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3081
Fast Fault-Tolerant Grid Frequency Measurement
Published 2024-01-01“…This paper describes in detail a measurement strategy that extracts the continuous phase angle of the positive phase sequence phasor, from voltage signals. …”
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3082
GEOMETRIC TERMINOLOGY IN THE RUSSIAN LANGUAGE OF THE EARLY 17th CENTURY (EXEMPLIFIED BY “CHARTER OF MARTIAL, CANNON AND OTHER MATTERS RELATED TO MILITARY SCIENCE”)
Published 2024-12-01“…If there were correlated concepts in Russian, relatively stable ways of conveying them were used: Punct – stat’ya (article), Linie – cherta, chertezh (line), Winckel – ugol (angle), Tryangel – tregranets (triangle), etc. In the absence of equivalents, the translator could transliterate a foreign word and simultaneously use the words of the native language that are close in meaning: Diameter is expressed as diamet(e)r, razmer, mera. …”
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3083
The influence of new severe plastic deformation on microstructure, mechanical, and corrosion properties of Mg-0.8Mn-0.5Ca alloy
Published 2023-01-01“…The simulation of AEB process showed that the average effective strain per pass for channels with the internal angle of 120° was about 1.93. The average grain size was dramatically decreased from about 448.3 μm for the homogenized alloy to 1.55 μm for the 3-pass processed sample. …”
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3084
A dual binder concept for 3D printing ink: Triggered polymerization for rapid stiffening and carbonation for final strength
Published 2025-02-01“…The onset of polymerization is achieved with a thermal initiator (2,2'-azobis[2-(2-imidazolin-2-yl)propan]dihydrochloride) and could be adjusted in a temperature range of Image 1 as determined by differential scanning calorimetry (DSC).The maximum stiffening rate of Image 2 and maximum storage modulus of Image 3 are obtained by a rheometer using small-angle oscillatory shear (SAOS) experiments. Cubic samples are prepared using microwave irradiation to reach a compressive green body strength of Image 4 in Image 5. …”
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3085
Study on the Large Deformation Characteristics and Disaster Mechanism of a Thin-Layer Soft-Rock Tunnel
Published 2020-01-01“…The results show that (1) the deformation of the surrounding rock of the tunnel has remarkable asymmetry, the deformation of the initial support of the tunnel is significant, and the buried depth of the area where the maximum deformation of the tunnel exceeded 1 m is greater than 500 m; (2) the main factors influencing the deformation of a thin-layer slate tunnel include joint inclination, buried depth, water absorption, and softening of the surrounding rock; and (3) the maximum deformation of the surrounding rock is observed for a joint angle of 45°, at which the buried depth is directly proportional to the deformation and failure of the tunnel. …”
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3086
Wind Tunnel Testing on Start/Unstart Characteristics of Finite Supersonic Biplane Wing
Published 2013-01-01“…The tests were carried out using supersonic and transonic wind tunnels over a Mach number range of 0.3≤M∞≤2.3 with angles of attack of 0°, 2°, and 4°. The Schlieren system was used to observe the flow characteristics around the models. …”
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3087
Study on the Influence of Road Geometry on Vehicle Lateral Instability
Published 2020-01-01“…Lateral drift risk of the vehicle is characterized by the sideslip angle of wheels. The results of orthogonal analysis reveal that the maximum tire-road friction coefficient and speed are highly significant in skidding of the vehicle. …”
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3088
Numerical Simulation Analysis and Research on Drag Reduction and Stability Enhancement Effect of Head Swing Based on Biomimetic Flexible Variants
Published 2025-01-01“…By adjusting the range of the head’s oscillation angle, it can further minimize the average radial drag during the head swing process, making it possible to achieve radial drag reduction and enhance the vehicle’s stability through head oscillation. …”
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3089
Impact of the −174 G > C IL-6 Polymorphism on Bioelectrical Parameters in Obese Subjects after Laparoscopic Adjustable Gastric Banding
Published 2012-01-01“…At baseline, C(+) carriers had a lower extracellular water (ECW) and higher intra-CW, phase angle (PA), reactance Xc, and Xc/height. LAGB surgery determined significant reductions in weight and BMI. …”
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3090
