نتایج جستجو برای: storage medium

تعداد نتایج: 415009  

2014
Luigi Sportiello Stefano Zanero

Because files are typically stored as sequences of data blocks, the file carving process in digital forensics involves the identification and collocation of the original blocks of files. Current file carving techniques that use the signatures of file headers and footers could be improved by first classifying each data block in the storage media as belonging to a given file type. Unfortunately, ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Emre Gençer Dharik S Mallapragada François Maréchal Mohit Tawarmalani Rakesh Agrawal

We introduce a paradigm-"hydricity"-that involves the coproduction of hydrogen and electricity from solar thermal energy and their judicious use to enable a sustainable economy. We identify and implement synergistic integrations while improving each of the two individual processes. When the proposed integrated process is operated in a standalone, solely power production mode, the resulting sola...

Journal: :The Journal of chemical physics 2006
Xiaojun Wu J L Yang X C Zeng

Adsorption of hydrogen molecules on platinum-doped single-walled zigzag (8,0) boron nitride (BN) nanotube is investigated using the density-functional theory. The Pt atom tends to occupy the axial bridge site of the BN tube with the highest binding energy of -0.91 eV. Upon Pt doping, several occupied and unoccupied impurity states are induced, which reduces the band gap of the pristine BN nanot...

Journal: :Nature materials 2008
Kamal Asadi Dago M de Leeuw Bert de Boer Paul W M Blom

New non-volatile memories are being investigated to keep up with the organic-electronics road map. Ferroelectric polarization is an attractive physical property as the mechanism for non-volatile switching, because the two polarizations can be used as two binary levels. However, in ferroelectric capacitors the read-out of the polarization charge is destructive. The functionality of the targeted ...

2016
Pavani Yashodha De Silva Gamage Upeksha Ganegoda

With the exponential growth in the capacity of information generated and the emerging need for data to be stored for prolonged period of time, there emerges a need for a storage medium with high capacity, high storage density, and possibility to withstand extreme environmental conditions. DNA emerges as the prospective medium for data storage with its striking features. Diverse encoding models ...

2011
Pawan Dahiya

The need for reliable, powerful, and clean power generation in power systems is becoming more importance. This need requires geographically-distributed power systems to be integrated as a single entity where among the main features of this integration are large data base and computing intensive. Hence the current power systems are not able to handle this huge datasets required for that integrat...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Yang Yun Xiaoding Ma Jing Gui Esteban Broitman Andrew J Gellman

The oxidation kinetics of a-CHx overcoats during exposure to oxygen and water vapor have been measured using X-ray photoemission spectroscopy (XPS) in an apparatus that allows oxidation and analysis of freshly deposited a-CHx overcoats without prior exposure of the overcoats to air. The uptake of oxygen on the surfaces of the a-CHx overcoats has been measured at O2 and H2O pressures in the rang...

2016
Konstantina Saranti Sultan Alotaibi Shashi Paul

The work described in this paper focuses on the utilisation of silicon nanowires as the information storage element in flash-type memory devices. Silicon nanostructures have attracted attention due to interesting electrical and optical properties, and their potential integration into electronic devices. A detailed investigation of the suitability of silicon nanowires as the charge storage mediu...

Journal: :Nano letters 2007
Sheng Meng Efthimios Kaxiras Zhenyu Zhang

We investigate the potential for hydrogen storage of a new class of nanomaterials, metal-diboride nanotubes. These materials have the merits of a high density of binding sites on the tubular surfaces without the adverse effects of metal clustering. Using the TiB2 (8,0) and (5,5) nanotubes as prototype examples, we show through first-principles calculations that each Ti atom can host two intact ...

Journal: :Studies in health technology and informatics 2008
Claudia Hildebrand Peter Pharow Bernd Blobel

Communication and co-operation processes in healthcare and welfare require the involvement of all parties involved, including health professionals as well as patients. Generally, professionals can and will easily communicate via trusted health networks. To enforce both communication and co-operation between professionals and patients and to guarantee the required degree of involvement of patien...

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