Showing 1,481 - 1,500 results of 2,155 for search '"endotherms"', query time: 0.09s Refine Results
  1. 1481

    Recovery of Lanthanum(III) and Nickel(II) Ions from Acidic Solutions by the Highly Effective Ion Exchanger by Dorota Kołodyńska, Dominika Fila, Zbigniew Hubicki

    Published 2020-08-01
    “…The thermodynamic parameters showed that the sorption process was endothermic and spontaneous. Moreover, dynamic experiments were performed using the columns set. …”
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    Article
  2. 1482

    Synthesis of activated carbon composited with Egyptian black sand for enhanced adsorption performance toward methylene blue dye by Ahmed Salah Elkholy, Mohamed Saber Yahia, Mohamed Abdelsamei Elnwawy, Hosny Anwar Gomaa, Ahmed Shafek Elzaref

    Published 2023-03-01
    “…Additionally, the thermodynamic analysis indicated the adsorption of MB onto garnet(GA) adsorbents is endothermic, while the sorption onto (OS400) and (OSMG) is an exothermic and non-spontaneous process. …”
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  3. 1483

    Adsorption Properties of Modified ATP-RGO Composite Aerogel for Removal of Malachite Green and Methyl Orange from Unitary and Binary Aqueous Solutions by Hong Ji Li, Jia Hui Xu, Liu Qing Wang, Dan Dan Hou, Zhi Ru Wang, Hao Zhuo Li

    Published 2022-01-01
    “…The thermodynamic studies showed that the dye adsorption onto ATP-RGO CA was a spontaneous and endothermic reaction. High desorption of MG and MO showed the regeneration of ATP-RGO CA. …”
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    Article
  4. 1484

    Formation and Dissociation of Methane Hydrates from Seawater in Consolidated Sand: Mimicking Methane Hydrate Dynamics beneath the Seafloor by Prasad B. Kerkar, Kristine Horvat, Devinder Mahajan, Keith W. Jones

    Published 2013-11-01
    “…Pressure drops during dissociation and in situ temperature controlled the degree of endothermic cooling within sediments. In a closed system, the post-depressurization dissociation was succeeded by thermally induced dissociation and pressure-temperature conditions followed theoretical methane-seawater equilibrium conditions and exhibited excess pore pressure governed by the pore diameter. …”
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    Article
  5. 1485

    Solubility of Cinnarizine in (Transcutol + Water) Mixtures: Determination, Hansen Solubility Parameters, Correlation, and Thermodynamics by Faiyaz Shakeel, Mohsin Kazi, Fars K. Alanazi, Prawez Alam

    Published 2021-11-01
    “…The outcomes of the apparent thermodynamic analysis revealed that CNZ dissolution was endothermic and entropy-driven in all of the {(TP) (1) + water (2)} systems investigated. …”
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    Article
  6. 1486

    Adsorption of Pb and Ni Ions by Montmorillonite: Isotherm, Kinetic and Thermodynamic Studies by Deren Miao, Fei Liu, Yulong Liu, Honghan Chen

    Published 2009-10-01
    “…The experimental results indicated that the adsorption processes for both Pb 2+ and Ni 2+ ions onto MMT were favourable, spontaneous and endothermic.…”
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  7. 1487

    Development and characterization of a quaternary nitrate based molten salt heat transfer fluid for concentrated solar power plant by Collins C. Kwasi-Effah, Henry O. Egware, Albert I. Obanor, Osarobo O. Ighodaro

    Published 2023-05-01
    “…Results showed that increasing LiNO3 content led to a decrease in melting temperature, higher heat capacity, improved thermal stability, conductivity, and reduced viscosity at solidification temperature. The lowest endothermic peak for the new mixture emerged at 73.5 °C, which is significantly lower than that of commercial Hitec and Hitec XL, indicating better potential for use as a heat transfer fluid for concentrated solar thermal power plant applications. …”
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    Article
  8. 1488

    Biochar supported metallo-inorganic nanocomposite: A green approach for decontamination of heavy metals from water. by Sana Khalid, Muhammad Nawaz Chaudhary, Rabia Nazir, Sajid Rashid Ahmad, Naqi Hussain, Yaseen Ayub, Muhammad Ibrar

    Published 2023-01-01
    “…Thermodynamic studies revealed that the adsorption of Cr(VI), Ni(II) and Cu(II) on TK-NC and TV-NC was endothermic (+ΔH°) and indicates disorderness (+ΔS°) at the solid-liquid interface owing to the strong affinity of metal ions with adsorbent. …”
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  9. 1489

    Equilibrium, Kinetics and Thermodynamics of Chromium (VI) Adsorption on Inert Biomasses of <i>Dioscorea</i> <i>rotundata</i> and <i>Elaeis</i> <i>guineensis</i> by Angel Villabona-Ortíz, Ángel González-Delgado, Candelaria Tejada-Tovar

    Published 2022-03-01
    “…The thermodynamic study determined that the elimination of YP is endothermic, irreversible and not spontaneous, while for OPB it is exothermic, spontaneous at low temperatures and irreversible.…”
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  10. 1490

