Search Results - "Passos, Raimundo"
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Electrochemical behavior of polyaniline: A study by electrochemical impedance spectroscopy (EIS) in low-frequency
Published in Solid state ionics (01-03-2020)“…Conducting polymers are increasingly attracting the interest of many researchers in different areas due to their good conductivity, stability and easy…”
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Influence of operational parameters on the performance of PEMFCs with serpentine flow field channels having different (rectangular and trapezoidal) cross-section shape
Published in International journal of hydrogen energy (04-08-2014)“…The effect of operational parameters on the performance of PEMFCs by using serpentine flow field channels with different (rectangular and trapezoidal)…”
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3
Ethylene glycol oxidation on carbon supported binary PtM (M = Rh, Pd an Ni) electrocatalysts in alkaline media
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-01-2021)“…In this work we prepared binary Pt-based electrocatalysts supported on carbon with a 80:20 (Pt:M) atomic ratio (where M = Rh, Pd and Ni) and tested their…”
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4
From the dual cyclone harvest performance of single conidium powder to the effect of Metarhizium anisopliae on the management of Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae)
Published in PloS one (27-03-2023)“…Insect pests introduced in eucalyptus plantations in Brazil are mostly of Australian origin, but native microorganisms have potential for their management…”
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5
Ethanol electro-oxidation on partially alloyed Pt-Sn-Rh/C catalysts
Published in Electrochimica acta (20-11-2014)“…Ternary Pt-Sn-Rh/C catalysts of Pt:Sn:Rh=1:0.8:0.2 and 1:1:0.33 atomic ratios were synthesized using the formic acid method and their electrochemical…”
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Waste from an Amazon Mining Company Applied as a Catalyst in Photocatalysis Reactions for Environmental Remediation
Published in Water, air, and soil pollution (01-07-2022)“…The environmental problem caused by mining companies is known and has been studied by several authors. In this work, a sustainable solution was sought for…”
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Modulating the electrochemical capacitance of NiFe2O4 by an external magnetic field for energy storage application
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15-11-2021)“…[Display omitted] •Nickel ferrite nanoparticles prepared by proteic sol–gel method as a energy storage eletrodes.•Capacitance enhancement by magnetic…”
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Hierarchical porous carbon derived from acai seed biowaste for supercapacitor electrode materials
Published in Journal of materials science. Materials in electronics (01-08-2020)“…Creating energy storage devices from biomass waste has great scientific and industrial significance by providing an eco-friendly and sustainable alternative to…”
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Analysis of the selectivity of PtRh/C and PtRhSn/C to the formation of CO2 during ethanol electrooxidation
Published in Electrochimica acta (01-12-2013)“…•Ethanol oxidation on PtRh produces proportionally more CO2 on Rh richer surfaces.•However, ethanol oxidation currents decrease upon these conditions.•This…”
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Morphology and performance of CoOOH films synthesized via electrochemical oxidation: substrate effects
Published in Journal of solid state electrochemistry (01-12-2018)“…In the present work, CoOOH films are synthesized from the electrochemical oxidation of α-Co(OH) 2 as precursor. The substrate influences on the material…”
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11
Synthesis of ZnO Nanoparticles by the Sol-Gel Protein Route: A Viable and Efficient Method for Photocatalytic Degradation of Methylene Blue and Ibuprofen
Published in Journal of the Brazilian Chemical Society (01-08-2020)“…The photocatalytic degradation of methylene blue dye and ibuprofen drug was studied in the presence of zinc oxide, synthetized by the protein sol-gel route…”
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Near-infrared leaf reflectance modeling of Annona emarginata seedlings for early detection of variations in nitrogen concentration
Published in Journal of forestry research (01-02-2023)“…Nitrogen (N) monitoring is essential in nurseries to ensure the production of high-quality seedlings. Near-infrared spectroscopy (NIRS) is an instantaneous,…”
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Mapping stem volume in fast-growing eucalypt plantations: integrating spectral, textural, and temporal remote sensing information with forest inventories and spatial models
Published in Annals of forest science. (10-10-2024)“…Key message Accurate volume estimation in Eucalyptus plantation stands was achieved by a linear model using SPOT and Landsat multispectral imagery,…”
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Electro-oxidation of Glycerol on Carbon Supported Pt75CoxNi25-x (x = 0, 0.9, 12.5, 24.1 and 25) Catalysts in an Alkaline Medium
Published in Electrocatalysis (01-11-2018)“…Binary and ternary Pt 75 Co x Ni 25- x /C ( x = 0, 0.9, 12.5, 24.1, and 25) electrocatalysts were prepared by a polyol method, and their activity for carbon…”
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Persistence of Fecal Contamination Indicators and Pathogens in Class B Biosolids Applied to Sugarcane Fields
Published in Journal of environmental quality (01-03-2019)“…Agricultural recycling of human Class B biosolids in sugarcane (Saccharum spp.) crop is a promising alternative to reduce the costs of biosolids disposal…”
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Studies of the performance of PEM fuel cell cathodes with the catalyst layer directly applied on Nafion membranes
Published in Electrochimica acta (28-07-2006)“…The performance of a proton exchange membrane fuel cell (PEMFC) with gas diffusion cathodes having the catalyst layer applied directly onto Nafion membranes is…”
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Polyandry contributes to Gonipterus platensis (Coleoptera: Curculionidae) rearing
Published in PeerJ (San Francisco, CA) (22-08-2024)“…Marelli, 1926 (Coleoptera: Curculionidae) is one of the main defoliating beetles in plantations. Biological control with egg parasitoids is one of the main…”
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Synthesis and characterization of a nanocomposite NiO/SiO2 from a sustainable source of SiO2
Published in Particulate science and technology (17-11-2019)“…The search for raw materials obtained from renewable sources is necessary for the sustainable development in the production of engineering materials. In this…”
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Persistence of Ascaris spp. Ova in Tropical Soil Cultivated with Eucalyptus and Fertilized with Municipal Biosolids
Published in Journal of environmental quality (01-05-2017)“…In many countries, the main reason for severely restricting or outright banning the land application of class B biosolids is the lack of risk assessment for…”
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Biodegradation of eucalyptus urograndis wood by fungi
Published in International biodeterioration & biodegradation (01-04-2014)“…We focused in selecting four fungi, naturally living in Eucalyptus sp. fields, for application in accelerating stump decay. The wood-rot fungi Pycnoporus…”
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