Showing 421 - 440 results of 527 for search 'diffusion gap', query time: 0.08s Refine Results
  1. 421

    Synthesis, Characterization, and Evaluation of Boron-Doped Iron Oxides for the Photocatalytic Degradation of Atrazine under Visible Light by Shan Hu, Guanglong Liu, Duanwei Zhu, Chao Chen, Shuijiao Liao

    Published 2012-01-01
    “…The powders were characterized by XRD, UV-vis diffuse reflectance spectra, and porosimetry analysis. …”
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  2. 422

    Preparation and Photocatalytic Dye Degradation Properties of W18O49/Bioi Heterojunction by MI Shixin, MU Hongxu, YANG Lujuan, WANG Jianhao, WU Pengwei, ZHANG Xianhua, LIU Ziwei, ZHUNG Yanli

    Published 2023-02-01
    “… Using BiOI as the precursor, the W18O49 (2%)/BiOI material was prepared by chemical precipitation method.In order to study the photocatalytic performance of the material.The samples were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), ultraviolet visible diffuse reflectance spectroscopy (UV-Vis DRS) and fluorescence spectrophotometer (PL).The results showed that the introduction of W18O49 did not change the crystal structure of BiOI, and the degradation rate of pure BiOI was about 21%, and the degradation rate of the material with W18O49 reached about 98%.The degradation rate of the composite material is significantly higher than that of pure material.The band gap width of pure BiOI and pure W18O49 meterials are about 1.97eVand 3.06eV. …”
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  3. 423

    Structure and Optical Properties of Polycrystalline InxSb30 – xSe70 (0 ≤ x ≤ 25) Chalcogenide Alloys by Shaveta Sharma, Rita Sharma, Praveen Kumar, R. Chander, R. Thangaraj, M. Mian

    Published 2016-06-01
    “…The RAMAN spectra also reveal the formation of chalcogenide based Sb and In structural units. The diffused reflectance spectrum was used to calculate the optical absorption in 800-1500 nm spectral region and used to study the composition dependence of the optical gap in these samples. …”
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  4. 424

    Preparation of Porous F-WO3/TiO2 Films with Visible-Light Photocatalytic Activity by Microarc Oxidation by Chung-Wei Yeh, Kee-Rong Wu, Chung-Hsuang Hung, Hao-Cheng Chang, Chuan-Jen Hsu

    Published 2012-01-01
    “…The cross-sectional transmission electron microscopy micrograph reveals that the mTiO2 films feature porous networks connected by many micron pores. The diffused reflection spectrum displays broad absorbance across the UV-Vis regions and a significant red shift in the band gap energy (∼2.23 eV) for the mTiO2 film. …”
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  5. 425

    Numerical Simulations of Impact River Morphology Evolution Mechanism Under the Influence of Floodplain Vegetation by Heng Xiang, Zhimeng Zhang, Chunning Ji, Dong Xu, Xincong Chen, Lian Tang, Yuelei Wang

    Published 2024-10-01
    “…This study employs numerical simulations to address this gap, focusing on the Xiaolangdi–Taochengpu river section downstream of the Yellow River. …”
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  6. 426

    Absence of Additional Stretching‐Induced Electron Scattering in Highly Conductive Cross‐linked Nanocomposites with Negligible Tunneling Barrier Height and Width by C. Muhammed Ajmal, Juyeong Jeong, Seongsu Cheon, M. K. Majee, Heejun Yang, Seunghyun Baik

    Published 2024-12-01
    “…Furthermore, the barrier height can be precisely controlled by the gap state energy level modulation in silicone rubber using cross‐linkers. …”
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  7. 427

    The NaBH4 Reduction and pH Effects on the Optical Property of Bismuth Vanadate by Riapanitra Anung, Julian Haryanto Michael, Setyaningtyas Tien, Riyani Kapti, Nur Handayani Santi

    Published 2025-01-01
    “…Optical absorption data using a UV-visible diffuse reflectance spectrophotometer showed that the reduction process increases the maximum absorption edge to 575 nm and reduces the band gap energy to 2.78 eV at high pH. …”
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  8. 428

    A bibliometric analysis of the economic effects of using artificial intelligence and ChatGPT tools in higher education institutions by Anna Vorontsova, Svitlana Tarasenko, Wojciech Duranowski, Arkadiusz Durasiewicz, John Soss, Artem Bilovol

    Published 2025-01-01
    “…The application of artificial intelligence can address these issues.The present study aims to identify the key trends, knowledge gaps, and opportunities for further research into the economic effects of using artificial intelligence and ChatGPT tools in higher education. …”
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  9. 429

    Spatial and Temporal Changes in Nutrient Source Contribution in a Lowland Catchment Within the Baltic Sea Region Under Climate Change Scenarios by Damian Bojanowski, Paulina Orlińska‐Woźniak, Paweł Wilk, Ewa Jakusik, Ewa Szalińska

    Published 2024-05-01
    “…Finally, the contribution of urban areas should be further investigated since the dynamics of nitrogen and phosphorus release from impervious surfaces is noticeably different here than from the other diffuse sources.…”
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  10. 430

    Methylene Blue Photodegradation under Visible Irradiation on Ag-Doped ZnO Thin Films by William Vallejo, Alvaro Cantillo, Carlos Díaz-Uribe

    Published 2020-01-01
    “…Additionally, X-ray diffraction, Raman spectroscopy, Atomic Force Microscopy (AFM), diffuse reflectance, and X-ray photoelectron spectroscopy (XPS) measurements were used for physicochemical characterization. …”
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  11. 431

    Structural and Optical Properties for Nanostructure (Ag2O/Si & Psi) Films for Photodetector Applications by Hamad et al.

