-
1781
Defect Detection Method of Carbon Fiber Unidirectional Band Prepreg Based on Enhanced YOLOv8s
Published 2025-04-01“…To address the challenges in existing carbon fiber prepreg surface defect detection processes, specifically difficulties in small target detection and inaccuracies in elongated defects with large aspect ratios, this study proposes an enhanced YOLOv8s-based models for defect detection on the surface of carbon fiber unidirectional band prepreg. …”
Get full text
Article -
1782
Research on vibration sources of straddle monorail vehicles based on wavelet theory
Published 2024-05-01“…As for the stable surface irregularity, at 6 Hz, the transverse mean wavelet coherence peak value is 0.44, and the vertical mean wavelet coherence value fluctuates around 0.3. …”
Get full text
Article -
1783
The rise and fall of plankton: long-term changes in the vertical distribution of algae and grazers in Lake Baikal, Siberia.
Published 2014-01-01“…Both surface water temperatures and the intensity of thermal stratification have increased recently in large lakes throughout the world. …”
Get full text
Article -
1784
Fabrication of Anti-Reflective Composite Structures on Inverted Pyramids Using Inductively Coupled Plasma Etching
Published 2025-04-01“…The results demonstrate that the optimal anti-reflective micro-nano composite structure was achieved under the following conditions: SF<sub>6</sub> flow rate of 18 sccm, O<sub>2</sub> flow rate of 9 sccm, C<sub>4</sub>F<sub>8</sub> flow rate of 4 sccm, ICP power of 300 W, RF power of 5 W, and etching time of 5 min. The average reflectivity of the prepared surface structure was as low as 1.86%.…”
Get full text
Article -
1785
Effect of an Exhaust Heat Exchanger with Inserts on the Performance of Thermoelectric Generators
Published 2024-01-01“…The F-type, G-type, and H-type test sections of exhaust heat exchangers showed a maximum average efficiency of 0.80, 0.78, and 0.70%, respectively.…”
Get full text
Article -
1786
Robot Trajectory Tracking Control Based on Neural Networks and Sliding Mode Control
Published 2025-01-01“…The average errors of lateral displacement, longitudinal displacement, and displacement offset of the research method were 0.78cm, 0.45cm, and 0.0181rad, respectively. …”
Get full text
Article -
1787
Brises thermiques à Bizerte : approche multiscalaire
Published 2024-09-01“…Lastly, remote sensing data were used: land cover, surface temperature, Sky View Factor (FVC) maps.The land-sea thermal contrasts give rise to the sea breezes and the land breezes. …”
Get full text
Article -
1788
Performance Study of Random Layout Light Source for Visible Light Communication System
Published 2024-11-01“…The uniformity of the indoor illumination after the combination of the Matern hardcore point process and the particle swarm optimization algorithm reaches 0.84, the deviation of the peak power is reduced by 20%, and the average signal-to-noise ratio value is 0.86, which is an increase in the average signal-to-noise ratio compared to the average signal-to-noise ratio before optimization.…”
Get full text
Article -
1789
Pathohistological properties and histomorphometric characteristics of cancellous bone tissue in iliobiopsies of patients with osteogenesis imperfecta
Published 2013-04-01“…The mean parameter of "osteoid surface" index in age subgroups of children OI-patients, decreases with age increase (insignificant at available number of cases). …”
Get full text
Article -
1790
Experimental Study on Pore Characteristics and Fractal Dimension Calculation of Pore Structure of Aerated Concrete Block
Published 2019-01-01“…The fractal dimension of the pore structure linearly increases with porosity, shape factor, and pore surface area. The fractal dimension of the pore structure decreases with the average pore size and average diameter. …”
Get full text
Article -
1791
Optimization of extrusion parameters for low-cost alumina–kaolin ceramic membranes via CCD
Published 2025-05-01“…This study investigates the effectiveness of central composite design (CCD)-based response surface methodology (RSM) in optimizing the extrusion method-based fabrication conditions of low-cost alumina-kaolin ceramic membranes. …”
