-
2481
A Polarization-Power-Maximum-Based 3-D Imaging Method for Ku-Band UAV-Borne Fully Polarimetric Array InSAR
Published 2025-01-01“…Subsequently, we generate 3-D pseudocolor point clouds rendered with estimated height, backscattering coefficients, and polarization parameters. To assess the performance of these Pol-array-InSAR 3-D imaging methods, we conduct a series of comparative experiments using multiple quantitative metrics on a dataset, acquired by our Ku-band unmanned aerial vehicle-borne Pol-array-InSAR system. …”
Get full text
Article -
2482
Modeling transmission dynamics and socio-economic determinants of scarlet fever in Chengdu, China: An integrated SEIAR and machine learning approach
Published 2025-09-01“…The model was evaluated using the coefficient of determination (R²), and sensitivity analysis confirmed its robustness. …”
Get full text
Article -
2483
Validation of a teaching model instrument for university education in Ecuador through an artificial intelligence algorithm
Published 2025-04-01“…The confirmatory factor analysis and SEM procedures verified the adequacy of the theoretical structure and the robustness of the proposed measurement model. Coefficients obtained for reliability and model fit met or exceeded established thresholds in educational research.DiscussionThe findings confirm the empirical soundness of the AI-based instrument and support the feasibility of using such tools to assess and enhance teaching models in higher education. …”
Get full text
Article -
2484
Establishment of a TaqMan qPCR method with MGB probe for the specific detection of BVDV field strains circulating in China
Published 2025-07-01“…Intra- and inter-assay coefficients of variation were below 1.5%, indicating excellent repeatability and reproducibility. …”
Get full text
Article -
2485
The changes in soil-biological processes and structure of microbial community of agrochernozems in conditions of different ways of soil cultivation
Published 2018-05-01“…The level of mechanical impact on the soil affects the quantitative indices and biological activity of microorganisms in the soil - the stronger the effect, the deeper layers are affected. …”
Get full text
Article -
2486
Assessment of the imaging quality and heterogeneous predictive value of readout-segmented echo planar imaging for diffusion-weighted rectal MRI
Published 2025-07-01“…ObjectivesTo qualitatively and quantitatively compare the image quality of readout-segmented echo planar imaging (rs-EPI) and single-shot echo planar imaging (ss-EPI) for diffusion-weighted (DWI) rectal MRI, as well as the heterogeneous predictive value of the apparent diffusion coefficient (ADC) values obtained by the two DWI techniques.MethodsThe rs-EPI and ss-EPI images were subjectively assessed for lesion sharpness, display of normal structure, overall image quality, geometric distortion, and anatomical differences. …”
Get full text
Article -
2487
Development and validation of a deep reinforcement learning algorithm for auto-delineation of organs at risk in cervical cancer radiotherapy
Published 2025-02-01“…The Dice similarity coefficient (DSC), 95th percentile Hausdorff distance, average symmetric surface distance (ASSD), and relative absolute volume difference (RAVD) were used to quantitatively assess the contouring accuracy from different perspectives, enabling the contouring results to be comprehensively and objectively evaluated. …”
Get full text
Article -
2488
Generating synthetic brain PET images of synaptic density based on MR T1 images using deep learning
Published 2025-03-01“…Results The generated SV2A PET images are visually similar to the ground truth in terms of contrast and tracer distribution, quantitatively with low bias (< 2%) and high similarity (> 0.9). …”
Get full text
Article -
2489
DEVELOPMENT HISTORY OF NATURAL SOURCES DOSIMETRY LABORATORY AT THE RESEARCH INSTITUTE OF RADIATION HYGIENE AFTER PROFESSOR P.V. RAMZAEV: 1970–1986
Published 2016-04-01“…In these works there were first obtained the quantitative data on coefficients of natural radionuclides transfer from fertilizers into agricultural plants, data on the natural radionuclides content in phosphate fertilizers of the main manufacturers, and the reference data on the natural radioactivity of arable soils. …”
