-
401
Bandwidth Enhancement of a Backfire Microstrip Patch Antenna for Pervasive Communication
Published 2014-01-01“…Here we design proposed geometry for 3 GHz. For this geometry we achieved 52.8% bandwidth for VSWR <2, minimum return loss −20 dB, and maximum directivity 7.2 dBi.…”
Get full text
Article -
402
Optimization of hydrocyclon for phosphatic rock separation using CFD
Published 2021-08-01“…In order to optimize the separation process and reduce operating costs, 11 modifications were proposed in the geometry of HC11, called B1, B2, B3, C1, C2, C3, D1, D2, E1, E2 and E3. …”
Get full text
Article -
403
Geodesics of Finsler Hayward black hole surrounded by quintessence
Published 2024-12-01“…Abstract This research paper delves into examining the Hayward black hole structure surrounded by quintessence within the framework of Finsler geometry. Our focus centers on the Finsler metric tensor development for black holes. …”
Get full text
Article -
404
Performance optimization of Maisotsenko cycle heat exchangers: A three-dimensional parametric analysis
Published 2025-03-01“…The research examines the impact of key parameters, including fluid flow rate, inlet humidity, and channel geometry, on heat transfer efficiency. Results indicate that reducing inlet humidity and increasing flow rate improves heat transfer, while channel geometry is critical to performance. …”
Get full text
Article -
405
Speed Distribution Prediction of Freight Vehicles on Mountainous Freeway Using Deep Learning Methods
Published 2020-01-01“…The aim of this paper is to apply the deep learning method to predict the general condition of driving speed in consideration of the road geometry and the temporal evolutions. 3D mobile mapping was applied to obtain road geometry information with high precision, and driving simulation experiment was then conducted with the help of the road geometry data. …”
Get full text
Article -
406
Synthesis, characterization and antimicrobial effect of Cu(ii) and Zn(ii) compounds derived from 1,2,4-triazoles
Published 2022-01-01“…The IR and UV-VIS of Cu(II)-mta derivatives revealed two possible geometric patterns for the metallic ion; a distorted bipyramidal trigonal geometry for compounds 10 and 11 in solution, and in the solid state, the same geometry for complex-10, but for complex-11, the IR data suggest a distorted octahedral geometry. …”
Get full text
Article -
407
Development of a high-temperature Inconel 625 heat exchanger by model design and binder jetting additive manufacturing
Published 2025-03-01“…Two sintering temperatures were used to investigate the effects of the temperature on densification and microstructure. For channel geometry design, the heat transfer capabilities of the heat exchanger were optimized for the cross-section geometry of fluid flow channels in a counterflow configuration, and a stress analysis was conducted to investigate the effects of channel geometry. …”
Get full text
Article -
408
The Research of the Influence on Stress below the Roadway Floor of the Coal Seam Becoming Thin
Published 2022-01-01“…The results drawn in this paper may be helpful to predict and control dynamic disasters when the geometry of the coal seam varies.…”
Get full text
Article -
409
Focusing surface phonon-polaritons for tunable thermal radiation
Published 2025-01-01“…The obtained results thus introduce the conical geometry as a powerful degree of freedom for tailoring thermal radiation, with potential implications for energy harvesting and thermal management at the nanoscale.…”
Get full text
Article -
410
Analytic Solutions to Reflection-Transmission Problem of Interface in Anisotropic Ice Sheet
Published 2020-01-01“…In this paper, firstly, we deduce the expression of eigenvalues and eigenvectors of anisotropic media, which are determined by permittivity tensor and geometry of media. Then, the analytic formulas of reflection and transmission coefficients are derived directly by matrix transformation. …”
Get full text
Article -
411
Safety Improvements for Personnel and Vehicles in Short-Term Construction Sites
Published 2024-01-01“…Focusing on defining the exact dimensions of static construction sites, this method employs high-precision Real-Time-Kinematics-GNSS for localizing traffic cones and deriving the construction site geometry through respective algorithms. By analyzing the geometry, we can identify situations where maintenance personnel are in close proximity to the active lane or when vehicles enter the construction site. …”
Get full text
Article -
412
Long-term cardiac MRI follow up of MANTICORE (Multidisciplinary Approach to Novel Therapies in Cardio-Oncology REsearch)
Published 2025-02-01“…Objectives We hypothesized that, over time, cardiac function would decline further and adverse changes in cardiac geometry would occur due to the aging of the population and prior treatment. …”
Get full text
Article -
413
Progress in Dual (Piezoelectric-Magnetostrictive) Phase Magnetoelectric Sintered Composites
Published 2012-01-01“…A systematic relationship between composition, microstructure, geometry, and properties is presented which will lead to development of high-performance magnetoelectric materials.…”
Get full text
Article -
414
Understanding Groundwater Resource Vulnerability at Bryce Canyon National Park, Utah, Using Applied Geophysics at the Rubys Inn Thrust Fault
Published 2025-01-01“…The study demonstrates that ERT is a cost-effective and noninvasive tool for detecting the precise surface location and delineating subsurface fault geometry in otherwise data-poor areas with sensitive ecological or archaeological resources.…”
Get full text
Article -
415
Structural, Electronic, Elastic, Mechanical, and Opto-Electronic Properties for ZnAg2SnS4 and ZnAg2Sn0.93Fe0.07S4 Photocatalyst Effort on Wastewater Treatment through the First Pri...
Published 2023-01-01“…The structural geometry parameters were determined along with the electronic band structure, density of state (DOS), partial density of state (PDOS), Mulliken charge population, elastic constant, and optical characteristics. …”
Get full text
Article -
416
Interaction model estimation-based robotic force-position coordinated optimization for rigid–soft heterogeneous contact tasks
Published 2025-03-01“…Within the MPIC, robot dynamics are linearized, and Extended Kalman Filters are used for the online estimation of geometry-aware parameters. Meanwhile, a geometry-aware Hertz contact model is introduced for the online estimation of contact forces. …”
Get full text
Article -
417
Synthesis, Spectroscopic, and Antimicrobial Studies on Bivalent Nickel and Copper Complexes of Bis(thiosemicrbazone)
Published 2007-01-01“…On the basis of spectral studies, an octahedral geometry has been assigned for Ni(II) complexes but a tetragonal geometry for Cu(II) complexes. …”
Get full text
Article -
418
Mathematics learning for school readiness of kindergarteners in the western rural area of china – taking county s as an example
Published 2014-04-01“…From the research carried out, it was concluded that development in different math abilities are not coordinated, that the children’s performance in number and volume are much better than in geometry and relationship, and that there are significant differences between different kindergartens regarding location and funding – children from independent public kindergartens and private kindergartens, charging expensive tuition fees and located in county towns, are much better than others. …”
Get full text
Article -
419
Mechanism of Imprinting Process in the Ni-P Metallic Glass Films: A Molecular Dynamics Study
Published 2023-01-01“…In this study, the molecular dynamics (MD) simulation was used to evaluate the role of imprinting temperature and the mold-cavity geometry on the imprinted Ni-P metallic glass (MG) films. …”
Get full text
Article -
420
Effects of Quintessence Dark Energy on the Action Growth and Butterfly Velocity
Published 2020-01-01“…We compare late time approximation of the action growth by perturbed geometry in small limits of shift function. Actually we investigate the evµolution of complexity when thermofield double state on the boundaries is perturbed by local operator corresponding to a shock wave geometry as holographically. …”
Get full text
Article