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241
Research on calculation of transverse bending moment of deck of box girder with long-span and long cantilever
Published 2025-01-01“…The results showed that the transverse bending moment of the long-cantilever plate calculated using Baider Bahkt formula slightly deviated from the calculated value of the plate-shell element, and the deviation between the calculated values of Baider Bahkt formula and Sawko formula was 7.72%. …”
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242
Fractal Continuum Maxwell Creep Model
Published 2025-01-01“…Then, creep strain <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>ε</mi><mo>(</mo><mi>t</mi><mo>)</mo></mrow></semantics></math></inline-formula>, creep modulus <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>J</mi><mo>(</mo><mi>t</mi><mo>)</mo></mrow></semantics></math></inline-formula>, and relaxation compliance <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>G</mi><mo>(</mo><mi>t</mi><mo>)</mo></mrow></semantics></math></inline-formula> in materials with fractal linear viscoelasticity can be described by their generalized forms, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mi>ε</mi><mi>β</mi></msup><mrow><mo>(</mo><mi>t</mi><mo>)</mo></mrow><mo>,</mo><mspace width="0.166667em"></mspace><msup><mi>J</mi><mi>β</mi></msup><mrow><mo>(</mo><mi>t</mi><mo>)</mo></mrow><mrow><mi> </mi><mi>and</mi><mi> </mi></mrow><msup><mi>G</mi><mi>β</mi></msup><mrow><mo>(</mo><mi>t</mi><mo>)</mo></mrow></mrow></semantics></math></inline-formula>, where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>β</mi><mo>=</mo><mi>d</mi><mi>i</mi><mi>m</mi><mi>S</mi><mo>/</mo><mi>d</mi><mi>i</mi><mi>m</mi><mi>H</mi></mrow></semantics></math></inline-formula> represents the time fractal dimension, and it implies the variable-order of fractality of the self-similar domain under study, which are <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>d</mi><mi>i</mi><mi>m</mi><mi>S</mi></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>d</mi><mi>i</mi><mi>m</mi><mi>H</mi></mrow></semantics></math></inline-formula> for their spectral and Hausdorff dimensions, respectively. …”
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243
Exploring Seasonality Indices for Low-Flow Analysis on Tibagi Watershed (Brazil)
Published 2025-01-01“…This study investigated the seasonality of low-flow discharges in the Tibagi watershed, Paraná, Brazil, through the analysis of three indices: Seasonality Ratio (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>R</mi></mrow></semantics></math></inline-formula>), Seasonality Index (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>I</mi></mrow></semantics></math></inline-formula>), and Seasonality Histogram (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>H</mi></mrow></semantics></math></inline-formula>). …”
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244
A Navier–Stokes-Informed Neural Network for Simulating the Flow Behavior of Flowable Cement Paste in 3D Concrete Printing
Published 2025-01-01“…NS equations are embedded into the NSINN to interpret the flow pattern in the 3D printing barrel. The results show that the presented NSINN has a higher accuracy compared to a traditional artificial neural network (ANN) as the Mean Square Errors (MSEs) of the u, v, and p predicted by NSINN are <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1.25</mn><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>4</mn></mrow></msup></mrow></semantics></math></inline-formula>, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1.85</mn><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>5</mn></mrow></msup></mrow></semantics></math></inline-formula>, and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>3.91</mn><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>3</mn></mrow></msup></mrow></semantics></math></inline-formula>, respectively. …”
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245
A mm-Wave 5G Double Slot Array Antenna Based on Gap Waveguide Technology and Glide Symmetries
Published 2025-01-01“…The measurement results show an 11.4% achieved impedance bandwidth (S<inline-formula> <tex-math notation="LaTeX">$_{11} \lt $ </tex-math></inline-formula> -10 dB), covering the 37.20 GHz - 41.58 GHz frequency range. …”
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246
Experimental Study of Steady Blowing from the Trailing Edge of an Open Cavity Flow
