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10661
Study on the Root Crack Propagation Characteristics and Residual Life of Case-hardened Gears
Published 2023-11-01“…The evolution of stress intensity factor and crack propagation mechanism at different root crack propagation stages is studied. According to the bending fatigue test data of an involute case-hardened gear pair, the calculation model is analyzed and verified, and the accuracy of the model is proved. …”
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10662
Temporal Variability of the Batumi Delta Wetlands
Published 2023-01-01“…For this purpose, the average temperature and total precipitation amount of the months of April, May, June, July, August, and September in the period between 2016-2021 of the study area and the NDWI values of these time periods were determined. Green and NIR bands of Sentinel2 satellite images were used to determine NDWI values. …”
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10663
Numerical Study of High Spectral Efficiency and High-Temperature Energy Harvesting Metamaterial Emitter to Improve Thermophotovoltaic Performance
Published 2023-01-01“…In general, the planned selective nanopyramid emitter was realized with 75% spectrum efficiency for InGaAs band gap energy (0.55 eV) at 1200 K, which was greater than blackbody and prior papers.…”
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10664
Possibilities of the Additional Damping of Unidirectional Fiber Composites by Implementation of Viscoelastic Neoprene and Rubber Layers
Published 2017-01-01“…Expected dependence of the plies orientation onto the shape of the transfer function and even swapping of some of MOD characters (bending, torsion, and their combinations) have been found. …”
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10665
Composite sandwich impact response: experimental and numerical analysis
Published 2019-01-01“…Two families of tests were conducted: fourpoint bending tests and impact drop tests. The second part of the paper focuses on the validation of a FE model for both experimental setups…”
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10666
Study on Deformation Mechanism and Control Measures of Tanziyan Landslide
Published 2022-01-01“…Results show stability state of the landslide is understable to unstable as a whole, and the development process can be roughly divided into three stages: sliding, bending and the cracks are connected. Finally, it is proposed to cut and reshape the slope from the crack groove on the slope top to the national highway, and thenlattice beams and anchor cables are presented to protect the reshaped slope surface. …”
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10667
Analysis of Structural, Optical, and Aquaphobic Properties of Zirconium Oxide Nanofilms by Varying Sputtering Gas
Published 2022-01-01“…The transmittance and band gap were also found to be 90% and 5.33 eV, respectively, at this particular ratio.…”
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10668
Superabsorbent derived from cassava waste pulp
Published 2024-02-01“…The formation of a superabsorbent was confirmed by FTIR spectroscopy, as the spectra exhibited all characteristic bands of both cassava waste pulp and acrylamide. …”
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10669
Influence of mean stress on the fatigue strength of ASTM A743 CA6NM alloy steel
Published 2013-04-01“…Based on the obtained results it was possible to determine parameters that describe the fatigue behavior of the evaluated material, obtain its S-N curves, its endurance limit and its scatter bands. In the assessment of the mean stress effects of fatigue life, Goodman, Gerber, Walker and Kwofie’s relations were tested in order to evaluate the validity of the use of such rules for the tested material. …”
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10670
Elucidating epigenetic landscape of gastric premalignant lesions through genome‐wide mapping of 5‐hydroxymethylcytosines: A 12‐year median follow‐up study
Published 2024-12-01“…An exploratory study was conducted to summarize a 5hmC‐based epigenetic model for predicting cancer progression using multivariable logistic regression and machine learning. The nine‐gene model showed an area under the curve of 87.5% (95% confidence interval: 72%–100%) in the validation samples (one of three), which were set aside before model training. …”
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10671
HIV and the gut microbiome: future research hotspots and trends
Published 2025-02-01“…High-frequency keywords, aside from the key terms, included “HIV,” “inflammation,” “immune activation,” “gut microbiota,” and “translocation.” …”
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10672
Catabolic pathway acquisition by rhizosphere bacteria readily enables growth with a root exudate component but does not affect root colonization
Published 2025-01-01“…We propose that this condition is common and that HGT of many pathways will be self-limiting because the selective benefits are small.IMPORTANCEHorizontal gene transfer (HGT) is a key process in microbial evolution, but the factors limiting HGT are poorly understood. Aside from the rather unique scenario of antibiotic resistance, the evolutionary benefits of pathway acquisition are still unclear. …”
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10673
The biomechanical effects of treating double-segment lumbar degenerative diseases with unilateral fixation through interlaminar fenestration interbody fusion surgery: a three-dimen...
Published 2025-01-01“…Under a pure moment of 10 Nm, range of motion (ROM), extension, lateral bending, axial rotation movements, as well as stresses on interbody fusion devices, internal fixation, and endplates were recorded and compared. …”
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10674
The Impact of Carbon on Electronic Structure of N-Doped ZnO Films: Scanning Photoelectron Microscopy Study and DFT Calculations
Published 2024-12-01“…It has been shown that different columns reveal considerably different shape of the valence band (VB) photoemission spectra and that some of them are shifted towards the bandgap. …”
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10675
Noninvasive Oral Hyperspectral Imaging–Driven Digital Diagnosis of Heart Failure With Preserved Ejection Fraction: Model Development and Validation Study
Published 2025-01-01“…We extracted 25 spectral bands from each patient image and obtained 8 corresponding texture features to evaluate the performance of 28 machine learning algorithms for their ability to distinguish control participants from participants with HFpEF. …”
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10676
Global Navigation Satellite System (GNSS) radio occultation climatologies mapped by machine learning and Bayesian interpolation
Published 2025-01-01“…<p>Global Navigation Satellite System (GNSS) radio occultation (RO) is a space-based remote sensing technique that measures the bending angle of GNSS signals as they traverse the Earth's atmosphere. …”
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10677
Microanalysis of Organic Pigments in Ancient Textiles by Surface-Enhanced Raman Scattering on Agar Gel Matrices
Published 2016-01-01“…Highly structured SERS band intensities have been obtained from the extracted dyes adopting laser light excitations at 514.5 and 785 nm of a micro-Raman setup. …”
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10678
Flexural and Thermal Properties of Novel Energy Conservation Slotted Reinforced Concrete Beams
Published 2016-01-01“…Three RC reference solid beams and six slotted beams were fabricated and tested under four-point bending tests. The test results indicated that the failure mode of both slotted beams and the solid beams was flexural failure. …”
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10679
Multifrequency Piezoelectric Energy Harvester Based on Polygon-Shaped Cantilever Array
Published 2018-01-01“…Numerical investigation showed that piezoelectric polygon-shaped energy harvester has five natural frequencies in the frequency range from 10 Hz to 240 Hz, where the first and the second bending modes of the cantilevers are dominating. Maximum output voltage density and energy density equal to 50.03 mV/mm3 and 604 μJ/mm3, respectively, were obtained during numerical simulation. …”
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10680
Fault Characteristics Analysis of High-Speed Train Transmission Systems
Published 2022-01-01“…The results show that under different fault types, the time domain response of the system has obvious periodic impulse response faults, and the fault frequency band characteristic distribution is different in the frequency domain response. …”
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