http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
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.
단량체 조성 변화에 의한 수성 아크릴계 공중합체 제조 및 점착특성
김하수 ( Ha Su Kim ),임권택 ( Kwon Taek Lim ) 한국화상학회 2021 한국화상학회지 Vol.27 No.1
In order to manufacture an eco-friendly aqueous adhesive with improved peel strength and water resistance, we adjusted the ratio of acrylic monomers methyl methacrylate (MMA), butyl acrylate (BA), and methacrylic acid (MAA) so that Tg is close to room temperature, and used ammonium persulfate as an initiator. Then, an acrylic copolymer was emulsion-polymerized to prepare and evaluate an acrylic emulsion adhesive. As a result of synthesizing MMA:BA:MAA in a mole ratio of 55.2:43.5:1.3, it was confirmed that an acrylic copolymer emulsion was synthesized by GPC and particle size analysis, and volatile organic substances(VOCs) were not detected. Theoretical Tg is 18.1°C, close to room temperature, and as a result of evaluating the initial, final, and post-immersion adhesion by applying polyurethane foam, polyethylene foam, and polypropylene as adherends, it was confirmed that the peel strength was improved compared to existing products.
김형식(Hyung Sik Kim),곽승준(Seung Jun Kwack),천선아(Sun Ah Chun),한하수(Ha Su Han),박현선(Hyun Sun Park),안미영(Mi Young Ahn),배기환(Ki Hwan Bae),이병무(Byung Mu Lee) 한국응용약물학회 1998 Biomolecules & Therapeutics(구 응용약물학회지) Vol.6 No.3
The subacute oral toxicity study of DWP-311 was carried out in Sprague-Dawley rats of both sexes. We daily examined clinical signs, body weights, hematological and biochemical parameters, and histopathological examinations for 30 days after administration of DWP-311 with different dose levels (0, 0.04, 0.2, and 1.0 g/kg). There were no clinical signs and pathological changes compared with control group except slight decreases in spontaneous motor activities and locomotions at high dose group of DWP-311. Body weights were not significantly changed in animals treated with DWP-311. In histopathological examinations, there were 2 cases of pneumonia in control group for one male and one female, but it was not directly related to DWP-311. These results indicate that subacute oral toxicities of DWP-311 were low and the no-observed adverse effect level (NOAEL) was considered to be 1.0 g/kg in rats.
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.
김진,하수철,Kim, Jin,Ha, Su-Cheol 대전대학교 군사연구원 2006 군사학연구 Vol.4 No.-
In this paper, we introduce the operational management architecture on the military satellite communication of United States and analyze the current problems of Korea military. We discuss on the development scheme and the idea of construction to manage and to operate the next military satellite communication stabilitly.