-
221
Enhanced Removal of Lead by Chemically and Biologically Treated Carbonaceous Materials
Published 2012-01-01“…Lead(II) sorption mechanisms were found to obey the Langmuir and BET isotherm models. The potential applications of chemically and biologically modified-active carbonaceous materials for removal and extraction of lead from real water matrices were also studied via a double-stage microcolumn technique. …”
Get full text
Article -
222
Photocatalytical Properties and Theoretical Analysis of N, Cd-Codoped TiO2 Synthesized by Thermal Decomposition Method
Published 2012-01-01“…The products were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), UV-visible diffuse reflectance spectra (DRS), X-ray photoelectron spectroscopy (XPS), and Brunauer-Emmett-Teller (BET) specific surface area analysis, respectively. …”
Get full text
Article -
223
Selective Oxidation of Styrene to Benzaldehyde by Co-Ag Codoped ZnO Catalyst and H2O2 as Oxidant
Published 2018-01-01“…The catalysts were prepared by a sol-gel process and were characterized using XRD, FT-IR, TG-DTG, BET, and SEM/EDX. The performance of the prepared catalyst was investigated under different parameters such as solvent, temperature, substrate/oxidant molar ratios, reaction time, and doping percent. …”
Get full text
Article -
224
Application of Attapulgite Clay-Based Fe-Zeolite 5A in UV-Assisted Catalytic Ozonation for the Removal of Ciprofloxacin
Published 2022-01-01“…For the first time, Fe-zeolite 5A (Fe-Z5A) efficacy in the UV-assisted ozonation process to remove ciprofloxacin (CF) in wastewater is investigated. FTIR, SEM, EDX, BET, and the mass transfer process for point of zero charge are used to characterize the catalyst. …”
Get full text
Article -
225
Photocatalytic Properties of Nanotubular-Shaped TiO2 Powders with Anatase Phase Obtained from Titanate Nanotube Powder through Various Thermal Treatments
Published 2011-01-01“…Their photocatalytic properties were measured with checking decomposition of 4-chlorophenol under UV-A irradiation, together with physical characterizations using SEM, TEM, XRD, BET, and Raman spectroscopy. With increasing calcination temperature and time, nanotubular-shaped titanate particles became short, rod-like, or irregular by oversintering, and their crystalline structure was changed into anatase phase. …”
Get full text
Article -
226
KATEGORINIŲ SAKINIŲ SEMANTIKA PORT ROYALIO LOGIKOJE
Published 2004-01-01“…Argumentuojama, kad jos suderinamos, bet vienpusiškos. Prasminiai žodžiai: tradicinė logika, tapatybinė sakinio teorija, inherentinė sakinio teorija, ekstensija, intensija, terminų suskirstymas. …”
Get full text
Article -
227
Adsorptive removal of phosphate and nitrate by layered double hydroxides through the memory effect and in situ synthesis
Published 2025-02-01“…The synthesized LDHs were thoroughly characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), Brunauer–Emmett–Teller (BET) surface area analysis, and X-ray diffraction (XRD). …”
Get full text
Article -
228
Equilibrium, Kinetic, and Thermodynamic Studies on the Adsorption of Cadmium from Aqueous Solution by Modified Biomass Ash
Published 2017-01-01“…The physicochemical and morphological properties of the biomass ash were analyzed by ICP-OES, SEM, TEM-EDS, FTIR, and BET analysis. The adsorption behavior of the modified product for Cd2+ in aqueous solution was studied as a function of pH, initial metal concentration, equilibrium time, and temperature. …”
Get full text
Article -
229
Production of Biologically Activated Carbon from Orange Peel and Landfill Leachate Subsequent Treatment Technology
Published 2014-01-01“…In this experiment, biophile mesopore active carbon is produced in one-step activation with orange peel as raw material, and zinc chloride as activator, and the adsorption characteristics of orange peel active carbon is studied by static adsorption method. BET specific surface area and pore volume reached 1477 m2/g and 2.090 m3/g, respectively. …”
Get full text
Article -
230
Free and Forced Vibrations of an Axially-Loaded Timoshenko Multi-Span Beam Carrying a Number of Various Concentrated Elements
Published 2012-01-01“…In the existing reports regarding free and forced vibrations of the beams, most of them studied a uniform beam carrying various concentrated elements using Bernoulli-Euler Beam Theory (BET) but without axial force. The purpose of this paper is to utilize the numerical assembly technique to determine the exact frequency-response amplitudes of the axially-loaded Timoshenko multi-span beam carrying a number of various concentrated elements (including point masses, rotary inertias, linear springs and rotational springs) and subjected to a harmonic concentrated force and the exact natural frequencies and mode shapes of the beam for the free vibration analysis. …”
Get full text
Article -
231
Fast and Selective Adsorption of Au (III) from the Waste Printed Circuit Boards Using a Low-Cost Adsorbent: Optimization by Central Composite Design Based on Response Surface Metho...
