Search results for "ESA"
showing 10 items of 11914 documents
Archiwum Kurii Diecezjalnej w Gliwicach. Stan obecny i zadania na przyszłość
2016
The article describes the issue with which the new diocese of Gliwice is contending. Since the very beginning of administration of the diocesan curia an archive has been functioning, which collects, stores and, if possible, makes gathered sources available. The division of archival documents keeps the office division worked out by Mr Józef Bonczol, the first worker of the Archive. Documents produced by departments and offices of curia are still the matter of competence of these departments, passing with time to the Archive as historic documentation. Since 2007 archive records gathered in parish archives have been taken care of the Archive. There is a growing interest in collections of paris…
Paesaggio vs Simulacro
2012
La città, soprattutto se osservata ad una certa distanza, comunica l’appartenenza a uno specifico progetto che è il risultato dell’attività costruttoria di una comunità insediata e si sostanzia in un diverso rapporto tra tessutoe architetture certe, e quest’ultime sono importanti perché generano riferimenti duraturi e condivisi. Quando a causa della lontananza il vedere dello sguardo si fa impreciso, sfumato e indeterminato, tutto appare più chiaro grazie al vedere del pensiero e della memoria. Le città nella loro realtà materiale, da lontano, si fondono con l’apparenza, un’apparenza ogni volta diversa, espressione della memoria collettiva di chi le abita. Ogni città è, allo stesso tempo, i…
L'Area dello Stretto tra prossimità e distanza
2016
Composta da entità autonome, distinguibili per morfologia, identità e storia, questa minuta porzione di mondo, pur nella ridotta dimensione dei suoi confini, ascrive i suoi contorni nelle rievocazioni del mito configurando nella sua riconoscibilità globale il paradosso di un’alternanza di opposizioni e convergenze che definiscono nella prossimità delle sue terre e nella distanza dei percorsi programmatici intrapresi al loro interno i significati chiave della sua stessa identità geografica. La moltitudine di termini con i quali nel tempo è stata individuata - comprensorio, conurbazione, regione, area, territorio - nel sottolineare l’indecisione verso la riconoscibilità di un soggetto unitari…
Città e campagna. Le aree di transizione come patrimonio comune
2014
Le aree agricole periurbane costituiscono un "patrimonio di risorse attive" dal quale il governo del territorio non può prescindere. Esse contribuiscono a delineare un paesaggio complesso il cui assetto è sottoposto alle pressioni della crescita insediativa e ai fenomeni di degrado delle periferie urbane e metropolitane. Da aree di margine, si configurano sempre di più come paesaggi di transizione tra i sistemi urbani e le aree extraurbane di interesse naturale. Si tratta di luoghi di confine, non soltanto in termini spaziali ed amministrativi ma anche sotto il profilo concettuale, che sovvertono le tradizionali regole di costruzione del territorio, imponendo una riformulazione delle catego…
Influence of annealing atmosphere on photoelectrochemical response of TiO2 nanotubes anodized under controlled hydrodynamic conditions
2021
[EN] The influence of three annealing atmospheres (air, nitrogen and argon) and the use of controlled hydrodynamic conditions (from 0 to 5000 rpm) on morphological, structural, chemical and photoelectrochemical properties of TiO2 nanotubes have been evaluated. For this purpose, different characterization techniques have been used: Field Emission Scanning Electron Microscopy, Raman Confocal Laser Spectroscopy, X-Ray Diffraction, X-Ray Photoelectron Spectroscopy, Incident Photon-to-electron Conversion Efficiency measurements, ultraviolet-visible absorption spectra, Mott-Schottky analysis and photoelectrochemical water splitting tests. According to the results, it can be concluded that both hy…
High Resolution Sorption Studies of Argon and Nitrogen on Large Crystals of Aluminophosphate AlPO4-5 AND ZEOLITE ZSM-5
1989
High resolution adsorption (HRADS) with argon and nitrogen at 77 K in the pressure range of 10−6 < p/p° < 0.5 were performed on large crystals of zeolite ZSM-5 (180 μm) and aluminophosphate AlPO4-5 (150 μm) using a novel volumetric device. Multi-step isotherms of both adsorptives on ZSM-5 could be observed for the first time. The adsorption followed by low temperature microcalorimetry resulted in distinct exothermic signals at the steps in the adsorption isotherms. Based on the results of atom-atom potential energy calculations (AAP) as well as independent model building it was shown that 24 ‘kinetic’ adsorbate molecules can be filled into a ZSM-5 unit cell. Experimental results are reasona…
High-resolution sorption studies of argon and nitrogen on large crystals of microporous zeolite ZSM-5
1989
High resolution adsorption (HRADS) with argon and nitrogen at 77 K were performed on large crystals of zeolite ZSM-5 using a novel volumetric device. Multi-step isotherms for both adsorptives could be observed for the first time. The micropore filling was followed by low temperature microcalorimetry. Exothermic heats of adsorption were found to be correlated with steps in the adsorption isotherms. Based on results from atom-atom potential energy calculations (AAP) as well as from independent model building it is shown that 24 kinetic adsorbate molecules can be situated in a ZSM-5 unit cell. Localized adsorption is presented as possible filling mechanisms. Experimental results are reasonably…
Measurements of transition probabilities for two N I infrared transitions and their application for diagnostics of low temperature plasmas
2010
Abstract Spectra emitted from a wall-stabilized arc, running in a gas mixture of helium, argon, nitrogen, oxygen and traces of hydrogen have been studied. Intensities of selected spectral transitions of neutral nitrogen and oxygen have been measured. Applying the Boltzmann plot method and using a reliable set of O I transition probabilities of spectral lines, originating from levels considerably spread in excitation energies, the temperatures of arc plasmas have been determined. Line intensities of two N I infrared transitions, originating from doubly excited terms 3p′ 2 F o and 3p′ 2 G have been measured. In order to obtain the corresponding transition probabilities ( A ki ) for these line…
<title>Electrochromism in oxyfluoride thin films</title>
1994
Oxyfluoride films based on W and Ti were prepared by reactive sputtering in plasmas containing O2 + CF4. The deposition rate was large, particularly when chemical sputtering was promoted by heating the target. The films could show large charge insertion/extraction, high coloration efficiency, and good cycling durability.© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Confident methods for the evaluation of the hydrogen content in nanoporous carbon microfibers
2012
Abstract Nanoporous carbon microfibers were grown by chemical vapor deposition in the vapor-liquid solid mode using different fluid hydrocarbons as precursors in different proportions. The as-grown samples were further treated in argon and hydrogen atmospheres at different pressure conditions and annealed at several temperatures in order to deduce the best conditions for the incorporation and re-incorporation of hydrogen into the microfibers through the nanopores. Since there are some discrepancies in the results on the hydrogen content obtained under vacuum conditions, in this work, we have measured the hydrogen content in the microfibers using several analytical methods in ambient conditi…