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2081
Removal of chromate in aqueous solutions by termite nests and reduction chromate accumulation in Brassica chinensis L.
Published 2024-01-01“…Thermodynamic studies confirmed the spontaneous and endothermic nature of the adsorption process. In the rapeseed cultivation experiment, the growth status of Brassica chinensis L. post-adsorption treatment was markedly improved compared to the untreated group. …”
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2082
Synthesis and characterization of samarium-cobalt-trioxide perovskite catalyst for the kinetic and longevity studies of methane dry reforming
Published 2017“…Methane dry reforming requires the use of heterogeneous catalyst due to its strong endothermicity. Several catalysts have been employed for methane dry reforming with catalyst deactivation as the major drawback. …”
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2083
Adsorptive removal of malachite green dye from aqueous solution using Rumex abyssinicus derived activated carbon
Published 2023-09-01“…Furthermore, the thermodynamics study revealed the nature of adsorption to be feasible, spontaneous, and endothermic. On the other hand, the reusability study depicted the fact that the adsorbent can be utilized for five cycles with a negligible drop in the removal efficiencies from 99.9 to 95.2%. …”
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2084
Sequence of phase transformations at the formation of the strontium chrome-molybdate compound
Published 2019-06-01“…By means of the differential thermal analysis and thermogravimetric analysis data, it has been established that five clearly expressed endothermal effects were observed in the temperature range 300−1300 K. …”
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2085
In silico investigation of uncoupling protein function in avian genomes
Published 2023-01-01“…In poultry, only one UCP homologue has been identified and experimentally shown to be associated with growth, feed conversion ratio, and abdominal fat according to its predominant expression in bird muscles. In endotherm birds, cell metabolic efficiency can be tuned by the rate of mitochondrial coupling. …”
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2086
Adsorbent Material Based on Carbon Black and Bismuth with Tunable Properties for Gold Recovery
Published 2023-04-01“…Thermodynamic studies proved that the gold adsorption on BCb/CB material is a spontaneous and endothermal process. The results indicate a total adsorption capacity of 13.1 mg Au(III)/g material. …”
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2087
Design, physicochemical characterisation, and in vitro cytotoxicity of cisplatin-loaded PEGylated chitosan injectable nano / sub-micron crystals
Published 2023-06-01“…Differential scanning calorimetry (DSC) revealed that cisplatin-loaded PEGylated chitosan nanoparticles had sharp endothermic peaks at temperatures at 168.6 °C. The thermogravimetric analysis (TGA) showed the weight loss of cisplatin-loaded PEGylated chitosan nanoparticles, which was observed as 95% at 262.76 °C. …”
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2088
Morphological, Spectroscopic and Thermal Analysis of Cellulose Nanocrystals Extracted from Waste Jute Fiber by Acid Hydrolysis
Published 2023-03-01“…The second degradation at 360 °C indicated the stable crystal structure of CNC. The endothermic peak at 255 °C in the DTA study provided evidence of sulfated nanocrystal decomposition and the recrystallization of cellulose I to cellulose II, the most stable structure among the other four celluloses. …”
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2089
High Purity Single Wall Carbon Nanotube by Oxygen-Containing Functional Group of Ferrocene-Derived Catalyst Precursor by Floating Catalyst Chemical Vapor Deposition
Published 2022-03-01“…The mechanism of synthesizing carbon nanotubes was clarified by the catalyst’s exothermic or endothermic decomposition processes. By monitoring the decomposition process of ferrocene-derived catalyst precursors with and without sulfur, we found that the types of oxygen function groups closely influence catalyst formation and nanotube growth. …”
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2090
INFLUENCE OF OIL SHALE SEMI-COKING PARAMETERS ON THE QUALITY OF SHALE SEMI-COKE
Published 2021-09-01“…Thermogravimetric curves of the obtained shale semi-coxes showed the presence of two exothermic peaks corresponding to the release of moisture and easily bound volatiles (the first peak) and the release of the main volume of shale resin (the second peak) and one endothermic peak – the decomposition of the mineral component of oil shale.…”
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2091
Adsorption of Methyl Orange and Cr (VI) Onto Poultry Manure-Derived Biochar From Aqueous Solution
Published 2022-06-01“…The adsorption process was monolayer physisorption, irreversible, and endothermic. Hence, it can be said that this material is environmental friendly and an economical sorbent for high adsorption efficiency.…”
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2092
Ammonium-Bearing Fluorapophyllite-(K) in the Magnesian Skarns from Aleului Valley, Pietroasa, Romania
Published 2023-10-01“…The thermal analysis shows that the mineral completely dehydrates at up to 450 °C (endothermic effects at 330, 371, and 448 °C) and loses ammonium at 634 °C. …”
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2093
Enhanced chromium (VI) removal: A remediation study employing nano zero-valent iron supported by sawdust
Published 2024-01-01“…It was found that the sorption of Cr(VI) was spontaneous (∆G° = −10.36 kJ.mol−1) on NZVI/SD and the process was endothermic (∆H = +4.609 kJ/mol). NZVI/SD can be effectively regenerated by elution with 1 M NaOH for 4 h.…”
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2094
Effect of Solvents, Stabilizers and the Concentration of Stabilizers on the Physical Properties of Poly(<span style="font-variant: small-caps">d</span>,<span style="font-variant: s...
