediction skill of El $Ni{\tilde{n}}o$ whose anomaly correlation coefficients of $Ni{\tilde{n}}o$ indices are over 0.96 during winter. The eastern Pacific (EP) El $Ni{\tilde{n}}o$ and the central Pacific (CP) El $Ni{\tilde{n}}o$ are considered and we analyze for EP El $Ni{\tilde{n}}o$, which is well simulated in GloSea5. The analysis period is divided into the developing phase of El $Ni{\tilde{n}}o$ summer (JJA(0)), mature phase of El $Ni{\tilde{n}}o$ winter (D(0)JF(1)), and decaying phase of El $Ni{\tilde{n}}o$ summer (JJA(1)). The GloSea5 simulates the relationship between precipitation and temperature in East Asia and the prediction skill for the East Asian precipitation and temperature varies depending on the El $Ni{\tilde{n}}o$ phase. While the precipitation and temperature are simulated well over the equatorial western Pacific region, there are biases in mid-latitude region during the JJA(0) and JJA(1). Because the low level pressure, wind, and vertical stream function are simulated weakly toward mid-latitude region, though they are similar with observation in low-latitude region. During the D(0)JF(1), the precipitation and temperature patterns analogize with observation in most regions, but there is temperature bias in inland over East Asia. The reason is that the GloSea5 poorly predicts the weakening of Siberian high, even though the shift of Aleutian low is predicted. Overall, the predictability of precipitation and temperature related to El $Ni{\tilde{n}}o$ in the GloSea5 is considered to be better in D(0)JF(1) than JJA(0) and JJA(1) and better in ocean than in inland region.

• Journal of Life Science
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• v.17 no.2 s.82
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• pp.211-217
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• 2007

The goal of this study is to investigate effects of temperature and co-chaperonin requirement for in vitro protein refolding assisted by E. coli chaperone GroEL under permissive and nonpermissive temperature conditions. In vitro protein refolding of two denatured proteins was kinetically investigated under several conditions in the presence of GroEL. Effects of temperature and GroES-requirement on the process of prevention of protein aggregation and refolding of denatured protein were extensively monitored. We have found that E. coli GroEL chaperone system along with ATP is required for invitro refolding of unfolded polypeptide under nonpermissive temperature of $37^{\circ}C$. However, under permissive condition spontaneous refolding can occur due to lower temperature, which can competes with chaperone-mediated protein refolding via GroEL chaperone system. Thus, GroEL seemed to divert spontaneous refolding pathway of unfolded polypeptide toward chaperone-assisted refolding pathway, which is more efficient protein refolding pathway.

• 전기의세계
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• v.37 no.1
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• pp.42-54
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• 1988

본 고에서는 화상표시장치로서의 모든 요건을 대부분 만족시키며 제조공정 등이 비교적 용이하고 평면화상표시장치의 대규모 생산에 알맞는 것으로 알려진 직류형 분말 EL을 이용한 표시장치 기술에 대해 논의한다. 서론에 이어 2장에서는 EL의 동작원리 및 동작특성에 대해 설명하고 3장에서는 투명 전극, EL 분말 처리과정 및 분말의 구리 도금 과정등 직류 EL용 재료의 제조방법 및 특성 등에 대해 기술한다. 4장에서 EL 평판제작 및 발광층 형성 과정에 관해 설명하고 이상의 방법으로 제작된 직류구동형 EL 평판의 열화형태 및 이들의 해결책에 대해 5장에 설명한다. 6장에서는 이들 평판표시장치를 구동하기 위한 주변 전자 회로의 집적화 기술에 대해 설명하며 마지막으로 결론 및 앞으로의 연구방향을 7장에 제시한다.