Get full text
Article -
2490
-
2491
Power balance and divertor asymmetries in the Super-X divertors of MAST-U using SOLPS-ITER
Published 2025-01-01“…A set of simulations with experimentally inferred transport coefficients with $E\,\times\,B$ and diamagnetic drifts activated, consisting of density and power scans, and high field side vs low field side gas puff locations, have been used for code experimentation to uncover trends beyond the current experimental parameter space. …”
Get full text
Article -
2492
CT- and MRI-based volumetry for Chiari-like malformation and syringomyelia in Pomeranians
Published 2025-02-01“…Agreement between MRI- and CT-based quantitative measurements was assessed with intraclass correlation coefficients. …”
Get full text
Article -
2493
Identification of Exiguobacterium acetylicum by a double real- time polymerase chain reaction assay
Published 2017-03-01“…When DNA of different concentrations were added as templates, there was no obvious different in standard deviation of threshold (C<sub>t</sub>), and the coefficient of variation of the same concentration was fluctuation during 0.51 to 1.12. …”
Get full text
Article -
2494
Metode COPRAS untuk Menentukan Kain Terbaik dalam Pembuatan Pakaian pada Butik Batik Hatta Semarang
Published 2021-11-01“…The alternative fabric chosen is cotton fabric with a final result of 99.75%. Spearman Rank coefficient test results obtained a value of 0.866% means that this method is feasible to use. …”
Get full text
Article -
2495
Simulação hidrológica em uma bacia hidrográfica representativa dos Latossolos na região Alto Rio Grande, MG Hydrological simulation in a watershed with predominance of Oxisol in th...
Published 2013-01-01“…The performance of SWAT was measured through Nash-Sutcliffe coefficient (CNS) which was 0.66 and 0.87 for calibration and validation, respectively. …”
Get full text
Article -
2496
Preliminary application of a cervical vertebra segmentation method based on Transformer and diffusion model for lateral cephalometric radiographs in orthodontic clinical practice
Published 2024-12-01“…The segmentation performance was quantitatively evaluated by two metrics, Dice Similarity Coefficient (DSC) and Intersection over Union (IoU), and also qualitatively assessed through physicians' manual annotations and model visualization results.Results·The cervical vertebra segmentation method based on Transformer and diffusion models achieved DSC and IoU scores of 93.3% and 87.5%, respectively, significantly outperforming the U-Net and SOLOv2 methods (with improvements of 3.0% and 4.1% in DSC, and 5.2% and 7.1% in loU, respectively). …”
Get full text
Article -
2497
Expression of the cytoskeletal proteins – cytokeratins and beta-III tubulin in human melanoma cell lines from the collection of N. N. Blokhin National Medical Research Center of On...
Published 2023-10-01“…A panel of 21 human melanoma cell lines was formed with quantitatively estimated expression of cytoske-letal proteins responsible for the migration activity of tumor cells – CKs and TUBB3. …”
Get full text
Article -
2498
Visual Experimental Study of Influence of Fuel Rod Bundle Spacing on Fission Gas Release under Fuel Cladding Failure Conditions
Published 2025-06-01“…The results show that stable bubbles exhibit a zigzag ascent trajectory, which can be quantitatively represented using trigonometric functions. …”
Article -
2499
Distribution Characteristics and Source Analysis of “Three Nitrogen” in Shallow Groundwater in Hailun Area of Heilongjiang Province
Published 2023-08-01“…Multivariate statistical analysis of Pearson correlation coefficient showed that nitrate nitrogen had some homology with Cd, Co, Ni. …”
Get full text
Article -
2500
Correlation Between Post-Pandemic Climate Change Advocacy on TikTok and Knowledge, Attitude, and Adaptation Practices Among TikTok Users in Nigeria
Published 2025-02-01“…This study employed quantitative methods, using content analysis and cross-sectional survey approaches to generate data. …”
Get full text
Article