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A New Stent Design for the Treatment of True Bifurcation Lesions: H-Side Branch Stents
HONG, MYEONG-KI,SHIM, JAE-MIN,YOUN, YOUNG-JIN,LEE, KYUNG-HOON,KIM, JUNG-SUN,KO, YOUNG-GUK,LEE, SEUNG-HWAN,CHOI, DONGHOON,YOON, JUNGHAN,JANG, YANGSOO Wiley (Blackwell Publishing) 2010 Journal of interventional cardiology Vol.23 No.1
Cross-Cultural Differences in Consistent Mapping Effects of Targets and Distractors
Lee, Donghoon,Shin, Hyun Jung,Weldon, Rebecca B.,Sohn, Myeong-Ho SAGE Publications 2016 Journal of Cross Cultural Psychology Vol.47 No.4
<P>Previous cross-cultural studies have shown that East Asians pay more attention to the background information and European Americans more to the focal object. However, it has not been well investigated what cognitive benefits can be achieved with these different attention allocation strategies. In the current study, we examined whether Koreans and European Americans differ in utilizing the regularity in targets and distractors by comparing consistent mappings (CMs) with varied mappings (VMs) of stimuli. Two experiments consistently revealed that European Americans showed a greater performance benefit with the consistency embedded within the targets (i.e., the CM target effect) but not within the distractors. In contrast, Koreans showed a greater performance benefit with the consistency within the distractors (i.e., the CM distractor effect), but not within the targets. These results imply that the East–West differences in attention allocation strategies reflect the cultural differences in utilizing the information that is potentially beneficial for task performance. We discuss what kinds of cognitive benefits can be achieved by differentially paying attention to the target and the background.</P>
Evaluation of carcass yield and digestive conditions in HANWOO and pigs during feed withdrawal time
Hansung Chung,Donghoon Myeong,Seongjoon Kim,Byung-Joon Chang,NongHoon Choe 한국예방수의학회 2017 예방수의학회지 Vol.41 No.2
The study was conducted to investigate the effects of feed withdrawal on gastrointestinal weight, digestive condition, and carcass yield. The effects were studied in 36 HANWOO and 245 pigs. The weight of the gastrointestinal tract decreased with fasting time in both HANWOO and pigs. No significant differences in weight of HANWOO stomachs, intestinal tracts, and carcass yields were observed throughout the experimentals. Among pigs, significant differences in gastrointestinal tract weight were observed when comparing short fasting time (4 h) with long fasting time (above 12 h) (p<0.05). HANWOO and pigs showed no significant differences in carcass yield during fasting times. These results suggested that feed withdrawal for 16 and 12 hours is appropriate for HANWOO and pigs.
Evaluation of carcass yield and digestive conditions in HANWOO and pigs during feed withdrawal time
Hansung Chung,Donghoon Myeong,Seongjoon Kim,Byung-Joon Chang,NongHoon Choe 한국예방수의학회(구 한국수의공중보건학회) 2017 예방수의학회지 Vol.42 No.2
The study was conducted to investigate the effects of feed withdrawal on gastrointestinal weight, digestive condition, and carcass yield. The effects were studied in 36 HANWOO and 245 pigs. The weight of the gastrointestinal tract decreased with fasting time in both HANWOO and pigs. No significant differences in weight of HANWOO stomachs, intestinal tracts, and carcass yields were observed throughout the experimentals. Among pigs, significant differences in gastrointestinal tract weight were observed when comparing short fasting time (4 h) with long fasting time (above 12 h) (p<0.05). HANWOO and pigs showed no significant differences in carcass yield during fasting times. These results suggested that feed withdrawal for 16 and 12 hours is appropriate for HANWOO and pigs.
Lee, Ju Yong,Choi, Donghoon,Johan, Christoph,Moon, Myeong Hee Elsevier 2011 Journal of chromatography Vol.1218 No.27
<P><B>Abstract</B></P><P>In this article, a simple experimental approach to improve lipoprotein separation and detection in flow field-flow fractionation (FlFFF) is detailed. Lipoproteins are globular particles composed of lipids and proteins in blood serum and their roles include transferring fats and cholesterols through blood vessels throughout the body. Especially, presence of small, dense low-density lipoproteins (LDL) is associated with cardiovascular risk. Two experimental approaches were explored in this study: an increase in the reproducibility of LDL particle separation by implementing a guard channel prior to an asymmetrical FlFFF (AFlFFF) channel in order to deplete small molecular weight serum proteins and reducing the required injection volume of a serum sample by implementing fluorescence detection. The guard channel was made of a simple hollow fiber module so that the serum sample can be washed with the help of radial flow prior to injection into the AFlFFF channel. The channel was tested with protein standards and serum samples to ensure precision of the retention time and the protein recovery rate. A fluorescent phospholipid dye was utilized to label lipoprotein particles before separation for fluorescence detection, which resulted in a reduction of the required injection volume of serum.</P>
Hansung Chung,Hyobi Kim,Donghoon Myeong,Seongjoon Kim,Nong-Hoon Choe 한국축산식품학회 2018 한국축산식품학회지 Vol.38 No.3
Controlling of microorganisms in the industrial process is important for production and distribution of hatching and table eggs. In the previous study, we reported that chlorine dioxide (ClO2) gas of a proper concentration and humidity can significantly reduce the load of Salmonella spp. on eggshells. In this study, we compared microbial reduction efficacy on egg’s surface using hatching eggs and table eggs, internal quality of table eggs, and hatchability after both the conventional method (washing and UV expose, fumigation with formalin) and ClO2 gas disinfection. Application of 40 ppm ClO2 gas to the table and hatching eggs, respectively, reduced the aerobic plate count (APC) with no statistical difference compared with the conventional methods. Additionally, we didn’t observed that any significant difference in albumin height, Haugh unit (HU), and yolk color, this result confirms that 40 ppm ClO2 had no effect on the internal quality of the table eggs, when comparing with the UV treatment method. The hatchability of hatching eggs was not statistical different between formaldehyde fumigation and 80 ppm ClO2 gas treatment, though the value was decreased at high concentration of 160 ppm ClO2 gas. From these results, we recommend that ClO2 gas can be used as a safe disinfectant to effectively control egg surface microorganisms without affecting egg quality.