Showing 2,361 - 2,380 results of 4,117 for search '"ions"', query time: 0.06s Refine Results
  1. 2361

    Novel strategy to control the elevated drizzle scale in chemical EOR pilot with unfavorable harsh environment of sandstone reservoir by Mohammad Yunus Khan

    Published 2024-11-01
    “…The optimized pre-flush strategy was chosen based on minimal divalent ion production to control scale. Thermal simulation shows that this optimized pre-flush strategy resulted in significant cooling of the reservoir in the pilot area prior to ASP injection. …”
    Get full text
    Article
  2. 2362

    Simultaneous Determination of Cr, As, Se, and Other Trace Metal Elements in Seawater by ICP-MS with Hybrid Simultaneous Preconcentration Combining Iron Hydroxide Coprecipitation an... by Akihide Itoh, Masato Ono, Kota Suzuki, Takumi Yasuda, Kazuhiko Nakano, Kimika Kaneshima, Kazuho Inaba

    Published 2018-01-01
    “…In the present study, ICP-MS with a new hybrid simultaneous preconcentration combining solid phase extraction using chelating resin and iron hydroxide coprecipitation in one batch at a single pH adjustment (pH 6.0) were developed for multielement determination of trace metal ions in seawater. In multielement determination, the present method makes it possible to determine Cr(III), As(V), Se (IV), and other 14 trace metal elements (Ti, V, Co, Ni, Cu, Zn, Zr, Ge, Cd, Sb, Sn, W, Pb, and U) in seawater. …”
    Get full text
    Article
  3. 2363

    Green synthesis of Au-Pt bimetallic nanoparticels using Croton caudatus Geisel leaf extract and their biological studies by P.Vijaya Kumar, K.S. Pushpavalli, Baskaran Ganesh Kumar, S.Mary Jelastin Kala, K.S. Prakash

    Published 2025-01-01
    “…It has been proposed that plant phytochemicals with reducing or antioxidant properties reduce metal ions into metal nanoparticles. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray (EDX) analysis, Fourier-transform infrared (FT-IR) spectroscopy, and ultraviolet (UV) spectroscopy were all utilized to completely characterize the synthesized nanoparticles. …”
    Get full text
    Article
  4. 2364

    Iconography of abnormal non-neuronal cells in pediatric focal cortical dysplasia type IIb and tuberous sclerosis complex by Joyce Zhang, Deneen Argueta, Xiaoping Tong, Harry V. Vinters, Gary W. Mathern, Carlos Cepeda

    Published 2025-01-01
    “…We hypothesize that, although the exact role of abnormal non-neuronal cells in FCDIIb and TSC remains mysterious, it can be suggested that cells displaying more glial-like properties function in a similar way as astrocytes do, i.e., to buffer K+ ions and neurotransmitters, while those with more neuronal properties, may represent a metabolic burden due to high energy demands but inability to receive or transmit electric signals. …”
    Get full text
    Article
  5. 2365

    Optimization, Characterization, and Antibacterial Activity of Copper Nanoparticles Synthesized Using Senna didymobotrya Root Extract by Bernard Otieno Sadia, Jackson Kiplagat Cherutoi, Cleophas Mecha Achisa

    Published 2021-01-01
    “…This study for the first time aimed at optimizing the synthesis conditions (concentration of copper ions, temperature, and pH) to obtain the smallest size of CuNPs, characterizing and testing the antibacterial efficacy of CuNPs prepared from Senna didymobotrya (S. didymobotrya) roots. …”
    Get full text
    Article
  6. 2366

    The degradation of highly stable oilfield pollutants by supported zero-valent transition metals in a dual-oxidation system by BAI Bingbing, YANG Chenye, DOU Longlong, ZHOU Rui, ZHANG Jie, TANG Ying

    Published 2024-12-01
    “…However, there are issues such as excessive oxidant dosage, narrow pH range, and secondary pollution caused by metal ions leaching. To address these problems, a highly dispersed supported zero-valent copper catalyst(Cu0@LDHs) was obtained by loading transition metal copper onto hydrotalcite(LDHs) carriers by the impregnation-reduction method. …”
    Get full text
    Article
  7. 2367