Published 2022-04-01“…Finally, drug-loaded optimal NPs were composed of PLGA (40 mg) and IND (4 mg) in 1 mL DCM/chloroform with PVA/PVP (1–3%), which resulted in sufficient encapsulation (54.94–74.86%) and drug loading (4.99–6.81%). No endothermic peak of PVA/PVP appeared in the optimized formulation, which indicated the amorphous state of IND in the core of the PLGA-NPs. …”
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2095
Preparation of ZIF-8 loaded citric acid-coated nano-zerovalent-iron and its adsorption properties for U(VI)
Published 2021-04-01“…The adsorption is a spontaneous endothermic monolayer chemical process, which can be deduced by the pseudo-second-order kinetic and Freundlich models. …”
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2096
Effective Adsorptive Removal of Coomassie Violet Dye from Aqueous Solutions Using Green Synthesized Zinc Hydroxide Nanoparticles Prepared from <i>Calotropis gigantea</i> Leaf Extra...
Published 2023-04-01“…The negative values of ΔG and positive values of ΔH at different temperatures indicate that the adsorption process is spontaneous and endothermic, respectively. Reusability tests revealed that the prepared nanoparticles may be used for up to three runs, indicating that the novel CG-Zn(OH)<sub>2</sub>NPs seems to be a very promising adsorbent for the removal of Coomassie violet dye from wastewater.…”
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2097
A Novel Inorganic Aluminum Phosphate-Based Flame Retardant and Thermal Insulation Coating and Performance Analysis
Published 2023-06-01“…This excellent performance is mainly attributed to three aspects: (1) the foaming and expandability of coatings when exposed to fire, (2) the multiple endothermic reactions the coating undergoes, and (3) the improvement effect of boron carbide. …”
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2098
Role of starch in one pot fabrication of mesoporous gamma-alumina with excellent fluoride sorption capacity
Published 2023-09-01“…A thermodynamic study indicated that the sorption process was spontaneous and endothermic, with increased randomness at the solid-solution interface. …”
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2099
Explorations on Thermodynamic and Kinetic Performances of Various Cationic Exchange Durations for Synthetic Clinoptilolite
Published 2022-04-01“…The negative Δ<i><sub>r</sub></i><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msubsup><mi>G</mi><mi>m</mi><mi>θ</mi></msubsup></semantics></math></inline-formula> values and the positive Δ<i><sub>r</sub></i><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msubsup><mi>H</mi><mi>m</mi><mi>θ</mi></msubsup></semantics></math></inline-formula> and Δ<i><sub>r</sub></i><inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msubsup><mi>S</mi><mi>m</mi><mi>θ</mi></msubsup></semantics></math></inline-formula> values suggested that the exchanged procedure belonged to spontaneous, endothermic, and entropy-increasing behaviors; their kinetic performances followed a pseudo–second–order model. …”
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2100
Separation of Ln(Ⅲ)/An(Ⅲ) by Using 2,2′-bipyridine and Bis(2,4,4-trimethylpentyl)dithiophosphinic Acid Synergistic System
Published 2023-12-01“…The system changes from endothermic reaction to exothermic reaction after adding 2,2′-bipyridine. …”
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