• 한국운동역학회지
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• 제13권1호
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• pp.51-62
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• 2003

This study was attempted to kinematical characteristics of the El-grip swing with 1turn to el-grip in elite horizontal bar for the purpose of improving performance. The subjects were three males who were 2002 Busan Asian Games in men's team. The three dimensional motion analysis with DLT method was executed using three video cameras of analyzing the actual competition situation. In point of analyzing the actual competition situation, it is expected that gymnastics and coaches have the effective informations, and the following conclusion had resulted. 1. In case of release, It is impotant to make fast horizontal velocity of CM, high vertical position of CM, large hip and shoulder angle. Also It should be performed release motion of trunk rotation angle(+). 2. During LHR the action should be made at higher position than the CM and the shoulder joint is moving within $127{\pm}16.82$. It is important to make large lunk rotation angle. 3. During Hop, the RHR motion should be done in high position with short time and fast twisting action and to reduce the vertical speed is important.

• 이베로아메리카
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• 제13권1호
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• pp.287-317
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• 2011

En este trabajo tratamos de investigar el proceso la constitución nacional de la República Argentina moderna, enfocando en la contradicción entre los federales y los unitarios. En el capítulo II, ante todo hemos definido el origen y el contexto de formación de cada ideología y partido. El centro de los federales estaba en las provincias interiores y litorales, mientras que los unitarios hacen de centro la provincia de Buenos Aires. En el capítulo III, mostramos las causas de esta contradicción histórica y tratamos de caracterizar las diferencias. Explícitamente el conflicto se basa en la distinción de la visión política e ideológica, es decir, la distinción de cómo orientar la constitución nacional de la república incipiente. Sin embargo, es inevitable referir la división administrativa histórica durante la época colonial. Al mismo tiempo no debemos faltar el conflicto de interés económico respecto al puerto de Buenos Aires. En el capítulo IV, analizamos comparando las ideas de dos intelectuales, las cuales hacen un papel importante en la organización nacional. Primero analizamos el pensamiento civilizatorio de Sarmiento, y después, demostramos el pensamiento federalista de Alberdi como origen de la constitución argentina de 1853, y de la inmigración europea. Como consecuencia del estudio, podemos llegar a la conclusión de que los esfuerzos por realizar la organización nacional no siempre estaban en línea paralela de ambos partidos divididos, sino tenemos un ejemplo dialéctico y combinatorio como el caso de Alberdi.

• 한국광학회지
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• 제13권2호
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• pp.128-133
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• 2002

최근 주목을 받고 있는 고분자 발광다이오드의 개발에 있어서, 발광고분자의 Photoluminescence(PL)와 Electroluminescence (EL) 양자효율 측정은 소자의 성능개선 연구 등에 있어서 가장 핵심적인 요소 중 하나로 여겨진다. 이러한 이유에서 본 연구에서는 잘 알려진 발광고분자인 Poly(2-methoxy-5(-(2-ethyl-hexyloxy)- 1,4-phenylenevinylene) (MEH- PPV)를 이용하여 시편을 제작하고, 적분구 측정법을 이용하여 이의 P교라 EL 양자효율을 구하였다. 그 결과 본 연구진이 개발한 MEH-PPV의 PL 양자효율은 8$\pm$2%로 측정되었는데, 이는 세계적으로 알려져 있는 ～9%의 결과에 거의 접근함을 보였다. 한편, 이 물질을 이용하여 고분자 발광다이오드를 제작한 결과, 이의 EL양자효율은 0.02 1m/W로 측정되었다. 본 연구를 통하여 확립된 발광고분자의 양자효율 측정법은 국내의 유기발광소자 연구에 큰 기여를 하리라 기대된다.

• 한국인쇄학회지
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• 제13권2호
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• pp.33-45
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• 1995

1, 4-Diketo-3, 6-diphenyl-pyrrolo-[3, 4c]-pyrrole(abbriviated DPP) is a new heterocyclic pigment of red color whose chlorinated derivative is now on the market. DDP was synthesized from benzonitrile and diethylsuccinate. Pariser-parr-pople(PPP) molecular orbital calculations have been carried out on the DPP in other to study spectroscopically the DPP chromophore on deprotonation.