    Impact of the COVID-19 Event on the Characteristics of Atmospheric Single Particle in the Northern China by Zheng Li, Jingjing Meng, Ling Zhou, Ruiwen Zhou, Mengxuan Fu, Yachen Wang, Yanan Yi, Aijing Song, Qingchun Guo, Zhanfang Hou, Li Yan

    Published 2024-12-01
    “…The total particles during DP peaked at a larger size than those during BP, due to the higher fraction of secondary inorganic ions through the enhanced heterogeneous aqueous oxidation. …”
    Get full text
    Article
  8. 2368

    Using RNA-Seq to Explore the Repair Mechanism of the Three Methods and Three-Acupoint Technique on DRGs in Sciatic Nerve Injured Rats by Tao-tao Lv, Yan-jun Mo, Tian-yuan Yu, Shuai Shao, Meng-qian Lu, Yu-ting Luo, Yi Shen, Yu-mo Zhang, Wong Steven

    Published 2020-01-01
    “…GO function is enriched in the positive regulation of cell processes, ion binding, protein binding, neuron, response to pressure, response to metal ions, neuron projection, and other biological processes. …”
    Get full text
    Article
  9. 2369

    Luminescent Lanthanide Infinite Coordination Polymers for Ratiometric Sensing Applications by Ziqin Song, Yuanqiang Hao, Yunfei Long, Peisheng Zhang, Rongjin Zeng, Shu Chen, Wansong Chen

    Published 2025-01-01
    “…Ratiometric lanthanide coordination polymers (Ln-CPs) are advanced materials that combine the unique optical properties of lanthanide ions (e.g., Eu<sup>3+</sup>, Tb<sup>3+</sup>, Ce<sup>3+</sup>) with the structural flexibility and tunability of coordination polymers. …”
    Get full text
    Article
  10. 2370

    An ultrasound-driven PLGA/Zn-KNN hybrid piezoelectric scaffold with direct and immunoregulatory antibacterial activity for bone infection by Yuhao Zheng, Shu Wang, Wenhe Jin, Zhuoxuan Li, Guoju Yang, Xiaoxu Li, Ning Li, Yue Wang, Fan Sheng, Zhiming Song

    Published 2025-05-01
    “…Furthermore, the piezoelectric scaffold released zinc ions, and electrical stimulation driven by ultrasound resulted in significant antibacterial effects through direct and immunoregulatory antibacterial pathways. …”
    Get full text
    Article
  11. 2371

    Boundary plasma studies for a spherical tokamak with lithium walls by A. Antony, L. Carbajal, T.D. Rognlien, M.V. Umansky, A. Froese, S. Howard, C. Ribeiro, R. Ivanov, C. Dunlea, C.P. McNally

    Published 2025-03-01
    “…Furthermore, it is found that the total sputtering of the limiter is significantly lower than the sputtering of the wall in some of the limiter configurations studied. Lithium ions and neutral behaviour are compared between limited and diverted configurations.…”
    Get full text
    Article
  12. 2372

    Electrochemically-driven solid oxide tubular membrane reactor for efficient separation of oxygen and argon by Yuanhui Tang, Yutao Hu, Sisi Wen, Song Lei, Yakai Lin, Li Ding, Haihui Wang

    Published 2025-06-01
    “…Inspired by the principle that O2 can permeate through the electrolyte as oxygen ions (O2-) in a solid oxide electrolysis cell, for the first time, this study designed and developed an electrochemically-driven tubular inorganic membrane reactor to separate O2/Ar mixtures, achieving high-purity Ar (≥99.99 %). …”
    Get full text
    Article
  13. 2373

    A new scheme for boosting in situ Fenton-like reaction in plant pathogenic tissues for selective structural degradation of capsid proteins by Jun Ma, Ming Chen, Yujie Wang, Jiaying Li, Jian Tang, Shengjun Wu, Chi He, J. Paul Chen

    Published 2025-02-01
    “…We designed a new Fenton-like reaction inducer, tCuinter-bCDs, which utilizes an internal doping strategy that reduces copper content by 89.89% compared to conventional doping methods, while still achieving a high coexistence of multivalent copper ions. Our research demonstrated that tCuinter-bCDs possessed functional activity to specifically recognize and proximally degrade CP. tCuinter-bCDs form complexes with CP monomers through supramolecular bonds characterized by significant electrostatic components. …”
    Get full text
    Article
  14. 2374