• 한국정보디스플레이학회:학술대회논문집
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• 2005.07b
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• pp.1138-1142
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• 2005

We achieved a highly efficient green OLED with an efficiency of 30cd/A by using a new electron transport material and optimizing the device structure. The luminous efficiency was 16.8lm/W at $3000cd/m^2$ and the lifetime was over 60,000hr at an initial luminance of $1000cd/m^2$. Furthermore, we obtained a threecomponent RGB white OLED by using the highly efficient green material. This RGB white OLED shows more excellent color reproducibility for full color displays with color filters, compared to a twocomponent white OLED.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2008.06a
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• pp.444-444
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• 2008

EL은 LCD와 같은 수광 형태의 소자에 비해 응답속도가 빠르고, 자체 발광 형태의 디스플레이로 휘도가 우수하며 구조가 간단하여 제조가 용이하고 경량 박형의 장점을 가지고 있다. EL을 이용하여 세븐 세그먼트나 픽셀별 발광으로 표시소자를 제작하였다. EL 소자의 구조는 전극은 금, 유전체는 PMN과 PZT를 이용하였으며 형광체를 적층하고 ITO를 증착하여 제작하였다. 4*4mm로 크기의 픽셀이 49개가 들어간 소자를 제작하고 ITO와 하부 전극을 교차하여 매트릭스 타입으로 제작하였다. 픽셀 하나에 교류 전압 펄스를 변화하여 가했을 때의 픽셀의 광전특성과 주변 픽셀에 미치는 영향에 대해 오실로스코프, 광 프로브 등을 이용하여 특성을 살펴보았다.

• The Transactions of the Korean Institute of Electrical Engineers C
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• v.48 no.5
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• pp.349-353
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• 1999

In this paper, to fabricate the AC power electroluminescent device (PELD) with high brightness, new structure that constructed single emissive layer between electrodes was proposed. Dielectric and phosphor material structure that constructed single emissive layer between electrodes was proposed. Dielectric and phosphor material were BaTiO3 and ZnS:Cu respectively. Fabricated AC power EL devices were estimated by optical and electrical properties of EL spectrum, brightness, CIE coordinate system, transferred charge density and EL emission wave in time domain. With above results, we found that brightness of newly proposed AC powder EL power EL device was 2754 cd/m2 at 100V, 400 Hz and compared with conventional device structure.

• Proceedings of the KSRS Conference
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• 2003.11a
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• pp.1413-1414
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• 2003

Interannual variability in the patterns of satellitederived pigment concentrations, sea-level height anomaly, sea surface temperature anomaly, and zonal wind anomaly are observed during the 2002-2003 El Ni${\tilde{n}}$o. The largest spatial extent of the phytoplankton bloom was recovery from El Ni${\tilde{n}}$o over the equatorial Pacific. The evolution towards a warm episode (El Ni${\tilde{n}}$o) started from spring of 2002 and continued during January 2003, while equatorial Sea Surface Temperature Anomaly (SSTA) remained greater than +1$^{\circ}$C in the central equatorial Pacific. The EOS (Earth Observing System) and OSMI (Ocean Scanning Multispectral Imager) data are used for detection of dramatic changes in the patterns of pigment concentration during El Ni${\tilde{n}}$o.

• Proceedings of the Korea Institutes of Information Security and Cryptology Conference
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• 1994.11a
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• pp.166-179
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• 1994

Diffie-Hellman 의 공개 키 암호 프로토콜이 제안된 이후 이산 대수 문제의 어려움이 프로토콜의 안전도와 깊이 연관되었다. 유한체를 이용한 암호 기법을 ElGamal 이 세웠으나, Index-Calculus 알고리듬에 의해 유한체위 에서 이산 대수 문제가 subexponential 알고리듬이되 어 ElGamal 기법의 안전도가 약해졌다. Nonsupersingular타원 곡선을 선택하여 유한체대신 ElGamal 암호 기법에 적용하면 안전한 암호 시스템을 설계할 수 있다. 이 논문에서는 콤퓨터 구현시 용이한 nonsupersingular 타원 곡선을 선택하는 방법, 유한체위에서의 연산, 평문을 타원 곡선의 원소로 임베드(Imbedding) 하는 방법 등 타원 곡선을 암호시스템에 적응하기 어려운 점들에 대한 해결 방법을 소개하고, 실제로 콤퓨터로 구현하여 그 실행 결과와 ElGamal 기법을 개선한 Schnorr 기법을 실행한 결과를 밝혔다.