نتایج جستجو برای: nanostructure materials

تعداد نتایج: 439564  

Journal: :transport phenomena in nano and micro scales 2015
l. saeednia h. hashemipour d. afzali

the main objective of this paper is to examine the effect of nanomaterials on mass transfer coefficient in bubble type absorption of carbon dioxide by experiment. the absorption process is carried out in a bubble column and in room temperature. mass transfer coefficient, saturated concentration of co2, and gas holdup are determined in this system. the kinds of nanomaterials, the concentrations ...

2014
Nam Dong Kim Gilberto Casillas Robert P. H. Chang

wileyonlinelibrary.com internal/external surface sites of the nanostructure. Thus, the big challenge is in the nanostructure architecture where all of these parameters need to be optimized simultaneously. For the case of a supercapacitor, the nanostructure material is used as the framework to store and transport charges between two parallel electrodes. A conventional supercapacitor usually cons...

2014
A. A. El-Meligi

The application of nanotechnology in the field of corrosion protection of metals and alloys attracts the attention of researchers. Many of these applications require good understanding of the corrosion behavior of the materials as a function of microstructure. Significant prog‐ ress has been made in various aspects of synthesis of nano-scale materials. In addition, nanostructures promote select...

2013
Xiaobo Wang Ningbo Yang Qi Xu Chun Mao Xiaomei Hou Jian Shen

Superhydrophobic poly(methylmethacrylate) (PMMA) surface with nanostructure was prepared effectively via phase separation and selective solvent method. It is proposed that the cooperation of the nanostructure of PMMA surface and the surface group reorientation leads to the superhydrophobicity of PMMA surface. The superhydrophobic PMMA surface with nanostructure was characterized by scanning ele...

Journal: :European Physical Journal-special Topics 2022

This special issue presents scientific results related to recent developments on the link between functionality and structure in micro- nano-structured materials. The main singularity of our collection is that we proposed bring together know-how several disciplines (physics, mechanics chemistry) for a trans-disciplinary discussion multi-scaled properties nanostructured systems. We put different...

2011
Mohammed-Amin Alubaidy Krishnan Venkatakrishnan Bo Tan

In this study, we report formation of weblike fibrous nanostructure and nanoparticles of magnetic neodymium-iron-boron (NdFeB) via femtosecond laser radiation at MHz pulse repetition frequency in air at atmospheric pressure. Scanning electron microscopy (SEM) analysis revealed that the nanostructure is formed due to aggregation of polycrystalline nanoparticles of the respective constituent mate...

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