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오성환,김준환,김상열,황운하,김상민,최경진,오병근,강항원 한국작물학회 2008 한국작물학회 학술발표대회 논문집 Vol.2008 No.10
본 시험은 벼 등숙기간의 고온에 따른 쌀의 품질을 알아보고자 주남벼를 이용하여 등숙기 고온처리를 출수기~출수후10일, 출수기~출수후30일, 출수후10일~출수후20일, 출수후20일~출수후30일에 각각 온실에서 처리하였다.등숙초기의 고온처리에서는 천립중,등숙율, 이삭무게에 대해서 대조구와 유의한 차이를 보이지 않았으나 현미립의 두께와 품위에서는 유의성이 인정되었다.등숙중기의 고온은 천립중,등숙율, 이삭무게, 현미립의 두께,품위 모든 부분에서 유의성이 인정되었고,등숙후기의 고온은 현미품위에서만 차이가 있었고, 다른 부분에서는 유의성이 인정되지 않았다. 결론적으로 등숙 전기간의 고온에서 쌀 품질에 가장 영향을 미쳤고, 세부적으로는 등숙초기나 후기보다는 등숙중기의 고온에서 쌀 품위에 가장 영향을 많이 미쳤다.
오성환,송화식,김갑득,홍성엽 대한외상학회 2000 大韓外傷學會誌 Vol.13 No.2
Background: The presence of traumatic subarachnoid hemorrhage (SAH) on computerized tomography (CT) scans obtained at admission for diffuse axonal injury (DAI) has been shown to be associated with a worse outcome than the injury alone. Methods: A series of 113 patients with DAI (including 61 patients with associated SAH) diagnosed with CT were studied retrospectively to assess the impact of traumatic SAH in CT on the outcome and to determine the mechanism for the worse outcome in the presence of SAH. The CT scans were organized into types 1 to 3 according to the thickness of the SAH and its location with type 1 indicating focal hemorrhage in one or two cisterns, type 2 a diffuse thin (≤5mm) hemorrhage in one cistern plus another side, and type 3 a diffuse thick ($gt;5mm) hemorrhage in two or more cisterns. Admission postresuscitation. The Glasgow Coma Scale (GCS), hypotension, hypoxia, generalized brain swelling (GBS), basal cistern effacement, and the discharge Glasgow Outcome Scale (GOS) were compared among the three CT types of SAH. Results: The presence of SAH in CT of DAI patients was closely associated with old age, low admission GCS score, low motor response score, hypotension, GBS, and basal cistern effacement (p$lt;0.05), but not associated with injury severity scale (ISS) score, skull fracture, hypoxia, or the occurrence of delayed intracranial hematoma (p$gt;0.05). CT-visible SAH represented one of the most important and independent prognostic factors of the outcome in DAI. There was a trend for worsening outcomes to coincide with higher CT types, especially for scores of 5~8 on the admission GCS. Further analysis comparing CT types and GBS and basal cistern effacement was highly significant. Conclusion: The mechanism by which SAH results in worse outcomes is GBS and basal cistern effacement, which reflect a severe degree of brain injury.
전시컨벤션센터의 기능이 효과성에 미치는 영향에 관한 연구
오성환,한진오,정득,이종석 관광경영학회 2020 관광경영연구 Vol.99 No.-
The purpose of this study was to empirically verify the effect of the function of the exhibition and convention center on the effectiveness. The main key of this study is that the exhibition and convention center positively affects various effects through the role of public function to local communities and local residents as a public facility. For this purpose, a survey was conducted on 1,040 people who had experience in participating in the event held at the exhibition and convention center. As a result of this study, conventional, tourism economical, and social functions, which are the core functions of the exhibition and convention center, showed a positive effect on effectiveness. And when analyzing the effects of the exhibition and convention center's public function with the core functions, the residents support variable had a significant effect on economic effectiveness and tourism industrial effectiveness, while cultural life variable had a positive effect on sociocultural effectiveness. This means that the importance of public function of the exhibition and convention center is a major factor that positively affects effectiveness, and the exhibition and convention center should be a platform for the local community that provides education, welfare, start-up, and cultural sports as public facility.
오성환,김갑득,송화식 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4
Background: Because of increased number of traffic and industrial accidents, the incidence of blunt abdominal injury patients has increased. Recently, abdominal computed tomographic(CT) scans have been widely used in emergency departments for initial diagnostic workups on patients with blunt hepatic injuries. The purpose of this study is to analyze the correlation between abdominal CT scans and the clinical outcomes and to recommend a direction for the management of blunt hepatic injury. Methods: A retrospective review was conducted of 66 patients with blunt hepatic injuries who underwent abdominal CT scans and were treated at the Department of Emergency Medicine of Dankook University Hospital during the period from January 1998 to December 2000. Statistical analysis was performed using the chi-square(χ2) test, Spearman correlation test, Cochran-Mantel-Haenszel chi-square(χ2) test and Fisher's exact test; a value of p<0.05 was considered significant. Results: Based on CT scans, we graded the liver injuries by using the system of the Organ Injury Scaling Committee of American Association for the Surgery of Trauma, Grade II injuries(28 cases, 42.4%) were the most common in this study. Most patients with injuries above grade III were managed surgically, and CT grades correlated well with operative treatment and initial fluid resuscitation. Initial shock status correlated with the CT grade, but did not correlate with operative management. For non-operative management, as the CT grade increased, the amount of blood transfusion also increased. Increasing liver enzyme did not correlate with CT grade. The mortality rate was 9.1%, and the most common cause of death were hypovolemic shock due to massive bleeding. Conclusion: Non-operative management is the first choice of treatment in low grade blunt hepatic injury(CT grade I, II, and III). For cases above grade IV hepatic injury, the key points of operative management were the hepatic injury itself and it's complication.