http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Chang Jeonga (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
-
An Junho,Nam Yoojin,Cho Hyoun,Chang Jeonga,Kim Duk-Kyung,Lee Kyung Soo 대한의학회 2022 Journal of Korean medical science Vol.37 No.10
In acute pulmonary embolism (PE), circulatory failure and systemic hypotension are important clinically for predicting poor prognosis. While pulmonary artery (PA) clot loads can be an indicator of the severity of current episode of PE or treatment effectiveness, they may not be used directly as an indicator of right ventricular (RV) failure or patient death. In other words, pulmonary vascular resistance or patient prognosis may not be determined only with mechanical obstruction of PAs and their branches by intravascular clot loads on computed tomography pulmonary angiography (CTPA), but determined also with vasoactive amines, reflex PA vasoconstriction, and systemic arterial hypoxemia occurring during acute PE. Large RV diameter with RV/left ventricle (LV) ratio > 1.0 and/or the presence of occlusive clot and pulmonary infarction on initial CTPA, and clinically determined high baseline PA pressure and RV dysfunction are independent predictors of oncoming chronic thromboembolic pulmonary hypertension (CTEPH). In this pictorial review, authors aimed to demonstrate clinical and serial CTPA features in patients with acute massive and submassive PE and to disclose acute CTPA and clinical features that are related to the prediction of oncoming CTEPH.
-
기기적 평가와 패널 기반 평가를 이용한 된장 용액의 제시 온도에 따른 맛과 향미 특성 분석 및 비교
허정애,곽한섭,김미정,김민정,김윤숙,장민선,김상숙,Heo, JeongAe,Kwak, Han Sub,Kim, Mi Jeong,Kim, Min Jung,Kim, Yoonsook,Chang, Min-Sun,Kim, Sang Sook 한국식품영양학회 2018 韓國食品營養學會誌 Vol.31 No.2
The objective of this study was to investigate taste profiles and the correlation of Doenjang soup solution prepared with three different temperatures (5, 25, $45^{\circ}C$) and using an electronic nose (e-nose), electronic tongue (e-tongue), and descriptive analyses by trained panelists. A total of 17sensory attributes were generated from the descriptive analyses for the Doenjang soup solution. There were significant difference among the samples in the cooked soybean flavor, the cooked soybean odor, the soy sauce odor, the sweet odor, the sweet taste, and the sweet aftertaste attributes. The intensities of these sensory attributes tended to increase as the serving temperature of the Doenjang soup solution increased. There were seven volatile compounds detected by the electronic nose: ethanol, propanal, 2-methylpropanal, ethyl acetate, 3-methylbutanal, and beta-pinene. The intensities of the volatile compounds increased as the temperature of the Doenjang soup solution increased. On the other hand, the intensities of the basic tastes by the e-tongue decreased as the temperature of the Doenjang soup solution increased. In conclusion, the e-nose, e-tongue, and descriptive analysis results showed different correlations depending on the temperature of the Doenjang soup solutions.
-
희토류 금속이온 (Ln(III))과 Acetamide 사이의 상호작용에 대한 연구
이상원,유정아,윤창주,전유혁,최영상,Sang-Won Lee,Jeonga Yu,Chang-Ju Yoon,Yoo-Hyek Jun,Young-Sang Choi 대한화학회 1992 대한화학회지 Vol.36 No.2
아세트아미드(AA)의 CO기와 희토류 금속이온(Ln(II))을 포함하는 몇 가지 lanthanide shift reagent(LSR) 사이의 상호작용을 이해하기 위하여 AA의 $2{\nu}_{C=0}$ + amide III 조합띠를 $15^{\circ}$ ${\sim} 45^{\circ}C$에서 조사하였다. 묽은 $CCl_4$ 용액속에서 하나의 AA가 사용된 LSR에 배위되어 1 : 1 AA-LSR 복합체를 이루며, Ln(Ⅲ)이온에 대한 AA의 배위 위치는 카르보닐의 산소임을 알았다. 온도 및 농도에 따른 이 조합띠의 변화로부터 Ln(III)${\cdot}$O=C 결합에 대한 여러가지 열역학적 함수들을 구했다. Eu$(dpm)_3$, Yb$(dpm)_3$ 및 Pr$(dpm)_3$에 대한 AA의 결합의 세기를 나타내는 ${\Delta}H^{\circ}$는 각각 -39.1, -28.4 및 -25.5kJ/mol이다. 이들 값을 비교해보면 AA 분자가 배위될 때 중심금속이온의 ionic potential 효과보다는 이미 배위되어 있는 커다란 dpm 분자에 의한 입체장애효과가 더 큼을 알 수 있다. The $2{\nu}_{C=0}$ + amide III combination band spectrum of acetamide (AA) was obtained in very dilute solutions of AA+lanthanide shift reagents (LSR) in carbon tetrachloride over the range of $15^{\circ}$ to $45^{\circ}C$. It was found that only 1 : 1 AA-LSR complex is formed by the interaction between carbonyl oxygen of AA and central metal ion(Ln(Ⅲ)) in LSR. The thermodynamic parameters for Ln(III)${\cdot}$O=C bond were determined by computer analysis of concentration and temperature dependent spectra. ${\Delta}H^{\circ}$ for the coordination of AA to Eu$(dpm)_3$, Yb$(dpm)_3$, and Pr$(dpm)_3$ have been found to be -39.1, -28.4, and -25.5 kJ/mol, respectively. It has shown that this type of ion-dipole interaction is more than twice stronger compared to the dipole-dipole interaction in the amide linkage, and largely depending on the steric hindrence effect by the bulky dpm groups around central metal ion (Ln(III)) rather than the ionic potential effect of central metal ion itself.
ScienceON
코리아스칼라연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
