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강영배,김상희,장환,김창섭,김종염,권영방,이영옥,박정문,정운익,김공식,신종백,Kang Yung-Bai,Kim S.H.,Jang H.,Kim C.S.,Kim J.Y.,Kwon Y.B.,Rhee Y.O.,Park J.M.,Chung U.I.,Kim K.S.,Shin J.B. 대한수의사회 1987 대한수의사회지 Vol.23 No.5
Outbreaks of foulbrood in honey bees rearing on Cheju Island(an apiary with 172 colonies) and in Pusan City(an apiary with 100 colonies) were reported in April, 1987. The disease striked on Cheju Island was identified as American foulbrood caused by Bacil
GENETIC STUDIES OF KOREAN POPULATION : 25. GENETIC POLYMORPHISM OF PLACENTAL GLUCOSE DEHYDROGENASE
Kim, Yung Jin,Paik, Sang G,Park, Hwa Y 충남대학교 기초과학연구소 1993 연구논문집 Vol.13 No.-
Genetic polymorphism of placental glucose dehydrogenase(GDH) was studied in 300 healthy Korean placentae using horizontal starch gel electrophoresis. The frequency of three common alleles, GDH-1, GDH-2 and GDH-3 was 0.537, 0.440 and 0.015, respectively. The frequency of common alleles was similar among Asian ethnic and among Caucasian ethnic populations. However, compared the frequency with those of Caucasians was significantly different. One new anodal allele (GDH-6) which was slowest band observed firstly in the present series with very low frequency but GDH-5 allele was lacked in a Korean population.
Causality in the Saving-Growth Nexus : Empirical Evidence from Five Developed Countries
이명훈,Yung Y. Yang 이화여자대학교 이화사회과학원 2014 사회과학연구논총 Vol.4 No.-
Utilizing test procedures based on the notion of control causality and test procedure for superexogeneity, we examine the causal relationship between saving rate and economic growth using the annual time-series data for five developed countries. Our results provide empirical evidence that for four out of five countries economic growth control causes saving, but the reverse is not true. Policy implication of our finding is that since economic growth drives saving rates, rather the other way around, priorities should be given to policies to foster economic growth via raising investment growth and improve efficiency of such investment.
기부 캠페인의 제3자 효과 : 여론 지각과 미디어 이용량이 미치는 영향
조윤용 ( Yoon Y. Cho ),임영호 ( Yung-ho Im ),허윤철 ( Yun-cheol Heo ) 한국PR학회 2017 PR연구 Vol.21 No.5
Despite the increasing ramification of crowdfunding charity projects through online platforms, research on charitable campaigns has paid limited attention beyond traditional emphasis on message-related characteristics and personal traits. Based on the assumption that perceptions of opinion climate may affect individual participation in charity campaigns, this study aims to apply notions of third-person effect to campaign research. More specifically, this study examines the impact of fundraising rate as a clue to opinion climate, on individual willingness to donate. Also, given that knowledge of charity beneficiaries depends on mediated experience, this study has also analyzed the impact of level of media usage, including both television and Internet, on TPP. The results show that, when exposed to socially desirable messages, consumers tend to estimate greater influence on themselves than others. The results also suggest that the third-person perception of crowdfunding for charitable causes is strengthened (positive belief about others’ participation) when the fundraising rate is presented as high and among groups with low level of Internet usage. Theoretical and practical implications of these results are also discussed.
Shin, Jin Y,Artigas, Francisco,Hobble, Christine,Lee, Yung-Seop D. Reidel Pub. Co ; Springer 2013 Environmental monitoring and assessment Vol.185 No.3
<P>Concentrations of selected heavy metals (Cd, Cr, Cu, Pb, Ni, Fe, and Zn), nutrients (NO (3) (-) and NH(3)), fecal coliform colonies, and other multiple physical-chemical parameters were measured seasonally from 12 locations in an urban New Jersey estuary between 1994 and 2008. Stepwise regression, principal component analysis, and cluster analysis were used to group water quality results and sampling locations, as well as to assess these data's relationship to sewage treatment effluents and the distance to the mouth of the river. The BOD(5), NH(3), NO (3) (-) and fecal coliform counts clustered as one group and positively correlated to the distances from treated effluent and the measures of magnitude at the discharge points. Dissolved solids and most metal species scored high along a single principal component axes and were significantly correlated with the proximity to the industrialized area. From these data, one can conclude that the effluent discharge has been a main source of anthropogenic input to the Hackensack River over the past 15?years. Therefore, the greatest improvement to water quality would come from eliminating the few remaining combined sewer overflows and improving the removal of nutrients from treated effluents before they are discharged into the creeks and river.</P>
Causality in the Saving-Growth Nexus : Empirical Evidence from Five Developed Countries
Yi, Myung Hoon,Yang, Yung Y. 이화여자대학교 사회과학연구소 2014 사회과학연구논총 Vol.30 No.1
Utilizing test procedures based on the notion of control causality and test procedure for superexogeneity, we examine the causal relationship between saving rate and economic growth using the annual time-series data for five developed countries. Our results provide empirical evidence that for four out of five countries economic growth control causes saving, but the reverse is not true. Policy implication of our finding is that since economic growth drives saving rates, rather the other way around, priorities should be given to policies to foster economic growth via raising investment growth and improve efficiency of such investment.
Mobility-Aware Ad Hoc Routing Protocols for Networking Mobile Robot Teams
Das, Saumitra M.,Hu, Y. Charlie,Lee, C.S. George,Lu, Yung-Hsiang The Korea Institute of Information and Commucation 2007 Journal of communications and networks Vol.9 No.3
Mobile multi-robot teams are useful in many critical applications such as search and rescue. Explicit communication among robots in such mobile multi-robot teams is useful for the coordination of such teams as well as exchanging data. Since many applications for mobile robots involve scenarios in which communication infrastructure may be damaged or unavailable, mobile robot teams frequently need to communicate with each other via ad hoc networking. In such scenarios, low-overhead and energy-efficient routing protocols for delivering messages among robots are a key requirement. Two important primitives for communication are essential for enabling a wide variety of mobile robot applications. First, unicast communication (between two robots) needs to be provided to enable coordination and data exchange. Second, in many applications, group communication is required for flexible control, organization, and management of the mobile robots. Multicast provides a bandwidth-efficient communication method between a source and a group of robots. In this paper, we first propose and evaluate two unicast routing protocols tailored for use in ad hoc networks formed by mobile multi-robot teams: Mobile robot distance vector (MRDV) and mobile robot source routing (MRSR). Both protocols exploit the unique mobility characteristics of mobile robot networks to perform efficient routing. Our simulation study show that both MRDV and MRSR incur lower overhead while operating in mobile robot networks when compared to traditional mobile ad hoc network routing protocols such as DSR and AODV. We then propose and evaluate an efficient multicast protocol mobile robot mesh multicast (MRMM) for deployment in mobile robot networks. MRMM exploits the fact that mobile robots know what velocity they are instructed to move at and for what distance in building a long lifetime sparse mesh for group communication that is more efficient. Our results show that MRMM provides an efficient group communication mechanism that can potentially be used in many mobile robot application scenarios.