Browsing Research Output by Title
Now showing items 4064-4083 of 13384
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Ekonomiese waarde van groen ruimtes: Suid-Afrika in kontras met Europa
(SUN MeDIA Bloemfontein, 2013)Die toenemende tempo van wêreldwye verstedeliking veroorsaak (onder andere) dat groen ruimtes verwaarloos word en soms opgeoffer word. Stedelike gebiede word hoër gewaardeer as groen ruimtes, omdat stedelike gebiede gemeet ... -
The elaboration of a demarcation criterion in Reformational philosophy
(Sun Media Bloemfontein, 2011)The elaboration of a demarcation criterion in reformational philosophy Contemporary philosophy of science has struggled considerably over an apparently simple question: how does one distinguish between scientific and ... -
An elderly, urban population: their experiences and expectations of pharmaceutical services in community pharmacies
(AOSIS, 2017)Objective: The aim of this study was to determine the pharmaceutical services experiences of an elderly, urban population in relation to their expectations in community pharmacy. Design: and setting: The study was a ... -
Eleazar - the honor of death: Eleazar's death within the perspective of honor and shame
(University of Johannesburg, 2011)Martyrdom has become 'n focal point in recent decades. Although many aspects of martyrdom have been studied, the aspect of honor and shame is yet to be fully explored. This article aims to take a fresh look at martyrdom, ... -
Electrical circuit modelling of double layer capacitors for power electronics and energy storage applications: a review
(MDPI, 2018)There has been increasing interests in the use of double layer capacitors (DLCs)—most commonly referred to as supercapacitors (SCs), ultra-capacitors (UCs), or hybrid capacitors (HCs)—in the field of power electronics. ... -
Electrical resistivity of carbonaceous bed material at high temperature
(Springer Verlag, 2020)This study reports the effect of high-temperature treatment on the electrical properties of charcoal, coal, and coke. The electrical resistivity of industrial charcoal samples used as a reducing agent in electric arc ... -
Electrocatalytic oxidation of Epinephrine and Norepinephrine at metal oxide doped phthalocyanine/MWCNT composite sensor
(Nature Publishing Group, 2016)Glassy carbon electrode (GCE) was modified with metal oxides (MO?=?Fe3O4, ZnO) nanoparticles doped phthalocyanine (Pc) and functionalized MWCNTs, and the electrocatalytic properties were studied. Successful synthesis of ... -
Electrocatalytic process for ammonia electrolysis: a remediation technique with hydrogen co-generation
(ESG, 2016)Alkaline ammonia electrocatalysis offers a favorable technique for hydrogen generation and simultaneous conservation of environmental sustainability. In this work, the electrooxidation of ammonia on platinum-Iridium (Pt-Ir) ... -
An electrochemical and theoretical comparison of ionic transport through a polystyrene based titanium-vanadium (1:2) phosphate membrane
(Elsevier, 2011)Ionic potentials were measured across polystyrene based titanium–vanadium (1:2) phosphate membranes with 1:1 electrolytes at different concentrations. These observed values are found to compare well with membrane potentials ... -
Electrochemical and Theoretical Studies on Amino Phosphonates as Efficient Corrosion Inhibitor for N80 Steel in Hydrochloric Acid Solution
(ESG, 2014)Amino phosphonate compounds, namely, dimethyl-(4-methoxyphenyl) (phenylamino) methyl phosphonate (DMMP) and dimethyl phenyl (phenylamino) methylphosphonate (DPMP) were synthesized and studied as inhibitors for N80 steel ... -
Electrochemical and Thermodynamic Investigation of Nitrofurantoin as Effective Corrosion Inhibitor for Mild Steel in 1M Hydrochloric Acid Solution
(ESG, 2014)In present study corrosion inhibition property of (E)-1-[(5-nitro-2furyl) methylideneamino] imidazolidine-2, 4-dione (Nitrofurantoin) in 1M HCl was investigated using weight loss, electrochemical impedance spectroscopy and ... -
Electrochemical characterization and oxygen reduction kinetics of Cu-incorporated cobalt oxide catalyst
(ESG, 2016)Electrochem ical characterization of Cu incorporated cobalt oxide is carried out and oxygen reduction reaction (ORR) activity also determined at different catalyst loadings (CLs), using thin film rotating ... -
Electrochemical detection of dopamine using green and chemical synthesized CuO/PANI nanocomposite modifed electrode
(Springer, 2023)Copper oxide (CuO) nanoparticles were synthesized using the chemical and green method routes and doped with polyaniline (PANI) to form PANI/CuOch and PANI/CuOgr nanocomposite. The microstructural properties of the ... -
Electrochemical detection of epinephrine using polyaniline nanocomposite films doped with TiO2 and RuO2 nanoparticles on multi-walled carbon nanotube
(Elsevier, 2017)Electrochemical properties of functionalized MWCNT/polyaniline doped with metal oxide (TiO2, RuO2) nanoparticles were explored. Successful synthesis of MWCNT, TiO2, RuO2, PANI, MWCNT-PANI-TiO2, and MWCNT-PANI-RuO2 nano ... -
Electrochemical detection of phenanthrene using nickel oxide doped PANI nanofiber based modified electrodes
(Hindawi Publishing Corporation, 2016)A nickel oxide doped polyaniline nanofibers (PANI-NiO) based electrochemical sensor was constructed for detection of phenanthrene. Successful synthesis of PANI-NiO nanocomposite was confirmed with techniques such as SEM, ... -
Electrochemical determination of serotonin in urine samples based on metal oxide nanoparticles/MWCNT on modified glassy carbon electrode
(Elsevier, 2017)The electrochemical response of serotonin on the modified electrode based on multiwalled-carbon-nanotube (MWCNT) doped respectively with nickel, zinc and iron oxide nanoparticles coating on glassy carbon electrode (GCE) ... -
Electrochemical investigation of substituted aniline, melamine and formaldehydebBased terpolymers as effective corrosion inhibitors for mild steel in 1M hydrochloric acid solution
(ESG, 2014)Three Terpolymers TERP-1, TERP-2 and TERP-3 were synthesized using melamine, formaldehyde and substituted aniline and their inhibitive action on corrosion of mid steel in 1M HCl was studied using electrochemical impedance ... -
Electrochemical response of nitrite and nitric oxide on graphene oxide nanoparticles doped with Prussian blue (PB) and Fe2O3 nanoparticles
(Royal Soc Chemistry, 2015)Electrocatalytic behaviour of graphene oxide (GO), iron(III) oxide (Fe2O3) and Prussian blue (PB) nanoparticles and their nanocomposite towards nitrite (NO2−) and nitric oxide (NO) oxidation in neutral and acidic media ... -
An electrochemical study of carbon dioxide electroreduction on gold-based nanoparticle catalysts
(Elsevier, 2014)We report here on an electrochemical study of carbon dioxide electroreduction (CO2ER) employing electrochemical impedance spectroscopy (EIS) and a rotating ring-disk electrode (RRDE) on different gold based catalysts, ... -
Electrochemical Study of Pyrene on Glassy Carbon Electrode Modified with Metal-Oxide Nanoparticles and Graphene Oxide/Multi-Walled Carbon Nanotubes Nanoplatform
(Trans Tech Publications, 2016)This work describes and compares the electron transport and electrocatalytic properties of chemically synthesised cobalt oxide (Co3O4) and nickel oxide (NiO) nanoparticles grafted onto graphene oxide (GO)/acid treated ...