-
341
A Comparative Study of the Sorption of Cd(II) and Pb(II) Ions from Aqueous Solution by Local Bentonite and Clinoptilolite
Published 2009-02-01“…The negative values of the Gibbs' free energy change (ΔG 0 ) demonstrate the spontaneous nature of the sorption process with both sorbents, while the positive values of the enthalpy change (ΔH 0 ) indicate that the sorption process was endothermic in nature.…”
Get full text
Article -
342
Investigating the effective thermal conductivity of moist fibrous fabric based on Parallel-Series model: a consideration of material’s swelling effect
Published 2020-01-01“…The equivalent porosity is characterized by reasonably eliminating the absorbed moisture effects partly, which is embodied in enhancing heat conduction, endothermic reaction and swelling. Calculated values of the effective thermal conductivity of the two kinds of fabrics had been compared with experimental measurements. …”
Get full text
Article -
343
Adsorption performance of basic fuchsin on alkali-activated diatomite
Published 2020-07-01“…The pseudo-first-order kinetics and the Sips isotherm model were preferable to describe the adsorption process of basic fuchsin on alkali-activated diatomite-115 and the thermodynamic parameters indicated that the adsorption process was endothermic and spontaneous.…”
Get full text
Article -
344
Investigation of phthalocyanine diamidophosphate-nickel by thermal analysis
Published 2023-01-01“…Thermal studies of exothermic and endothermic processes were carried out in the temperature range of 100-500 °C. …”
Get full text
Article -
345
Removal of Coloured Impurities from Caprolactam Solution by Adsorption onto Activated Carbon: Equilibrium and Thermodynamic Studies
Published 2006-02-01“…The positive value of ΔH 0 indicated the endothermic nature of the process while the positive value of ΔS 0 indicated an increase in the degrees of freedom of the adsorbed species. …”
Get full text
Article -
346
The effect of the torsional and stretching vibrations of C2H6 on the H + C2H6 --> H2 + C2H5 reaction.
Published 2005“…An analytical potential-energy surface was developed from a minimal number of ab initio geometry evaluations using the CCSD(T,full)/cc-pVTZ//MP2(full)/cc-pVTZ level of theory. The reaction is endothermic by 1.5 kcal mol(-1) and exhibits a vibrationally adiabatic barrier of 12.0 kcal mol(-1). …”
Journal article -
347
Singlet triplet-pair production and possible singlet-fission in carotenoids
Published 2022“…We further discuss whether this singlet triplet-pair state will undergo exothermic versus endothermic intra- or interchain singlet fission. …”
Journal article -
348
Theory of singlet fission in carotenoid dimers
Published 2023“…By computing the intrachain and interchain singlet, triplet, and quintet triplet-pair populations, we show that singlet fission critically depends on the interchain coupling and the driving potential (that determines endothermic vs exothermic fission).…”
Journal article -
349
Shear alignment of fullerenes in nanotubular supramolecular complexes
Published 2015“…Thermal analysis revealed a melting endotherm at 180°C for the C60/s-PMMA electrospun fibers that is consistent with formation of the nanotubular supramolecular complex. …”
Journal article -
350
Simulation Study Of Methane Autothermal Reforming For Hydrogen Production
Published 2004“…The results revealed that an excess steam restricted hydrogen production by lowering the bed temperature which is important to drive endothermic steam reforming. An increase of reactor pressure after 3 atm slightly affected methane conversion and this could be beneficial in membrane reactor system. …”
Get full text
Article -
351
Solubility and thermodynamic function of carbamazepine-saccharin (CBZ-SAC) co-crystal in ethanolic solution
Published 2018“…Based on the apparent thermodynamic analysis parameter, it was indicated an “endothermic and entropy-driven dissolution” of CBZ-SAC co-crystal [2,3,4]. …”
Get full text
Get full text
Conference or Workshop Item -
352
Enhancement of Thermal Stability and Selectivity by Introducing Aminotriazine Comonomer to Poly(Octadecyl Acrylate)-Grafted Silica as Chromatography Matrix
Published 2018-02-01“…The ODA-AT copolymer grafting onto silica surface was characterized by elemental analysis, FT-IR spectroscopy, scanning electron microscopy, thermo gravimetric analysis and differential scanning calorimeter (DSC). An endothermic peak top of the copolymer-grafted silica was increased to 46 °C from 38 °C, which was a peak top of pODA homopolymer. …”
Get full text
Article -
353
Enhanced Sorption Performance of Natural Zeolites Modified with pH-Fractionated Humic Acids for the Removal of Methylene Blue from Water
Published 2023-10-01“…The Freundlich isotherm model adequately described the sorption equilibrium and revealed that the uptake of MB onto NYT-HA is endothermic in nature.…”
Get full text
Article -
354
Thermal analysis of osmotically dehydrated fish meat
Published 2015-01-01“…The DSC thermograms of all samples assayed in this work, showed the characteristic glass transition, the protein denaturation endotherm in the range of 40 °C-90 °C and no water melting peak, as a consequence of characteristic behavior of samples with high non freezable water content. …”
Get full text
Article -
355
Morphology, Thermal Stability, and Flammability Properties of Polymer-Layered Double Hydroxide (LDH) Nanocomposites: A Review
Published 2020-07-01“…One of the most important features of LDHs is their ability to act as flame-retardant materials because of their endothermic decomposition. This review paper gives detailed information on the: preparation methods, morphology, flammability, and barrier properties as well as thermal stability of LDH/polymer nanocomposites.…”
Get full text
Article -
356
Countercurrent heat exchange and thermoregulation during blood-feeding in kissing bugs
Published 2017-11-01“…Blood-sucking insects experience thermal stress at each feeding event on endothermic vertebrates. We used thermography to examine how kissing-bugs Rhodnius prolixus actively protect themselves from overheating. …”
Get full text
Article -
357
On the Effect of Modifications to Montmorillonite for the Desulphurization of Synthetic Gasoline
Published 2011-02-01“…Furthermore, positive ΔH 0 and ΔS 0 values indicated that the adsorption was endothermic and irreversible.…”
Get full text
Article -
358
Enhanced Effectiveness on Phenol Removal by MgCr-LDH/Microcrystalline Cellulose Composite and Regeneration Study with Green Desorption Reagent
Published 2023-01-01“…The correlation coefficients on the kinetics and isotherm parameters show that phenol removal follows the pseudo second order (PSO) and Langmuir models with spontaneous and endothermic adsorption processes. The regeneration ability of MgCr/MCC material using the water-assisted ultrasonic system as a green desorption reagent was 3 cycles with a percent regeneration efficiency of 39.45%.…”
Get full text
Article -
359
Utilization of phosphogypsum in phenol removal from coking wastewater
Published 2023-11-01“…The process is spontaneous and endothermic. In column mode, at an effluent flow rate of 3 mL/min and the height of the fixed bed of 15 mm adsorbent dynamic capacity reached 124 mg/g. …”
Get full text
Article -
360
Studies on Adsorption of Some Organic Dyes from Aqueous Solution onto Graphene Nanosheets
Published 2015-06-01“…Thermodynamic studies indicated that the adsorption processes is spontaneous for both the dyes, and exothermic for RB and endothermic for MG.…”
Get full text
Article