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규불화염계 수화열 저감제가 첨가된 시멘트 모르타르의 수화열 변화 및 균열저감 특성
김진용,이효송,이영우,김도수,이병기,길배수,한승구,Kim, Jin-Yong,Lee, Hyo-Song,Rhee, Young-Woo,Kim, Do-Su,Lee, Byoung-Ky,Khil, Bae-Su,Han, Seung-Gu 한국세라믹학회 2005 한국세라믹학회지 Vol.42 No.3
본 연구에서는 규불화염, 가용성 실리카, 방향족계 고분자 축합물 그리고 잠열특성을 지닌 질산염계 무기화합물로 구성된 규불화염계 수화열 저감제를 시멘트 모르타르의 수화열 및 건조수축에 미치는 영향을 조사하였다. 규불화염계 수화열 저감제의 첨가로 시멘트 모르타르의 단열상승온도 및 건조수축에 의한 길이변화가 저감되는 특성을 나타내었다. 또한, 규불화염계 수화열 저감제가 첨가된 판상형 시멘트 모르타르 시험체의 균열 패턴을 측정한 결과, 수화열 저감과 건조수축에 의해 길이변화가 저감되는 복합적 효과를 통해 시멘트 모르타르의 균열저감성이 개선되는 것을 확인하였다. Fluosilicate salts based hydration heat reducer(SWP-HR), used in this study, is composed of fluosilicate salts, soluble silica, aromatic polymer condensate and nitrate salt based inorganic compound with latent heat property. Effects of SWP-HR addition on the hydration heat and anti-crack property of cement mortar were investigated. Adiabatic hydration temperature and drying shrinkage length of SWP-HR added cement mortar had a tendency to decrease compared to those of cement mortar without SWP-HR addition. Also, it was confirmed through crack pattern experiment of plate-form specimen for elucidating crack-reducing characteristic that anti-crack property of SWP-HR added cement mortar was improved.
삽입 도중 식도내에서 꼬부라진 내압검사용 도관으로 인하여 잘못 기록된 식도의 역행성 연동
김진용 ( Jin Yong Kim ),김철영 ( Chul Young Kim ),박선민 ( Sun Min Park ),박기호 ( Ki Ho Park ),박종재 ( Jong Jae Park ),김재선 ( Jae Seon Kim ),박영태 ( Young Tae Bak ) 대한소화기기능성질환·운동학회 2003 Journal of Neurogastroenterology and Motility (JNM Vol.9 No.1
Esophageal retrograde peristalsis is known to be absent normally. This rare finding, if it happens, usually suggests a possibility that proximal ends of the manometric catheter are connected to the pressure transducers in a reverse order. We report a case
포스터 발표 : 담도,췌장 ; 췌장암에서의 Clusterin 발현과 세포사멸에 관한 연구
김진용 ( Jin Yong Kim ),이홍식 ( Hong Sik Lee ),김영선 ( Young Sun Kim ),전훈재 ( Hoon Jae Jun ),엄순호 ( Soon Ho Um ),이상우 ( Sang Woo Lee ),최재현 ( Jae Hyun Choi ),김창덕 ( Chang Duck Kim ),류호상 ( Ho Sang Ryu ),현진해 ( Jin 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
〈목적〉 췌장암은 조기 진단이 어렵고 항암제치료 및 방사선 치료에 반응도가 매우 낮아 5년 생존율이 약1-3%에 불과할 정도를 치료가 어려운 종양이다. 췌장암이 일반적으로 항암 치료에 반응이 낮은 이유는 아직 규명되고 있지 않으나 췌장암세포가 항암제 및 방사선 치료에 의해 유발되는 세포사멸에 대한 저항력이 큰 것이 가능성으로 제시되고 있다. Clusterin은 세포사멸, 조직재생, 세포 부착등의 여러 가지 생물학적 기능을 갖고 있는 glycoprotei
담도암 진단을 위해 담도배액관에서 얻은 담즙세포진검사의 유용성에 관한 연구
김진용 ( Jin Yong Kim ),최준혁 ( Joon Hyuk Choi ),김진희 ( Jin Hee Kim ),김창래 ( Chang Lae Kim ),배승현 ( Seung Hyeon Bae ),최영권 ( Young Kwon Choi ),하연정 ( Yeon Jung Ha ),송민주 ( Min Joo Song ),최준호 ( Jun Ho Choi ),홍승모 대한소화기학회 2014 대한소화기학회지 Vol.63 No.2
Background/Aims: Biliary drainage is performed in many patients with cholangiocarcinoma (CCA) to relieve obstructive jaundice. For those who have undergone biliary drainage, bile cytology can be easily performed since the access is already achieved. This study aims to determine the clinical usefulness of bile cytology for the diagnosis of CCA and to evaluate factors affecting its diagnostic yield. Methods: A total of 766 consecutive patients with CCA underwent bile cytology via endoscopic nasobiliary drainage or percutaneous transhepatic biliary drainage from January 2000 to June 2012. Data were collected by retrospectively reviewing the medical records. We evaluated the diagnostic yield of bile cytology with/without other sampling methods including brush cytology and endobiliary forcep biopsy, and the optimal number of repeated bile sampling. Several factors affecting diagnostic yield were then analyzed. Results: The sensitivity of bile cytology, endobiliary forceps biopsy, and a combination of both sampling methods were 24.7% (189/766), 74.4% (259/348), and 77.9% (271/348), respectively. The cumulative positive rate of bile sampling increased from 40.7% (77/189) at first sampling to 