نتایج جستجو برای: cntcarbon nano tubes

تعداد نتایج: 77429  

2013
Sudip Das

Carbon nanotubes, which consist of rolled graphene sheets built from sp hybridized carbon atoms, were reported to be discovered in 1991, and are now attracting researchers from various disciplines due to their alluring physico-chemical properties. The special nature of carbon combines with the molecular perfection of buckytubes to endow them with exceptionally high material properties such as e...

Due to the importance effect of magnetic field on the history of long-term radial and circumfer-ential creep strain and radial displacement for a three-phase nano-composite exposed to an internal pressure and placed uniform temperature, the present article subject has been pro-posed. Three-phase nano-composite made of single-walled carbon nano tubes (SWCNTs)/ glass fiber (GF)/vinylester used to...

Journal: :Stresses 2023

The Organization for Economic Co-operation and Development (OECD) has set widely used guidelines that are as a standardized approach assessing toxicity in number of species. Given various studies use different experimental setups, it is difficult to compare findings across them result the lack universally setup nano-ecotoxicology. For freshwater species, Daphnia magna, commonly filter feeding c...

Journal: :Physical review 2021

Analytic and numerical studies on curved magnetic nano-objects predict numerous exciting effects that can be referred to as magneto-chiral effects, which do not originate from intrinsic Dzyaloshinskii-Moriya interaction or interface-induced anisotropies. In constrast, these chiral stem isotropic exchange dipole-dipole interaction, present in all materials, acquire asymmetric contributions case ...

A. Khodadadi Darban R. Ahmadi

In this paper, size distribution of nano-bubbles was measured by the reliable and fast method of laser diffraction technique. Nano-bubbles were produced using a nano-bubble generator designed and made based on hydrodynamic cavitation phenomenon in Venturi tubes. A Central Composite Design with Response Surface Methodology was used to conduct a five factor, five level factorial experimental desi...

Journal: :Photonics 2022

This paper proposes a novel nano-sized refractive index sensor based on the Fano resonance phenomenon. The main structure consists of two short tubes metal-insulation-metal waveguide and an internal Z-ring resonator. authors used finite element approach to analyze nanoscale sensing performance system. Simulation results show that asymmetries in geometry will lead splitting. explicitly explores ...

Journal: :Chemical Engineering & Technology 2021

Chemical Engineering & TechnologyVolume 44, Issue 3 p. 373-373 Cover PictureFree Access Picture: Chem. Eng. Technol. 3/2021 First published: 19 February 2021 https://doi.org/10.1002/ceat.202170301AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text full-text accessPlease review our Terms and Conditions of Use check box below share v...

Journal: :Journal of physics 2023

Abstract This study proposes a novel technology to enhance heat transfer by combining nanofluid and helical grooved tubes. The researchers used two-step method obtain stable modified CuO nanofluid. They then constructed an experimental setup investigate the single-phase of in tube, compared its performance traditional methods under varying volume fractions Reynolds numbers. results indicate tha...

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