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Efficient radiolabeling of rutin with 125I and biodistribution study of radiolabeled rutin
Choi, Mi Hee,Rho, Jong Kook,Kang, Jung Ae,Shim, Ha Eun,Nam, You Ree,Yoon, Seonhye,Kim, Hye Rim,Choi, Dae Seong,Park, Sang Hyun,Jang, Beom-Su,Jeon, Jongho Springer-Verlag 2016 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY Vol.308 No.2
성인 지역사회 폐렴의 원인 미생물에 대한 전향적 다기관 연구 : 마이코플라즈마와 클라미디아의 역할
주철현,윤하정,남정현,문미선,조영걸,우준희,강재명,신완식,김양리,김민자,정희진,이환종,김유겸 대한감염학회 2001 감염 Vol.33 No.1
Background : The purpose of this study is to develop a rapid and sensitive method to detect M. pneumoniae and C. pneumoniae. In addition, we prospectively investigated the prevalence of M. pneumoniae and C. pneumoniae infections in community-acquired pneumonia. Methods : The nasopharyngeal aspirates were collected from truly 1997 to April 2000. PCR or nested PCR techniques were used to detect causative agents. RFLP and nucleotide sequence analysis were performed to study molecular epidemiology. Furthermore, feasibility of one-step technique to detect two microorganisms was tested by multiplex PCR. Results : Of 250 clinical specimens, 23 (9.2%) specimens were positive for M. pneumoniae and 33 (13.2%) for C. pneumoniae, including one dual-infected specimen. Most M. pneumoniae infection occurred during the colder months of the year. C. pneumoniae infection was predominantly found from December to February. Conclusion : The results indicate that M. pneumoniae and C. pneumoniae infections are frequently found from patients with community-acquired pneumonia. (Korean J Infect Dis 33: 15-23, 2001)
Lee, Guy Mok,Kim, Youe Ree,Ryu, Jong Hyun,Kim, Tae-Hoon,Cho, Eun Young,Lee, Young Hwan,Yoon, Kwon-Ha unknown 2017 KOREAN JOURNAL OF RADIOLOGY Vol.18 No.3
<P><B>Objective</B></P><P>To quantitatively measure hepatic fibrosis on gadoxetic acid-enhanced magnetic resonance (MR) in chronic hepatitis B (CHB) patients and identify the correlations with aspartate aminotransferase-to-platelet ratio index (APRI) and fibrosis-4 index (FIB-4) values.</P><P><B>Materials and Methods</B></P><P>This study on gadoxetic acid-enhanced 3T MR imaging included 81 patients with CHB infection. To quantitatively measure hepatic fibrosis, MR images were analyzed with an aim to identify inhomogeneous signal intensities calculated from a coefficient of variation (CV) map in the liver parenchyma. We also carried out a comparative analysis between APRI and FIB-4 based on metaregression results. The diagnostic performance of the CV map was evaluated using a receiver-operating characteristic (ROC) curve.</P><P><B>Results</B></P><P>In the MR images, the mean CV values in control, groups I, II, and III based on APRI were 4.08 ± 0.92, 4.24 ± 0.80, 5.64 ± 1.11, and 5.73 ± 1.28, respectively (<I>p</I> < 0.001). In CHB patients grouped by FIB-4, the mean CV values of groups A, B, and C were 4.22 ± 0.95, 5.40 ± 1.19, and 5.71 ± 1.17, respectively (<I>p</I> < 0.001). The mean CV values correlated well with APRI (<I>r</I> = 0.392, <I>p</I> < 0.001) and FIB-4 (<I>r</I> = 0.294, <I>p</I> < 0.001). In significant fibrosis group, ROC curve analysis yielded an area under the curve of 0.875 using APRI and 0.831 using FIB-4 in HB, respectively.</P><P><B>Conclusion</B></P><P>Gadoxetic acid-enhanced MR imaging for calculating a CV map showed moderate correlation with APRI and FIB-4 values and could be employed to quantitatively measure hepatic fibrosis in patients with CHB.</P>
경제성 확보를 위한 빗물이용시설의 규모 산정 및 민감도 분석
문정수,김하나,박종빈,이정훈,김이호,Mun, Jung-Soo,Kim, Ha-Na,Park, Jong-Bin,Lee, Jung-Hun,Kim, Ree-Ho 대한상하수도학회 2012 상하수도학회지 Vol.26 No.2
Rainwater harvesting systems (RWHS), one of measures for on site rainwater management, have been promoted by laws, regulations and guidelines and have been increased. However, more evaluation of economic feasibility on RWHS is still needed due to seasonal imbalance of rainfall and little experiences and analysis on design and operation of RWHS. In this study, we investigated tank capacity of RWHS to secure economic validity considering catchment area and water demand, which is affected by building scale. Moreover, sensitivity analysis was performed to examine the effect of design factors, cost items and increase rate of water service charge on economic feasibility. The BCR (benefit cost ratio) is proportional to the increase in tank capacity. It is increased steeply in small tank capacity due to the effect of cost and, since then, gently in middle and large tank capacity. In case of 0.05 in the rate of tank volume to catchment area and 0.005 in water demand to catchment area, BCR was over one from the tank capacity of 160 $m^{3}$ taking into account of private benefits and from the tank capacity of 100 $m^{3}$ taking into account of private and public benefits. Sensitivity analysis shows that increase of water demand can improve BCR values with little cost so that it is needed to extend application of rainwater use and select a proper range of design factor. Decrease of construction and maintenance cost reduced the tank volume to secure economic validity. Finally, increase rate of water service charge had considerable impact on economic feasibility.
Korea Barcode of Life Database System (KBOL)
Kim, Sung-Min,Kim, Chang-Bae,Min, Gi-Sik,Suh, Young-Bae,Bhak, Jong,Woo, Tae-Ha,Koo, Hye-Young,Choi, Jun-Kil,Shin, Mann-Kyoon,Jung, Jong-Woo,Song, Kyo-Hong,Ree, Han-Il,Hwang, Ui-Wook,Park, Yung-Chul,Eo The Korean Society for Integrative Biology 2012 Animal cells and systems Vol.16 No.1
A major concern regarding the collection and storage of biodiversity information is the inefficiency of conventional taxonomic approaches in dealing with a large number of species. This inefficiency has increased the demand for automated, rapid, and reliable molecular identification systems and large-scale biological databases. DNA-based taxonomic approaches are now arguably a necessity in biodiversity studies. In particular, DNA barcoding using short DNA sequences provides an effective molecular tool for species identification. We constructed a large-scale database system that holds a collection of 5531 barcode sequences from 2429 Korean species. The Korea Barcode of Life database (KBOL, http://koreabarcode.org) is a web-based database system that is used for compiling a high volume of DNA barcode data and identifying unknown biological specimens. With the KBOL system, users can not only link DNA barcodes and biological information but can also undertake conservation activities, including environmental management, monitoring, and detecting significant organisms.
대전력용 GTO Inverter 의 구성과 V/F 일정제어
이기태,최상원,김진표,윤용기,이종하 ( Gie Tae Lee,Sang Won Choi,Jin Pyo Kim,Yong Kee Yoon,Jong Ha Ree ) 충북대학교 산업과학기술연구소 1995 산업과학기술연구 논문집 Vol.9 No.2
Abstract_Roman The variable s control of AC motors are used to study, for the limit of DC motor in high power, high voltage and high speed drive. High power Induction motor is able to Variable speed control by high power thyristor in 70s. Accoding to de