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경조증 경행성이 있는 피험자들의 시각적 심상 능력 연구
박은혜 ( Eun Ye Park ),박진선 ( Jin Seon Parkl ),최승원 ( Sung Won Choi ) 국제뇌교육종합대학원대학교 뇌교육연구소 2012 뇌교육연구 Vol.9 No.-
The purpose of this Study was to verify whether patients with high risk bipolar disorder would score higher on visual imagery measures than a matched healthy control group. Participants were composed of 16 undergraduate Students. They were divided into two groups, according to the Ma scores of MMPI- 2: T 2 60 for experimental group (N= 8) and T < 60 for control group (N= 8). Data analysis revealed that mental image had generated by experimental group was more vivid than that of control group. visual Imagery may highlight for contribute to measure bipolar disorder. Through this study, we could get Clear understanding On the relationship between bipolar disorder and the Visual image.
Low cost fabrication of a superhydrophobic V-grooved polymer surface.
Hurst, Steven M,Farshchian, Bahador,Brumfield, Lance,Ok, Jeong Tae,Choi, Junseo,Kim, Jinsoo,Parkl, Sunggook American Scientific Publishers 2013 Journal of Nanoscience and Nanotechnology Vol.13 No.3
<P>Engineering of polymer surfaces to control their wetting properties has shown a wide range of potential applications. In this paper we show low cost fabrication of a superhydrophobic polymer surface via a hierarchical combination of hot embossing, O2 reactive ion etching (RIE) and deposition of a hydrophobic silane. The hot embossing and O2 RIE were used to produce respective micro and nanoscale surface roughness which is a requirement for obtaining superhydrophobic surfaces, while the deposition of a hydrophobic silane modified surface chemistry. In order to increase the water/air interface in the Cassie-Baxter composite wetting model, a brass mold with microscale V-grooves was used for hot embossing. Images of droplets in both static water contact angles and dynamic impact tests with the surface clearly show that the wetting state follows the Cassie-Baxter wetting model. The results of this study indicate that our design of the dual level surface roughness and the fabrication process allow for low cost and easy production of a highly superhydrophobic surface.</P>