• Journal of Pharmaceutical Investigation
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• 제20권1호
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• pp.13-18
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• 1990

Hydrocortisone (HC) sustained-release suppositories were prepared by using a solid matrix of methacrylic acid-methacrylic acid methyl ester copolymer $(Eudragit\;L_{100}^{R}:\;EL)$ as a poorly water soluble carrier and polyethylene glycole 1540 (PEG) as an water soluble carrier. HC release rate was controlled by complexation with ${\beta}-cyclodextrin$ $({\beta}-CyD)$ which was confirmed by X-ray diffractometry, IR-spectroscopy and differential scanning calorimetry. Release rate of HC from the EL-PEG matrix suppositories decreased with increase of EL contents. The release rale from $HC-{\beta}-CyD$ complex decreased in the following order: $HC-{\beta}-CyD/PEG$ > HC/PEG > $HC-{\beta}-CyD/EL_{10%}-PEG$ > $HC/EL_{10%}-PEG$ > $HC-{\beta}-CyD/EL_{15%}-PEG$ > $HC/EL_{15%}-PEG$ > $HC-{\beta}-CyD/EL_{20%}-PEG$ > $HC/EL_{20%}-PEG$. The crystallinity of HC in polymer matrix was identified using X-ray diffractometer and the surface of matrix suppositories after release test was examined by scanning electron microscopy. The sustained release of HC from these matrix suppositories was attributed to the network structure of EL.

• 이베로아메리카
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• 제13권1호
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• pp.41-67
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• 2011

El Salvador had suffered some 75,000 casualties, mostly civilian, from violent civil conflict(1980-92). In 1992, after negotiations, the government and FMLN signed a historic comprehensive peace accord which brought an end to the war and instituted wide-reaching political and social reforms. Many scholars call it as Transitional Justice in El Salvador. Transitional Justice in El salvador has had two identifiable stages. In the First stage, institutional reforms, such as DDR(disarmament, demobilization, reintegration), and a truth commission were implemented. The second phase corresponds to the period subsequent to the truth commission report, with the failure to implement the commission's recommendations, including those related to reparations and justice. This essay explain how was transitional justice in El salvador different from the other cases, and what was the purpose of extraordinary transitional justice in El Salvador. In detail, the first section of this essay examines the history of the civil war and peace process in El Salvador, and then explores the relationships between cold war and transitional justice in El Salvador. Finally, this essay suggests that truth commission's mandate which investigate 'serious acts of violence that have occurred since 1980' was very important role to accomplish peace and transitional justice in El Salvador.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2012년도 학술발표회
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• pp.197-197
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• 2012

본 연구에서는 대기 순환패턴 및 수문 환경변화에 영향을 미치는 주요인자인 El Ni$\tilde{n}$o-Southern Oscillation (ENSO)의 서로 다른 형태인 Warm-pool (WP) El Ni$\tilde{n}$o, Cold-tongue (CT) El Ni$\tilde{n}$o에 따른 한강유역의 봄철 (March~May)과 여름철 (June~August) 강수 및 유출의 특성을 분석하였다. 봄철 강수량의 경우, WP El Ni$\tilde{n}$o 시기에 증가추세를 보이며, 강수의 변동특성 또한 크게 나타났다. 여름철 강수량의 경우, CT El Ni$\tilde{n}$o 시기에는 평년보다 대체로 건조한 경향을 보이나, WP El Ni$\tilde{n}$o 시기에는 유역 전체에서 습한 경향을 보였으며 강수의 변동성은 매우 작은 것으로 분석되었다. 봄철 유출량의 경우, CT El Ni$\tilde{n}$o 시기와 WP El Ni$\tilde{n}$o 시기에 모두 평년치보다 크게 나타났으며, WP El Ni$\tilde{n}$o 시기에 한강 남부 대부분 유역에서 유출량이 통계적으로 유의한 증가 경향을 보였다. 여름철 유출량의 경우, CT El Ni$\tilde{n}$o 시기에는 대부분 유역에서 평년치보다 감소하나 수문 변량의 변동성은 큰 것으로 분석되었다. WP El Ni$\tilde{n}$o 시기에는 거의 모든 유역에서 유출이 증가하는 것으로 나타났으며, 특히 13개 중권역에서는 유출의 변동성이 작고 통계적으로 유의한 증가패턴이 분석되었다. 따라서 본 연구는 서로 다른 두가지 형태의 El Ni$\tilde{n}$o패턴에 대하여 한강유역의 봄철과 여름철 수자원 변동성에 민감하게 영향을 미치고 있음을 확인하였으며 수자원의 효율적인 예측 및 관리와 안정적인 용수공급을 위한 수문기상인자와 수문자료간의 관계 규명에 유용하게 활용될 것으로 기대한다.

