Showing 2,421 - 2,440 results of 3,865 for search '"radiation"', query time: 0.07s Refine Results
  1. 2421

    Optimization of Dual-energy Spectral Lower-extremity Computed Tomography Venography Scanning Protocol: Phantom Study by Shigeng WANG, Renwang PU, Yijun LIU, Xin FANG, Wei WEI, Beibei LI

    Published 2025-01-01
    “…Other imaging parameters for Groups A and B were consistent. The effective radiation doses (ED) for Groups A and B were recorded after scanning, and the contrast-to-noise ratio (CNR) of the iodine rods was calculated. …”
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  2. 2422
  3. 2423
  4. 2424

    Investigation on Circadian Regulation of Four-Primary LED Display Differed in People by GA by Wenhui Li, Junying Li, Yating Feng, Yi Lin, Haoyang Liu, Ruoping Lian, Qinzhen Lin, Jingyi Cui, Zixin Huang, Yaling Chai, Ziquan Guo, Lili Zheng, Zhong Chen

    Published 2024-01-01
    “…The main figures of merit of LED display performance are color gamut of Rec. 2020, luminous efficacy of radiation, correlated color temperature (CCT), and also non-visual parameters, such as circadian stimulus and melanopic efficacy of luminous radiation provided by Commission Internationale de l'Eclairage (CIE) standard. …”
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  5. 2425

    Novel Low-Cost Integrated Multiband Antenna Design Customized for Smartwatch Applications with SAR Evaluation by Brahim Fady, Abdelwahed Tribak, Jaouad Terhzaz, Fatima Riouch

    Published 2020-01-01
    “…The parametric study and final dimensions of the design and the measured results of the reflection and radiation pattern are discussed. The antenna with maximum gain up to 6.6 dBi and S11 up to −22 dB exhibits excellent performance for all the frequencies required in wearable systems such as 1.9 GHz, 2.3 GHz, 2.4 GHz, 2.6 GHz, 5.2 GHz, and 5.8 GHz. …”
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  6. 2426

    ANALYSIS OF ASIR VARIATION EFFECT TO SNR ON UNENHANCED ABDOMINAL CT SCAN IN UROLITHIASIS by Rizki Aditiya Pratama Putra, Paulus Rahardjo, Pramono Pramono

    Published 2020-11-01
    “…Background: Adaptive Statistical Iterative Reconstruction (ASIR) reconstruction in unenhanced abdominal CT scan reduce the radiation dose from 11.6 mSv to 2.07 mSv. However, the decrease in dose is accompanied by a decrease in image quality. …”
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  7. 2427

    Effects of Magnetite Aggregate and Steel Powder on Thermal Conductivity and Porosity in Concrete for Nuclear Power Plant by Han-Seung Lee, Seung-Jun Kwon

    Published 2016-01-01
    “…Concrete has been widely used for nuclear vessels and plant facilities for its excellent radiation shielding. The heat isolation through low thermal conductivity is actually positive for nuclear power plant concrete; however the property may cause adverse effect when fires and melt-down occur in nuclear vessel since cooling down from outer surface is almost impossible due to very low thermal conductivity. …”
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  8. 2428

    Inflammatory Pseudotumor of the Temporal Bone: Three Cases and a Review of the Literature by Huiqin Tian, Tingting Liu, Cong Wang, Lijun Tang, Zhibin Chen, Guangqian Xing

    Published 2013-01-01
    “…Another one underwent tympanomastoidectomy in combination with oral steroids, radiation, and chemotherapy, but the IP still recurred. …”
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  9. 2429

    High efficiency high gain low side lobe level and slant polarization monopulse antenna using cavity backed slot coupled patch antenna by Seyed Mohammad Hamidi, Seyed Mohammad Javad Razavi, Seyed Hossein Mohseni Armaki

    Published 2025-01-01
    “…A new slot antenna is proposed as a radiating element based on a cavity-backed slot-coupled patch antenna. …”
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  10. 2430

    Design and Fabrication of Flexible Nanoantenna-Based Sensor Using Graphene-Coated Carbon Cloth by Senthil Kumar Kandasamy, S. Maheswaran, S. Anbu Karuppusamy, J. Indra, R. Anand, P. Rega, A. Kavitha, K. Immanuvel Arokia James, Kasthuri Nehru, K. Kathiresan

    Published 2022-01-01
    “…Using the designed graphene antenna, the parameters such as voltage standing wave ratio, three-dimensional radiation pattern, and directivity were obtained. After designing of the antenna using ANSYS software, it was physically fabricated. …”
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  11. 2431

    Dual-Polarized Cross Bowtie Dipole for 3G and LTE Applications by Zhi-Ya Zhang, Jia-Yue Zhao, Qiongqiong Liu, Guang Fu

