نتایج جستجو برای: nanoscale

تعداد نتایج: 23864  

2006
Michelle Gower Jordi Cohen James Phillips Richard Kufrin Klaus Schulten

Experiences designing and deploying NAMD-G, an infrastructure for executing biomolecular simulations using the parallel molecular dynamics code NAMD within the context of a Computational Grid, are described. The effort is motivated by a general outline of the tasks involved in conducting research of this class as traditionally undertaken, followed by a description of the enhancements offered by...

2005
A. L. Cole R. N. Boyd M. E. Davis L. G. Thompson A. M. Davis R. S. Lewis E. Zinner

It has been suggested that ice cores may preserve detectable enhancements of some terrestrially rare radioisotopes, Be, Al, Cl, resulting from a near-Earth core-collapse supernova(SN) [1]. Both Be and Cl are also produced by atmospheric cosmic ray spallation and hence are influenced by processes that modulate the Earth’s cosmic ray flux. Previous studies [2], [3] have suggested that enhancement...

2016
Xin Wang Ling Xu Jian Ouyang Liqing Zhang Baoguo Han

Nano-TiO2 (NT) and nano-SiO2 (NS) were separately added in the cement paste to investigate the rheological property of fresh mixtures and mechanical strength in hardened state. The effects of different dosages and types of nano-particles on the properties of cement paste were studied. The results indicated that the rheological behavior of the fresh cement paste coincides with the Modified Bingh...

Journal: :Microelectronics Reliability 2015
Jean-Pierre Landesman C. Levallois Juan Jiménez F. Pommereau Yoan Léger A. Beck Thomas Delhaye A. Torres C. Frigeri A. Rhallabi

a Institut de Physique de Rennes, CNRS-UMR 6251, Université Rennes 1, F-35042 Rennes, France b UMR FOTON, CNRS, INSA-Rennes, F-35708 Rennes, France c GdS Optronlab, Dpto. Fisica de la Materia Condensada, Universidad de Valladolid, 47011 Valladolid, Spain d III-V Lab, Route de Nozay, F-91461 Marcoussis, France e OSUR, Plateforme NanoSIMS, Université Rennes 1, 35042 Rennes, France f Istituto CNR-...

2011
M. G. Mousa

In present work a experimental study based on thermosyphon is investigated using a solid nano-particles added to water as a working fluid. Tests are made on a thermosyphon. The experiment was performed in order to measure the temperature distribution and compare the heat transfer rate of the thermosyphon with the nano uid and with pure water. The tested concentration level of the nano-particles...

2015
Ruo-Zhou Li Anming Hu Rui Peng Uma Tumuluri Zili Wu

Please note that technical editing may introduce minor changes to the text and/or graphics, which may alter content. The journal’s standard Terms & Conditions and the Ethical guidelines still apply. In no event shall the Royal Society of Chemistry be held responsible for any errors or omissions in this Accepted Manuscript or any consequences arising from the use of any information it contains. ...

Journal: :Nano Comm. Netw. 2010
Dongqing Cai Hong Zhang Yi Tang Paul K. Chu Zengliang Yu Zhengyan Wu

Ion beam bombardment, as a unique and facile technique, was found and developed to fabricate nano-networks from rigid nano-rods. To study the differences of their characteristics, attapulgite (ATP)was chosen as amodel. The results ofmethylene blue adsorption performance investigation demonstrated that attapulgite nano-networks (ATP-N) have better adsorption capability than the attapulgite nano-...

2009
Christian Vollmer Frank E. Brenker Peter Hoppe Rhonda M. Stroud

IMAGING IN ACFER 094. Christian Vollmer, Frank E. Brenker, Peter Hoppe, and Rhonda M. Stroud. Max Planck Institute for Chemistry, Particle Chemistry Dept., Joh.-J.-Becherweg 27, D-55128 Mainz, Germany ([email protected]); Geoscience Institute/Mineralogy, Goethe-University Frankfurt, Altenhoeferallee 1, D-60438 Frankfurt, Germany; Naval Research Laboratory, Code 6360, Washington, DC, 20...

2009
Shangkar Mayanglambam Allen D. Malony Matthew J. Sottile

Multi-core accelerators offer significant potential to improve the performance of parallel applications. However, tools to help the parallel application developer understand accelerator performance and its impact are scarce. An approach is presented to measure the performance of GPU computations programmed using CUDA and integrate this information with application performance data captured with...

2003
A. Nguyen E. Zinner

Introduction: Grain size separate CG from the Murray CM2 carbonaceous chondrite contains mostly spinel grains of average diameter 0.5 μm [1]. Zinner et al. [2] found that approximately 1% of these spinel grains are of presolar origin as determined by their large O isotopic anomalies. These O isotopic measurements were made with the NanoSIMS on individual grains that were well separated from one...

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