نتایج جستجو برای: electrochemical study

تعداد نتایج: 4011367  

The main objective of this study is removal of pathogenic bacteria using electrochemical process. The bactericidal effects of electrochemical system containing steel mesh electrode were evaluated from contaminated water with E. coli, Pseudomonas aeroginosa, Staphylococcus aureous and Streptococcus fecalis at various concentrations. Effect of current density, supporting electrolyte and pathogeni...

Journal: :Journal of Analytical Methods in Chemistry 2013

Journal: :journal of physical & theoretical chemistry 2014
hossein tajabadipour mehdi shahidi nima karachi

vanillin is an interesting corrosion inhibitor because of its safe use and high solubility inwater. the effect of vanillin on the corrosion inhibition of carbon steel in 1.0 mhydrochloric acid solution has been studied using potentiodynamic polarization,electrochemical impedance spectroscopy (eis) and electrochemical noise (en) techniques.the effect of temperature on the rate of corrosion in th...

ژورنال: سلامت و محیط زیست 2015
احسانی, علی, سبزی, رضا, صحت نیا, بهارک, مناف فر, رامین,

Background and Objectives: Polycyclic aromatic hydrocarbons (PAHs) are widespread environmental contaminants in aquatic environments. These contaminants are generated through oil spills, manufactory processes, and industrial wastes or naturally through the incomplete combustion of coal, oil, gas, and wood waste. Most of these compounds are noted as carcinogenic and mutagenic. Therefore, detecti...

Journal: :journal of ultrafine grained and nanostructured materials 2014
najmeh asadi reza naderi mohsen saremi flavio deflorian

this work is aimed to evaluate the role of nanoclay in the protective performance of an eco-friendly silane sol-gel layer applied on mild steel substrate in 0.1m sodium chloride solution. at the first step, the effect of ph of the silane solution, consisting of a mixture of γ-glycidoxypropiltrimethoxysilane and methyltriethoxysilane and tetraethoxysilane, on the coating performance was evaluate...

2001
Makoto Takagi

Electrochemical labeling of double-stranded (ds) DNA is achieved by redox-active DNA intercalators. Threading intercalators derived from naphthalenediimide appended with ferrocene reporter group in the side arms are particularly useful for this purpose. This allows a sensitive electrochemical detection of DNA hybridization on an array, providing a great potential for low-cost, high-throughput, ...

Journal: :journal of petroleum science and technology 2013
mostafa dehghani mobarake ramin karami

in the present study, a new gas diffusion electrode (gde) (based on pt/nafion membrane) is fabricated. the electrochemical results show that the new gde has the highest electrochemical activity toward the oxygen reduction reaction (orr) among the three electrodes. the sem and xrd findings show that a platinum layer can be attached to nafion membrane closely and firmly with a strong peak corresp...

Journal: :physical chemistry and electrochemistry 0
ramineh medhat department of materials science and engineering, shiraz university, shiraz, iran mahmoud pakshir department of materials science and engineering, shiraz university, shiraz, iran khashayar morshed behbahani department of materials science and engineering, shiraz university, shiraz, iran pooria najafisayar department of materials science and engineering, shiraz university, shiraz, iran

in this study, the effects of forming method (extrusion) and environmental factors (solution ph and temperature) on the corrosion performance of az91 magnesium alloys were investigated using potentiodynamic polarization, electrochemical impedance spectroscopy (eis), scanning electron microscopy (sem) and salt spray techniques. the polarization test results of the specimens showed that simple sh...

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