    Changes in Chemical Composition, Sources, and Health Risk of PM2.5 with Sand Storm at a Small City in North China by Jihong Wei, Ting Hou, Zhiyong Li, Songtao Guo, Zhenxin Li

    Published 2022-05-01
    “…However, the mass contributions of nine water-soluble ions to PM2.5 decreased from 54.0% to 33.5% due to their low contents in sand dust. …”
    Get full text
    Article
  15. 2375

    Application of amorphous zirconium (hydr)oxide/MgFe layered double hydroxides composite in fixed-bed column for phosphate removal from water by A. Nuryadin, T. Imai

    Published 2021-10-01
    “…The coexistence of seawater ions had a positive effect on the phosphate adsorption capacity of the composite. …”
    Get full text
    Article
  16. 2376

    Sodium cation exchanged zeolites for direct air capture of CO2 by Do Yeong Kim, Wo Bin Bae, Haehyun Min, Kyeong-Hun Ryu, Sungjoon Kweon, Linh Mai Tran, Young Jin Kim, Min Bum Park, Sung Bong Kang

    Published 2025-01-01
    “…Compared to the corresponding H-zeolites, the enhancement of CO2 adsorption capacity by Na+ ions was observed for all the structure-type zeolite adsorbents. …”
    Get full text
    Article
  17. 2377

    Application of multi-indexing approach within a GIS framework to investigate the quality and contamination of ground water in Barisal sadar, Bangladesh by Md. Numan Hossain, M. Farhad Howladar, Sohag Ahammed, Md Rezwanul Haque, Majedul Islam Khan, Muyeed Hasan, Tayabur Rashid Chowdhury, Alamgir Hosain

    Published 2025-02-01
    “…The significant positive correlations among EC, TDS, TH, turbidity, salinity, NaCl, chloride, and calcium ions as per correlogram, principal component analysis (PCA) biplot, and heat map clustering, indicating similar sources of origin. …”
    Get full text
    Article
  18. 2378

    Elevating photovoltaic efficiency: Cobalt doping approaches with sustainable transition metal cations in lead halide perovskite solar cells by M.I. Khan, Saddam Hussain, M. Atif, J.E. Leal-Perez, B.A. García-Grajeda, J.M. Mendivil-Escalante

    Published 2025-01-01
    “…X-ray diffraction analysis has attested to the successful integration of Co2+ ions into the cubic structure of MAPbI2Br. It is worthy of note that 3 % Co2+ doping films exhibited an enlarged grain size that is considered a factor that would raise device performance. …”
    Get full text
    Article
  19. 2379

    Recyclable Robust Plastic Scintillation Resin Achieving the Exceptional Separation and Detection of Technetium‐99 by Tonghuan Liu, Yichen Hu, Junqiang Yang, Kesheng Hu, Bei Qi, Yun Zhou, Juan Tong, Man Wang, Liang Huang, Keliang Shi, Xiaolin Hou

    Published 2025-01-01
    “…As expected, the as‐obtained resin exhibits a high adsorption capacity of 549.2 mg g⁻¹ for 99TcO4⁻ with a rapid kinetic response of just 10 min as well as superior selectivity at 1000 times excess of interfering ions and full reusability. Moreover, it showed remarkable stability under 800 kGy, 3.0 mol L−1 HNO3 or 2.5 L solution continuous leaching, consistently maintaining high separation and detection efficiency after recycling 10 times. …”
    Get full text
    Article
  20. 2380

    Chemical versus physical pressure effects on the structure transition of bilayer nickelates by Gang Wang, Ningning Wang, Tenglong Lu, Stuart Calder, Jiaqiang Yan, Lifen Shi, Jun Hou, Liang Ma, Lili Zhang, Jianping Sun, Bosen Wang, Sheng Meng, Miao Liu, Jinguang Cheng

    Published 2025-01-01
    “…The negative correlation between P c and <r A > indicates that replacing La3+ with smaller R 3+ ions is unlikely to reduce P c to ambient pressure. …”
    Get full text
    Article