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1201
Thermal Analysis in the Evaluation of Solid Lipid Microparticles in the Form of Aqueous Dispersion and Fine Powder
Published 2023-12-01“…In the case of the tested SLM, the basic and usually the only observed thermal transformation in the DSC spectrum was the endothermic peak associated with the lipid forming a microsphere matrix. …”
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1202
Synthesis and Characterization of a Novel Lignin-Based Biopolymer from <i>Ulex europaeus</i>: A Preliminary Study
Published 2021-05-01“…Additionally, thermal properties revealed peaks corresponding to decomposition and dehydration reactions, endothermic processes and a glass transition temperature of ≈259 °C. …”
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1203
Thermodynamic studies on adsorption of lead (II) Ion from aqueous solution using magnetite, activated carbon and composites
Published 2017-07-01“…Also, the reaction is endothermic as evident in the positive value of ΔH (0.779 to 22.815 kJ/mol) and positive value of ΔS means there is an irregular increase in the randomness at the solid-solution interface of the adsorbents. …”
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1204
الدراسة الكيميائية البلورية للمركبات MIISn(OH)6 حيث MII= Zn, Fe, Cu, Ca
Published 2018-12-01“…The DTA curve demonstrates two endothermic effects and one exothermic effect for all products. …”
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1205
Study on Pyrolysis Behaviors and Characteristics, Thermodynamics, Kinetics, and Volatiles of Single-Base Propellant, a Typical Energy-Containing Material
Published 2023-09-01“…Thermodynamic analysis showed that the single-base propellant pyrolysis was a spontaneous endothermic reaction with a low energy barrier and fast reaction rate, which was beneficial to the formation of active complexes. …”
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1206
Moderate temperature production of manganese oxides via thermal treatment – Structural and thermal properties
Published 2024-04-01“…While the heat treated products of MnCl2.4H2O, MnCO3, and MnO2 precursors show the low weight loss of 1.5–3.3 %, the heat treated KMnO4 precursor shows relatively high weight loss of 22.6 % with weak exothermic and endothermic peaks at 100 and 797 °C, respectively. …”
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1207
Adsorption of Th(IV) From Aqueous Solutions Using Bi-Functionalized Algae-Yeast Biosorbent
Published 2017-08-01“…The thermodynamic parameters indicated that the biosorption of Th(IV) on the biomass was a spontaneous, and endothermic process, at the studied temperatures and would occur via physical adsorption.…”
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1208
Study of Barium Adsorption from Aqueous Solutions Using Copper Ferrite and Copper Ferrite/rGO Magnetic Adsorbents
Published 2022-01-01“…Thermodynamic studies show that barium adsorption using CF and CG adsorbents is endothermic. The as-fabricated CuFe2O4/rGO nanocomposite represents a propitious candidate for the removal of heavy metal ions from aqueous solutions.…”
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1209
Effect of Hydroxyapatite on the Migration of Fe(III) Ions: Kinetic, Equilibrium and Thermodynamic Study
Published 2022-08-01“…Various thermodynamic parameters such as enthalpy (ΔH), Gibbs free energy (ΔG) and entropy (ΔS) changes were computed, which showed that the transport lag of Fe(III) caused by HAP is spontaneous and endothermic.…”
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1210
Preparation of Activated Carbon from Heavy Crude Oil wastes for Removal of Nitrobenzene from Aqueous Solution
Published 2017-03-01“…Values of (ΔHº) showed that the adsorption processes were physisorption and endothermic.…”
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1211
Thermal acclimatisation to heatwave conditions is rapid but sex-specific in wild zebra finches
Published 2023-10-01“…While plasticity in thermoregulatory traits could potentially attenuate this impact, whether thermal acclimatisation can occur quickly enough to track weather variability in hot climates is unknown in any endotherm, and sex differences have never been tested. …”
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1212
Investigation of effective parameters on thorium adsorption by nanohybrid adsorbent of polyvinyl alcohol/ titanium oxide functionalized with amine groups
Published 2015-05-01“…Calculation of thermodynamic parameters showed that the nature of thorium sorption onto the nanohybrid was endothermic and spontaneous. The change of adsorption capacity after five sorption- desorption cycles was less than 20%.…”
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1213
SYNGAS PRODUCTION FROM GREENHOUSE GASES VIA DRM OVER Ni/Al2O3 CATALYST: EFFECT OF Ca ADDITION
Published 2021-09-01“…DRM requires an active functioning catalyst since it is a highly endothermic process. The catalytic behaviour of 10 wt.% Ni supported on Al2O3 and doped with CaO is investigated for DRM. …”
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1214
Investigation of Cu Adsorption and Migration with Spectral Induced Polarization in Activated Carbon
Published 2023-02-01“…Adsorption thermodynamics at 298, 308, 318 K demonstrated that the adsorption process is spontaneous and endothermic. Spectral induced polarization (SIP) technique was used to monitor the adsorption process, and the double Cole–Cole model was used to analyze the SIP results. …”
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1215
Hydrothermal development of magnetic-hydrochar nanocomposite from pineapple leaves and its performance as an adsorbent for the uptake of Mn2+ and reuse of the metal loaded adsorben...
Published 2023-05-01“…The obtained thermodynamic parameters demonstrated that Mn2+ ion adsorption using the Fe2O3-HC nanocomposite was endothermic and nonspontaneous. Additionally, Fe2O3-HC nanocomposite demonstrated to be highly selective towards Mn2+ ions in the presence of other ions. …”
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1216
Design of novel metal hydroxide bio-nanocomposite (CBCS@LDH) for the scavenging of ciprofloxacin (CPN) drug from its aqueous solution: Kinetic, isotherm, thermodynamic and reusabil...
Published 2022-01-01“…The positive value of ΔH° indicated that the adsorption of CPN over CBCS@LDH was endothermic in nature having high value (53.61 kJ mol−1) thereby further suggesting the chemisorption mechanism. …”
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1217
Removal of Lead from Wastewater Using Synthesized Polyethyleneimine-Grafted Graphene Oxide
Published 2023-03-01“…Furthermore, the thermodynamic study confirms the spontaneity (negative ΔG° and positive ΔS°) and the endothermic nature (ΔH° = 19.73 kJ/mol) of the adsorption process. …”
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1218
Isotherm and thermodynamic studies on the removal of gelatin-stabilized silver nanoparticles from water by activated carbon
Published 2022-08-01“…Thermodynamic parameters such as enthalpy (66.77 kJ mol-1), entropy (232.92 J mol-1 K-1), and Gibbs free energy (–8.31 kJ mol-1) indicated that the process is endothermic, favorable and spontaneous through physical interactions.…”
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1219
Novel mesoporous carbon-silica composites from vinasse for the removal of dyes from aqueous silk dyeing wastes
Published 2022-09-01“…Thermodynamic parameters indicated that the dye adsorption was an endothermic process (ΔH > 0). The negative values of free energy (ΔG) confirmed that dye adsorption was spontaneous at the investigated temperatures (303-323 K). …”
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1220
Phyto-chemical and bioactive compounds of pumpkin seed oil as affected by different extraction methods
Published 2023-10-01“…Thermal analysis of all oil samples revealed that no endothermic reaction occurred beyond 27.5 °C and remains at liquid state at room temperature. 1HNMR fingerprinting of PSO was carried out to determine the composition of major and minor oil constituents like mono and di-glycerides, aliphatic chains and fatty acids.…”
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