surface oxidation
An Electrochemical Study of Surface Oxidation and Collectorless Flotation of Pyrite
... its surface oxidation and natural hydrophobicity play an important role in determining flotation performance for many minerals, particularly for sulfides and ...the surface oxidation of fresh ...
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Relationship between Surface Characteristics and Floatability in Representative Sulfide Minerals: Role of Surface Oxidation
... of surface oxidation, the tests were conducted at both acid and basic conditions ...all surface property and floatability evaluations, the pH and Eh were ...The surface properties were ...
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Electrochemical study on Surface Oxidation of Natural Pyrite in Ferric Sulfate Solution
... Surface oxidation of natural massive pyrite in ...pyrite oxidation was strengthened with the addition of ferric ...electrochemical oxidation on pyrite and their interaction ...of ...
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Gas-phase surface oxidation and chlorination of carbon nanotubes
... of oxidation of MWCNT paper treated with UV and VUV photo-oxidation [71] (Figure 11), a lower oxygen concentration for MWCNT paper using UV photo-oxidation ...photo- oxidation with wavelengths ...
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Surface Oxidation of Al-Pd-Mn and Al-Cu-Fe Alloys
... vacuum surface analytical techniques to the study of the oxidation of Al-Pd-Mn and Al-Cu-Fe quasicrystals is ...various oxidation environments are made for each material as well as for a cubic phase ...
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Surface oxidation of a quasicrystalline Al–Cu–Fe alloy: No effect of surface orientation and grain boundaries on the final state
... The results are shown in Table II. Comparing values in the left and right columns serves to compare results from the two XPS techniques. It can be seen that there is agreement, with 95% confidence, in all cases. This ...
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Cesium Neutral Beam and Surface Oxidation Effects on SIMS Analysis at Surface of Silicon
... The depth profile experimental conditions prescribed by Intel’s best known method (BKM) SIMS depth profiling procedure for analysis of P was modified to provide a more detailed measure of the P secondary ion intensity at ...
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Synthesis of Silica Coated Magnetic Nanoparticles
... The magnetic hysteresis of silica coated samples is correlated with uncoated one in Figure. 4. It is clear that in all samples any appreciable hysteresis can be seen. According to the size of magnetic nanoparticles, this ...
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Ultrathin Zn and ZnO films on Cu(111) as model catalysts
... causes surface oxidation even at room temperature as observed by AES ...upon oxidation treatments at 350 and 400 ...by oxidation at 450 K, and the original domain structure is no longer ...
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Adsorption at interfaces : electrodeposition & capillary condensation
... These initial investigations of the effect of the sulfate and tosylate ions on the surface oxidation of zinc metal are contributing to an ongoing investigation of ulfonate-based corrosio[r] ...
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Surface Topography Designed to Provide Osteoconductivity to Titanium after Thermal Oxidation
... the surface of the titanium, implying a crystalline phase and a number of hydroxyl groups, which is changed by thermal ...The oxidation of the substrate surface through heat treatment at around 400 C ...
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Electrochemical Analysis of Galena Reactivity in Typical Physicochemical Conditions of Calcareous Soils
... progressive oxidation process and the generated phases is not accessible on the ...minerals surface [1, ...mineral surface [13, ...progressive oxidation process and the mechanisms that ...
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Study of Anodic Oxide Films of Titanium Fabricated by Voltammetric Technique in Phosphate Buffer Media
... the surface film of an implant are two of the most important mechanisms for introducing foreign ions into the body, which can have adverse biological effects [1, ...the surface morphology and ...
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Methyldopa electrochemical sensor based on a glassy carbon electrode modified with Cu/TiO2 nanocomposite
... electrochemical oxidation, the quantitative determination of methyldopa in phar- maceutical dosage and biological fluids samples was developed by a simple, rapid, selective and sensitive DPV ...
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Effect of surface conditions on internal oxidation and nitridation of HVOF MCrAlY coatings
... of oxidation behaviour. The results have shown that both surface conditions and substrate type have a pronounced effect on oxidation ...internal oxidation and nitridation is observed for ...
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Surface Modification of Electroosmotic Silicon Microchannel Using Thermal Dry Oxidation
... The scallop effect becomes a major challenge of high aspect ratio microchannel fabrication using DRIE 196. [15][r] ...
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Achieving surface chemical and morphologic alterations on tantalum by plasma electrolytic oxidation
... the surface of tantalum strips according to different exposure ...Ta surface with grooves resulting from the machining of the metal with no surface treat- ...Ta surface after a 1-min anodizing ...
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Abstracts of current literature on the platinum metals and their alloys135-140
... Temperature programmed surface reaction measure- ments for propane oxidation on the Pd surface under excess hydrocarbon showed three reactions: complete oxidation, steam reforming a[r] ...
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Experimental study on oxidation of nuclear graphite for HTGR
... The oxidation of nuclear graphite is inevitable as a result of impurities in helium coolant, and it will become more serious when air or steam ingress accident occurs in High Temperature Gas-cooled Reactor ...the ...
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Fabrication an Modified Electrode via Ionic-liquid/Bamboo-like Carbon Nanotube/Prussian Blue Nano Particles as a Highly Sensitive Nano-Composite for Detection of H2O2
... Cyclic voltammograms of the bare GC, BS-MWCNTs/MGCE, BS-MWCNTs/IL/MGCE and BS-MWCNTs/IL/MGCE electrodes in 0.2 M PBS (pH 7.0) are presented in Fig. 5a. It can be seen that no obvious redox peak can be observed at the ...
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