    Activated Carbon/ZnFe<sub>2</sub>O<sub>4</sub> Nanocomposite Adsorbent for Efficient Removal of Crystal Violet Cationic Dye from Aqueous Solutions by Tahani Saad Algarni, Amal M. Al-Mohaimeed, Abdel-Basit Al-Odayni, Naaser A. Y. Abduh

    Published 2022-09-01
    “…Based on the thermodynamic parameters, the sorption is spontaneous (−Δ<i>G</i>°), endothermic (+Δ<i>H</i>°), and random process (+Δ<i>S</i>°), and their values support the physical adsorption mechanism. …”
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  11. 1491

    Challenging ecogeographical rules: Phenotypic variation in the Mountain Treeshrew (Tupaia montana) along tropical elevational gradients. by Arlo Hinckley, Ines Sanchez-Donoso, Mar Comas, Miguel Camacho-Sanchez, Melissa T R Hawkins, Noor Haliza Hasan, Jennifer A Leonard

    Published 2022-01-01
    “…Bergmann observed a positive association between body size and latitude for endothermic species while Allen described shorter appendages as latitude increases. …”
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  12. 1492

    Zinc chloride activated carbon derived from date pits for efficient biosorption of brilliant green: adsorption characteristics and mechanism study by Magda A. Akl, Aya G. Mostafa, Mohammed Al-Awadhi, Wegdan S. Al-Harwi, Abdelrahman S. El-Zeny

    Published 2023-11-01
    “…From the estimated thermodynamic functions, it was found that the nature of the BG dye adsorption process onto the prepared ZCPs adsorbent was endothermic and spontaneous. With a relative standard deviation of less than 3%, the prepared ZCPs were successfully applied for the removal of BG from real water samples with a recovery of more than 90%. …”
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  13. 1493

    L-Histidine immobilized montmorillonite for As(III) adsorption and statistical verification of data by PDF, AICcorrected and AADR models by Aneeqa Batool, Khizar Hussain Shah, Sajid Hussain, Zakir Hussain, Syed Ali Raza Naqvi, Tauqir A. Sherazi

    Published 2022-10-01
    “…Thermodynamic parameters (ΔH, ΔS, ΔG) proved the endothermic and spontaneous nature of adsorption process along with entropical changes occurring at solid-solution interface. …”
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    Article
  14. 1494

    The use of new class α-amino nitrile modified magnetic adsorbents for removal of Cd(II) from aqueous medium: Sorbent modification vs. α-amino nitrile addition to the adsorption med... by Eyad A. Younes, Amjad H. El-Sheikh, Rawan B. Alsmadi

    Published 2024-03-01
    “…The adsorption of Cd(II) on Mag in the presence of Si-AN was fast, endothermic, spontaneous, favored and physi-sorption was predominant.…”
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  15. 1495

    Functionalization of Zeolite NaP1 for Simultaneous Acid Red 18 and Cu(II) Removal by Tomasz Bień, Dorota Kołodyńska, Wojciech Franus

    Published 2021-12-01
    “…The thermodynamic parameters indicate an endothermic process. The most effective solution for the desorption process was found to be 1 M HCl. …”
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  16. 1496

    Solvent Extraction Studies of Copper from a Heap Leach Liquor Using Mextral 5640H by Mostafa Hosseinzadeh, Jochen Petersen, Asghar Azizi

    Published 2022-10-01
    “…Furthermore, a thermodynamic study was conducted, and the measured values of ΔH = 15.13 kJ/mol, ΔG = −6.95 kJ/mol and ΔS = 74.10 J/mol/K indicate an endothermic, spontaneous nature and high affinity of copper extraction.…”
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  17. 1497

    Solubility and Thermodynamics Data of Cabozantinib Malate in Various Aqueous Solutions of Dimethyl Sulfoxide at Different Temperatures by Faiyaz Shakeel, Nazrul Haq, Sultan Alshehri, Ibrahim A. Alsarra

    Published 2023-11-01
    “…The positive values of computed thermodynamic parameters indicated that the dissolution of CBZM was endothermic and entropy-driven in all of the {DMSO + H<sub>2</sub>O} solutions investigated. …”
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  18. 1498

    Quantitative histological models suggest endothermy in plesiosaurs by Corinna V. Fleischle, Tanja Wintrich, P. Martin Sander

    Published 2018-06-01
    “…Results Our models reveal bone growth rates and RMRs for plesiosaurs that are in the range of birds, suggesting that plesiosaurs were endotherm. Even for basal eosauropterygians we estimate values in the range of mammals or higher. …”
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  19. 1499

    ZnCl2 Enhanced Acid Hydrolysis of Pretreated Corncob for Glucose Production: Kinetics, Thermodynamics and Optimization Analysis by A.I. Adeogun, B.E. Agboola, M.A. Idowu, T.A. Shittu

    Published 2019-08-01
    “…Thermodynamic parameters revealed endothermic process with positive Gibb’s free energy of hydrolysis having average values of 84.76 kJ/mol and 79.87 kJ/mol for pretreated and untreated samples respectively. …”
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    Article
  20. 1500

    Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage by Kamon Thinsurat, Zhiwei Ma, Anthony Paul Roskilly, Huashan Bao

    Published 2022-08-01
    “…The heat from the PV/T drives endothermic desorption, whilst the electricity from the PV/T powers the compressor to assist the low-temperature desorption. …”
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    Article