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Language,Education : Language Shift on the Individual Level
( Orsolya Fazakas ) 경희대학교 비교문화연구소 2013 비교문화연구 Vol.32 No.-
This paper focuses on a sociologic approach, the theory of planned behavior (Ajzen 1991) and a sociolinguistic field, the language shift (Fishman 1991, Crystal 2000). It describes the theoretical background of language shift and briefly mentions the history of Hungarian language and Romanian language contacts. After presenting language use of the Hungarian minority students and explaining the theory of planned behavior, it turns to apply the theory of planned behavior to the language shift from the view of bilingual speaker(s). This paper wants to propose the application of the theory of planned behavior in language shift and open new perspective in bilingual research.
László Szabó,Orsolya Gyenes,Júlia Szabó,Krisztina Kovács,András Kovács,Gabriella Kiskó,Ágnes Belák,Csilla Mohácsi-Farkas,Erzsébet Takács,László Wojnárovits 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.58 No.-
Effluents of wastewater treatment plants represent critical control points for antibiotic resistancemanagement. To meet strict regulations coming into effect in the future advanced technologies need tobe implemented that can remove the factors contributing to the development of resistance in receivingnatural environments. By performing microbiological assays we show that electron beam treatment of acomplex synthetic effluent wastewater matrix is able to eliminate one of these factors, the antimicrobialactivity of the b-lactam antibiotic piperacillin present at environmentally relevant concentration. SinceOH governs the antibacterial inactivation the technology needs to be designed to the stoichiometricpresence of OH.
CERAMIC-BASED NANOCOMPOSITES FOR FUNCTIONAL APPLICATIONS
BALÁZS FÉNYI,ORSOLYA KOSZOR,CSABA BALÁZSI 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2008 NANO Vol.3 No.5
Silicon-nitride-based composites with 3 wt% of multi-wall and single-wall carbon nanotubes and graphene have been prepared. A manufacturing process has been worked out to avoid the damage of nanotubes and graphene during sintering. This method provides their preservation even in severe circumstances at temperature 1700°C and gas pressure 2 MPa. In this work, the conductivity according to the type and concentration of the carbon additives was observed by applying four-point DC resistance measurements. Insulator and conductor composites can be produced depending on the type of additives.
Specific Response of Additively Manufactured AlSi9Cu3Fe Alloy to Precipitation Strengthening
Michaela Roudnická,Orsolya Molnárová,Drahomír Dvorský,Leoš Křivský,Dalibor Vojtěch 대한금속·재료학회 2020 METALS AND MATERIALS International Vol.26 No.8
The additive manufacturing of Al–Si–Cu/Mg alloys along with their precipitation strengthening represents a promising optionof producing high-strength complex-shaped light-weight components for special applications in automotive or aerospace. Inthis paper, we follow our previous research on AlSi9Cu3Fe alloy prepared by one of the additive manufacturing technologies,selective laser melting (SLM). We characterize the precipitation strengthening of this material during conventional T6heat treatment, and also present the possibility of its precipitation strengthening by annealing at temperatures of 413–453 Kwithout previous solutionizing. We revealed the specific response of the studied material consisting in the simultaneousprecipitation of semi-coherent θ′ precipitates and Si platelets. By characterization of hardness, mechanical performance undertensile loading and microstructure, we demonstrate that the AlSi9Cu3Fe alloy is not stable when prepared by SLM and itsstability can be induced by additional heat treatment. The results of our work thus yield with a practical recommendationfor applications where temperature increase may occur.
NaRi Kim,SamuelSukHyun Hwang,JungSeok Choi,DaiJin Kim,Zsolt Demetrovics,Orsolya Kiraly,Katalin Nagygyorgy,Mark. D. Griffiths,SoYeon Hyun,HyunChul Youn,SamWook Choi 대한신경정신의학회 2016 PSYCHIATRY INVESTIGATION Vol.13 No.1
Objective-The Section III of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) proposed nine diagnostic criteria and five cut-point criteria for Internet Gaming Disorder (IGD). We aimed to examine the efficacy of such criteria. Methods-Adults (n=3041, men: 1824, women: 1217) who engaged in internet gaming within last 6 months completed a self-report online survey using the suggested wordings of the criteria in DSM-5. Major characteristics, gaming behavior, and psychiatric symptoms of IGD were analyzed using ANOVA, chi-square, and correlation analyses. Results-The sociodemographic variables were not statistically significant between the healthy controls and the risk group. Among the participants, 419 (13.8%) were identified and labeled as the IGD risk group. The IGD risk group scored significantly higher on all motivation subscales (p<0.001). The IGD risk group showed significantly higher scores than healthy controls in all nine psychiatric symptom dimensions, i.e., somatization, obsession-compulsion, interpersonal sensitivity, depression, anxiety, hostility, phobic anxiety, paranoid ideation, and psychoticism (p<0.001). Conclusion-The IGD risk group showed differential psychopathological manifestations according to DSM-5 IGD diagnostic criteria. Further studies are needed to evaluate the reliability and validity of the specific criteria, especially for developing screening instruments.
