Suggested Topics within your search.
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3041
A novel 3D analytical model and numerical study of bimorph piezoelectric actuators in d33 mode
Published 2025-03-01“…This paper presents a detailed 3D mathematical model for the representative volume element (RVE) of bimorph d33-mode piezoelectric actuators, to examine the intensity and distribution of the electric field Ep and strain S within the piezoelectric material across different planes and under varying conditions. …”
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3042
Development of Curcumin Encapsulated Liposomes in Chlorhexidine-Loaded Organogel Using Ternary Phase Systems for Treatment of Omphalitis in Infants
Published 2025-01-01“…The in vitro release profile best fits the Higuchi mathematical model implying that curcumin release was by diffusion and dissolution mechanism. …”
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3043
Justification and selection of a method for restricting water inflow to horizontal wells in low-permeability terrigenous reservoir conditions using the example of the YuS2 formatio...
Published 2025-01-01“…General scientific methods (analysis, generalization, synthesis, classification) and specific scientific ones (mathematical modeling, software modeling). The set and combination of these methods are adequate to the goals and objectives, object and subject of research of this work. …”
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3044
Thermal performance of Falkner Skan model (FSM) for (GOMoS2)/(C2H6O2-H2O) 50:50% nanofluid under radiation heating source
Published 2025-01-01“…Further, the improved thermal-physical characteristics of hybrid nanofluids will use to enhance the thermal productivity. A mathematical model is developed for the flow situation of (GO-MoS2)/(C2H6O2-H2O) and treated numerically. …”
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3045
Aurora B inhibition induces hyper-polyploidy and loss of long-term proliferative potential in RB and p53 defective cells
Published 2025-01-01“…However, when AURKB inhibitor was removed after 1 day and cells had failed a single cytokinesis to become tetraploid, they retained colony forming ability and long-term proliferative potential. Mathematical modelling of the potential for polyploid cells to produce viable daughter cells demonstrated that cells with >8n DNA and >4 functional spindle poles approach zero probability of a viable daughter, supporting our experimental observations. …”
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3046
Ultrasonic and Microwave-assisted Solid-Liquid Extraction of Ginkgo biloba Phenolics: Study about Mass Transfer and PID Control
Published 2025-02-01“…A diffusion-based mathematical model was developed to explore the mass transfer mechanism about the studied extraction processes, and PID control algorithms were implemented to accurately control the extraction process. …”
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3047
Influence of Wellbore Dogleg Severity on Drilling Friction in Horizontal Wells
Published 2023-01-01“…Aiming at this issue, a mathematical model for computing the radial force caused by axial tension, string bending, and gravity of the string was established. …”
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3048
Measurements of Periodic Signals Phase Shifts with Application of Direct Digital Synthesis
Published 2019-06-01“…The purpose of this work is to create a new phase shift meter for high-frequency periodic signals based on the double-matching method using direct digital frequency synthesis.On the basis of the proposed mathematical model of phase shift measurements of periodic signals by the method of double coincidence using the statistical accumulation of pulse coincidences, a functional diagram of a digital phase shift meter of periodic signals using a direct digital frequency synthesizer is developed. …”
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3049
An Investigation on Speed Control of a Spindle Cluster Driven by Hydraulic Motor: Application to Metal Cutting Machines
Published 2019-01-01“…The research includes the dynamic modeling of the transmission cluster and the transmission from the hydraulic motor to the working shaft via V-belt mechanism, together with the establishment of a mathematical model and fuzzy self-tuning PID controller model. …”
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3050
Model-Based Variation-Aware Optimization for Offset Calibration and Pre-Sensing in DRAM Sense Amplifiers
Published 2025-01-01“…This article proposes a new mathematical model that accurately predicts statistical margin characteristics of bit-line sense amplifiers (BLSAs) with offset calibration (OC) and pre-sensing (PS), while providing techniques to improve sensing margins. …”
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3051
Adsorption of Safranin‐O Dye Onto Almond Shell Sustainable Activated Carbon: Identifying Key Process Factors and Their Effects
