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–419. 3 Karasek, M.: Melatonin, human aging and age-related diseases. Exp. Gerontol., 2004, 39 (11–12), 1723–1729. 4 Miller, J. F.: The golden anniversary of the

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Abstract  

It is well known that SiO2 -based inorganic-organic hybrid materials present significant differences due to the organic moieties bound to the inorganic network and to the preparation conditions. In the present work the ageing effect on the thermal stability of the SiO2 -based inorganic-organic hybrid materials prepared using tetraethoxysilan (TEOS), triethoxymethylsilan (MTEOS), triethoxyvinylsilan (VTEOS), tetramethoxysilan (TMOS), trimethoxymethylsilan (MTMOS) and trimethoxyvinylsilan (VTMOS) was studied. TG/DTA-MS was used to study the decomposition process of the materials. The structural modifications of the materials during ageing were studied using spectral methods. The gels obtained starting with more reactive alkoxides, of methoxy-type, present more complex structures and are less stable during ageing.

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Introduction Cracking in the early age concrete often results from restrained volume changes due to temperature change during the hydration. Cracking may reduce the concrete durability against aggressive substance as well as

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Abstract  

The epistemological shift represented by postmodernism and its aftermath has liberated Medieval Studies infusing the field with energetic and controversial studies that have made the field one of the more vigorous (and interesting) in the humanities. Play, humor, relativism, indeterminacy, differential repetition (multiple copies as opposed to an original), performative mimesis, postcolonialism, gender, sexuality, and other concepts associated with postmodern sensibility configure contemporary medieval studies in radically different ways from those of earlier paradigms. These studies undertake to define “a new Middle Ages.” This is not the neomedievalism of late modernism that Umberto Eco described a few years ago. It is rather the period itself, stretching from roughly the 3rd century to the beginning of the 16th century C.E. The contemporary fascination with a period so different from our own, so radically “other,” points to a sense that, despite its alterity — or perhaps because of it — the Middle Ages have something important to tell us about ourselves and our age. It would be difficult to deny the role that popular culture — the many films, books, television shows and other mediatic phenomena — has played both in popularizing and in liberating medieval studies. Besides a flexible approach, these studies also share with popular culture a fascination with the historical context, but in ways only found in the best fiction and film go further to discover means of demonstrating what the historical artifact has to communicate to us: how, for example, it can interrogate or confirm the insights opened by new intellectual paradigms. They show that the challenge lies in finding a way to connect the mind and the world not only for the historical material, but also for the contemporary scene. This article will explore some recent examples of writing the new Middle Ages.

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Journal of Behavioral Addictions
Authors:
Roser Granero
,
Fernando Fernández-Aranda
,
Susana Valero-Solís
,
Amparo del Pino-Gutiérrez
,
Gemma Mestre-Bach
,
Isabel Baenas
,
S. Fabrizio Contaldo
,
Mónica Gómez-Peña
,
Neus Aymamí
,
Laura Moragas
,
Cristina Vintró
,
Teresa Mena-Moreno
,
Eduardo Valenciano-Mendoza
,
Bernat Mora-Maltas
,
José M. Menchón
, and
Susana Jiménez-Murcia

population as a result of the prevalent ease accessibility to gambling platforms and the increase in the opportunity to gamble ( Suissa, 2015 ). Furthermore, there is an awareness of the high-vulnerability of two age groups for the onset and intensification

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–1059. Hussain, A. A., Starita, C., Hodgetts, A., et al.: Macromolecular diffusion characteristics of ageing human Bruch’s membrane: implications for age-related macular degeneration (AMD). Exp. Eye Res., 2010, 90 (6), 703

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Introduction Levels of inflammatory cytokines increase with increasing age [ 1 ]. This phenomenon has been termed age-associated chronic inflammation (CI), or inflammaging [ 2 ]. Although the primary driver of CI is not known, proposed mechanisms

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A kognitív idegtudomány elmúlt 30 éve

Cognitive neuroscience in Hungary: 30 years

Magyar Pszichológiai Szemle
Author:
István Czigler

separate objects: an ERP study of target-shooters and control participants . International Journal of Psychophysiology , 31 ( 1 ), 77 – 87 . 10.1016/S0167-8760(98)00045-2 Czigler , I ., & Balázs , L . ( 2005 ). Age-related effects

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Journal of Behavioral Addictions
Authors:
Hideki Nakayama
,
Fumihiko Ueno
,
Satoko Mihara
,
Takashi Kitayuguchi
, and
Susumu Higuchi

use and to avoid misuse, many schools educate students on Internet usage, and some educational institutions provide lectures and learning materials via the Internet. In 2001, 49.2% of Japanese children aged 6–12-year-used Internet services ( Japan

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funerary context. 7 I have already mentioned that our current knowledge of the later stages of the Hallstatt Age in southern Transdanubia is quite limited, and also, it is mainly confined to burials. Set aside the invaluable example of the settlement

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