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<i>Ab initio</i> study of H, B, C, N, O, and self-interstitial atoms in hcp-Zr
You, Daegun,Ganorkar, Shraddha,Joo, Minsoo,Park, Donghyun,Kim, Sooran,Kang, Keonwook,Lee, Dongwoo ELSEVIER SCIENCE 2019 JOURNAL OF ALLOYS AND COMPOUNDS Vol.787 No.-
<P><B>Abstract</B></P> <P>In this work, we investigate the stabilities of H, B, C, N, O, and Zr atoms at various interstitial sites in hcp-Zr using a first-principles theoretical approach. The formation energy of each interstitial atom at each site in the hcp crystal was determined, and the difference in the energy at different sites were considered as a static energy barrier to predict energetically favored diffusion pathways. Linear and non-linear prediction models for the interstitial formation energy were developed using readily accessible chemical and structural input parameters. We show that a simple linear model predicts the formation energies of the interstitial atoms with an R<SUP>2</SUP> of 97%.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Formation energies (E<SUB>f</SUB>) of H, B, C, N, O and Zr impurity atoms at various interstitial sites of hcp-Zr were determined. </LI> <LI> The most preferable diffusion path for each atom was predicted by considering the difference of E<SUB>f</SUB> at different sites. </LI> <LI> Simple linear and non-linear prediction models for E<SUB>f</SUB> were proposed. </LI> <LI> A linear model with four readily accessible input parameters predicts E<SUB>f</SUB> with R<SUP>2</SUP> of 97%. </LI> <LI> The key input parameters for E<SUB>f</SUB>: electronegativity, valence electrons, the interatomic distance, interstitial symmetricity. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
소비자의 체면민감성과 아웃도어웨어 구매행동 연구 -과시소비의 매개효과 분석-
진대건 ( Daegun Jin ),유소이 ( Soye You ) 한국패션비즈니스학회 2018 패션 비즈니스 Vol.22 No.2
This study was to explore purchasing behavior and repurchase intention by considering social-face sensitivity and conspicuous consumption. To do this, first, this study tried to explain how consumers had different characteristics for social-face sensitivity, conspicuous consumption, purchasing behavior, and repurchase intention for outdoor wear. Second, this study tested the relationship between consumer behavior (purchasing behavior and repurchase intention) and social-face sensitivity by considering the mediating effect of conspicuous consumption. As the results, first, there was a significant relationship between social-face sensitivity (sensitivity to saving face) and conspicuous consumption, which had a significant effect on the purchasing behavior with outdoor wear(purchase frequency, purchase cost). Second, social-face sensitivity (consciousness of shame) had a significant effect on conspicuous consumption (preference for famous brands, status symbol, pursuing fashion), and social face sensitivity (consciousness of social formality) had a significant effect on conspicuous consumption (preference for famous brands). The relationship between the conspicuous consumption and purchasing behavior showed that conspicuous consumption had significant effects on consumer behavior (purchase frequency, purchase cost). The relationship between the social-face sensitivity and purchasing behavior showed that being conscious of others had a significant effect on purchasing behavior. Third, purchasing behavior with outdoor wear had a significant effect on repurchase intention. Finally, this study confirmed that conspicuous consumption had a partially significant mediating effect on the relationship between social-face sensitivity (sensitivity to saving face) and purchasing behavior.