http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kim, Hye-Kyeong,Yea, Sun-Kyung,Ro, Chul-Un,Lee, Chong-Bum,Jang, Meong-Do,Lee, Gang-Woong,Yoo, Eun-Jin,Han, Jin-Seok Korean Chemical Society 2002 Bulletin of the Korean Chemical Society Vol.23 No.2
As part of perfluorocarbon (PFC) tracer release experiment conducted at the western coastal area of Korea in February 2001, the background concentration level of perfluorocarbons (PFCs) in the atmosphere was determined by gas chromatography with electron capture detector. Prior to the PFC tracer release experiment in the field, air samples were collected using active samplers and the background concentrations of PFCs were determined. The concentrations of perfluoromethylcyclohexane ($C_7F_{14}$, PMCH) in the western coastal area of Korea were in the range of 5.8-8.7 fL/L. The mean concentration of the PMCH in the region exhibited no significant spatial and temporal variations. This concentration level is somewhat higher and has larger standard deviation than those of studies previously conducted in USA and Europe on the background concentration levels of PFCs. Because the background concentration of PMCH in Korea is still very low and consistent temporally and spatially, the PMCH tracer can be used suitably for the studies of long-range atmospheric transport.
Diagnostic Modality in Spine Disease: A Review
Kim Gang-Un,장민철,Kim Tae Uk,Lee Gun Woo 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.6
Spine diseases are common and exhibit several causes, including degeneration, trauma, congenital issues, and other specific factors. Most people experience a variety of symptoms of spine diseases during their lifetime that are occasionally managed with conservative or surgical treatments. Accurate diagnosis of the spine pathology is essential for the appropriate management of spine disease, and various imaging modalities can be used for the diagnosis, including radiography, computed tomography (CT), magnetic resonance imaging (MRI), and other studies such as EOS, bone scan, single photon emission CT/CT, and electrophysiologic test. Patient (or case)-specific selection of the diagnostic modality is crucial; thus, we should be aware of basic information and approaches of the diagnostic modalities. In this review, we discuss in detail, about diagnostic modalities (radiography, CT, MRI, electrophysiologic study, and others) that are widely used for spine disease.
Gang-Un Kim,Seong-Hwan Kim,Jae-Sung Lee,Jae Yoon Kim 대한견주관절의학회 2014 대한견주관절학회지 Vol.17 No.1
Clavicular hook plate is known to be an effective treatment on acromioclavicular (AC) joint injury, but there have been some reports of complications, like osteolysis and bony erosion of the undersurface of acromion. Fifty-five year old male underwent open reduction and hook plate insertion on Rockwood type 5 acromioclavicular joint dislocation. He complained of protrusion of posterior acromion at 1 month after the surgery, and acromial fracture was noted in simple radiographs. The hook plate was removed and any other treatment for osteosynthesis was refused by the patient. At the 18 months after the surgery, the patient had no pain and a full range of motion with no tenderness around the shoulder joint. After two years, plain radiographs revealed complete bony union of the acromion fracture.
Kim, Un Jeong,Lee, IL Ha,Bae, Jung Jun,Lee, Sangjin,Han, Gang Hee,Chae, Seung Jin,Gü,neş,, Fethullah,Choi, Jun Hee,Baik, Chan Wook,Kim, Sun Il,Kim, Jong Min,Lee, Young Hee WILEY‐VCH Verlag 2011 ADVANCED MATERIALS Vol.23 No.33
<P>Direct integration of vertically aligned carbon nanotube (VACNTs) patterns on a graphene layer combined with a liquid crystal cell can be utilized as an optical array. The hybrid structures have high transparency and conductivity and, as reported by Sun IL Kim, Jong Min Kim, Young Hee Lee, and co‐workers, clear diffraction patterns are obtained by modulating an external electric field. </P>
Diagnostic Technology for Spine Pathology
Kim Gang-Un,Park Wook Tae,Chang Min Cheol,Lee Gun Woo 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.5
Diagnostic techniques for spinal pathologies have been developed in accordance with advances in technology. Accurate diagnosis of spinal pathology is essential for appropriate management of spinal diseases. Since the development of X-rays in 1895 and computed tomography (CT) in 1967, several diagnostic imaging modalities have been utilized for detecting spinal pathologies, including radiography, CT, magnetic resonance imaging, and radionuclide imaging. In addition to diagnostic imaging technologies, electrodiagnostic tests, including electromyography and nerve conduction studies, play a significant role as diagnostic tools, as spinal diseases are mostly profoundly associated with pathologies of the neural structures, such as the spinal cord and nerve root, and extent of injury at the structure cannot be adequately detected by conventional imaging techniques. In patient-specific treatment strategies, usage of diagnostic modalities is of great importance; thus, we should be aware of the basic details and approaches of the different diagnostic modalities. In this review, the authors discuss the details of the technologies that aid in the diagnosis of spinal pathologies.
불산 가스 누출 시 피해 우려지역의 환경정의 특성 분석
Yong Un Ban,Sang Sup Lee,Gyeong Ho Jin,Jong In Baek,Na Eun Hong,Sang Wook Gang,Tae Ho Kim 위기관리 이론과 실천 2017 Crisisonomy Vol.13 No.2
본 연구의 목적은 불산 가스가 누출되는 사고가 발생했을 경우 피해가 우려되는 지역의 환경정의 특성을 분석하는 것이다. 분석방법으로는 대기질에 미치는 영향범위 및 정도를 예측하기 위하여 대기확산모델인 AERMOD와 사회ㆍ경제적 특성을 살펴보기 위하여 ArcGIS를 사용하였다. 피해 우려지역과 피해 비 우려지역의 사회ㆍ경제적 특성을 비교한 결과는 다음과 같다. 1) 피해 우려지역의 경우, 평균 공시지가 562,127원, 평균 14세 이하 인구 비율 19.93%, 평균 65세 이상 인구 비율 6.3%이다. 반면, 피해 비 우려지역의 경우 평균 공시지가 184,293원, 평균 14세 이하 인구 비율 17.85%, 평균 65세 이상 인구 비율 8.63%이다. 따라서 피해 우려지역의 평균 공시지가가 비 피해 우려지역보다 약 3배 높았고, 14세 이하 인구 비율은 약 2% 높게 나왔고, 65세 이상 인구 비율은 약 2% 낮게 나왔다. 2) 피해우려지역 내에서 불산 가스의 농도가 0.1 ppm에서 0 ppm으로 갈수록 평균 공시지가는 낮아졌지만, 14세 이하 인구 비율, 65세 이상 인구비율, 평균 어린이 이용시설 개수는 증가하였다. This study intends to analyze environmental justice characteristics of the areas expected to be exposed (AEE) to hazardous Hydrofluoric (HF) acid gas in case of leakage accident. The findings from this study include: (1) in comparison to the areas not expected to be exposed (ANEE), the average value of public lands was three times higher, the proportion of children aged 14 years old or less appeared 2 percent higher, and the proportion of elderly aged 65 years old or more appeared 2 percent lower in the AEE, (2) for an increase of hazardous Hydrofluoric (HF) acid gas concentration from 0.1ppm to 0ppm in the AEE to the damage, the average value of public lands decreased while the proportion of children aged 14 years old or less, the proportion of elderly aged 65 years old or more and the average number of children s facilities increased.