Published 2023-01-01“…It was characterized by Fourier transform infrared spectroscopy (FT-IR), Brunauer–Emmett–Teller (BET), elemental analysis (CHN), field emission scanning electron microscopy (FE-SEM), and energy-dispersive X-ray spectroscopy (EDS) (FE-SEM-EDS-mapping). …”
Get full text
Article -
232
An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash
Published 2016-01-01“…In particular, its surface area, as determined by BET measurements, increased from 59 to 318 m2/g. …”
Get full text
Article -
233
F. NIETZSCHE’S PERSPEKTYVIZMO SAMPRATA
Published 2004-01-01“…Nietzsche’s perspektyvizmo koncepcija skelbia, kad nėra jokių faktų savaime, kuriais pažinimo procese būtų galima remtis, jokios pažinimu siektinos vienos, universalios ir vienos vienintelės tiesos, kuri leistų pateikti vienintelį teisingą pasaulio paaiškinimą, bet yra tik interpretacijos. Tačiau perspektyvizmo sampratoje įmanoma įžvelgti atramos tašką ir taip kalbėti apie savitą, negatyviai, per „pėdsaką“ nusakomą tiesos egzistavimo patirtį. …”
Get full text
Article -
234
Removal of Azo Dyes (Violet B and Violet 5R) from Aqueous Solution Using New Activated Carbon Developed from Orange Peel
Published 2013-01-01“…COP was characterized using Fourier infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and BET. COP has surface area and mean pore diameter of 225.6 m2 g−1 and 22.40 nm, respectively. …”
Get full text
Article -
235
Protonation and Photocatalytic Activity of the Rb2La2Ti3O10 Layered Oxide in the Reaction of Hydrogen Production
Published 2017-01-01“…The obtained samples were characterized by powder X-ray diffraction, SEM, X-ray microanalysis, BET, DRS, and TG. It was found that the complete ion exchange of Rb+ for H+ in the layered oxide Rb2La2Ti3O10 proceeds through the formation of two metastable intermediate phases with average protonation degrees of 0.5 and 0.75, which successively transform from one to another. …”
Get full text
Article -
236
Mathematical Modeling of Moisture Sorption Isotherms and Determination of Isosteric Heats of Sorption of Ziziphus Leaves
Published 2014-01-01“…The experimental data of sorption were fitted by eight models (GAB, BET, Henderson-Thompson, modified-Chung Pfost, Halsey, Oswin, Peleg, and Adam and Shove). …”
Get full text
Article -
237
A Statistical Modeling and Optimization for Cr(VI) Adsorption from Aqueous Media via Teff Straw-Based Activated Carbon: Isotherm, Kinetics, and Thermodynamic Studies
Published 2022-01-01“…The prepared TSAC was characterized using BET, FTIR, SEM, and XRD. A central composite approach-based RSM analysis was undertaken for statistical modeling and optimization for maximized Cr(VI) removal with respect to four important factors, namely, initial concentration of Cr(VI), the dosage of TSAC, pH, and adsorption time. …”
Get full text
Article -
238
Effects of Synthesis Conditions on Rare Earth Doped Iron Oxide Catalyst for Selective Catalytic Reduction of NOx with NH3
Published 2023-03-01“…The catalysts have been characterized by X-ray diffraction (XRD), The X-ray photoelectron spectra (XPS), scanning electron microscopy (SEM) and Brunner Emmet Teller (BET). The results showed that the doping of Sm significantly improves the removal efficiency of Fe-based oxides. …”
Get full text
Article -
239
Morphology controlled fabrication of zinc phosphate hierarchical microspheres for room temperature ammonia gas sensor
Published 2025-06-01“…., hierarchical microspheres, urchin like microspheres and hierarchical nanoellipsoids were selected for further analysis using XRD, FT-IR, BET analysis and gas sensing application and termed as Zinc Phosphate 1 (ZP1), Zinc Phosphate 2 (ZP2), and Zinc Phosphate 3 (ZP3), respectively. …”
Get full text
Article -
240
Synthesis and Characterisation of Penta-Bismuth Hepta-Oxide Nitrate, Bi5O7NO3, as a New Adsorbent for Methyl Orange Removal from an Aqueous Solution
Published 2012-01-01“…After calcination, the precipitate was characterised by several methods, which included X-ray powder diffraction, X-ray photoelectron spectroscopy, scanning and transmission electron microscopy, Fourier transform infrared, thermogravimetric analysis, BET surface area and pH drift method to determine the pH of point of zero charge (pHpzc). …”
Get full text
Article