Suggested Topics within your search.
Suggested Topics within your search.
- Economic conditions 6
- Law 6
- Criminal law 5
- Politics and government 5
- Economic development 4
- Economic policy 4
- History and criticism 4
- Economic aspects 3
- History 3
- Methodology 3
- Public administration 3
- Soil conservation 3
- Agriculture 2
- Application software 2
- Appreciation 2
- Children 2
- Civil society 2
- Computer-assisted instruction 2
- Constitutional law 2
- Education, Elementary 2
- Educational technology 2
- Evaluation research (Social action programs) 2
- Experimental fiction 2
- Globalization 2
- Information technology 2
- Internet in education 2
- Internet in public administration 2
- Mass media 2
- Medicine 2
- Moral and ethical aspects 2
-
11521
Software-Defined Radio-Based IEEE 802.15.4 SUN OFDM Evaluation Platform for Highly Mobile Environments
Published 2024-01-01“…In the experimental evaluation, the required packet error rate for SUN OFDM was achieved in an 80 km/h multipath fading environment, and out-of-band emission can be suppressed by over 43 dB from the peak power while achieving performance equivalent to that without applying the simplified UTW.…”
Get full text
Article -
11522
Metastatic urothelial carcinoma in multiple appendicular muscles of a cat
Published 2025-01-01“…These lesions were characterised by an anechoic, occasionally trabeculated, central area surrounded by a hyperechoic band with heterogeneous echotexture. In total, seven lesions affecting six appendicular muscles were detected in different evolution stages, as suggested by their sizes and ultrasonographic features. …”
Get full text
Article -
11523
Chlamydia psittaci pneumonia - evolutionary aspects on chest CT
Published 2025-01-01“…The repair and absorption period tended to show the formation of the reverse halo sign centrally, and the dissipation period might have led to the formation of fibrous bands. …”
Get full text
Article -
11524
Flow Mechanism and Strength Characteristics of Textile Reinforced Concrete Mixed with Colloidal Nano-SiO2
Published 2021-01-01“…In order to develop textile reinforced concrete (TRC) with good flowability and strength, colloidal nano-SiO2 (CNS) is adopted to improve the performance of TRC. …”
Get full text
Article -
11525
Utilization of NDVI, VTCI and WDI indices in analyzing the effects of drought severity and duration on vegetation density in Siminehrood catchment
Published 2020-12-01“…Visible, near-infrared and thermal bands are among the most widely used in the production of products such as vegetation and surface temperature. …”
Get full text
Article -
11526
Development and Characterization of Mikania, Kapok, Wool, Sugarcane, and Pineapple Fiber Reinforced Polyester Composite
Published 2025-01-01“…The composites were formed by including natural fibers into a polyester base using a hand lay‐up preparation method. The finished samples received a complete assessment, covering tensile and impact testing as well as SEM analysis. …”
Get full text
Article -
11527
Tuning lamella spacings for simultaneous strength-ductility improvements in heterogeneous lamella SiCp/2024Al composites
Published 2025-01-01“…Here we investigated lamella spacing controlled strengthening-toughening behaviors in heterogeneous lamella micro- and nano-sized SiC particles (m- & n-SiCp)/2024Al composites. …”
Get full text
Article -
11528
Rockburst mechanism and prevention technology for wide coal pillar return airway
Published 2024-11-01“…When the roof breaks, the coal pillar bends excessively, and a large amount of energy is released, potentially causing instability. …”
Get full text
Article -
11529
Regulating strength and ductility of gradient-structured Cu–Al–Zn via SMAT and annealing
Published 2025-01-01“…Furthermore, the digital image correlation (DIC) results indicate that during tensile deformation, gradient-structured Cu–Al–Zn alloys with low SFE can form dispersed strain bands, which contributes to improved ductility. This study provides a feasible strategy for regulating the strength and ductility of gradient-structured copper alloys.…”
Get full text
Article -
11530
Formation Mechanism and Stability Analysis of the Hejia Landslide
