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송윤석(Yoon Seok Song),이희욱(Hee Uk Lee),이자현(Ja Hyun Lee),최한석(Han Suk Choi),최웅수(Ung Su Choi),김승욱(Seung Wook Kim) 한국생물공학회 2012 KSBB Journal Vol.27 No.4
Synthetic plastics are important in many branches of industry. Although synthetic plastics provide numerous benefits, they also cause a significant environmental pollution problem because of their non-readily-biodegradability. Biodegradation may provide solution to the problem, but not enough is known about the biodegradation mechanisms of synthetic plastics. This review has been written to provide an overview of the current state of synthetic plastics (polyethylene, polyurethane, nylon, polyvinyl alcohol) biodegradation. Several biodegradation mechanisms of a few selected synthetic plastics are also presented.
양경호 ( Kyung Ho Yang ),송윤석 ( Yoon Suk Song ),정선호 ( Sun Ho Jung ),김태진 ( Tae Jin Kim ),윤신의 ( Shin Eui Yoon ),정용석 ( Yong Suk Jeong ),조길현 ( Kil Hyun Cho ),김용복 ( Young Bok Kim ) 대한내과학회 2012 대한내과학회지 Vol.83 No.4
Background/Aims: Adenosine deaminase (ADA) is a valuable biochemical marker for pericardial effusion (PE) and may be useful for diagnosing tuberculous pericarditis (TPE) in patients with PE. However, no definite cut-off or borderline values for ADA currently exist to distinguish TPE from other PE etiologies. In this study, we identified other useful parameters and characterized their relationship with ADA as a method for diagnosing TPE. Methods: From June 2004 to November 2011, 42 patients underwent pericardiocentesis due to moderate or severe PE, as confirmed by echocardiography or chest computed tomography (CT). Patients were subdivided into TPE and non-TPE (NTPE) groups. We analyzed ADA (p) (the pericardial ADA) and %Lymph (p)/Glucose (p) (the ratio between the percentage of lymphocytes and glucose levels in PE). Results: We defined the cut-off value of ADA (p) as 48.5 IU/L, and that of %Lymph (p)/Glucose (p) as 0.678%·dL/mg. In a multivariate logistic regression analysis, an odds ratio (OR) of 44.24 and a 95% confidence interval (CI) of 2.85-686.97 were observed in patients with an ADA (p) ≥ 48.5 IU/L (p = 0.023). An OR of 20.39 and a 95% CI of 1.06-392.93 were observed in patients with a %Lymph (p)/Glucose (p) ≥ 0.678%·dL/mg (p = 0.046). The combination of ADA (p) and %Lymph (p)/Glucose (p) had a higher positive predictive value (PPV, 80.0%) and specificity (Sp, 93.8%) than either ADA (p) (PPV, 47.4%; Sp, 68.8%) or %Lymph (p)/Glucose (p) (PPV, 69.2%; Sp, 87.5%) alone. Conclusions: %Lymph (p)/Glucose (p) is a useful parameter for distinguishing TPE from other pericardial diseases if combined with an ADA (p) ≥ 48.5 IU/L. (Korean J Med 2012;83:458-467)
황환성(Hwang, Hwan-Sung),송윤석(Song, Yun-Suk),윤명오(Yoon, Myong-O) 한국화재소방학회 2010 한국화재소방학회 학술대회 논문집 Vol.2010 No.추계
본 연구에서는 일반 건물에 적용되는 스프링클러시스템에 비해 보다 높은 신뢰도를 요구하는 클린룸에서의 스프링클러시스템에 대해 국내 L사, S사 클린룸 건설 현장의 방문 조사를 통하여 최적의 소화효과를 발휘하며 신뢰도 향상을 위한 설계 및 시공기술 실태조사를 분석하여 클린룸 화재로부터 안전성을 확보 하고자 한다.
투기 ·기구운동선수들의 스포츠 상해에 관한 조사 연구 : 慶熙大學運動選手를 中心으로
梁幸錫,宋胤碩,金泰運,朴忠緖,宋禹圭,孫斗玉,金斗煥,池男容,方永鎭,金裕賢,禹善弼,朴英震,金熙圭,安德均,金泰勳,全廷祐,金亨燉,崔名鎭 慶熙大學校 體育科學大學 1992 體育科學論叢 Vol.- No.5
The pmrpose of this study was to Collect the date concerning game athller. For the purpose, 144k university athlete were selectel and investigated on the injufunite symton and caused. 1. In was of skin injunier blister was necooded the higkert on the occarion of fregreucy. 2. In was of muscle iujunier bruire was the higleet. 3. In was of bore injunrer brurie was also the higaleet. 4. In was of joint spualrn was the higaleet occasions. 5. In was of nerve-sensatian injunrer werve pain was shoovn as the hihleat occatians. 6. In the study injunrer time most othleiar were injuited during tIne practie time. 7. In was of season mist athletes were injunrer during the wiater time. 8. many athletes (58.3%) wew injuried aftenovn practice. 9. The most important marson for the injurier were beliebed as lack of warimup and after the injuries waches were mostey the person for quint aid. they weed moassgae and physical therapy among the mazy proceduver.