Showing 1 - 20 results of 29 for search 'Apparent diffusion efficiency', query time: 0.09s Refine Results
  1. 1

    A Novel Grouting Diffusion Monitoring System Based on ZigBee Wireless Sensor Network by Xiangpeng Wang, Tingkai Wang, Jinyu Gao, Meng Yang, Fanqiang Lin, Yong Jia

    Published 2025-04-01
    “…On-site experiments demonstrate that the system can simultaneously monitor multiple profiles and perform inversions in the grouting area, which can be assembled into 3D inversion images for evaluating grout diffusion, offering valuable insights for optimizing construction operations, and enhancing grouting efficiency.…”
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  2. 2

    Evaluation of Clinical Symptoms of Unilateral S1 Nerve Injury Caused by Disc Herniation the via High Resolution MRI and DTI by Zhang C, Hao W, Guo X, Zhang Y, Fu H, Zhang J

    Published 2025-04-01
    “…The effective indicators of S1 neurologic fiber bundle damage were screened by univariate logistic regression analysis and receiver operating characteristic (ROC) curve, and multi-factor logistic regression models were constructed to analyze the diagnostic efficiency of each model.Results: There were no significant differences in age, gender, height, weight, fractional anisotropy (FA) value and apparent diffusion coefficient (ADC) value on both sides of S1 nerve root between groups (P > 0.05). …”
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  3. 3

    The Classification of Vestibular Schwannoma (VS) and Cerebellopontine Angle Meningioma (CPAM) Based on Multimodal Magnetic Resonance Imaging Analysis by Lihua Yuan, Jaming Lu, Xin Shu, Kun Liang, Cheng Wang, Jiu Chen, Zhishun Wang

    Published 2025-05-01
    “…<b>Background/Objectives</b>: This study evaluates the diagnostic efficacy of the apparent diffusion coefficient (ADC) and T1-weighted contrast-enhanced (T1W + C) and T2-weighted (T2W) imaging modalities in differentiating vestibular schwannomas (VSs) and cerebellopontine angle meningiomas (CPAMs), aiming to optimize clinical imaging protocols for these tumors. …”
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  4. 4

    Reexamination of Gain Theory for Intrinsic Photoconductive Devices by Nenad Vrucinic, Yong Zhang

    Published 2025-05-01
    “…Analytic gain formula is obtained for arbitrary drift and diffusion parameters under a bias voltage and by neglecting the polarization effect due to the relative displacement in the electron and hole distributions. …”
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  5. 5

    Diffusion-Weighted Imaging-Based Differentiating between Benign and Malignant Ovarian Lesions by Ali Reza Eftekhari Moghadam, Milad Jalilian, Forouzan Absalan, Farhad Heidari

    Published 2025-05-01
    “…Post-processing of three-dimensional apparent diffusion coefficient (ADC) maps has proven useful in evaluating variable tumors, although its position in ovarian cancer prognosis is until now not well defined. …”
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  6. 6

    Comparison of four MRI diffusion models to differentiate benign from metastatic retropharyngeal lymph nodes by Jun Liu, Li Hua, Fei Wang, Ming Chen, Yinan Sun, Zhi Hu, Luqing Shu, Andong He, Mengxiao Liu, Qing Yang, Juan Zhu, Yinfeng Qian

    Published 2025-05-01
    “…All patients underwent DWI with 12 b-values. Diffusion data were reconstructed using conventional DWI, SEM, FROC, and CTRW models, yielding nine parameters: apparent diffusion coefficient (ADC), distributed diffusion coefficient (DDC)SEM, αSEM, DFROC, βFROC, μFROC, DCTRW, αCTRW, and βCTRW. …”
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  7. 7

    Diagnostic Accuracy of Diffusion Weighted Imaging in Differentiating Benign and Malignant Breast Lesions: A Cross-Sectional Study by Srestha Khan, Senthil Kumar Aiyappan, Ragitha Ramesh, Shriram Natarajan, Ramya Sai Dachepalli, Nishant

    Published 2024-11-01
    “…Apparent Diffusion Coefficient (ADC) is the objective measure of diffusion and is usually lower in malignant breast lesions. …”
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  8. 8

    Synthesis of hierarchical 5A zeolites to improve the separation efficiency of n-paraffins by Jichang Liu, Xuemei Yang, Cheng Wang, Lei Ye, Hui Sun

    Published 2019-07-01
    “…In addition, the diffusion rate becomes apparently slower with the increasing carbon numbers of the examined paraffins. …”
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  9. 9
  10. 10

    Estimation of the Extent of Cervical Cancer Using Multiparametric Magnetic Resonance Imaging by Е. V. Tarachkova, E. V. Nikolaev, М. A. Shorikov, V. О. Panov, I. Е. Tyurin

    Published 2019-11-01
    “…The investigators used the following modalities: T2 weighted imaging (T2WI); T2WI with fat signal suppression; diffusion-weighted image (DWI) with apparent diffusion coefficient (ADC) mapping; T1WI with dynamic contrast-enhanced MRI (DCE-MRI).Results. …”
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  11. 11

