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321
DESIGN AND RESEARCH OF NEW SUSPENDING BIDIRECTIONAL TIDAL CURRENT ENERGY GENERATION DEVICE
Published 2021-01-01“…The basic airfoil NACA24112 was calculated by the airfoil analysis software Xfoil and simulation software Fluent and used to design a new “S”airfoil,The chord length and twist angle of each blade section were calculated according to Wilson method,finally used CATIA for 3 d modeling and Fluent for simulating the model. …”
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322
SCHEDULING TECHNIQUE OF ROUTE VEHICLES ON DUPLICATING STRETCHES
Published 2021-12-01“…Furthermore, testing the optimization technique of route vehicle scheduling, analysis of the quality of adjusted schedule with route vehicles of different kinds included, and determining the optimization efficiency for duplicating stretches. The adjusting technique of urban passenger transport schedule allows to increase movement steadiness of consecutive vehicles of different routes on duplicating stretches, adjust traffic intervals for each route, shorten the traffic load on stations, reducing idle time and queue lengths of route vehicles in front of transport stops and also minimize waiting time for route vehicle by those passengers who can be transported along several routes. …”
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323
How much timber from Norway spruce (Picea abies L.) is left on the harvesting site as treetops? A study on scaling and grading yields of harvesters
Published 2025-05-01“…Abstract Key message Timber losses during Norway spruce (Picea abies L.) harvesting with the cut-to-length method were analyzed using data from 41,948 stems. …”
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324
Reconfiguration and Search of Social Networks
Published 2013-01-01“…Social networks tend to exhibit some topological characteristics different from regular networks and random networks, such as shorter average path length and higher clustering coefficient, and the node degree of the majority of social networks obeys exponential distribution. …”
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325
Performance Analysis of Decentralized VS Centralized Control for the Traffic Signal Synchronization Problem
Published 2020-01-01“…The signals synchronization issue can be defined as the problem of finding the offsets, the green timings, and the cycle length for a series of controlled intersections, minimizing the total delay of the network subject to admissibility constraints. …”
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326
Prediction of additional hospital days in patients undergoing cervical spine surgery with machine learning methods
Published 2024-12-01“…The research aims to develop an ML-based nomogram model analyzing clinical and demographic factors to estimate hospital length of stay (LOS). Accurate AHD predictions enable efficient resource allocation, improved patient care, and potential cost reduction in healthcare.Methods The study selected CS patients undergoing cervical spine surgery and investigated their medical data. …”
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327
Mathematical modeling of thermal decomposition of resins in the process of reversed gasification of plant biomass
Published 2020-12-01“…To this end, mathematical models are used in different statements: the decomposition of the tar is considered in the approximations of one- and two-reaction kinetic scheme; to assess the influence of the bed height and temperature, the convection-diffusionreaction equation with a given temperature distribution along the length of the reaction zone is used; the temperature of the gasification process is estimated from experimental data and thermodynamic calculations. …”
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328
Longer operative times but equally safe - a propensity score-matched analysis for laparoscopic procedures in women with early-stage (r-ASRM I-II) endometriosis performed by gynecol...
Published 2025-03-01“…This trial aimed to assess the influence of surgical experience on the efficiency and safety of minimally invasive surgery treatment for early-stage endometriosis. …”
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329
Automated underwater plectropomus leopardus phenotype measurement through cylinder
Published 2025-07-01“…Once the corrected keypoint coordinates are obtained, we apply the least squares method, in conjunction with binocular stereo imaging principles, to perform stereo matching and derive the actual 3D coordinates of the keypoints. We calculate the fish body length by measuring the 3D coordinates of the snout and tail. …”
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330
Multiobjective Optimization of Copper Coil Blanking Based on Niche Genetic Algorithm
Published 2023-01-01“…We used the penalty function to deal with the length floating constraint. Then, we established a multiobjective optimization model with the roll weight and the number of tool changing as the weights, which were calculated by an integrated weighting method. …”
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331
Research on the Matching of Impact Performance and Collision Coefficient of Hydraulic Rock Drill
Published 2021-01-01“…It is particularly important to control the stress waveform generated by the piston impact on the drill rod to meet the requirements of efficiency and component durability of some impact mechanical systems. …”
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332
Prediction of critical heat flux in a rod bundle channel with spacer grids based on the Eulerian two-fluid model
Published 2025-01-01“…The deviation between calculated and experimental CHF values was within 15% and the deviation between predicted and experimental CHF locations was within one grid-to-grid span length. …”
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333
COATED TOOL CUTTING TEMPERATURE
Published 2014-12-01“…Experiments on turning St45 by carbide plates made of T15K6 have proved the efficiency of TiN+AlN coatings when the cutting temperature, chip shrinkage, and contact length on the front face (lc) are less than for the base alloy T15K6.…”
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334
Analytical Solution for the Deformation and Support Parameters of Coal Roadway in Layered Roof Strata
Published 2021-01-01“…Based on the Mohr-Coulomb theory, this paper gives the failure criteria of the layered roof strata, and the failure range of the layered roof strata is obtained. The length and pretightening force of bolt (cables) of the layered roof strata can be calculated based on the suspension theory and composite beam theory, which providing a quantitative theoretical basis for the determination of supporting parameters. …”
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335
A Hybrid Strategy for Forward Kinematics of the Stewart Platform Based on Dual Quaternion Neural Network and ARMA Time Series Prediction
Published 2025-03-01“…However, there are some shortcomings in practical applications, such as calculation precision, computational efficiency, the capacity to resolve singular Jacobian matrix and real-time predictive performance. …”
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336
The Study of Roadside Visual Perception in Internet of Vehicles Based on Improved YOLOv5 and CombineSORT
Published 2025-01-01“…In this process, the loss is calculated based on the differences in length, width, and diagonal between the detection and ground-truth boxes, and batch normalization (BN) layer sparsification is applied for convolutional channel filtering. …”
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337
Study of Light Trapping Scheme to Improve Performance of Silicon Solar Cells
Published 2016-03-01“…One of the important branches of physics namely optics can be used for designing an scheme of light trapping for solar cells to reduce the reflection from the front surface and increasing the optical path length of light within the solar cell. In this paper, the potential of light trapping scheme has been studied and calculations have been done using PC1D base model with a solar cell having texturing on front and rear surface. …”
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338
Can a Non-Destructive Method Predict the Leaf Area of Species in the Caatinga Biome?
Published 2025-03-01“…A total of 1293 leaves were collected from these species, scanned, and analysed using ImageJ software to obtain their length, width, and actual leaf area. In addition, the product of length and width was calculated. …”
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339
Design and Analysis of Single Stack AFPM Machines with and without Air gap Between Rotor and Magnetic Poles
Published 2022-06-01“… Permanent Magnet (PM) machines are widely used due to low cost, light weight, small size and better operating efficiency. In this paper, two single stack Axial Flux Permanent Magnet (AFPM) machines with air gap and without air gap are designed using Diameter to length (D2L) method. …”
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340
Optimization Algorithm of Communication Resource Allocation in a Complex Network Based on an Improved Neural Network
Published 2022-01-01“…Increase inertia improves the traditional BP neural network algorithm, using the average path length, clustering coefficient, and connectivity distribution index analysis of the complex network; the improved Hopfield neural network is utilized to confirm each user volume size; it is concluded that their users are able to get the number of subchannels, through the instantaneous channel coarse pair gain dynamic channel allocation, calculating bit load matrix at the same time, minimize transmission power, and achieve bit loading and power allocation and communication resource allocation optimization. …”
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