Published 2024-12-01“…As a result, the return flow rate increased, causing the separation point on the cavity floor to shift upstream from <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>x</mi><mo>/</mo><mi>L</mi><mo>≈</mo><mn>0.2</mn></mrow></semantics></math></inline-formula> for the no-jet case to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>x</mi><mo>/</mo><mi>L</mi><mo>≈</mo><mn>0.1</mn></mrow></semantics></math></inline-formula> for the <i>J</i> = 0.96 kg/m·s<sup>2</sup> case. …”
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247
Insights into ozone pollution control in urban areas by decoupling meteorological factors based on machine learning
Published 2025-02-01“…On the contrary, the contribution of combustion to VOCs decreased from 33.7 % to 25.1 %. Our results provided new recommendations and insights for implementing O<span class="inline-formula"><sub>3</sub></span> pollution control measures and evaluating the effectiveness of emission reduction in urban areas.…”
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248
Towards a high-quality in situ observation network for oxygenated volatile organic compounds (OVOCs) in Europe: transferring metrological traceability to the field
Published 2025-01-01“…The relative differences were within the measurement uncertainty for acetone, MEK, methanol and acetaldehyde at an amount of substance fractions around 10 <span class="inline-formula">nmol mol<sup>−1</sup></span>. For the working standards based on certified spiked whole-air samples in pressurised cylinders, results showed a good agreement among the laboratories (i.e. differences within the measurement expanded uncertainty (<span class="inline-formula"><i>U</i></span>) ranging between 0.5 and 3.3 <span class="inline-formula">nmol mol<sup>−1</sup></span>) and with the certified amount of substance fraction for acetaldehyde (15.7 nmol mol<span class="inline-formula"><sup>−1</sup></span> <span class="inline-formula">±</span> 3.6 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula"><sup>−1</sup></span>), acetone (17 nmol mol<span class="inline-formula"><sup>−1</sup></span> <span class="inline-formula">±</span> 1.5 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula"><sup>−1</sup></span>) and MEK (12.3 nmol mol<span class="inline-formula"><sup>−1</sup></span> <span class="inline-formula">±</span> 2.3 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula"><sup>−1</sup></span>). …”
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249
Impact of mineral dust on the global nitrate aerosol direct and indirect radiative effect
Published 2025-01-01“…This is due to the continued strong decrease in SO<span class="inline-formula"><sub>2</sub></span> emissions, which is not accompanied by a corresponding decrease in NO<span class="inline-formula"><sub><i>x</i></sub></span> and especially NH<span class="inline-formula"><sub>3</sub></span> emissions. …”
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250
Sphere Theorems for <i>σ<sub>k</sub></i>-Einstein Manifolds
Published 2025-01-01“…In this note, we provide the definitions of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>σ</mi><mi>k</mi></msub></semantics></math></inline-formula>-curvatures and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>σ</mi><mi>k</mi></msub></semantics></math></inline-formula>-Einstein manifolds, and we show that a closed <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>σ</mi><mi>k</mi></msub></semantics></math></inline-formula>-Einstein manifold under certain pinching conditions of a Weyl curvature and Einstein curvature is isometric to a quotient of a round sphere.…”
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251
Power Controlled Resource Allocation and Task Offloading via Optimized Deep Reinforcement Learning in D2D Assisted Mobile Edge Computing
Published 2025-01-01“…This study introduces an optimized deep reinforcement learning (DRL) approach for D2D-assisted task offloading (<inline-formula> <tex-math notation="LaTeX">$T_{o}$ </tex-math></inline-formula>) and resource allocation (<inline-formula> <tex-math notation="LaTeX">$R_{a}$ </tex-math></inline-formula>) to address these challenges. …”
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252
A Muscle Physiology-Based Framework for Quantifying Training Load in Resistance Exercises
Published 2025-01-01“…Systemic and local physiological responses were measured, and sessions were volume-equated according to the “volume-load” (VL) method. Results: Significant differences were found between sessions in terms of mechanical work (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo><</mo><mn>0.05</mn></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo><</mo><mn>0.001</mn></mrow></semantics></math></inline-formula>, for LI-MI and MI-HI, respectively), averaged normalised torque (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo><</mo><mn>0.001</mn></mrow></semantics></math></inline-formula>), mechanical impulse (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo><</mo><mn>0.001</mn></mrow></semantics></math></inline-formula>), and rate of force development (RFD, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>p</mi><mo><</mo><mn>0.001</mn></mrow></semantics></math></inline-formula> for LI-MI). …”
