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휨부재의 인장철근비 변화에 따른 섬유보강에폭시 판넬의 보강효과평가
강성후,박선준,송영국 東新大學校 工業技術硏究所 2003 工業技術硏究 Vol.9 No.-
FREP is a stiffener that is increasingly used in construction fields today. Concerning it, however, the mechanical characteristics of structures reinforced with it, reinforcement design methods, etc. have not been systematically established yet. The present study evaluated the mechanical characteristics of FREP such as fracture behavior, bending stress enhancement, etc. through a bending test using as variables steel ratio of RC beams reinforced with FREP and the thickness of FREP reinforcement. The RC Beams used in the test showed two types of fraction, which were bending tension fraction and edge stripping fracture, and when the ratio of steel ratio (ρ) to FREP ratio (ρ_(F)) is larger than 1.8, it showed edge stripping fracture. Under same reinforcement condition, if steel ratio is relatively low, reinforcement effect appeared to be high. In addition, if reinforcement thickness increases, the flexural rigidity rises and, as a result, the maximum load also increases, but an excessive increase of reinforcement thickness makes stress concentrate on the reinforced end and cause unexpected brittle fracture (edge stripping fracture) even at a light load.
조영환,우창호,곽행구,박송희 木浦大學校 沿岸環境硏究所 1996 沿岸環境硏究 Vol.13 No.1
This study aims is suggested a development methods of reasonable for security to identity of urban park which supplement to demerits of urban natural park and arboretum. Park orinted arboretum had characteristic not only enjoyment but learned to use all facility of park and exhibition at the same time to function of scientific research, education and park. Case study is conducted on the YU DAL SAN in Mok po city.
최준길,조후묵,송병용 尙志大學校 1995 論文集 Vol.16 No.-
In order to explore the detailed distribution of land snails inhabitated in Heongseong, this study was conducted for 2 years (from March 20, 1992 to March 20, 1994) for four optional areas. Total appearances of species were 3 order, 1 Families, 17 Genera, 22 species and total individuals were 3,009. the dominant species were Chamalycaeus cyclophoroides and Diplommatina (Sinica) paxillus. The stati of land snails on size were that there were, in Minute species, Carychium pessinum with 1.5mm shell height and 0.8mm shell diameter, in macro species Acusta despecta sieboldiana, Koreanohadra Kurodana, Aegista (Plectotropis) diversa with 11-21mm sell height, 20-28mm shell diameter. The height and diameter variation of Aegista (Plectoropis) diversa were bigger than anyone else. Also, Numbers of spiral were four to 10, and body colors were mainly white or brown. In terms of inhabitation area, data were gathered more than 14 areas. Among them, species which were inhabitated in the fallen leaves were shown 31.8%, 9-15.9% in stone wall, garden and farming field. Especially Cionella lubrica being known endemic species of Ulung Island was confirmed in Hoengseong.
Efficacy and Tolerability of Generic Mirtazapine (Mirtax) for Major Depressive Disorder:
Hoo Rim Song,Won Myong Bahk,Young Sup Woo,Jong Hyun Jeong,Young Joon Kwon,Jeong Seok Seo,Won Kim,Moon Doo Kim,Young Chul Shin,Sang Yeol Lee,Kyung Joon Min 대한정신약물학회 2015 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.13 No.2
Objective: Mirtax is a generic mirtazapine widely used since 2003. We conducted an open-label, uncontrolled 6-week study to evaluate the efficacy and safety of Mirtax for major depressive disorder (MDD). Methods: Ninety three MDD patients with the diagnosis of MDD and 17-item Hamilton Depression Rating Scale (HDRS) score ≥14 were recruited. The HDRS, Montgomery-Åsberg Depression Rating Scale (MADRS), and the Clinical Global Impressions-Severity Scale (CGI-S) were administered at baseline, 1, 2, 4 and 6 weeks. Response (≥50% decrease in the HDRS or MADRS score), remission (absolute HDRS score ≤7 or MADRS score ≤10) and CGI-I score ≤2 were also calculated. Adverse event (AE) frequency and severity, weight, blood pressure, and pulse rate were checked to assess safety. Results: The starting dosage was 11.5±6.4 mg/day, and the maintenance dosage was 23.1±9.4 mg/day. During 6 weeks, HDRS, MADRS and CGI-S scores decreased from 25.1±5.6 to 11.9±8.6 (mean change –13.1±8.3, p<0.001), from 30.2±6.3 to 13.73±10.40 (mean change –16.5±9.8, p<0.001), and from 5.0±0.8 to 2.5±1.3 (mean change –2.5±1.3, p<0.001), respectively. The percentages of responders, remitters by HDRS and patients with a CGI-I score ≤2 were 64.6%, 35.4% and 52.7%, respectively. Significant decreases in HDRS, MADRS and CGI-S scores were confirmed at week 1. The total rate of AEs was 32.3%; the most frequently reported AEs were sedation (4.3%) and constipation (4.3%). Weight was increased from 58.8±10.6 to 60.3±9.3 kg (mean change 0.7±1.7 kg, p=0.004). Conclusion: This study, as the first clinical trial of generic mirtazapine, demonstrated the efficacy and tolerability of Mirtax for MDD using a single treatment design.
Song, Hoo Rim,Jung, Young‐,Eun,Wang, Hee‐,Ryung,Woo, Young Sup,Jun, Tae‐,Youn,Bahk, Won‐,Myong Blackwell Publishing Asia 2012 Psychiatry and clinical neurosciences Vol.66 No.5
<P>The objective of the present study was to evaluate changes in platelet counts on three different kinds of antidepressant. All subjects (<I>n</I> = 131) in their drug‐naïve state had been diagnosed with depression. Escitalopram (<I>n</I> = 42), venlafaxine (<I>n</I> = 50) and bupropion (<I>n</I> = 39) were prescribed, and platelet count was measured before and after 1 month of treatment and compared. Decrease in platelet count on escitalopram was significant, while the others were not. These findings suggest that escitalopram may be associated with decreased platelet count, and bupropion is less likely to exert an influence on platelet count.</P>
Lethality-Associated Factors in Deliberate Self-Poisoning
In Young Choi,Sun-Young Kim,Jhin Goo Chang,Hoo Rim Song,Woo Jung Kim,Su Young Lee,Hyun-Soo Kim,Minha Hong 대한소아청소년정신의학회 2021 소아청소년정신의학 Vol.32 No.1
Objectives: Deliberate self-poisoning (DSP) is the most common suicide method and can be life-threatening. The purpose of this study was to investigate the factors related to the lethality of DSP and the characteristics of the adolescent group. Methods: A retrospective study was conducted on patients who had visited an academic hospital’s regional emergency medical center between 2015 and 2018. The data reviewed through their medical records included sociodemographic factors, clinical variables, and psychiatric treatment. Four groups (Q1–Q4) were categorized by descriptive analysis using the risk-rescue rating scale. Results: A total of 491 patients were enrolled in this study. This study showed that high lethality had statistically significant associations with male sex, older age, admitting suicidal intentions, and the use of herbicides for suicide. Logistic regression analyses showed a significant association between high-lethality and female [odds ratio (OR)=0.50, 95% confidence interval (CI)=0.30–0.81, p=0.01], non-psychiatric drugs (over-the-counter drug: OR=2.49, 95% CI=1.08–5.74, p=0.03; herbicide: OR=8.65, 95% CI=3.91–19.13, p<0.01), and denial of suicide intent (OR=0.28, 95% CI=0.15–0.55, p<0.01). Conclusion: This study showed the clinical factors associated with the high lethality of DSP and suggested that efforts were needed to care for and thoroughly examine patients with DSP.