نتایج جستجو برای: functionalization multi walled

تعداد نتایج: 485269  

ژورنال: طلوع بهداشت یزد 2014
احرام پوش, محمد حسن , اسماعیلی, حبیب الله , امراللهی, محسن, سلیمانی خمارتاش , قربان, علیدادی, حسین , قانعیان, محمد تقی , نجف پور, علی اصغر,

Abstract Introduction: The heavy metals are the most important pollutant that their concentration in environment is increasing with cities and industrials developing. One of this metals is chromium that in the trivalent and hexavalent oxidation state used in industries such as electroplating, glass, ceramic, tannery and leather. Hexavalent chromium has proven several health hazards such as a c...

Journal: :iranian journal of health sciences 0
soheil sobhanardakani department of the environment, school of basic sciences, hamedan branch, islamic azad university, hamedan, iran raziyeh zandipak young researchers & elite club, hamedan branch, islamic azad university, hamedan, iran

background and purpose:the presence of dyes in wastewaters may cause serious problems for the environment because of their high toxicity to aquatic organisms and unfavorable aesthetical impact. in the present study, multi-walled carbon nanotubes (mwcnts) were used for removal of anionic dyes direct blue 106 (db106) and acid green 25 (ag25), from water samples. materials and methods:mwcnts were ...

Journal: :Journal of Physics D 2022

Abstract Multi-walled carbon nanotubes (MWCNTs) directly grown on a stainless steel mesh were functionalized using fast, solvent-free radiofrequency (RF) plasma technique. Two different gas mixtures of Ar/C 2 H 6 /O and /N used to add oxygen- nitrogen-containing functional groups the surface MWCNTs. The binder-free forest-like MWCNTs before after functionalization tested as supercapacitor elect...

Journal: :Nanoscale 2013
Masayasu Nishi Takahiro Ohkubo Kazuma Tsurusaki Atsushi Itadani Bashir Ahmmad Koki Urita Isamu Moriguchi Shigeharu Kittaka Yasushige Kuroda

We shed light on the specific hydration structure around a zinc ion of nanosolution restricted in a cylindrical micropore of single-wall carbon nanotube (SWNT) by comparison with the structure restricted in a cylindrical mesopore of multi-wall carbon nanotube (MWNT) and that of bulk aqueous solution. The average micropore width of open-pore SWNT was 0.87 nm which is equivalent to the size of a ...

2012
Ali Aldalbahi Jin Chu Peter Feng Marc in het Panhuis

Conducting composite films containing carbon nanotubes (CNTs) were prepared by using the biopolymer kappa-carrageenan (KC) as a dispersant. Rheological studies indicated that 0.5% w/v was the appropriate KC concentration for dispersing CNTs. Our results showed that multiwalled nanotubes (MWNTs) required less sonic energy than single-walled nanotubes (SWNTs) for the dispersion process to be comp...

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