    A multivariate model of IVIM-DWI in the preoperative diagnosis of tumor budding grade in rectal cancer by Junyi Fu, Chenglong Zhao, Guangying Zheng, Aiyin Li, Gesheng Song

    Published 2025-06-01
    “…After processing the IVIM sequences, the apparent diffusion coefficient (ADC) from the mono-exponential (ME) model; D, D*, and f from the bi-exponential (BE) model; and the DDC and α from the stretching (SE) model were obtained. …”
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  12. 12

    Evaluation of urea loaded nano clay biopolymer composites and nitrification inhibitors on nitrogen use efficiency under maize-wheat cropping system by Premlata Meena, K. M. Manjaiah, Kapil Atmaram Chobhe, Vinod Kumar Sharma, Hanuman Singh Jatav, Mamta, Ajit Kumar Meena

    Published 2025-04-01
    “…Abstract Across the globe, cereal crops have only < 30% nitrogen (N) use efficiency (NUE) due to significant loss of N.During previous decade nitrification inhibitors (NI) were promoted for better N management and utilization. …”
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  13. 13

    Kinetics of reduction leaching of manganese dioxide ore with Phytolacca americana in sulfuric acid solution by Jianrong Xue, Hong Zhong, Shuai Wang, Changxin Li, Jinzhong Li, Fangfang Wu

    Published 2016-07-01
    “…The effects of stirring speed, leaching temperature and leaching time, particle size, weight ratio of PAP to MDO (CW) and sulfuric acid concentration (CH) on the leaching efficiency of manganese were studied. The leaching efficiency of manganese based on the shrinking core model was found to be controlled by diffusion through the ash/inert layer composed of the associated minerals. …”
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  14. 14

    Assessing impact of strategic investments on development of sustainable artificial intelligence dynamics by Pengwei Zhu, Yiwan Sun

    Published 2025-12-01
    “…Conversely, v2 investments, which promote the widespread adoption and diffusion of AI technologies, demonstrate a more gradual impact on breakthrough frequency, with no apparent saturation point, suggesting a vast untapped market potential for technology spreading. …”
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  15. 15

    A Review of Artificial Intelligence-Based Systems for Non-Invasive Glioblastoma Diagnosis by Kebin Contreras, Patricia E. Velez-Varela, Oscar Casanova-Carvajal, Angel Luis Alvarez, Ana Lorena Urbano-Bojorge

    Published 2025-04-01
    “…Multimodal approaches integrating T1WI with diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) have demonstrated improved classification performance. …”
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  16. 16

    Evaporation Engine: Extraction of work from heat energy of the Universe and potential entropy stored in liquids by Ritesh Singh

    Published 2025-05-01
    “…Since the engine extracts work from heat energy of the Universe, its apparent efficiency is infinity. The entropy needed to convert heat energy into work comes from increased statistical disorder of molecules, unlike conventional engines which extract entropy from flow of heat over a temperature difference. …”
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  17. 17

    Prediction of Reduction Recovery of Iron and Vanadium Oxides in Low-Grade Vanadium–Titanium Magnetite Based on Response Surface Model by Xueting Jiang, Hao Wu, Aijun Deng

    Published 2025-05-01
    “…The study of reaction kinetics shows that the reduction processes of iron and vanadium oxides in VTM are controlled by three-dimensional diffusion conditions. The apparent activation energies of the reactions are 86.76 kJ/mol and 90.30 kJ/mol, respectively.…”
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  18. 18

    Local and global sensitivity analysis of key durability parameters of concrete under chloride environment by Lingjie Wu, Chengjian Yu, Fenfei Shi, Xuping Ni

    Published 2025-06-01
    “…This study investigates the local and global sensitivity of five critical durability parameters affecting concrete performance in chloride environments: concrete cover thickness (d), apparent chloride diffusion coefficient (Dₐₚₚ), surface chloride concentration (Cₛ), critical chloride concentration (Ccr), and age factor (m) for characterizing the time-dependent decay of Dₐₚₚ. …”
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  19. 19

    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
    “…This paper propounds a simple technique aimed at enhancing the efficiency of hydrogen production from DSSW. The hydrolysis reaction is found to become faster when DSSW is ground. …”
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  20. 20

    Performance Optimisation of Low-Damage Foam Fracturing Fluid System in Unconventional Reservoirs by Xuefeng Gong, Liping Mu, Lirong Liu

    Published 2025-01-01
    “…The results indicated that the foam stabilisers serve to stabilise of foam fracturing fluid, thereby reducing the CO2 fluid filtration and improving the fracturing efficiency of reservoir fractures. Furthermore, the stability, apparent viscosity and filtration of CO2 fracturing fluid are all enhanced by reservoir pressure, whereas an increase in reservoir temperature and salinity has the opposite effect. …”
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