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HISTORY AND TIMELESSNESS IN A SHORT STORY BY MIKLÓS MÉSZÖLY
SÁ,NDOR KOVÁ,CS 한국외국어대학교 동유럽발칸연구소 2011 동유럽발칸연구 Vol.28 No.1
본 연구논문에서 저명한 헝가리 작가인 메쒜이 미끌로쉬 (Mészöly Miklós)의 단편소설을 해석해 보았다. 해석에 앞서 우선 서사학의 몇 가지 기본 개념에 대한 정의를 살펴 보았으며, 본문에서는 세 가지 스토리라인(story-line)을 구성해 보았다. 이 스토리라인은 반복되는 모티브(’누군가를 직면하는 것’ 과 ’누군가에게 등을 돌리는 것’)를 가지고 있으며, 서사 내에서 대립되는 것 또한 드러내고 있다. 구조적으로 유사한 이러한 두 이미지(그림이라는 정지된 이미지와 마을의 이야기에서 나타나는 „움직이는 영상”)는 인간의 불완전성이 휴머니티를 조건으로 하는 시간적 차원의 것임을 보여주기 위해 대조적으로 장치된 것이라고 할 수 있다. In this paper I give an interpretation of a short story by the renowned Hungarian writer, Miklós Mészöly. After defining some basic concepts of narratology, I map three story-lines in the text. The story-lines contain recurrent motifs (’facing somebody’ and ’turning one’s back on somebody’) and also point to an opposition within the narrative. The two, structurally similar images (a still image – a painting – and a „motion picture” – the story of a town) are contrasted to show that human fallibility is a result of the temporal dimension humanity is subject to.
Nemestó,thy, Ná,ndor,Bakonyi, Pé,ter,Szentgyö,rgyi, Eszter,Kumar, Gopalakrishnan,Nguyen, Dinh Duc,Chang, Soon Woong,Kim, Sang-Hyoun,Bé,lafi-Bakó,, Katalin Elsevier 2018 JOURNAL OF CLEANER PRODUCTION Vol.185 No.-
<P><B>Abstract</B></P> <P>In this paper, the enrichment of methane by membrane technology was studied by employing (i) a model as well as (ii) a real biogas mixture produced on a laboratory-scale. Thereafter, the endurance of the process was tested at an existing biogas plant. The commercial gas separation module under investigation contained hollow fiber membranes with a polyimide selective layer. During the measurements, the effect of critical factors (including the permeate-to-feed pressure ratio and the splitting factor) was sought in terms of the (i) CH<SUB>4</SUB> content on the retentate-side and (ii) CH<SUB>4</SUB> recovery, which are important measures of biogas upgrading efficiency. The results indicated that a retentate with 93.8 vol% of CH<SUB>4</SUB> – almost biomethane (>95 vol% of CH<SUB>4</SUB>) quality – could be obtained using the model gas (consisting of 80 vol% of CH<SUB>4</SUB> and 20 vol% of CO<SUB>2</SUB>) along with 77.4% CH<SUB>4</SUB> recovery in the single-stage permeation system. However, in the case of the real biogas mixture, ascribed primarily to inappropriate N<SUB>2</SUB>/CH<SUB>4</SUB> separation, the peak methane concentration noted was only 80.7 vol% with a corresponding 76% CH<SUB>4</SUB> recovery. Besides, longer-term experiments revealed the adequate time-stability of membrane purification, suggesting such a process is feasible under industrial conditions for the improvement of biogas quality.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Membrane gas separation was applied for biogas enrichment. </LI> <LI> Polyimide membrane was investigated to deliver biomethane. </LI> <LI> Significant variables affecting membrane performance were evaluated. </LI> <LI> Process efficiency was dependent on gas composition (model vs. real biogas). </LI> <LI> The gas permeation was steady in longer-terms using real biogas mixture. </LI> </UL> </P>
Nemestó,thy, Ná,ndor,Bakonyi, Pé,ter,Ró,zsenberszki, Tamá,s,Kumar, Gopalakrishnan,Koó,k, Lá,szló,Kelemen, Gá,bor,Kim, Sang-Hyoun,Bé,lafi-Bak Elsevier 2018 International journal of hydrogen energy Vol.43 No.41
<P><B>Abstract</B></P> <P>Lignocellulosic biofuel, in particular hydrogen gas production is governed by successful feedstock pretreatment, hydrolysis and fermentation. In these days, remarkable attention is paid to the use of ionic liquids to make the fermentable regions of lignocellulose biomass more accessible to the biocatalysts. Although these compounds have great potential for this purpose, their presence during the consecutive fermentation stage may pose a threat on process stability due to certain toxic effects. This, however, has not been specifically elaborated for dark fermentative biohydrogen generation. Hence, in this work, two common imidazolium-type ionic liquids (1-butyl-3-methylimidazolium acetate, ([bmim][Ac]) and 1-butyl-3-methylimidazolium chloride, ([bmim][Cl])) were employed in mixed culture biohydrogen fermentation to investigate the possible impacts related to their presence and concentrations. The batch assays were evaluated comparatively via the modified Gompertz-model based on the important parameters characterizing the process, namely the biohydrogen production potential, maximum biohydrogen production rate and lag-phase time.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The impact of imidazolium-type ionic liquids on biohydrogen formation was tested. </LI> <LI> The batch biohydrogen production process was evaluated kinetically. </LI> <LI> Both [bmim][Ac] and [bmim][Cl] affected the biohydrogen formation performance. </LI> <LI> The anion part of ionic liquids ([Ac]<SUP>-</SUP> vs. [Cl]<SUP>-</SUP>) demonstrated notable effect. </LI> </UL> </P>
