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김하수(Kim, Ha-Soo),손현정(Son, Hyunjung),이재윤(Lee, Jae Yun),강범일(Kang, Beomil) 담화·인지언어학회 2013 담화와 인지 Vol.20 No.1
This paper aims to conduct a linguistic analysis of discourses by three Korean politicians who ran for the Korean presidency in 2012. Data on their speech and writing are collected for this purpose from TV talk shows on which they appeared and the books they wrote. Various methods are used to analyse the data, such as network analysis, word frequency analysis and the lexical repetition measuring method. Firstly, we extract frequent words from each politician’s subcorpus and identify statistically distinctive words that each politician used more frequently than other politicians. Secondly, we construct networks of co-occurring words via which the differences in network structure are analysed. Finally, a new method for measuring lexical repetition is used to discover pragmatic differences in their discourses. By applying these methods to the discourse data, we can more effectively propose linguistic characteristics of the politicians’ discourses.
랫드에서 인체 재조합 적혈구 조혈인자, rHuEPO의 13주 정맥투여 아만성독성에 관한 연구
김형식,곽승준,천선아,박현선,한하수,임소영,안미영,김원배,안병옥,홍성렬,이병무,Kim, Hyung-Sik,Kwack, Seung-Jun,Chun, Sun-Ah,Park, Hyun-Sun,Han, 한하수,Lim, So-Young,Ahn, Mi-Young,Kim, Won-Bae,Ahn, Byoung-Ok,Hong, Sung-Youl,Lee, Byung-Mu 한국독성학회 1998 Toxicological Research Vol.14 No.3
A recombinant human erythropoietin (rHuEPO) was administered intravenously at dosage levels of 0, 100, 500, and 2500IU/kg/day for a period of 3 weeks. There were no observed clinical signs and deaths related to treatment in all groups tested. Decreases in body weight gain and food consumption were observed only in males of 2,5000IU/kg group after 2 weeks. In hematological parameters, erythrocyte content, hematocrit values and hemoglobin concentration were dose- dependently increased in rHuEPO treated groups. The ratio between kidney weight and whole body weight was significantly increased in females of 500 and 2,500IU/kg groups. The spleen weight was also increased in both sexes of 500 and 2,500IU/kg groups. However, the absolute weight change of other organs was not observed. In histopathological examinations, the renal tubular basophilia was observed only in males and females of 2,500IU/kg groups. From these results, it is concluded that the no-observed adverse effect level (NOAEL) of rHuEPO is 100 IU/kg in rats in the present study.
김하수(Kim, Ha-soo) 한국사회언어학회 2010 사회언어학 Vol.18 No.2
Ever since the sociology of language has made its start, it has been continuously confronting with social issues in the field. Social issues such as fledgling nations, racial discrimination, gender equality, minority groups, language death and intercultural communication had its significance more intimate as the matter of behavior and value of scholars who sees the scenes of life than simple lecture or research field. Also the sociology of language had been in charge of being ahead in the historical changing process such as liberation from suppresion, uniformity to diversification, destratification, decolonization. Although there has not been many cases where the sociology of language took the lead or be active in the aforementioned incidents, but at least, their approach to the historical change with knowledge and sensibility should be highly evaluated. In the future, issues such as climate, the rights of minority, multicultural social condition, aging and market integration will be the significant topics of life, and in these issues, the sociology of language tasks will be presented. Though a critical mind related to the space one is living in, one’s identity and interests will inevitably take the lead in the flow of the sociology of language, above all, it seems that the issue of political, historical rights of language and the creation of new jobs related to language will play a significant role.
김하수 ( Ha Su Kim ),조재구 ( Chae Ku Jo ),김묘징 ( Myo Jing Kim ) 대한주산의학회 2015 Perinatology Vol.26 No.1
Purpose: Transient tachypnea of the newborn (TTN) is a respiratory disorder resulting from delayed clearance of fetal lung fluid. Initiation of empiric antibiotic therapy for possible early-onset sepsis is usually recommended until negative blood cultures for 48 hours. The aim of this study was to compare outcomes of infants with TTN managed with a risk-factor-based restrictive antibiotic use policy. Methods: A single institution retrospective study was conducted on full-term infants admitted with TTN from January, 2008 to December, 2013. Infants were stratified into two groups based on whether they received or did not receive antibiotics. The decision to administer antibiotics depended upon the covering physician at admission. The clinical and laboratory outcomes were evaluated between two groups. Result: A total of 98 full-term infants diagnosed with TTN were admitted to the neonatal intensive care unit; of them 39 (39.8%) received and 59 (60.2%) did not receive antibiotics. Physicians had tendency to start antibiotics in patient with mild-to-moderate chest retraction, need oxygen therapy, high white blood cell count, segmented neutrophil and positive C-reactive protein. All of them had negative blood cultures, no readmission, and no late-onset sepsis. The duration of hospital stay was longer in patients received antibiotics group (10.7±3.0 days vs. 9.0±4.4 days, P=0.04). Conclusion: This study suggests that empiric antibiotic therapy may not be recommended for full-term infants with classic TTN without perinatal risk factors. With the application of strict criteria for classic TTN and the close observation, the empiric use of antibiotics may be avoidable.
김하수 ( Ha Su Kim ),김현아 ( Hyun A Kim ),김성흔 ( Sung Heun Kim ),변신연 ( Shin Yun Byun ),김묘징 ( Myo Jing Kim ) 대한주산의학회 2014 Perinatology Vol.25 No.3
Intussusception in premature infants is very rare. Here, we report a case of multiple intussusceptions in an extremely preterm infant, born at 23+1 week’s gestation, who underwent an explolaparotomy, for bowel perforation and misdiagnosed necrotizing enterocolitis, at 20 days of life. To our knowledge, this is the most premature case that has survived with multiple intussusceptions.