    Published 2013-01-01
    “…Moreover, the stable peak gain, unidirectional radiation patterns, high isolation between the two orthogonal polarizations, and low cross-polarization over the whole operating band are also achieved. …”
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  12. 2432

    Design and Implementation of Automatic Wheat Mower Based on Smart Sensor Fed by a Photovoltaic by Hikmet Esen, Abdullah Kapicioglu, Onur Ozsolak

    Published 2016-01-01
    “…Also maximum power is calculated from used PV panel as 26.15 Watt during the day of the experiments. The range of solar radiation intensity is found 4.5 kWh/m2/day at the studied kWh which was $0.140 USD on the date of November 2015. …”
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  13. 2433

    Accurate Nodes Localization in Anisotropic Wireless Sensor Networks by Ahmad El Assaf, Slim Zaidi, Sofiène Affes, Nahi Kandil

    Published 2015-06-01
    “…Simulations show that our algorithm, whether combined or not with the power saving mechanism, consistently outperforms the best representative localization algorithms currently available in the literature in terms of accuracy, even with the presence of nonuniform node distribution or radiation irregularities.…”
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  14. 2434

    Measuring Response to Therapy by Near-Infrared Imaging of Tumors Using a Phosphatidylserine-Targeting Antibody Fragment by Jian Gong, Richard Archer, Michael Brown, Seth Fisher, Connie Chang, Matthew Peacock, Christopher Hughes, Bruce Freimark

    Published 2013-06-01
    “…Phosphatidylserine (PS) is confined to the inner leaflet of the plasma membrane in normal cells but is externalized on tumor vascular endothelial cells (ECs) and tumor cells, and PS exposure is further enhanced in response to radiation and chemotherapy. In the present study, we evaluated the potential of a PS-targeting human F(ab') 2 antibody fragment, PGN650, to detect exposure of PS in tumor-bearing mice. …”
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  15. 2435

    The Overlooked Role of the Stratosphere Under a Solar Constant Reduction by Ewa M. Bednarz, Daniele Visioni, Antara Banerjee, Peter Braesicke, Ben Kravitz, Douglas G. MacMartin

    Published 2022-06-01
    “…While the omission of some important processes that otherwise operate under SAI was identified before, here we demonstrate that the imposed reduction in the incoming solar radiation also induces a different stratospheric dynamical response, manifested through a weakening of the polar vortex, that propagates from the upper stratosphere down to the troposphere. …”
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  16. 2436

    Weyl fermion creation by cosmological gravitational wave background at 1-loop by Azadeh Maleknejad, Joachim Kopp

    Published 2025-01-01
    “…We work in an expanding Universe in the radiation-dominated era as a fixed background. Gravitational wave-induced fermion production has rich phenomenological consequences. …”
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  17. 2437

    Numerical Solutions of Micropolar Nanofluid over an Inclined Surface Using Keller Box Analysis by Khuram Rafique, Hammad Alotaibi, Taher A. Nofal, Muhammad Imran Anwar, Masnita Misiran, Ilyas Khan

    Published 2020-01-01
    “…In this study, we focus on radiation and Soret effects on a slanted stretchable sheet. …”
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  18. 2438

    Analysis on Communication Influence of Official Microblogs by Nan Chen, Dingguo Yu, Yijie Zhou, Wenjuan Li

    Published 2021-01-01
    “…This study explores the communication influence of official microblog from the perspectives of breadth, depth, and intensity; then, a three-dimensional integration of government microblogs influence calculation model for radiation, activity, and interaction is built and a monitoring and analysis system for the communication influence of government microblog is developed; finally, about 2,800 official accounts and more than 1.5 million articles in Zhejiang Province are monitored and analyzed. …”
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  19. 2439

    Elemental Segregation and Solute Effects on Mechanical Properties and Processing of Vanadium Alloys: A Review by Tianjiao Lei, Chongze Hu, Qiaofu Zhang, Xin Wang

    Published 2025-01-01
    “…Vanadium (V) alloys, such as V-Cr, V-Ti, and V-Cr-Ti alloys, are promising candidates for structural components in fusion energy systems because of their low activation, excellent radiation resistance, good compatibility with liquid lithium, and high ductility. …”
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  20. 2440

    Acute Tracheal Obstruction Secondary to Cervical Liposarcoma Metastasis by Haoyu Chen, Song Zhang, Haining Zhou

    Published 2025-01-01
    “…We report a case of a 43‐year‐old man with cervical liposarcoma who, following surgical excision, chemotherapy, and radiation, presented with severe dyspnea and was admitted to our hospital. …”
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