Published 2021-01-01“…After taking measures, years of monitoring data show that the deformation of Hejia landslide tends to be stable, and the current operation is normal, indicating that the engineering treatment measures are reasonable and feasible.…”
Get full text
Article -
11531
Water‐Triggered Reconfigurable Glycerogels for Sustainable All‐Gel Supercapacitors
Published 2025-01-01“…Furthermore, it can tolerate extreme mechanical deformations (e.g., stretching, bending, and twisting) and temperatures (−20 to 80 °C). …”
Get full text
Article -
11532
Double Security Level Protection Based on Chaotic Maps and SVD for Medical Images
Published 2025-01-01“…The proposed joint encryption and watermarking scheme is based on singular-value decomposition (SVD) and chaotic maps. First, three different random sequences are used to encrypt the LL subband in the discrete wavelet transform (DWT) domain; then, HL and LH sub-bands are embedded with watermark information; in the end, we obtain the watermarked and encrypted image with the inverse DWT (IDWT) transform. …”
Get full text
Article -
11533
Geomechanical Model Experiment Study on Deformation and Failure Mechanism of the Mountain Tunnel in Layered Jointed Rock Mass
Published 2021-01-01“…The main forms of surrounding rocks deformation and failure were large area spalling of surface, severe circumferential fractures, serious bending deformations of thin rock layers, and collapse of overlying strata. …”
Get full text
Article -
11534
Elevating photovoltaic efficiency: Cobalt doping approaches with sustainable transition metal cations in lead halide perovskite solar cells
Published 2025-01-01“…We propose that our findings hold substantial knowledge that will contribute to the improvement and development of perovskite solar cells.…”
Get full text
Article -
11535
Modelling of structural, mechanical, electronic, and optical properties of Rb2TlXF6 (X = Ir, Rh) double perovskite compounds through density functional theory
Published 2025-01-01“…Additionally, the real and imaginary parts of the dielectric function ∊1(ω) and ∊2(ω) were evaluated, indicating effective light interaction and absorption properties in the visible to UV range. These findings suggest that Rb2TlIrF6 and Rb2TlRhF6 exhibit advantageous optoelectronic characteristics suitable for semiconductor and next-generation electronic devices.…”
Get full text
Article -
11536
Joint Source-Channel Coding for Multi-Channel Vibrotactile Sensors
Published 2025-01-01“…Existing vibrotactile coding solutions rely on conventional source and channel coding techniques to transmit high-quality vibrotactile data over band-limited and error-prone wireless channels. However, these methods often suffer from severe quality degradation due to bit errors and the unrecoverable source coding distortion. …”
Get full text
Article -
11537
GNSS reflectometry from low-cost sensors for continuous in situ contemporaneous glacier mass balance and flux divergence
Published 2024-01-01“…In this study, we evaluate three approaches for direct, continuous measurements of the climatic mass balance, flux divergence and elevation change at a site on Gulkana Glacier in Alaska using low-cost global navigation satellite system (GNSS) sensors, GNSS interferometric reflectometry (GNSS-IR), banded ablation stakes with time-lapse cameras and combinations thereof. …”
Get full text
Article -
11538
Effect of precursor molarities on structural correlation with optoelectronic property of Zn2SnO4 nanostructured thin films
Published 2025-06-01Subjects: Get full text
Article -
11539
The Isaac Newton Telescope Monitoring project: Stellar population in the IC 10 dwarf irregular galaxy
Published 2019-04-01“…AGBs are at the final stage of their evolution and can be implemented as powerful tools for finding the star formation history and chemical evolution of galaxies. …”
Get full text
Article -
11540
Comparison of Superparamagnetic and Ultrasmall Superparamagnetic Iron Oxide Cell Labeling for Tracking Green Fluorescent Protein Gene Marker with Negative and Positive Contrast Mag...
Published 2009-05-01“…The labeled cells were observed as a narrow band of signal enhancement surrounding signal voids in FLAPS images and were visible as signal voids in T 2 *-weighted images. …”
Get full text
Article