Effects of anti-foaming agents on biohydrogen production
Sivagurunathan, Periyasamy,Anburajan, Parthiban,Kumar, Gopalakrishnan,Bakonyi, Pé,ter,Nemestó,thy, Ná,ndor,Bé,lafi-Bakó,, Katalin,Kim, Sang-Hyoun Elsevier 2016 Bioresource technology Vol.213 No.-
<P><B>Abstract</B></P> <P>The effects of antifoaming agents on fermentative hydrogen production using galactose in batch and continuous operations were investigated. Batch hydrogen production assays with LS-303 (dimethylpolysiloxane), LG-109 (polyalkylene), LG-126 (polyoxyethylenealkylene), and LG-299 (polyether) showed that the doses and types of antifoaming agents played a significant role in hydrogen production. During batch tests, LS-303 at 100μL/L resulted in the maximum hydrogen production rate (HPR) and hydrogen yield (HY) of 2.5L/L-d and 1.08mol H<SUB>2</SUB>/mol galactose<SUB>added</SUB>, respectively. The following continuously stirred tank reactor operated at 12h HRT with LS-303 at 100μL/L showed a stable HPR and HY of 4.9L/L-d and 1.17mol H<SUB>2</SUB>/mol galactose<SUB>added</SUB>, respectively, which were higher than those found for the control reactor. Microbial community analysis supported the alterations in H<SUB>2</SUB> generation under different operating conditions and the stimulatory impact of certain antifoaming chemicals on H<SUB>2</SUB> production was demonstrated.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Antifoaming agents types and dosages influence the hydrogen productivity. </LI> <LI> LS-303 and other agents at 100μL/L showed stimulatory effects on H<SUB>2</SUB> production. </LI> <LI> Increased cluster I <I>Clostridium</I> content at the low dosage attributed high H<SUB>2</SUB> yield. </LI> </UL> </P>
Bakonyi, Pé,ter,Kumar, Gopalakrishnan,Bé,lafi-Bakó,, Katalin,Kim, Sang-Hyoun,Koter, Stanislaw,Kujawski, Wojciech,Nemestó,thy, Ná,ndor,Peter, Jakub,Pientka, Zbynek Elsevier 2018 Bioresource technology Vol.270 No.-
<P><B>Abstract</B></P> <P>This review article focuses on an assessment of the innovative Gas Separation Membrane Bioreactor (GS-MBR), which is an emerging technology because of its potential for in-situ biohydrogen production and separation. The GS-MBR, as a special membrane bioreactor, enriches CO<SUB>2</SUB> directly from the headspace of the anaerobic H<SUB>2</SUB> fermentation process. CO<SUB>2</SUB> can be fed as a substrate to auxiliary photo-bioreactors to grow microalgae as a promising raw material for biocatalyzed, dark fermentative H<SUB>2</SUB>-evolution. Overall, these features make the GS-MBR worthy of study. To the best of the authors’ knowledge, the GS-MBR has not been studied in detail to date; hence, a comprehensive review of this topic will be useful to the scientific community.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A novel integrative system has been proposed for biohydrogen technology. </LI> <LI> Innovative Gas Separation Membrane Bioreactors are evaluated. </LI> <LI> Simultaneous biohydrogen production and separation is outlined. </LI> <LI> Gas separation membrane technology for CO<SUB>2</SUB> removal is suggested. </LI> <LI> Algae cultivation using the CO<SUB>2</SUB> removed and biohydrogen effluent is assessed. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Experimental study on the cyclic behaviour of bolted end-plate joints
Sándor Ádány,Luis Calado,László Dunai 국제구조공학회 2001 Steel and Composite Structures, An International J Vol.1 No.1
In this paper an experimental study is performed on end-plate type joints. The test arrangement represents a column-base joint of a steel frame. Altogether six specimens were tested, each of them subjected to cyclic loading. The specimens were carefully designed by performing detailed preliminary calculations so that they would present typical behaviour types of end-plate joints. On the basis of the experimentally established moment-rotation relationship, the cyclic characteristics of each specimen have been calculated and compared to one another. The results are evaluated, qualitative and quantitative conclusions are drawn.
A note on the inequality of means
J. Sándor 장전수학회 2014 Advanced Studies in Contemporary Mathematics Vol.24 No.2
We point out a family of refinement of the weighted arithmetic mean - geometric mean inequlity.
On some new Wilker and Huygens type trigonometric‐hyperbolic inequalities
J. Sándor 장전수학회 2012 Proceedings of the Jangjeon mathematical society Vol.15 No.2
The hyperbolic counterparts of the Wilker and Huygens trigonometric inequalities have been introduced by L. Zhu [5] and E. Neuman - J. S´andor [2]. Here we shall study certain new inequalities of Wilker and Huygens type, involving the trigonometric function sin x and the hyperbolic function sinh x. Multiplicative analogues of the stated inequalities are pointed out, too.
New Huygens and related trigonometric and hyperbolic inequalities
József Sándor 장전수학회 2017 Advanced Studies in Contemporary Mathematics Vol.27 No.2
We offer new Huygens, Wilker, Cusa-Huygens, Wu-Srivastava type inequalities, which improve the existing results in the literature.