Showing 161 - 180 results of 313 for search '"Chemical reaction"', query time: 0.04s Refine Results
  1. 161

    Competing Deactivation Channels for Excited π-Stacked Cytosines by Shuai Yuan, Huiling Hong, Gang Wang, Wenying Zhang, Yusheng Dou, Glenn V. Lo

    Published 2014-01-01
    “…Higher-amplitude vibration of C5 or C6 atoms leads to a nonadiabatic transition to the electronic ground state (a photophysical pathway); otherwise, a chemical reaction leading to the formation of cyclobutane type dimer occurs as found in earlier studies. …”
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  2. 162

    Modeling flame acceleration in H2 turbulent combustion: Strategies to reduce computational cost by A. Dahmani, R.A. Otón-Martínez, F. Nicolás-Pérez, F.J.S. Velasco, O. de Francisco

    Published 2025-03-01
    “…The present study summarizes the investigations conducted to identify and assess reliable modeling strategies for reducing computational cost for the simulations of hydrogen turbulent combustion in nuclear accident scenarios which consider the flame acceleration, with a primary focus on the use of LES coupled with Artificially Thickened Flame Model (TFM) using a detailed chemical reaction mechanism. For this purpose, the LES-TFM model was benchmarked against experimental data of flame acceleration in a tube for lean mixtures. …”
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  3. 163

    High efficiency extractions of V, Cr, Ti, Fe and Mn from vanadium slag by microwave heating by Tan B., Wu S., Wang L.-J., Chou K.-C.

    Published 2021-01-01
    “…The mechanism of efficient chlorination can be summarized as the enhancement of ions diffusion process and enhanced chemical reaction due to local high temperature.…”
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  4. 164

    Effect of oxidizing agents on the treatment of a Colombian lead ore by alternative hydrometallurgical processes by Borda J., Salamanca I.D., Torres R.

    Published 2024-01-01
    “…However, these processes may involve complex chemical reactions and the use of specific chemical reagents, which may require rigorous control and monitoring to ensure the efficiency of the process and the safety of the personnel involved. …”
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  5. 165

    Copper Adsorption Using Hydroxyapatite Derived from Bovine Bone by Lingchang Kong, Xin Liu, Guocheng Lv, Tianming Liu, Peijun Zhang, Yuxin Li, Bin Chen, Libing Liao

    Published 2022-01-01
    “…A kinetic study was accurately fitted by the pseudo-second-order kinetic model interpreted as a chemical reaction. In addition, the column study confirmed hydroxyapatite has excellent hydraulic performance with no clogging phenomenon happened. …”
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  6. 166

    Preparation of SiO2-Capped Sr2MgSi2O7:Eu,Dy Nanoparticles with Laser Ablation in Liquid by Mika Ishizaki, Takao Katagiri, Takao Sasagawa, Yoshitaka Kitamoto, Osamu Odawara, Hiroyuki Wada

    Published 2012-01-01
    “…The combination of laser ablation in liquid and the chemical reaction is important to expand the applications of this method in various research fields.…”
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  7. 167
  8. 168

    Using Modified Fly Ash for Removal of Heavy Metal Ions from Aqueous Solution by Thuy Chinh Nguyen, Trang Do Mai Tran, Van Bay Dao, Quoc-Trung Vu, Trinh Duy Nguyen, Hoang Thai

    Published 2020-01-01
    “…The FTIR spectra of modified fly ash showed that there was no chemical reaction between the surfactants and fly ash. …”
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  9. 169

    Reduction mechanism of titanomagnetite concentrate by carbon monoxide by Sun H.Y., Dong X.J., She X.F., Xue Q.G., Wang J.S.

    Published 2013-01-01
    “…Above 1123 K, the reduction is controlled by interfacial chemical reaction at early stage of the reaction and then turns to the internal diffusion controlling with reaction processing. …”
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  10. 170

    Radioactivity concentration of 14C in the air of 14C urea breath test rooms and the resulting internal dose to medical staff by Bei Yu, Fei Chen, Jing Cao, Dingxin Long

    Published 2025-02-01
    “…Methods: 14CO2 in air was absorbed from the air and turned into calcium carbonate through a chemical reaction. Then, calcium carbonate was prepared into a suspension in a low-potassium glass vial. …”
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  11. 171

    Experimental Study of Methods of Increasing the Efficiency of a Direct-Flow Air-Jet Detonation Engine by Vitalii Stoliarchuk, Oleksandr Zolotko, Oleksandr Aksonov