• 한국축산식품학회지
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• 제25권2호
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• pp.244-249
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• 2005

To investigate the effect of Holstein colostrum peptide fraction on proliferation of immune cell, polypeptide fractions were separated from acid whey into 3 fractions depending on molecular weight by ultrafiltration: Fraction I, which contains the polypeptide larger than 10,000 Da, Fraction n, which contains the polypeptide ranging from 1,000 Da to 10,000 Da and Fraction III, which contains the polypeptide smaller than 1,000 Da. EL-4 cell (murine T lymphoma cell) was used to evaluate immune enhancing effect of each fraction from Holstein colostrum. Fraction n showed the highest proliferative effect of the colostrum whey fractions on EL-4 cell at 1mg/mL compared with whole whey and other fractions and this proliferative activity was shown in dose dependent manner. Fraction n showed the highest proliferative effect on PMA (Phorbol 12-myristate 13-acetate) stimulated EL-4 cell. Heated Fraction n showed similar effect to native one on proliferation of both EL-4 cell and PMA stimulated EL-4 cell.

• Bulletin of the Korean Chemical Society
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• 제13권2호
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• pp.113-116
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• 1992

The electrical conductivity of the complexes of $Co^{2+}$, $Ni^{2+}$ and $Cu^{2+}$ with o-aminobenzoic acid hydrazide was measured between 300 and 500 K. It was observed that the conductivity is dependent upon both the cations and anions of the reacted salts. The prepared complexes exhibit typical semiconducting behaviour.

• 한국지하수토양환경학회:학술대회논문집
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• 한국지하수토양환경학회 1997년도 추계 국제학술심포지움 논문집
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• pp.97-142
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• 1997

The Seoguipo Formation occurs only in a small exposure along the coast of the Seoguipo City, but in the subsurface, underlies tile western part of the Bugcheon-Pyoseon Line in the northeastern part of tile island. The Bugcheon-Pyoseon Line is presumed to be a facies boundary that reflects tile distribution of hyaloclastites resulted from submarine volcanic activity. The Seoguipo Formation is distributed in the subsurface along the part which is lower than 400m in average altitude, and occurs at El. -5.76∼-46.63m in tile southern area, El. -41.89∼-57.97m in the western area, El. -13.15∼-50.59m in the northern area. Therefore, the southern area was uplifted after the deposition of the Seoguipo Formation. In the subsurface, the vertical depth of the volcanic rocks of the Cheju Volcanic Edifice is El. -40.6m in the southern area, El. -111.3m in the western area, El. -81.5m in the northern area and El. -134.7m in the eastern area. The unconsolidated U Formation, which is, overlying the basement and about 70∼250m thickness underlies the whole island. There is a positive correlation between tile groundwater level and the depth of the subsurface distribution of the Seoguipo Formation. Consequently, it is conformed that the subsurface distribution of the Seoguipo Formation plays important role for controlling the characteristics of the reservoir of tile groundwater in Cheju Island.