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미디어 이용행태가 재・보궐 선거 후보자 결정요인에 미치는 영향에 관한 연구 -2011.4.27 경기도 성남시 분당을 지역 재・보궐 선거를 중심으로
이상묵,박성복,이정기 한국정치커뮤니케이션학회 2011 정치커뮤니케이션 연구 Vol. No.
This study was conceived by the recognition that most of the previous studies on re- and by-elections failed to fully consider the determinants of candidate evaluation and the media variables identified by the national-level voting determinants, heavily inclined toward the voters' demographic and sociopsychological variables. Thus this study divided the electorate of the Bundang re- and by-election in 2011 into those who voted for the ruling party candidate, those who voted for the opposition party candidate and those who did not cast a vote. The study also checked differences in sociodemographic characteristics, patterns of media usage, and determinants of candidates and examined the influence of patterns of media usage as an antecedent variable affecting the determinants of candidates. As a result, those who voted for the ruling party candidate, those who voted for the opposition party candidate and those who did not cast a vote in the Bundang re- and by-election had their own characteristics in sociodemographics, patterns of media usage, and determinants of candidates. The findings also confirmed the differential influences of the sociodemographic variables and the variables of media usage pattern. Based on the results, the study made suggestions to help to create a desirable election climate. 본 연구는 재・보궐 선거와 관련된 선행연구의 대부분이 유권자의 인구통계 변인, 사회심리적 변인 등에 치우쳐 있고, 전국단위의 투표결정요인으로 도출된 선거후보자 평가 결정요인과 미디어 변인을 충분히 고려하지 못하고 있다는 문제의식에서 출발하였다. 이에 본 연구는 2011년 분당을 지역 재・보궐 선거에서 여당 후보에 대한 투표자, 야당 후보에 대한 투표자, 비투표자를 구분하여 이들 사이의 인구사회적 특성, 미디어 이용행태, 선거후보자 결정요인의 차이를 확인하였다. 또한 선거후보자 결정요인에 영향을 미치는 미디어 이용행태의 영향력을 확인하였다. 연구결과 분당을 지역 유권자들 중 여당 후보에 대한 투표자, 야당 후보에 대한 투표자, 비투표자는 인구사회적 특성, 미디어 이용행태, 선거후보자 결정요인에 있어 각기 차별적인 특성을 가지고 있었다. 또한 미디어 이용행태 변인은 선거후보자 결정요인의 세부 변인에 차별적인 영향을 미쳤다. 본 연구는 이상의 연구결과를 바탕으로 바람직한 선거풍토 조성을 위한 제언을 하였다.
Curing behavior of polyurethane as a binder for polymer-bonded explosives
이상묵,최종한,홍인권,이재욱 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
The kinetics of the urethane-forming cure reaction of hydroxyl terminated polybutadiene (HTPB) withisophorone diisocyanate (IPDI) in presence of triphenyl bismuth (TPB) catalyst was investigated in thebulk state by using differential scanning calorimetry (DSC) and rheometry. The activation energies wereevaluated using the Kissinger method and the Ozawa method with multiple heating rates. Chemorheology in this system at isothermal condition was also studied and the value of activationenergy was in agreement with those obtained from DSC study. The master curve was constructed toestimate the essential information such as the pot-life duringmanufacturing polymer-bonded explosive(PBX) through the knowledge of gel times at given temperatures.
내부 경화형 구상흑연주철 롤 동체와 넥의 미세조직과 경도에 미치는 탄소 영향
이상묵,신기항,최병철,남기우 한국산업융합학회 2023 한국산업융합학회 논문집 Vol.26 No.1
This study was investigated the effect of carbon on the micro-structure and hardness of ductile cast iron roll with internal curing capacity. Spheroidal graphite existed at roll body with rapid cooling, but granular graphite existed at roll neck with slow cooling. The volume fraction of graphite increased at roll body with rapid cooling, That of roll neck with slow cooling decreased, but graphite size increased. The volume fraction of cementite decreased, but volume fraction increased. The cementite size was larger at roll neck than roll body. The hardness was decreased at roll body and roll neck due to volume fraction of cementite. The hardness of roll body was higher than roll neck.
백서에서 4가 암모늄 리도카인 유도체 QX-314의 급성 전신성 독성비교
이상묵,정규돈,손윤숙,유승준,유건희,이상훈,조현숙 대한마취통증의학회 2009 Anesthesia and pain medicine Vol.4 No.1
Background: The current study examined the acute systemic toxicity of QX-314 that there have been few research results for this so far. In order to be useful as a drug, it must be shown to have minimal toxicities. Hence, we compared the CNS and cardiac toxicities of QX-314 to the conventional local anesthetic lidocaine. Methods: Acute toxicity was evaluated by determining the individual intravenous CD50 and LD50 of QX-314 and lidocaine. There were four doses for each LD50 determination and 8 animals per dose level. Animals were observed for several hours immediately following drug administration and recorded overt effects and fatalities. Both lidocaine and QX-314 were dissolved in saline. Lidocaine and QX-314 were diluted to 1, 2, 4, 6 and 0.5, 1, 2, 4%, respectively with saline and injected at the same volume to minimized cardiovascular effect. Results: The intravenous CD50 and LD50 were 12.7 and 14.1 mg/kg for QX-314 and 15.7 and 28.8 mg/kg for lidocaine. Electrocardiograms showed intraventricular block (widened QRS complex) at high doses of lidocaine compared to AV block (loss of QRS complex) at high concentrations of QX-314. There are no evidence that CNS toxicity led mouse to death. Conclusions: QX-314 is about 1.5 times as toxic as lidocaine. Although QX-314 may still be useful clinically as a long-lasting local anesthetic, its safety relative to other available local anesthetics must be considered.