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Weakened Liberal Rule Respecting Others’ Consensus: An Axiomatic Characterization
Seongkyu Park 한국계량경제학회 2008 한국계량경제학회 학술대회 논문집 Vol.2009 No.-
We introduce the strong quasi-liberal rule, which is an extension of the strong liberal rule in Kasher and Rubinstein (1997) through the requirement of at least one agreement. We provide an axiomatic characterization of strong quasi-liberal rule. Similarly, we generalize the order of the rule (associated with the degree of minimum agreement requirement) to match the Consent Rules in Samet and Schmeidler (2003). The domain is extended to allow an additional proxy opinion for each individual. We show that strong quasi-liberal rule of any finite order (associated with the degree of minimum agreement requirement) converges in probability to the strong liberal rule in a specific setting.
Geometrical effects on the surface plasmonic resonance by highly ordered Au nanostructures
Park, Seongkyu,Song, Hyerin,Yoo, Dayoung,Kim, Kyujung,Kim, Yangdo,Lee, Dongyun Elsevier 2019 The Journal of physics and chemistry of solids Vol.126 No.-
<P><B>Abstract</B></P> <P>Three differently shaped and highly ordered Au nanostructures were fabricated using an anodized aluminum oxide template and a thermal evaporator. A long-range ordered cone shape, embossed shape structure, and wave-like shape were obtained. Nanoparticles were added to the substrates with the three different shapes of ordered Au nanostructures, to verify the surface-enhanced Raman scattering by nanostructures with various shapes and gaps between structures. The simulation results showed the dependency of the Raman signal on the shape of the nanostructures, and hot-spots were found to depend largely on the distance between the structures and the wavelength of the incident light source. Thus, nanostructures can be designed to achieve various purposes by varying their shapes and the fabrication process.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Three differently shaped and highly ordered Au nanostructures were fabricated for understanding geometrical effect on SPR. </LI> <LI> Nanoparticles were added onto the Au nanostructures to verify geometrical effects with various nanostructures. </LI> <LI> The results exhibited dependency of the Raman signal on the shape of the nanostructures but no stereotypes exist. </LI> <LI> Nanostructures need to be designed to achieve various purposes by varying their shape and the process of their fabrication. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
박상철(Sangcheol Park),송연민(Younmin Song),신경훈(Kyunghun Shin),최성규(Seongkyu Choi),박정원(Jungwon Park) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Body stiffness has a direct effect on suspension geometry change. also has a closely connection with driving characteristics. Thus, the body stiffness must have be considered for the correct analyzation of driving characteristics. Therefore in this study, we developed UTV(Utility Terrain Vehicle) driving characteristics analysis model under the consideration of body stiffness. The UTV analysis model is constructed based on the data such as weight measurement, hard-point measurement, 3D scan and spring & damper test etc. We use the ADAMS/car as the analysis tool. We studied the corelation between the UTV analysis model and ride & handling test results for the more accuracy analysis model development. Body stiffness was approximated with bush elements which was based on stiffness result data through bending and torsion test. The developed model has been compared and verified with ride & handling test results and another UTV analysis model with rigid body. And then, we analyzed the effect of body stiffness on driving characteristics.
박성규,김수남,이종찬,김한성,김연준,이병곤,장이섭 대한본초학회 2004 大韓本草學會誌 Vol.19 No.1
Objectives: Jaeum-Dan (JED) I and II are new formulas composed with oriental herbs. We investigated the anti-aging effects on skin with water extracts of JED 1 , JED II, JJZD IIJ and each Bupleuri Radix, Lonicerae Caulis, Coicis Semen, Armeniacae Amarum Semen, Plantaginis Herba. Methods: We measured various effects related to skin such as the proliferation of keratinocytes, the inhibition of reactive oxygen species (ROS) generation, 5a-reductase activity, the gap junctional intercellular communication, the amount of melanin and the synthesis of MMP-1 and type I procollagen. Results: The proliferation of keratinocytes were increased in JED I , 11, ID and water extracts of Bupleun Radix, Plantaginis Herba. The production of ROS were decreased in JED I , II, IJl and water extract of Bupleun Radix. 5a-reductase activity were decreased in JED I , II, lII and water extract of Lonicerae Caulis. Gap junctional intercellular communcation were increased to normal level in water extract of Coicis Semen. The amount of melanin were decreased in JED I , II, IU and water extract of Armeniacae Amarum Semen, Plantaginis Herba. The synthesis of MMP-1 and type I procollagen were positive in JED I , II, ID and water extract of Plantaginis Herba. Conclusions: The results of our study indicate that each 5 herbs have anti-aging effects and the complex of JED I with rl were best in anti-aging effects on skin.