Showing 1,621 - 1,640 results of 2,155 for search '"endotherms"', query time: 0.09s Refine Results
  1. 1621

    Exploring the Structure and Properties of V<i><sub>w</sub></i>Se<i><sub>y</sub></i>Te<sub>2−<i>y</i></sub> Mixed Crystals in the VTe<sub>2</sub>–VSe<sub>2</sub> System by Sophia Kurig, Fabian Ketter, Anne Frommelius, B. Viliam Hakala, Jan van Leusen, Karen Friese, Richard Dronskowski

    Published 2023-12-01
    “…Simultaneous differential scanning calorimetry/thermogravimetric analyses in a nitrogen atmosphere showed endothermic decomposition accompanied by the formation of VN. …”
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  2. 1622

    Comparison of Two Bovine Commercial Xenografts in the Regeneration of Critical Cranial Defects by Carlos Humberto Valencia-Llano, Diego López-Tenorio, Marcela Saavedra, Paula A. Zapata, Carlos David Grande-Tovar

    Published 2022-09-01
    “…The Fourier-transform infrared spectroscopy (FTIR) analysis demonstrated the carbonate and phosphate groups of the hydroxyapatite and the amide groups of the collagen structure, while the thermal transitions for HA and HA/collagen composites established mainly dehydration endothermal processes, which increased (from 79 °C to 83 °C) for F2 due to the collagen presence. …”
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    Article
  3. 1623

    <i>Acacia catechu</i> Bark Alkaloids as Novel Green Inhibitors for Mild Steel Corrosion in a One Molar Sulphuric Acid Solution by Rajaram Karki, Ajay Kumar Bajgai, Nawaraj Khadka, Onisha Thapa, Tanka Mukhiya, Hari Bhakta Oli, Deval Prasad Bhattarai

    Published 2022-10-01
    “…Further, the spontaneous and endothermic adsorption processes have been indicated by the thermodynamic parameters. …”
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    Article
  4. 1624

    Adsorption Behavior of Sr2+ on Yangjiang Granite by JIANG Qiao, WANG Yan-hui, CHENG Jian-feng, PAN Yue-long, HONG Tao, BAO Chen-yang, LIU Yu, LENG Yang-chun, WANG Li-tao, TUO Xian-guo

    Published 2023-06-01
    “…The fitting thermodynamic equation suggests that adsorption is a spontaneous endothermic reaction. The ion in groundwater such as Ca2+, Mg2+, Fe3+, NO3- all can inhibit the adsorption of Sr2+ by Yangjiang granite, while CO32- can interfere with adsorption by forming polymers with Sr2+. …”
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  5. 1625

    One-Pot Synthesis of Cellulose/MXene/PVA Foam for Efficient Methylene Blue Removal by Weisong Zhao, Hong Chi, Shiyun Zhang, Xue Zhang, Tianduo Li

    Published 2022-06-01
    “…Thermodynamic analysis indicated that the adsorption process was spontaneous and endothermic. Based on FT–IR, EDX and X-ray photoelectron spectroscopy (XPS) analysis, the adsorption mechanism between C–CMP and MB molecules was attributed to electrostatic interaction.…”
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  6. 1626

    Interstitial doping of K and Mn induced structural distortion and electronic properties changes in all‐inorganic CsPbI2Br perovskite by Hong-Tao Xue, Zhong-Lin Hu, Ya-Qiao Luo, Jun-Peng An, Fu-Ling Tang

    Published 2022-01-01
    “…Contrary to the exothermic K-doping, the endothermic Mn-doping reduces the volume of Mn-occupied octahedral interstice by shrinking Mn-Br-I atomic plane and elongating Cs-Cs interatomic distance. …”
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  7. 1627

    Green, Sustainable Synthesis of γ-Fe<sub>2</sub>O<sub>3</sub>/MWCNT/Ag Nano-Composites Using the <i>Viscum album</i> Leaf Extract and Waste Car Tire for Removal of Sulfamethazine a... by Mansooreh Khalatbary, Mohammad Hossein Sayadi, Mahmood Hajiani, Mohsen Nowrouzi, Shahin Homaeigohar

    Published 2022-08-01
    “…The thermodynamic parameters implied that the adsorption process was endothermic. In addition to adsorption of the drug pollutant, the NC demonstrated a superior antibacterial activity against Gram-positive bacteria. …”
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  8. 1628

    Kinetic, isotherm and mechanism investigations of the removal of phenols from water by raw and calcined clays by Hassan Ouallal, Younes Dehmani, Hamou Moussout, Lahcen Messaoudi, Mohamed Azrour

    Published 2019-05-01
    “…The results indicated that the phenol adsorption reached equilibrium within 3 h, and the removal of phenol was enhanced at the same temperature by CCG (2.932 mg/g) adsorbent, compared to RCG (1.640 mg/g) due to the removal of organic matter by heat treatment, and an increase in adsorption temperature, indicating the endothermic process. The adsorbents were characterized by means of X-ray fluorescence, FTIR, XRD, B.E.T, and TGA/DTA analysis and showed that the clay consists essentially of silica and alumina. …”
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  9. 1629

    Efficient and Selective Adsorption of Cationic Dye Malachite Green by Kiwi-Peel-Based Biosorbents by Yanjun Zhao, Xintong Liu, Wenhui Li, Suyun Pei, Yifan Ren, Xinyang Li, Chen Qu, Chuandong Wu, Jiemin Liu

    Published 2023-07-01
    “…Furthermore, thermodynamic studies demonstrated the feasible, spontaneous, and endothermic nature of the adsorption process of MG by NA-KP. …”
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  10. 1630

