Showing 161 - 180 results of 536 for search 'detection diffraction', query time: 0.06s Refine Results
  1. 161

    Research Status and Development Trend of LiDAR Super-resolution Imaging Technology by Yulin GUO, Yihua HU, Jiajie FANG, Shilong XU, Xinyuan ZHANG

    Published 2025-06-01
    “…Traditional optical or radar detection technologies are limited by diffraction limit and signal-to-noise ratio constraints, and the detection and identification accuracy of “fast, far, small, and dark” targets is insufficient. …”
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  2. 162

    Organotin(IV) trifluoromethanesulfonate chemistry: isolation and characterization of novel 1,10-phenanthroline-based derivatives by Cattey, Hélène, Plasseraud, Laurent

    Published 2024-05-01
    “…The reactivity of 1 toward 2,9-dimethyl-1,10-phenanthroline was also explored (dmphen), leading to the detection of characteristic fingerprints of distannoxanes 2 and 4 by 119Sn{119H} NMR, and to the crystallization of phenanthrolinium triflate salts, which were characterized by X-ray diffraction analysis as dmphenHOTf and dmphenHOTf·dmphen.…”
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  3. 163

    Photoelectrochemical Biosensor Based on 1D In<sub>2</sub>O<sub>3</sub> Tube Decorated with 2D ZnIn<sub>2</sub>S<sub>4</sub> Nanosheets for Sensitive PSA Detection by Huihui Shi, Jianjian Xu, Yanhu Wang

    Published 2025-06-01
    “…Proposed bioassay protocol possessed a linear range from 0.001 to 50 ng/mL and a detection limit at 0.00037 ng/mL. In addition, this biosensor exhibited satisfactory anti-interface ability and stability, which also could be extended to other quantitative platforms for detecting other proteins.…”
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  4. 164

    Fabrication of highly efficient quartz crystal microbalance ammonia sensor based on Cu-BTC nanocomposites by Kobra Vazirinezhad, Fatemeh Shariatmadar Tehrani, Sedigheh Zeinali, Maryam Tohidi

    Published 2025-06-01
    “…Therefore, a simple and efficient method for its detection is very important. A quartz crystal microbalance (QCM) gas sensor modified with porous nanomaterials is proposed as a new device with high performance at ambient temperature. …”
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  5. 165
  6. 166

    Ionic Organic Network-based C3-symmetric@Triazine core as a selective Hg+2 sensor by Maha A. Alshubramy, M. M. Alam, Khalid A. Alamry, Abdullah M. Asiri, Mahmoud A. Hussein, Mohammed M. Rahman

    Published 2024-12-01
    “…The nanocomposite-modified electrode presented an excellent sensitivity of 83.33 µAµM − 1 cm − 2, a low detection limit of 0.033 nM, and a linear dynamic range of 0.1 nM to 0.01 mM (R2 = 0.9945).…”
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  7. 167

    Humidity-Triggered Reversible 0–1D Phase Transition in Hybrid Antimony Halides by Yi Liu, Jiahua Luo, Abdusalam Ablez, Jinmei Liu, Nianhao Wang, Haowei Lin, Zeping Wang, Xiaoying Huang

    Published 2025-03-01
    “…Based on the high contrast of fluorescence before and after phase transition, (Mp)<sub>3</sub>SbCl<sub>6</sub>·MeCN is demonstrated as an ideal material for fluorescence water sensing, capable of detecting trace amounts of water in tetrahydrofuran with a detection limit of 0.2% <i>v</i>/<i>v</i>.…”
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  8. 168

    Electrochemical Detection of H<sub>2</sub>O<sub>2</sub> Using Bi<sub>2</sub>O<sub>3</sub>/Bi<sub>2</sub>O<sub>2</sub>Se Nanocomposites by Pooja D. Walimbe, Rajeev Kumar, Amit Kumar Shringi, Obed Keelson, Hazel Achieng Ouma, Fei Yan

    Published 2024-10-01
    “…The Bi<sub>2</sub>O<sub>3</sub>/Bi<sub>2</sub>O<sub>2</sub>Se nanocomposites were synthesized using a simple solution-processing method at room temperature, resulting in a unique heterostructure with remarkable electrochemical characteristics for H<sub>2</sub>O<sub>2</sub> detection. Characterization techniques, including powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM), confirmed the successful formation of the nanocomposites and their structural integrity. …”
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  9. 169

    Research on shale lamination types and logging characterization methods: A case study of the Funing Formation Member 2 in Gaoyou Sag, Subei Basin by TANG Lei, LIAO Wenting, XIA Lianjun, MA Jie, ZHANG Juan

    Published 2025-02-01
    “…Based on the geological characteristics of the shale lamination distribution, further analysis was conducted using methods such as edge detection from electrical imaging well logging and shale deposition rate calculation. …”
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  10. 170

    Vanadium MXene-Modified Disposable Screen-Printed Electrodes for Highly Sensitive Glucose Sensing by Akanksha Shrivastav, Sonam Singh, Reema Rawat, Annu Mishra, Pankaj Kumar, Ajeet Kaushik, Ashish Mathur

