Results 21 to 30 of about 125,299 (314)

Spring and Its Global Echo: Quantitative Analysis

open access: yesСравнительная политика, 2017
It is shown that the Arab Spring acted as a trigger for a global wave of socio-political destabilization, which signifi cantly exceeded the scale of the Arab Spring itself and affected absolutely all world-system zones.
A. V. Korotayev   +3 more
doaj   +1 more source

Discrepancies Between Free Vibration of FML and Composite Cylindrical Shells Reinforced by CNTs [PDF]

open access: yesMechanics of Advanced Composite Structures, 2019
In this study, discrepancies between the free vibration of fiber-metal laminate (FML) and composite cylindrical shells reinforced by carbon nanotubes (CNTs) based on Love’s first approximation shell theory have been considered by beam modal function ...
Masood Mohandes, Ahmad Reza Ghasemi
doaj   +1 more source

Effect of carbon nanotube (CNT) functionalization in epoxy-CNT composites [PDF]

open access: yesNanotechnology Reviews, 2018
Abstract The effect of carbon nanotube (CNT) functionalization in altering the properties of epoxy-CNT composites is presented. The presence of functional groups effectively influenced the colloidal behavior of CNTs in the precursor epoxy resin and the hardener triethylenetetramine (TETA), which affected the synthesis process and ...
Roy Sagar   +2 more
openaire   +3 more sources

Simulation and Heat Treatment Process of Carbon Nanotube Modified Aluminum Alloy (ZL105) [PDF]

open access: yesArchives of Foundry Engineering, 2023
To further improve the mechanical properties of carbon nanotubes (CNTs) modified aluminum alloy (ZL105), the first principle was used to build the atomic structure of the alloy system and the alloy system was simulated by the VASP.
Ziqi Zhang   +5 more
doaj   +1 more source

Poly(acrylamide)-MWNTs hybrid hydrogel with extremely high mechanical strength

open access: yesOpen Chemistry, 2016
Poly(acrylamide)-multiwalled carbon nanotubes (PAAm-MWNTs) hybrid hydrogels were prepared through the radiation-induced polymerization and crosslinking of the aqueous solution of acrylamide and well-dispersed MWNTs for the first time.
Feng Huanhuan   +3 more
doaj   +1 more source

A facile method to synthesize nZVI-doped polypyrrole-based carbon nanotube for Ag(i) removal

open access: yesNanotechnology Reviews, 2023
The pollution of silver ion (Ag(i)) has become a serious environmental threat and hazard to ecosystem and human health. Thus, the nanoscale zero valent iron (nZVI)-doped polypyrrole-based carbon nanotube (nZVI/CNT) composites were synthesized by a facile
Zhang Wen-Juan   +5 more
doaj   +1 more source

It's porin' CNTs [PDF]

open access: yesNature Methods, 2014
Lipid-coated carbon nanotubes can insert themselves spontaneously into lipid bilayers and live-cell membranes.
openaire   +2 more sources

Carbon Nanotubes (CNTs) from Synthesis to Functionalized (CNTs) Using Conventional and New Chemical Approaches

open access: yesJournal of nanomaterials, 2021
Carbon nanotubes (CNTs) have emerged worldwide because of their remarkable properties enlarging their field of applications. Functionalization of CNTs is a convenient strategy to tackle low dispersion and solubilization of CNTs in many solvents or ...
Lakhdar Sidi Salah   +5 more
semanticscholar   +1 more source

Carbon nanotubes: a review on green synthesis, growth mechanism and application as a membrane filter for fluoride remediation

open access: yesGreen Chemistry Letters and Reviews, 2021
In most African rural communities, ground water is the primary source of drinking water. Fluoride is a harmful substance found in ground water that causes serious health problems.
Bayisa Meka Chufa   +3 more
doaj   +1 more source

METAL-CNT CONTACTS

open access: yesExtended Abstracts of the 2014 International Conference on Solid State Devices and Materials, 2014
To realize carbon nanotube (CNT) as on-chip interconnect materials, the contact resistance stemming from the metal-CNT interface must be well understood and minimized. In this study, we compile existing published results and understanding for two metal-CNT contact geometries, sidewall or side contact and end contact, and address their key performance ...
Wilhite, Patrick   +2 more
openaire   +2 more sources

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