<i>Herschel</i> and SCUBA-2 observations of dust emission in a sample of <i>Planck</i> cold clumps
Juvela, Mika,He, Jinhua,Pattle, Katherine,Liu, Tie,Bendo, George,Eden, David J.,Fehé,r, Orsolya,Michel, Fich,Fuller, Gary,Hirano, Naomi,Kim, Kee-Tae,Li, Di,Liu, Sheng-Yuan,Malinen, Johanna,Marsh Springer-Verlag 2018 Astronomy and astrophysics Vol.612 No.-
<P><I>Context.</I> Analysis of all-sky <I>Planck</I> submillimetre observations and the IRAS 100 <I>μ</I>m data has led to the detection of a population of Galactic cold clumps. The clumps can be used to study star formation and dust properties in a wide range of Galactic environments.</P><P><I>Aims.</I> Our aim is to measure dust spectral energy distribution (SED) variations as a function of the spatial scale and the wavelength.</P><P><I>Methods.</I> We examined the SEDs at large scales using IRAS, <I>Planck</I>, and <I>Herschel</I> data. At smaller scales, we compared JCMT/SCUBA-2 850 <I>μ</I>m maps with <I>Herschel</I> data that were filtered using the SCUBA-2 pipeline. Clumps were extracted using the Fellwalker method, and their spectra were modelled as modified blackbody functions.</P><P><I>Results.</I> According to IRAS and <I>Planck</I> data, most fields have dust colour temperatures <I>T</I>C ~ 14-18 K and opacity spectral index values of <I>β</I> = 1.5-1.9. The clumps and cores identified in SCUBA-2 maps have <I>T</I> ~ 13 K and similar <I>β</I> values. There are some indications of the dust emission spectrum becoming flatter at wavelengths longer than 500 <I>μ</I>m. In fits involving <I>Planck</I> data, the significance is limited by the uncertainty of the corrections for CO line contamination. The fits to the SPIRE data give a median <I>β</I> value that is slightly above 1.8. In the joint SPIRE and SCUBA-2 850 <I>μ</I>m fits, the value decreases to <I>β</I> ~ 1.6. Most of the observed <I>T</I>-<I>β</I> anticorrelation can be explained by noise.</P><P><I>Conclusions.</I> The typical submillimetre opacity spectral index <I>β</I> of cold clumps is found to be ~1.7. This is above the values of diffuse clouds, but lower than in some previous studies of dense clumps. There is only tentative evidence of a <I>T</I>-<I>β</I> anticorrelation and <I>β</I> decreasing at millimetre wavelengths.</P>
Erratum: Cis-regulatory architecture of a brain signaling center predates the origin of chordates
Yao, Yao,Minor, Paul J,Zhao, Ying-Tao,Jeong, Yongsu,Pani, Ariel M,King, Anna N,Symmons, Orsolya,Gan, Lin,Cardoso, Wellington V,Spitz, Franç,ois,Lowe, Christopher J,Epstein, Douglas J Nature Publishing Group, a division of Macmillan P 2016 Nature genetics Vol.48 No.8
Psychometric Assessment of the Motives for Online Gaming Questionnaire Among Iranian Gamers
Marziyeh Hamzehzadeh,Arshiya Sangchooli,Rabert Farnam,Hosein Rafiemanesh,Behrang Shadloo,Kamyar Ghani,Maral Mardaneh Jobehdar,Masoumeh Amin-Esmaeili,Jamileh Rahimi,Zsolt Demetrovics,Orsolya Király,Afa 대한신경정신의학회 2022 PSYCHIATRY INVESTIGATION Vol.19 No.5
Objective Gaming motivations are crucial aspects of healthy and problematic video gaming behavior. The aim of this study was to assess the psychometric properties of the widely used Motives for Online Gaming Questionnaire (MOGQ).Methods Test-retest reliability was evaluated in a sample of 66 university students. Data from 791 participants in an online survey of Iranian online gamers were examined to assess convergent validity and construct validity using confirmatory factor analysis. Internal consistency of MOGQ factors was assessed in both samples.Results The item content validity index (I-CVI) and the scale content validity index (S-CVI) were between 0.8 and 1.0 for clarity and relevancy. The test-retest reliability of the 27-item questionnaire was 0.85 and internal consistency was 0.94. After incorporating additional error paths, model fit improved to an acceptable level. The MOGQ factors had acceptable correlations with relevant motivational scales such as Gaming Motivation Scale and Player Experience of Need Satisfaction. Recreation motives had the highest average score in the sample and social ones had the lowest, and males scored higher than females across all motivation domains except escape.Conclusion The MOGQ is a suitable instrument for the assessment of online gaming motivations in the Iranian population.
Psychometric Properties of the Persian Version of the Gaming Motivation Scale
Kamyar Ghani,Rabert Farnam,Hosein Rafiemanesh,Behrang Shadloo,Arshiya Sangchooli,Marziyeh Hamzehzadeh,Maral Mardaneh Jobehdar,Masoumeh Amin-Esmaeili,Yekta Rahimi,Zsolt Demetrovics,Orsolya Király,Afari 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.7
Objective Gaming motivations are a central aspect of playing video games, and their importance to understanding both healthy and problematic gaming behavior has been increasingly elucidated. In this study, we aimed to translate the 18-item Gaming Motivation Scale (GAMS-18) to Persian and validate it in a population of Persian speaking gamers, specifically for the assessment of online gaming.Methods After translation from English to Persian, content validity of the questionnaire was assessed by a panel of experts and test–retest reliability was calculated in a sample of 70 students. Data from an online survey of 791 Iranian online gamers were used for the assessment of construct validity using confirmatory factor analysis.Results The item content validity index and the scale content validity index for clarity and relevance ranged from 0.80 to 1.00. Internal consistency reliability of the GAMS-18 was 0.90 and the test–retest reliability was 0.89. The test–retest reliability of the GAMS-18 was 0.89, and the internal consistency was 0.90. The GAMS factors had acceptable correlation with other motivational scale such as Player Experience of Need Satisfaction. Incorporating the proposed additional error paths improved the model fit to an acceptable level.Conclusion The Persian version of the GAMS can assess digital gaming behavior based on the six self-determination theory motivation types, and measures different aspects of motivation that other instruments. It is also demonstrated to have good reliability and validity and could be used in research on the motivations of online gamers in Persian-speaking populations.