Get full text
Article -
1792
Effect of inclusion of biocholine in the diet of laying hens on performance parameters, egg quality, and serum biochemistry
Published 2025-07-01“…The egg quality parameters comprised the average weights of the egg, yolk, shell, and albumen, as well as the Haugh unit, yolk index, shell weight per surface area, yolk color, and average percentages of the constituent parts. …”
Get full text
Article -
1793
Spatial Analysis of Organic Material, CaCO3 and C-Oragnic in Coastal Area, Aceh Besar Regency
Published 2022-09-01“…The distribution of organic carbon and carbonates in the northern part of Aceh Besar, in the Ujong Batee Puteh area, has an average value of 0.86% and 10.28%. While the distribution of C-Organic in the Lamreh area is, on average, 0.44% and carbonate (CaCO3) is 8.03%. …”
Get full text
Article -
1794
Estoque de carbono em solos sob pastagens cultivadas na bacia hidrográfica do Rio Paranaíba / Carbon storage in soils of cultivated pastures in the Parnaiba River basin
Published 2014-08-01“…The surface layer (0-5 cm) showed the highest soil carbon contents on average and for both improved pastures (2.6%) and degraded pastures (1.9 %). …”
Get full text
Article -
1795
Features of hydration of the composite system based on methyl silica AM-1 and dispersed Amanita muscaria mushrooms
Published 2025-06-01“…Apparently, even under conditions of filling a significant part of the interparticle gaps with water, chloroform is able to diffuse to the surface of hydrophobic particles, reducing the interaction of water clusters with the surface and creating conditions for their unification into extended water structures. …”
Get full text
Article -
1796
Anthracite nanoporous carbons obtained by nitric acid intercalation followed by alkaline activation
Published 2025-06-01“…Based on low-temperature nitrogen adsorption-desorption isotherms, the integral and differential dependences of the specific surface area (S) and pore volume (V) on pore average diameter were calculated by the 2D-NLDFT-HS method (SAIEUS program). …”
Get full text
Article -
1797
Eddy Current Measurement of Electrical Resistivity in Heat-Treated Zr-2.5%Nb Pressure Tubes
Published 2024-11-01“…The parameters that accounted for the majority of the variance were: (1) heat treatment (HT); (2) HT and EC frequency; (3) probe inner or outer surface placement; and (4) EC frequency. Measurements of circumferential resistivity showed up to ±2.3% variation from the average of either surface. …”
Get full text
Article -
1798
Prediction of Temperature Using SDSM Multiple Linear Models (Case Study: Hoor al-Azim and Miangaran Wetlands)
Published 2024-03-01“…Considering thespecific conditions of the region and the fact that few studies have been done regardingtemperature change in these areas, knowing the state of temperature change can help bettermanagement of resources, especially water resources management.Material and Methods: These parameters include the average sea level pressure, thegeopotential height of the surface of 850 hectopascals and the average temperature at a heightof two meters. …”
Get full text
Article -
1799
Radon exhalation rate and natural radioactivity in the building materials used in metropolitan Jakarta and its surrounding areas, Indonesia
Published 2025-02-01“…The computer code RESRAD-BUILD was used to calculate the annual effective dose received by an adult living in a typical room constructed with the studied building materials.MethodsSamples such as sand, cement, bricks, and Autoclaved Aerated Concrete (AAC) were collected. The 222Rn surface exhalation rate was determined using the closed chamber method using RAD7, while the activity concentration of natural radionuclide was measured using a gamma spectrometer.Results and discussionThe 222Rn surface exhalation rate varies from 4 × 10−2 to 1.6 × 100 mBq m−2 s−1 with an average of 4 × 10−1 mBq m−2 s−1. …”
Get full text
Article -
1800
Water Resources of Israel: Trackrecord of the Development
Published 2018-04-01“…In Israel there are two groups of water resources: surface and underground. Israel is not rich in surface waters. …”
Get full text
Article