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RISS 인기검색어
- 검색키워드
- 저자 : 공태영 ( Tae Young Kong ) (검색결과 3 건)
- 무료
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공태영,송민철,이건재,Kong Tae-Young,Song Min-Chul,Lee Kun-Jai Korean Radioactive Waste Society 2005 방사성폐기물학회지 Vol.3 No.2
The removal of radioactive corrosion products from the reactor coolant through a magnetic filter system is one of the many approaches being investigated as a means to reduce radiation sources and exposures to the operational and maintenance personnel in a nuclear power plant. Many research activities in water chemistry, therefore, have been performed to provide a filtration system with high reliability and feasibility and are still in process. In this study, it was devised the magnetic filter system with permanent and electric magnets to remove the corrosion products in the coolant stream taking an advantage of the magnetic properties of corrosion particles. Permanent magnets were used for separation of corrosion products and electric magnets were utilized for flocculation of colloidal particles to increase in their size. Experiments using only permanent magnets, in the previous study, displayed the satisfactory outcome of filtering corrosion products and indicated that the removal efficiency was more than 90 $\%$ for above 5 $\mu$m particles. Experiments using electric magnets also showed the good performance of flocculation without chemical agents and exhibited that most corrosion particles were flocculated into larger aggregates about 5 $\mu$m and over in diameter. It is, thus, expected that the magnetic filter system with the arrangement of permanent and electric magnets will be an effective way for the removal of radioactive corrosion products with considerably high removal efficiency.
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중증외상환자의 전산화단층촬영 및 중 재술에 의한방사선 유효선량 및 생애 귀속위험도
이원효 ( Won Hyo Lee ),공태영 ( Tae Young Kong ),김승환 ( Seung Hwan Kim ),유제성 ( Je Sung You ),박유석 ( Yoo Seok Park ),이재길 ( Jae Gil Lee ),정성필 ( Sung Phil Chung ) 대한외상학회 2013 大韓外傷學會誌 Vol.26 No.3
Purpose: This study was performed to calculate and analyze the effective radiation doses from computed tomography (CT) and radiologic intervention in patients in the emergency department (ED) with trauma critical pathway (CP) activation and further to estimate the lifetime attributable risks (LARs) for the incidence of and mortality from cancers induced by the radiation dose. Methods: Through a retrospective electrical chart review of 104 injured patients who trauma critical pathway were activated from November 2012 to March 2013, we calculated effective radiologic doses by taking the product of the dose-linear product of the scan and the conversion coefficient. After a determination of the image results, we divided the patients into two groups, negative or positive, and calculated the effective dose for each group. With these results, we estimated the LARs for the incidence of and the mortality from cancers by using the table in the Biologic Effects of Ionizing Radiation (BEIR)-VII report. Results: A total of 76 patients were enrolled. The mean age was 49.0±8.5 years. The mean injury severity score (ISS) was 12.7±8.4. The cumulative effective dose (CED) for individual patients varied from 2.8 mSv to 238.8 mSv, and the mean was 47.6±39.9 mSv. The CED in patients with an ISS≥16(63.2±26.6 mSv) was higher than that of patients whose ISS<16(33.5±23.1 mSv) (p<0.001). The CED in patients who were treated with surgery or intervention(69.0±45.2 mSv) was higher than that of patients who were treated conservatively(33.6 ±22.4 mSv) (p<0.001). The LARs for cancer incidence and mortality were 328.5±308.6 and 189.0±159.3 per 100, 000 people, respectively. Conclusion: The CED and the LAR for trauma CP-activated patients in the ED were significant, so efforts should be made to decrease the effective dose received by severely injured patients.
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소아의 에틸렌글리콜 및 메탄올 중독에서 Fomepizole의 효과
민하나 ( Ha Na Min ),황윤정 ( Yoon Jung Hwang ),고동률 ( Dong Ryul Ko ),주영선 ( Young Seon Joo ),공태영 ( Tae Young Kong ),좌민홍 ( Min Hong Choa ),박인철 ( In Cheol Park ),정성필 ( Sung Phil Chung ) 대한임상독성학회 2017 대한임상독성학회지 Vol.15 No.2
Purpose: The purpose of this study is to evaluate the effectiveness and adverse effect of fomepizole in the management of acute ethylene glycol or methanol poisoning in children. Methods: Databases such as PubMed, Embase, Cochrane library, and KoreaMed were searched using terms related to fomepizole, ethylene glycol, methanol and pediatric. All studies, regardless of study design, reporting effectiveness or safety endpoints in children were included. Reference citations from identified publications were reviewed. Only reports written in English or Korean languages were included. The reference search was performed by two authors. Results: Twenty-two relevant literatures were finally included. They were one narrative review, 4 retrospective case series, and 17 case reports (19 cases). Case reports were classified as 5 fomepizole only, 8 fomepizole with other therapies, and 6 no fomepizole. All patients from the literatures were fully recovered without long term sequelae. Adverse effects of fomepizole were reported including anaphylaxis, thrombophlebitis and nystagmus. Conclusion: There are insufficient literatures regarding fomepizole treatment in children with ethylene glycol or methanol poisoning. The benefits or harms are not clearly established based on the clinical evidences. More prospective comparative studies are required in the future.
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