Results 11 to 20 of about 7,253,207 (381)
Technologies to Reduce the Emission of Nitrogen Oxides in Flue Gases [PDF]
محیط زیست و توسعه فرابخشی, 2021 Nitrogen oxides are one of the most important pollutants in the air, which releasing into the atmosphere causes to produce of dangerous secondary pollutants.
Samane Komeili +2 more
doaj +1 more source
Iron-silica interaction during reduction of precipitated silica-promoted iron oxides using in situ XRD and TEM [PDF]
Applied Catalysis A: General 613 (2021) 118031, 2021 The effect of silica-promotion on the reduction of iron oxides in hydrogen was investigated using in situ X-ray diffraction and aberration-corrected transmission electron microscopy to understand the mechanism of reduction and the identity of the iron(II) silicate phase that has historically been designated as the cause of the iron-silica interaction ...
arxiv +1 more source
Vanadium Dioxide Thin Films Synthesized Using Low Thermal Budget Atmospheric Oxidation [PDF]
Thin Solid Films. 706, 138003 (2020), 2021 Vanadium dioxide is a complex oxide material, which shows large resistivity and optical reflectance change while transitioning from the insulator to metal phase at ~68 {\deg}C. In this work, we use a modified atmospheric thermal oxidation method to oxidize RF-sputtered Vanadium films.
arxiv +1 more source
Catalysis from A to Z, 2020 In soil systems, rapid changes in moisture content strongly affects soil aeration status. In addition to changes in bulk conditions, there are microsites or zone where diffusion of oxygen is restricted, such as small pores filled with water and the ...
semanticscholar +2 more sources
Ideguru, 2020 The purpose of this study (1) to find out how the application of the Student Teams Achivement Division (STAD) learning model can increase students’ learning activities/activeness; (2) to determine the improvement of students’ learning activities ...
Dian Sri Suhesti
doaj +1 more source
Variation of iron redox kinetics and its relation with molecular composition of standard humic substances at circumneutral pH. [PDF]
PLoS ONE, 2017 Oxidation and reduction kinetics of iron (Fe) and proportion of steady-state Fe(II) concentration relative to total dissolved Fe (steady-state Fe(II) fraction) were investigated in the presence of various types of standard humic substances (HS) with ...
Ying Ping Lee +4 more
doaj +1 more source
Microorganisms, 2022 Electrolyzed acid solutions produced by different methods have antiseptic properties due to the presence of chlorine and reactive oxygen species. Our aim was to determine whether a controlled-flow electrolyzed acid solution (CFEAS) has the ability to ...
Alejandro Cabrera-Wrooman +4 more
doaj +1 more source
Indirect Spectrophotometric Determination of Niclosamide in Pharmaceutical Preparations [PDF]
مجلة التربية والعلم, 2018 A simple and sensitive indirect spectrophotometric method is developed for the determination of niclosamide in pharmaceutical preparations. The method is based on the oxidation of reduced form of niclosamide with iron ( III ) in acidic medium, then the ...
Nabeel S. Othman, Saad H. Sultan
doaj +1 more source
دراسة تعیین درجة حرارة حرق بعض الأوانی الفخاریة کأساس علمی لتشخیص مظاهرتلفها ( تل آثارالسمارة – عصرماقبل الأسرات - دراسة حالة ) [PDF]
Journal of General Union of Arab Archaeologists, 2016 Firing temperature degree of some pottery has been determined from Tel al-samara in Dakahlia through their examination and analysis by polarized microscope "PLM", scanning electron microscope SEM,X-ray diffraction XRD and thermal analysis TGA where the ...
Dr.Walid Kamel Ali Elghareb
doaj +1 more source