    Published 2019-12-01
    “…From the optical absorbance data, the energy gap value of the Ag2O thin films was 1.93 eV, where this value substantially depends on the production method, vacuum evaporation of silver, and optical properties of Ag2O thin films are also affected by the precipitation conditions. …”
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  12. 432

    Photocatalytic Degradation of Acid Red and Acid Black Dyes Using Mn-Doped SrTiO₃ Perovskite Nanostructures by Mohammed Khalaf Zidane

    Published 2025-08-01
    “…The substances have been synthesized thru the sol-gel path and comprehensively characterized using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Ultraviolet–Visible Diffuse Reflectance Spectroscopy (UV-Vis/DRS), Brunauer–Emmett–Teller (BET) surface analysis, and Fourier Transform Infrared Spectroscopy (FTIR). surface analysis. …”
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  13. 433

    Keratodermia by L. A. Yusupovа, Z. Sh. Garaeva, E. I. Yunusova, G. I. Mavlyutova, A. R. Galimova

    Published 2021-12-01
    “…The development of hereditary forms is based on mutations of various genes encoding proteins (for example, keratin, desmosomes, loricrin, cathepsin C, gap junction proteins), which are involved in the process of keratinization. …”
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  14. 434

    Monitoring the Amazon River plume from satellite observations by Wei Shi, Menghua Wang

    Published 2024-12-01
    “…The extensive influence of the Amazon River runoff mostly occurred between June and November. The water diffuse attenuation coefficient at 490 nm (Kd(490)) and SSS were significantly impacted by the Amazon River plume in the vast region of the western tropical Atlantic Ocean. …”
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  15. 435

    Produksi Hidrogen Secara Fotokalitik dari Air Murni Pada Katalis NaTaO3 by Husni Husin

    Published 2012-12-01
    “…The catalysts are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and diffuse reflectance UV-Vis (DR-UV-Vis). The photocatalysts have a band gap energy ca. 4.01 and 4.00 eV (corresponding to absorption edge of 310 and 311 nm). …”
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  16. 436

    MCO Perspectives on Medicaid Policy: Racial Equity in Pregnancy and Child Health by Christine McClure, Cynthia Salter, Dara D. Méndez, Evan S. Cole, Sarah A. Sanders, Sydney Sharp, Marquita Smalls, Linda Adodoadji, Adena Bowden, Marian Jarlenski

    Published 2024-12-01
    “…The current study addresses gaps in the research about MCO perceptions regarding the ability of financial policy incentives to improve racial health inequities. …”
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  17. 437

    An Epidemiological Study on <i>Salmonella</i> in Tibetan Yaks from the Qinghai–Tibet Plateau Area in China by Dengyu Li, Kaiqin Zhang, Xiaofeng Xue, Zhanchun Bai, La Yang, Jingjing Qi, Sizhu Suolang

    Published 2024-12-01
    “…They also provide certain data supplements for animal <i>Salmonella</i> infections globally, filling research gaps.…”
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  18. 438

    Geochemical Regulation of Heavy Metal Speciation in Subtropical Peatlands: A Case Study in Dajiuhu Peatland by Zhuo Lu, Yongqiang Ning, Chutong Liu, Xiannong Song, Yong Pang, Quanheng Li, Minglong Yang, Liang Zeng

    Published 2025-06-01
    “…Understanding heavy metal dynamics in subtropical peatlands is critical for addressing global gaps in wetland metal cycling, as these ecosystems face intensified organic decomposition and climatic fluctuations that amplify mobilization risks—contrasting starkly with stable northern counterparts. …”
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  19. 439

    Robotic‐assisted hip and knee revision arthroplasty: A scoping review by Michele Venosa, Giandomenico Logroscino, Emilio Romanini, Gianpiero Cazzato, Giuseppe Petralia, Andrea Vespasiani, Giacomo Placella, Patrizio Caldora

    Published 2025-04-01
    “…Conclusions Although early data are promising, having some possible short‐term advantages, wide diffusion is limited because of high costs, significant training requirements, and limited long‐term outcome data. …”
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  20. 440

    A biobank for complex post-traumatic stress disorder (C-PTSD) and PTSD: study protocol for a cross-sectional study by Alice Mok, Chrystal Douflias, Lena K. L. Oestreich

    Published 2025-12-01
    “…During a single visit, participants will undergo MRI scanning including structural, diffusion-weighted, resting-state, and task-based functional MRI. …”
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