    Theoretical investigation of the structural, optoelectronic, and the application of waste graphene oxide/polymer nanocomposite as a photosensitizer by Augustine U Agobi, Hitler Louis, Azubike J Ekpunobi, Tomsmith O Unimuke, Alexander I Ikeuba, Anthony M S Pembere, Chiaghanam N Ozoemena

    Published 2022-01-01
    “…The thermodynamic calculation of the various nanocomposites shows that the GO-PVA nanocomposite is highly endothermic among the various nanocomposites with free energy value of 353.71kcal mol ^−1 . …”
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  11. 1631

    Differential thermal analysis of moisture binding in zephyr with different contents of glucose syrup by Inessa V. Plotnikova, Gazibeg O. Magomedov, Dmitry A. Kazartsev, Magomed G. Magomedov, Konstantin К. Polyanskiy, Viktor E. Plotnikov

    Published 2024-02-01
    “…We also studied the endothermic effects at various stages of thermolysis and measured free and bound moisture in the samples. …”
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  12. 1632

    New Process for the Sulfonation of Algal/PEI Biosorbent for Enhancing Sr(II) Removal from Aqueous Solutions—Application to Seawater by Mohammed F. Hamza, Eric Guibal, Khalid Althumayri, Thierry Vincent, Xiangbiao Yin, Yuezhou Wei, Wenlong Li

    Published 2022-10-01
    “…FTIR shows the strong contribution of sulfonate groups for the functionalized sorbent (in addition to amine and carboxylic groups from the support). The sorption is endothermic (increase in sorption with temperature). …”
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  13. 1633
  14. 1634

    Biosorbent Based on Poly(vinyl alcohol)–Tricarboxi-Cellulose Designed to Retain Organic Dyes from Aqueous Media by Ramona-Elena Tataru-Farmus, Ramona Cimpoesu, Iulia Nica, Daniela Suteu

    Published 2023-01-01
    “…The values of the thermodynamic parameters indicated an endothermic process because the free Gibbs energy ranged from −9.286 KJ/mol to −2.208 KJ/mol and the enthalpy was approximately −71.686 KJ/mol. …”
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  15. 1635

    Biogenic Synthesis of Zero Valent Fe/Magnetite Fe<sub>3</sub>O<sub>4</sub> Nanoparticles Using <i>Caralluma acutangula</i> and Application for Methylene Blue Dye Degradation under... by Waleed M. Alamier, Medhat Mohamed El-Moselhy, Ayyob M. Bakry, Nazim Hasan, Abdullah Ali Alamri

    Published 2022-10-01
    “…The data obtained reflect the nonspontaneous endothermic process with 87.8 KJ. mol<sup>−1</sup> activation energy (<i>E<sub>a</sub></i>).…”
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  16. 1636

    The Characterization and Amoxicillin Adsorption Activity of Mesopore CaCO<sub>3</sub> Microparticles Prepared Using Rape Flower Pollen by Lvshan Zhou, Tongjiang Peng, Hongjuan Sun, Xiaogang Guo, Dong Fu

    Published 2019-04-01
    “…In addition, the adsorption process turned out to be endothermic and spontaneous for the CaCO<sub>3</sub> product at 298 K, 308 K, and 318 K.…”
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  17. 1637

    Adsorption characteristics of magnetized biochar derived from Citrus limetta peels by Ayushi Mishra, Himanshu Ojha, Jyoti Pandey, Anjani Kumar Tiwari, Mallika Pathak

    Published 2023-10-01
    “…The thermodynamics analysis revealed that MB's spontaneous and endothermic adsorption onto the MCLB surface followed pseudo-second-order kinetics. …”
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  18. 1638

    Alkaline Modification of <i>Arabica</i>-Coffee and <i>Theobroma</i>-Cocoa Agroindustrial Waste for Effective Removal of Pb(II) from Aqueous Solutions by Carmencita Lavado-Meza, Leonel De la Cruz-Cerrón, Yvan J.O. Asencios, Francielle Candian Firmino Marcos, Juan Z. Dávalos-Prado

    Published 2023-01-01
    “…In addition, the deduced thermodynamic parameters showed the endothermic (Δ<i>H<sup>0</sup></i> > 0), feasible, and spontaneous (Δ<i>G<sup>0</sup></i> < 0) nature of the adsorption processes studied.…”
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  19. 1639

    Functionalized UiO-66-NH2 by trimellitic acid for highly selective adsorption of basic blue 3 from aqueous solutions by Tingting Wang, Tingting Wang, Tingting Wang, Tingting Wang, Lin Han, Lin Han, Lin Han, Lin Han, Xin Li, Xin Li, Xin Li, Xin Li, Tianen Chen, Tianen Chen, Shifeng Wang, Shifeng Wang, Shifeng Wang

    Published 2022-09-01
    “…The adsorption process was non-spontaneous and belonged to an endothermic reaction, in addition, it has great adsorption stability and regeneration The interaction of the modified UiO-66-TLA with BB3 was mainly affected by mechanisms, such as electrostatic interaction, π–π stacking as well as the abundant functional groups on UiO-66-TLA surface. …”
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    Article
  20. 1640

    Spraying and Mixing Characteristics of Urea in a Static Mixer Applied Marine SCR System by Jaehwan Jang, Sangkyung Na, Heehwan Roh, Seongyool Ahn, Gyungmin Choi

    Published 2021-09-01
    “…The mean temperature is 10 °C lower due to the activated endothermic urea-NH<sub>3</sub> conversion reaction and the NH<sub>3</sub> concentration is 80 PPM higher at 1D than those without the mixer. …”
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