    Published 2025-01-01
    “…The addition of Vanadium carbide MXene enhances interlayer distance, providing enhanced stability, biocompatibility, and signal amplification. X-Ray Diffraction (XRD), Fourier Transform Infra-Red spectroscopy (FTIR), Field Emission-Scanning Electron Microscopy (FE-SEM), Raman spectroscopy, BET and X-ray photoelectron spectroscopy (XPS), and Transmission electron microscopy (TEM) were used to characterize the synthesised MXene. …”
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  11. 171

    Sensitive Orbital Angular Momentum (OAM) Monitoring by Using Gradually Changing-Period Phase Grating in OAM-Multiplexing Optical Communication Systems by Yangjin Li, Jing Deng, Jianping Li, Zhaohui Li

    Published 2016-01-01
    “…Based on GCPPG, zero-order diffraction can be eliminated, and the diffraction power can be concentrated to the first-order diffraction. …”
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  12. 172
  13. 173

    Maximizing the biochemical resolving power of fluorescence microscopy. by Alessandro Esposito, Marina Popleteeva, Ashok R Venkitaraman

    Published 2013-01-01
    “…Here, we develop a mathematical characterization of the biochemical resolution in fluorescence detection with Fisher information analysis. To improve the precision and the resolution of quantitative imaging methods, we demonstrate strategies for the optimization of fluorescence lifetime, fluorescence anisotropy and hyperspectral detection, as well as different multi-dimensional techniques. …”
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  14. 174

    Communicating at a record 14.5 bits per received photon through a photon-starved channel by Sai Kanth Dacha, René-Jean Essiambre, Alexei Ashikhimin, Andrea Blanco-Redondo, Frank R. Kschischang, Konrad Banaszek, Yuanhang Zhang

    Published 2025-08-01
    “…We report here an experimental demonstration of optical detection at a record PIE of 14.5 bits per incident photon, or 17.8 bits per detected photon, after 87.5 dB of attenuation. …”
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  15. 175

    Neodymium-doped SnS nanomaterials: ultrasound-assisted synthesis, characterization, and investigation of its physical properties by Mostafa Yousefi, Younes Hanifehpour, Mehdi Abdolmaleki, Negin Rahmani

    Published 2024-04-01
    “…Next, the surface and structure of the synthesized samples were thoroughly analyzed using different detection techniques such as scanning electron microscopy, X-ray energy scattering, X-ray photoelectron spectroscopy, and X-ray diffraction. …”
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  16. 176

    Innovative self-assembled silver nanoparticles on reduced graphene oxide hydrogel nanocomposite for improved electrochemical hydrogen generation and sensing by Edwin Makhado, Wilson M. Seleka

    Published 2025-08-01
    “…The proposed electrochemical sensor offers an exciting approach for the detection of hydrogen gas. The sensor was fabricated and its microstructure characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). …”
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  17. 177

    Tunable Diode Laser Plasmonic Grating Spectroscopy for Hydrogen Sensing by Gabriel de Freitas Fernandes, Ignacio Llamas Garro, Joaquim Ferreira Martins Filho, Eduardo Fontana

    Published 2025-01-01
    “…This work proposes the Tunable Diode Laser Plasmonic Grating Spectroscopy technique to achieve a system architecture in which narrower resonances observed in metallic diffraction gratings enable the spectral detection of analytes. …”
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  18. 178

    RESEARCH METHODS OF THE PROPERTIES OF DEFECTIVE ELECTRICAL EQUIPMENT by A. Yu. Kubarev, A. B. Zakirova, Yu. G. Kubarev

    Published 2018-05-01
    “…In calculating, the fractal characteristics methods are being suggested for the detection of redistribution of intensity of electromagnetic field due to the occurrence of diffraction, scattering and interaction with the heterogeneity of the components of equipment.…”
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  19. 179

    Advancing dynamic quantum crystallography: enhanced models for accurate structures and thermodynamic properties by Helena Butkiewicz, Michał Chodkiewicz, Anders Ø. Madsen, Anna A. Hoser

    Published 2025-01-01
    “…Advancements in theory, experimental techniques, diffractometers and detection technology have led to the acquisition of highly accurate diffraction patterns, surpassing previous expectations. …”
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  20. 180

    Harmonic clutter recognition and suppression for automotive radar sensors by Jae-Eun Lee, Hae-Seung Lim, Seong-Hee Jeong, Hyun-Chool Shin, Seong-Wook Lee, Seong-Cheol Kim

    Published 2017-09-01
    “…In this article, we propose a novel harmonic clutter recognition and suppression method to overcome the deterioration of a target- or vehicle-detection performance due to harmonic clutters. Although several studies have been performed on the reflection and diffraction on road surfaces for automotive radar sensors, most of them did not consider the case where metallic structures such as iron tunnels with greater reflection are densely distributed. …”
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