93.1% (176/189) at third sampling. On multivariate analysis, factors associated with positive bile cytology were perihilar tumor location, intraductal growing tumor type, tumor extent ≥20 mm, poorly differentiated grade tumor, and three or more samplings. Conclusions: Although bile cytology itself has a low sensitivity in diagnosing CCA, it has an additive role when combined with endobiliary forceps biopsy. Due to the relative ease and low cost, bile cytology can be considered a reasonable complementary diagnostic tool for diagnosing CCA. (Korean J Gastroenterol 2014;63:107-113)
김진용(Jin-Yong Kim),서경환(Kyong-Hwan Seo),예상욱(Sang-Wook Yeh),김현경(Hyun-Kyung Kim),임소영(So-Young Yim),이현수(Hyun-Soo Lee),권민호(MinHo Kown),함유근(Yoo-Geun Ham) 한국기상학회 2017 대기 Vol.27 No.3
Characteristics of precipitation in South Korea during the 2016 Changma period (6/18~7/30) are analyzed in great details. El Niño-induced tropical Indian Ocean (IO) basin-wide warming lasts from spring to early summer and induces the western North Pacific subtropical high (WNPSH) circulation anomaly through an equatorial Kelvin wave during the 2016 Changma period. Along the northern edge of the WNPSH, strong precipitation occurred, in particular, over eastern China and southern Japan. During the Changma period, South Korea had the near-normal mean precipitation amount (~332 mm). However, about 226 mm of rain fell in South Korea during 1 July to 6 July, which amounts to 67% of total Changma precipitation in that year. Upper-level synoptic migratory lows and low-level moisture transport played an essential role, especially from 1 July to 3 July, in triggering an abrupt development of fronts over the Korean Peninsula and the eastern continent China. The front over the eastern China migrates progressively eastward, which results in heavy rainfall over the Korean peninsula from 1 to 3 July. In contrast, from 4 to 6 July, the typhoon (NEPARTAK) affected an abrupt northward advance of the North Pacific subtropical high (NPSH). The northward extension of the NPSH strengthens the Changma front and induces the southerly flows toward the Korean peninsula, giving rise to an increase in heavy rainfall. The NEPARTAK is generated due to interaction of the Madden-Julian Oscillation (MJO), equatorial Rossby wave and Kelvin waves.
고주파열치료 중 펜타닐에 의해 발생한 아나필락시스 1예
김진용 ( Jin Yong Kim ),엄상용 ( Sang Yong Om ),윤선영 ( Sun Young Yoon ),김태범 ( Tae Bum Kim ),조유숙 ( You Sook Cho ),문희범 ( Hee Bom Moon ),권혁수 ( Hyouk Soo Kwon ) 대한소아알레르기호흡기학회(구 대한소아알레르기 및 호흡기학회) 1991 소아알레르기 및 호흡기학회지 Vol.1 No.3
This case report describes a life-threatening anaphylaxis to fentanyl during radiofrequency ablation (RFA). A 50-year-old woman with hepatocellular carcinoma was admitted for RFA. She denied any history of adverse drug reactions or past adverse anesthetic reaction. Physical examination, vital signs, any laboratory findings were all within normal limits. Ten minutes after intravenous administration of 50 mcg of fentanyl before starting RFA, she developed generalized erythema and sudden onset of bronchospasm followed by respiratory arrest. Cardiopulmonary resuscitation (CPR) commenced with 100% oxygen and intravenous administration of epinephrine 1 mg. After 5 minutes of CPR, she had the return of spontaneous circulation. Chest X-ray revealed pulmonary edema which resolved over two days. She recovered completely and was discharged home. After six weeks, intradermal tests performed with fentanyl, remifentanyl, midazolam, and profopol. Among those, only fentanyl induced positive skin response. Fentanyl induced anaphylaxis was diagnosed for this case, and fentanyl was avoided in the subsequent general anesthesia for liver transplantation. This case suggested that fentanyl could induce anaphylaxis combined with uncommon comorbidities like pulmonary edema. (Allergy Asthma Respir Dis 2013;1:284-287)