Glaucomatous Visual Field Defect Severity and the Prevalence of Motor Vehicle Collisions in Japanese: A Hospital/Clinic-Based Cross-Sectional Study
Published 2015-01-01“…This study examined the association between the severity of visual field defects and the prevalence of motor vehicle collisions (MVCs) in subjects with primary open-angle glaucoma (POAG). Methods. This is a cross-sectional study. …”
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3091
Steeper Iris Conicity Is Related to a Shallower Anterior Chamber: The Gutenberg Health Study
Published 2017-01-01“…Associations indicate a correlation between iris conicity with risk factors for angle-closure, namely, shallower anterior chamber depth and thicker human lens. …”
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3092
Computer‐Aided High Tibial Osteotomy—A Comparative Study of Commonly Used 3D Printing Technology and Navigation Application
Published 2025-02-01“…Results The results showed that the metal surgical guides had the highest accuracy (angle differences mean, 2.4°) and operation time (mean 9.75 min), followed by plastic guides, classic guides, and the navigation system. …”
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3093
Improving Performance of Integrated Ground-HAPS FSO Communication Links With MIMO Application
Published 2024-01-01“…To model the atmospheric turbulence-induced fading, pointing error impairments, and angle-of-arrival (AOA) fluctuations, we employ the Gamma-Gamma distribution, Hoyt distribution, and Rayleigh distribution, respectively. …”
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3094
Investigation of Laminar Separation Bubble on Flat Plate with Adverse Pressure Gradient: Time-Averaged Flow Field Analysis
Published 2021-01-01“…The experiment provides detailed results including distribution of wall pressure coefficient and boundary layer velocity and turbulence profiles for several values of typical influencing parameters on the behavior of the flow phenomena: Reynolds number, free stream turbulence intensity, and end-wall opening angle, which determines the adverse pressure gradient intensity. …”
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3095
Fabrication of Ag:TiO2 Nanocomposite Thin Films by Sol-Gel Followed by Electron Beam Physical Vapour Deposition Technique
Published 2013-01-01“…Microstructure, surface, and plasmonic properties of nanocomposite films were studied using glancing angle X-ray diffractometer, atomic force microscopy, field emission secondary electron microscopy, and UV-Vis spectroscopy. …”
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3096
Hydrogenated Nanocrystalline Silicon Thin Films Prepared by Hot-Wire Method with Varied Process Pressure
Published 2011-01-01“…A variety of techniques, including Raman spectroscopy, low angle X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM), and UV-visible (UV-Vis) spectroscopy, were used to characterize these films for structural and optical properties. …”
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3097
An Overview of Solar Orbiter Observations of Interplanetary Shocks in Solar Cycle 25
Published 2025-01-01“…The fundamental shock parameters (shock normals, shock normal angles, shock speeds, compression ratios, Mach numbers) have been estimated and studied as a function of heliocentric distance, revealing a rich scenario of configurations. …”
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3098
Rockburst in Sandstone Containing Elliptic Holes with Varying Axial Ratios
Published 2019-01-01“…The mass ratio of coarse and medium grains increases and that of fine and micro grains decreases. The depth, angle, and area of the V-shaped pits decrease with increasing axis ratio. …”
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3099
Mechanical responses of triply periodic minimal surface gyroid lattice structures fabricated by binder jetting additive manufacturing
Published 2025-03-01“…The results showed that during the compression deformation process, the U-GLS exhibited fracture in the direction of the 45° angle along the lattice stress surface, and the G-GLS exhibited layer-by-layer fracture from the low-relative-density lattice layer to the high-relative-density lattice layer. …”
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3100
Strengthened microstructure and mechanical properties of austenitic 316L stainless steels by grain refinement and solute segregation
Published 2025-01-01“…Additionally, the fine grains exhibit predominantly high-angle grain boundaries, and the elevated density of solute segregation in these regions plays a crucial role in contributing to exceptional strength of materials.…”
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