http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
급성호흡부전 호전 후 기관지폐포세척에서 지방과립구가 확인된 지방색전증후군
박송리 ( Song Ree Park ),김현수 ( Hyun Soo Kim ),이재형 ( Jae Hyung Lee ),김상헌 ( Sang Heon Kim ),김태형 ( Tae Hyung Kim ),윤호주 ( Ho Joo Yoon ),박성수 ( Sung Soo Park ),신동호 ( Dong Ho Shin ),박찬금 ( Chan Kum Park ) 대한결핵 및 호흡기학회 2006 Tuberculosis and Respiratory Diseases Vol.61 No.6
Fat embolism syndrome is a rare clinical diagnosis of dyspnea with acute respiratory failure and neurological signs caused by a traumatic long bone fracture. We report a case of fat embolism in a 22 year-old man after a traffic accident. Dyspnea and stuporous mental changes developed on the 1st day after the external fixation operation of a left metaphyseal femur fracture. On the following day, he was transferred from a hospital to this one because of acute respiratory failure. After recovery, macrophages with fat droplets were found in the bronchoalveolar lavage fluid 1. It is important to diagnose a fat embolism as the correct cause of acute respiratory failure through the BAL in the acute state of fat embolism syndrome It is believed that clinically apparent or sometimes hidden fat embolism syndrome can be diagnosed from the BAL during the recovery state. (Tuberc Respir Dis 2006; 61: 562-566)
3% Si 강의 추출복제시료제조에 미치는 전해액의 영향
박신화,김재관,김재남,안병량,이도형,Park, Shin-Hwa,Kim, Jae-Kwan,Kim, Jae-Nam,An, Byung-Ryang,Lee, Do-Hyung 한국현미경학회 1993 Applied microscopy Vol.23 No.2
The effect of electrolyte on the extraction replicas of the precipiates in 3% Si steel was investigated. Three Kinds of electrolyte, 2% Nital solution (2% nitric acid+methanol; acid solution),, Sodium Citrate solution (5% sodiumcitrate+1% KBr+0.5KI+$H_{2}O$; aqueous neutral solution) and 10% AA solution (10% acetylacetone+ 1% tetramethylammoniumchloride+methanol; non-aqueous neutral solution), were compared. The preciptiates in 3% Si steel were dissolved in 2% Nital, but they were not dissolved in the Sodium Citrate and 10% AA solution. In Sodium Citrate solution, however, large second artifacts were introduced during sample preparation. Therefore 10% AA solution was found to be most useful for the preparation of extraction replica. The electrolysis condition of a matrix and precipitates were also checked by the measurement of potential-current curve in 10% AA solution. The matrix was electrolyzed at -400mV with respect to SCE(Saturated Calomel Electrode). In contrats precipitates were electrolyzed above 300mV. Precipitates were respected to be stable in 10% AA solution in the range of $-380mV{\sim}-300mV$ usually used to prepare extraction replicas.
박재학(Jae-Hak Park),Vu Ngo,박성백(Sung-Baek Park),신승훈(Seung-Hun Shin),임유진(Yujin Lim) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.10
철도 인프라 중 궤도는 열차의 주행안전성에 직접적으로 영향을 끼치는 구조물로 열차의 고속화, 중량화 등과 같은 현 추세의 대안으로 콘크리트궤도를 선택하여 적용하고 있다. 그러나, 기존 자갈궤도와 달리 콘크리트궤도 하부에 결함이 발생할 경우 궤도의 사용성 저하 및 이에 대한 유지보수 방안이 제한적이기 때문에 현재와 같은 사후보수의 개념에서 탈피하여 예방보수의 개념으로 궤도의 상태를 지속적으로 평가하고 관리할 필요가 있다. 따라서, 본 논문에서는 하부노반의 강성 및 결함을 측정할 수 있는 WAK 테스트 기법을 적용한 충격재하식 콘크리트궤도 상태평가 방법을 제시하고자 한다. 이를 위해, 콘크리트궤도 하부의 들뜸등과 같은 노반결함을 형상화 한 모형을 제작하고, WAK 테스트에 의한 궤도 노반의 결함평가를 위한 궤도지지강성(ks) 추정가능성을 탐색하였다. Concrete slab track is introduced and adapted recently worldwide for providing stability to railway. However, even though the concrete slab track provides robustness and durability to railway, it is required to monitor the concrete slab track regularly for checking and assessing the condition of the track. In this study, a WAK (Wave Activated Stiffness) test method is proposed that can be used to investigate the condition of concrete slab track with a gap directly under the track by obtaining static track modulus from the test. The WAK test is performed by impacting the concrete slab surface using a sledgehammer. A model test was performed so that a possibility of using the WAK test method as a monitoring technique to check concrete track condition could be confirmed in this study.