Published 2025-01-01“…A definitive screening design DSC was utilized to quickly examine the impact of six adsorption process factors (initial dye concentration, pH, ionic strength, adsorbent dose, contact time, and ultrasonic power) on the adsorption capacity of safranin dye. A mathematical model was developed to determine the effect of each factor and the contribution and interactions between the factors on the adsorption capacity of safranin dye. …”
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3052
An Effective Robust Total Least-Squares Solution Based on “Total Residuals” for Seafloor Geodetic Control Point Positioning
Published 2025-01-01“…When considering its effect on the mathematical model of GNSS/A underwater positioning, the Total Least-Squares (TLS) estimator can be used to obtain the optimal position estimate of the seafloor transponder, with weak consistency and asymptotic unbiasedness. …”
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3053
Efficient Path Planning and Formation Control in Multi-Robot Systems: A Neural Fields and Auto-Switching Mechanism Approach
Published 2025-01-01“…On the other hand, the follower robots are equipped with an auto-switching potential method, which intelligently toggles between attractive forces guiding the followers toward the leader and repulsive forces preventing collisions based on a mathematical model. The effectiveness of this approach is validated through experiments, demonstrating significant improvements in execution speed, path smoothness, and overall system stability compared to competitive methods, including well-known techniques such as A*, Probabilistic RoadMap (PRM), Rapidly-exploring Random Tree Star (RRT*), and also against recent optimization techniques including Grey Wolf Optimization (GWO) and Whale Optimization Algorithm (WOA).…”
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3054
Impactos atmosféricos das transformações territoriais e do crescimento do agronegócio na Amazônia matogrossense
Published 2010-11-01“…Although estimations on the concentration of PM can be obtained from mathematical modeling based on remote sensing, in situ monitoring is fundamental. …”
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3055
Using Milk Urea Nitrogen to Evaluate Diet Formulation and Environmental Impact on Dairy Farms
Published 2001-01-01“…The objectives of this review are to examine the use of milk urea nitrogen (MUN) to measure N excretion and utilization efficiency in lactating dairy cows and to examine impacts of overfeeding N to dairy cows in the Chesapeake Bay drainage basin. A mathematical model was developed and evaluated with an independent literature data set to integrate MUN and milk composition to predict urinary and fecal excretion, intake, and utilization efficiency for N in lactating dairy cows. …”
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3056
Multifield Coupling Mechanism of Unloading Deformation and Fracture of Composite Coal-Rock
Published 2021-01-01“…To solve the problem, this paper combines interdisciplinary theories such as damage mechanics and electromagnetic field theory. The mathematical model of multiphysics coupling during loading and unloading of composite coal-rock is deduced. …”
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3057
Modeling Ebola Virus Disease transmissions with reservoir in a complex virus life ecology
Published 2018-01-01“…We propose a new deterministic mathematical model for the transmission dynamics of Ebola Virus Disease (EVD) in a complex Ebola virus life ecology. …”
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3058
Modelling the Transmission Dynamics of Meningitis among High and Low-Risk People in Ghana with Cost-Effectiveness Analysis
Published 2022-01-01“…Thus, this article develops a mathematical model that ascertains the dynamics involved in meningitis transmissions by partitioning individuals into low- and high-risk susceptible groups. …”
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3059
Using new control strategies to improve the effectiveness and efficiency of the hybrid power system based on the battery storage system
Published 2025-02-01“…These proposed strategies do not need the mathematical model of the studied system and augment the robustness and stability, where the system performance is great. …”
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3060
Prediction of coal dust particle size after spraying dust reduction in roadway based on orthogonal experiment and regression analysis
Published 2024-12-01“…In order to investigate the main factors affecting the effect of spray dust reduction on the particle size of coal dust after spray dust reduction, a quantitative mathematical model was obtained to characterize the quantitative relationship between the influencing factors and the particle size parameters of coal dust after spray dust reduction. …”
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