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253
Advances in Light Field Spatial Super-Resolution: A Comprehensive Literature Survey
Published 2025-01-01“…Although these models have made significant progress at lower magnifications (e.g., <inline-formula> <tex-math notation="LaTeX">$2\times $ </tex-math></inline-formula> and <inline-formula> <tex-math notation="LaTeX">$4\times $ </tex-math></inline-formula>), current methods exhibit clear limitations at higher magnifications (e.g., <inline-formula> <tex-math notation="LaTeX">$8\times $ </tex-math></inline-formula> and <inline-formula> <tex-math notation="LaTeX">$16\times $ </tex-math></inline-formula>), particularly in maintaining structural integrity and disparity consistency. …”
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254
A Low-Complexity Diversity-Preserving Universal Bit-Flipping Enhanced Hard Decision Decoder for Arbitrary Linear Codes
Published 2024-01-01“…Moreover, it exhibits ‘universal’ applicability to all linear block codes. For a <inline-formula><tex-math notation="LaTeX">$\mathscr {C}(n,k)$</tex-math></inline-formula> code having a minimum distance <inline-formula><tex-math notation="LaTeX">${d_{\min }}$</tex-math></inline-formula>, the proposed decoder incurs a worst-case complexity order of <inline-formula><tex-math notation="LaTeX">$2^{({d_{\min }}-1)}-1$</tex-math></inline-formula>. …”
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255
A Vs-Based Logistic Regression Method for Liquefaction Evaluation
Published 2021-01-01“…The current liquefaction evaluation methods mainly focus on the success rate for liquefied sites so that the evaluation result tends to be conservative at different seismic intensities. …”
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256
Solutions of Cauchy Problems for the Caudrey–Dodd–Gibbon–Kotera–Sawada Equation in Three Spatial and Two Temporal Dimensions
Published 2024-12-01“…Some significant propositions and results are presented in this paper.…”
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257
Seasonal Mathematical Model of Salmonellosis Transmission and the Role of Contaminated Environments and Food Products
Published 2025-01-01“…When <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi mathvariant="script">R</mi><mn>0</mn></msub></semantics></math></inline-formula> is less than 1, the disease-free equilibrium is stable, resulting in the extinction of the disease. …”
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258
Wave erosion, frontal bending, and calving at Ross Ice Shelf
Published 2025-01-01“…We consider satellite observations together with an elastic beam model and a parameterization of wave erosion to better understand the dynamics at the ice shelf front. Our results suggest that on average frontal ablation rather consistently accounts for <span class="inline-formula">20±5</span> m yr<span class="inline-formula"><sup>−1</sup></span> of ice loss at Ross Ice Shelf, likely mostly due to wave erosion and smaller-scale, <span class="inline-formula">𝒪</span>(100 m), foot-induced calving. …”
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259
The role of OCO-3 XCO<sub>2</sub> retrievals in estimating global terrestrial net ecosystem exchanges
Published 2025-01-01“…The results show that when only the OCO-3 XCO<span class="inline-formula"><sub>2</sub></span> is assimilated (Exp_OCO3), the estimated global land sink is significantly lower than that from the OCO-2 experiment (Exp_OCO2). …”
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260
Forecasting contrail climate forcing for flight planning and air traffic management applications: the CocipGrid model in pycontrails 0.51.0
Published 2025-01-01“…Outputs are provided for <span class="inline-formula"><i>N</i></span> aircraft-engine groups, with groupings based on similarities in aircraft mass and engine particle number emissions: <span class="inline-formula"><i>N</i>=7</span> results in a 3 % mean error between the trajectory- and grid-based CoCiP, while <span class="inline-formula"><i>N</i>=3</span> facilitates operational simplicity but increases the mean error to 13 %. …”
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