    Published 2023-06-01
    “…The detonation wave is the main shock wave, behind the front of which a chemical reaction is continuously initiated due to heating during adiabatic compression. …”
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  12. 172

    Numerical Investigation of an Axisymmetric Model Scramjet Assisted with Cavity of Different Aft Wall Angles by Guangwei Ma, Mingbo Sun, Guoyan Zhao, Pei Liu, Tao Tang, Li Fan, Hongbo Wang

    Published 2021-01-01
    “…The configuration of the cavity shear layer changes hugely due to the significant chemical reaction and heat release in the reacting flow field. …”
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  13. 173

    Viability of flax particles to develop cellular construction materials: Physico-mechanical characterisation by Mohamed Hamadou-Ali, Amar Benazzouk, Haikel Ben Hamed

    Published 2022-12-01
    “…The material produced containing different volumes of flax particles (0V (control mortar), 1V, and 2V) was lightened by creating a porous structure in the matrix through a chemical reaction between aluminium powder and free lime. …”
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  14. 174

    Hydrogen Generation from the Hydrolysis of Diamond-Wire Sawing Silicon Waste Powder Vibration-Ground with KCl by Zhicheng Li, Tao Zhou, Jiangfan Liao, Xiufeng Li, Wenhui Ma, Guoqiang Lv, Shimin Zhao

    Published 2025-01-01
    “…The rate-determining step for the rapid reaction of DSSW to produce hydrogen is chemical reaction control, while the slow reaction is controlled by diffusion.…”
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  15. 175

    The Effects of Using Waste Engine Oil Bottom on Physical, Rheological Properties and Composite Modification Mechanism of SBS-Modified Asphalt by Yanbo Wang, Ailian Liu, Weixiang Ding, Fangping Rao, Jun Yuan, Zhihua Zhang, Zhen Xu, Chuanzhou Dong

    Published 2022-01-01
    “…The test results showed that a new characteristic peak appeared in the infrared spectrum of the WEOB-modified SBS asphalt, indicating a chemical reaction in the modification process. Incorporation of WEOB improves both the high-temperature and low-temperature properties of the SBS asphalt binder. …”
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  16. 176

    Effect of Phosphogypsum Amendment on Chemical Properties of Sodic Soils at Different Incubation Periods by Haile Hasana, Sheleme Beyene, Alemayehu Kifilu, Selamyihun Kidanu

    Published 2022-01-01
    “…Thus, the combined application of PG and irrigation water in 7 to 14 days would allow chemical reaction with the soils and reduce sodicity problems to crop planting.…”
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  17. 177

    Atmospheric curing of zinc sulfide concentrate by sulfuric acid below 300°C by Deng F.-L., Xu G.-X., Fan W.-W., Li S., Ma R.-X.

    Published 2022-01-01
    “…The kinetic results support the shrinking core model, which is controlled by an interface chemical reaction with an apparent activation energy of 43.158 kJ/mol.…”
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  18. 178

    Experimental Study on Unconfined Compressive Strength of Organic Polymer Reinforced Sand by Jin Liu, Qiao Feng, Yong Wang, Da Zhang, Jihong Wei, Debi Prasanna Kanungo

    Published 2018-01-01
    “…The UCS of samples with PSS concentration of 30% at 1.4 g/cm3, 1.5 g/cm3, and 1.6 g/cm3 density are 169.22 kPa, 238.6 kPa 5, and 281.69 kPa, respectively. The chemical reaction between PSS and sand particle is at its microlevel, which improves the sand strength by bonding its particles together and filling the pore spaces. …”
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  19. 179

    Comprehensive Research of Scaling Prediction for Gas Reservoir Fluid considering Phase State by Heng Zheng, Chunsheng Pu

    Published 2019-01-01
    “…For the complexity of the direct solution for a phase equilibrium system with a chemical reaction, a simplified method for calculating the phase change and chemical equilibrium in a multiphase equilibrium system with chemical reactions is proposed based on the conservation of materials and the unification of the physical properties of components. …”
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  20. 180

    Investigating the effects of sintering additives and heating regimes on the performances of glass–ceramic proppants derived from industrial wastes by Jincai Zhang, Yueting Fan, Xubo Zhai, Vishnu Vijay Kumar

    Published 2025-02-01
    “…Furthermore, the sintering mechanism was elucidated and all possible chemical reaction were explored at the high temperature sintering process. …”
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