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Vitreous carbon

Effect of electropolymerisation conditions on the permeability of polyphenol films deposited on a vitreous carbon electrode

Effect of electropolymerisation conditions on the permeability of polyphenol films deposited on a vitreous carbon electrode

... Permeability Wastewater treatment a b s t r a c t Polymeric films were prepared from alkaline (NaOH) phenol aqueous solutions on a vitreous carbon (VC) electrode by potentiostatic or galvanostatic ...

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Influence of temperature and applied potential on the permeability of polyphenol films prepared on vitreous carbon in acid and alkaline media

Influence of temperature and applied potential on the permeability of polyphenol films prepared on vitreous carbon in acid and alkaline media

... Figure 2 shows polarization curves recorded for the vitreous carbon electrode in 1 mol L -1 NaOH aqueous solution at 85 °C (curve a) and 25 °C (curve b). Comparing cyclic voltammograms and Fig. 2 shows that ...

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Influence of temperature and applied potential on the permeability of polyphenol films prepared on vitreous carbon in acid and alkaline media

Influence of temperature and applied potential on the permeability of polyphenol films prepared on vitreous carbon in acid and alkaline media

... Successive cyclic voltammograms were recorded between 25 and 750 mV on a vitreous carbon electrode for phenol 5 mmol L -1 in 1 mol L -1 NaOH aqueous solution at 25 and 85 °C (Fig. 1 ). The first cycle ...

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Electropolymerization of phenol on a vitreous carbon electrode in alkaline aqueous solution at different temperatures

Electropolymerization of phenol on a vitreous carbon electrode in alkaline aqueous solution at different temperatures

... a b s t r a c t Electrochemical oxidation of phenol in basic aqueous solution has been studied on a vitreous carbon elec- trode at different temperatures in the range of 25–85 ◦ C by cyclic voltammetry and ...

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Electropolymerization of phenol on a vitreous carbon electrode in acidic aqueous solution at different temperatures

Electropolymerization of phenol on a vitreous carbon electrode in acidic aqueous solution at different temperatures

... on vitreous carbon by cyclic voltammetry and chro- amperometry in basic aqueous solution at temperatures comprised between 25 and 85 °C [ 41 ...(1) vitreous carbon electrode passivated as ...

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Effect of electropolymerisation conditions on the permeability of polyphenol films deposited on a vitreous carbon electrode

Effect of electropolymerisation conditions on the permeability of polyphenol films deposited on a vitreous carbon electrode

... Permeability Wastewater treatment a b s t r a c t Polymeric films were prepared from alkaline (NaOH) phenol aqueous solutions on a vitreous carbon (VC) electrode by potentiostatic or galvanostatic ...

9

Carbon–concentration and carbon–climate feedbacks in CMIP5 earth system models

Carbon–concentration and carbon–climate feedbacks in CMIP5 earth system models

... inorganic carbon chemistry and uses an extended NPZD-type description of marine biology in which phytoplankton and zooplankton dynamics depend on temperature, solar radiation, and colimiting ...

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Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... Mg 12x 2 y M M Al O x y 2 4 (M, M95Fe, Co, Ni) solid solu- entirely ruled out that some CNTs are open-ended and tions, it was shown [12,13] that the SSA of carbon is hence that their inner surface area contributes ...

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Carbon Cycle Uncertainty in REgional Carbon Cycle Assessment and Processes (RECCAP)

Carbon Cycle Uncertainty in REgional Carbon Cycle Assessment and Processes (RECCAP)

... ocean carbon transport) as a key component, but also, if Bayesian techniques are used, the inversions will bring in, as priors, other classes of estimate, each with their own model and classes of ...

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Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... CNTs. In particular, the catalytic decomposition of hydro- Owing to its nanometric diameter, a CNT has a very carbons or CO over metal nanoparticles, also called carbon large specific surface area (denoted as SSA ...

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Electrode surface treatment and electrochemical impedance spectroscopy study on carbon/carbon supercapacitors

Electrode surface treatment and electrochemical impedance spectroscopy study on carbon/carbon supercapacitors

... and carbon-carbon supercapacitor. Carbon-carbon superca- pacitors have larger frequency dispersion as compared to alu- minium electrolytic capacitors due to the porous nature of the ...for ...

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Synthesis and (some) applications of carbon-nanotube-supported pyrolytic carbon nanocones

Synthesis and (some) applications of carbon-nanotube-supported pyrolytic carbon nanocones

... the carbon species (PAH-containing droplets) where the deposition and carbonization processes take ...the carbon nanotubes have smaller diameters than ...the carbon nanotube surface forming a double ...

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Protecting Carbon Nanotubes from Oxidation for Selective Carbon Impurity Elimination

Protecting Carbon Nanotubes from Oxidation for Selective Carbon Impurity Elimination

... 41 carbon impurities were not eliminated from the CNT samples (D3 and ...or carbon impurities could still be observed, but the e fficiency of their removal is really ...the carbon impurities could be ...

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Carbon Nanotubes Integration on Silicon

Carbon Nanotubes Integration on Silicon

... 2016 Progress In Electromagnetic Research Symposium (PIERS), Shanghai, China, 8–11 August Carbon Nanotubes Integration on Silicon E. Dur´ an-Valdeiglesias 1 , W. Zhang 1 , H. C. Hoang 1 , C. Alonso-Ramos 1 , S. ...

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Quantifying Carbon Cycle Feedbacks

Quantifying Carbon Cycle Feedbacks

... terrestrial carbon uptake, but so is r (W m 22 K 21 ), because ocean heat uptake is less efficient for a faster increase in ra- diative forcing (Gregory and Forster ...cumulative carbon emissions (as noted ...

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Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols

Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols

... elemental carbon, while others produce particles of which 50% by mass is organic matter (Medalia and Rivin, ...elemental carbon, is an absolutely inert ma- terial under atmospheric ...the carbon atom ...

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2D Porous Polymers with sp2‐Carbon Connections and Sole sp2‐Carbon Skeletons

2D Porous Polymers with sp2‐Carbon Connections and Sole sp2‐Carbon Skeletons

... bromobiphenyl) metal-porphyrin complex (Figure 5c-1). [182] The resultant COPs were insoluble in common solvents and were amorphous because of the free distortion of phenyl rings in their monomer. For COP-P-Fe and ...

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Pathways of Organic Carbon Downward Transport by the Oceanic Biological Carbon Pump

Pathways of Organic Carbon Downward Transport by the Oceanic Biological Carbon Pump

... processes, carbon cycle, ecological process, biological carbon pump INTRODUCTION The oceanic biological carbon pump (BCP) is a complex mechanism regulating the Earth carbon (C) cycle by ...

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Polyethylene/carbon nanotubes composites

Polyethylene/carbon nanotubes composites

... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...

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Exploring low carbon futures.

Exploring low carbon futures.

... the Kyoto protocol, the European Commission set out the performation of carbon markets as a cornerstone of its mitigation strategy. To be acted upon, an indeterminate, ambiguous and uncertain future must somehow ...

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