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2061
Structural and Dynamical Effects of the CaO/SrO Substitution in Bioactive Glasses
Published 2024-10-01“…Motivated by these recent developments, the effect of SrO/CaO–CaO/SrO substitution on the local structure and dynamics of Si-Na-P-Ca-O oxide glasses has been studied in this work. …”
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2062
Determinants of child malnutrition and morbidity in Ethiopia: a structural equation modeling approach
Published 2025-04-01“…Thus, this study aims to investigate the underlying risk factors by employing a structural equation model to analyze malnutrition as a mediator in the relationship between selected factors and morbidity.MethodsThe study utilized data from the 2016 Ethiopia Demographic and Health Survey and a sample of 8,560 under-five children were considered. …”
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2063
Choroid plexus aging: structural and vascular insights from the HCP-aging dataset
Published 2024-12-01“…Abstract Background The choroid plexus (ChP), a highly vascularized structure within the ventricles, is essential for cerebrospinal fluid (CSF) production and metabolic waste clearance, crucial for neurofluid homeostasis and cognitive function. …”
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2064
High Resolution Mass Spectrometry Fragmentation Rules of Etomidate and Its Structural Analogues
Published 2024-12-01“…ObjectiveTo explore the characteristic fragment ions, ion abundance ratios and mass spectrometry fragmentation rules of etomidate and its structural analogues by using gas chromatography-quadrupole/orbitrap mass spectrometry (GC-Q/Orbitrap MS) and liquid chromatography-linear ion trap quadrupole-orbitrap mass spectrometry (LC-LTQ-Orbitrap MS) techniques, providing important data support for the identification and prediction of etomidate structural analogues.MethodsGC-Q/Orbitrap MS and LC-LTQ-Orbitrap MS were used to analyze metomidate, etomidate, isopropoxate and propoxate, to obtain their GC high resolution mass spectra and LC high resolution mass spectra.ResultsUnder the electron impact (EI) ion source mode, etomidate, metomidate and the other two analogues all produced their molecular ions and seven identical fragment ions (m/z 77.038 6, 79.054 2, 95.024 0, 105.069 9, 143.073 0, 172.099 5 and 199.086 6), among which isopropoxate and propoxate also produced characteristic fragment ions m/z 216.089 3. …”
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2065
Modeling factors related to earthquake preparedness: a structural equation modeling approach
Published 2025-02-01“…Structural equation modeling (SEM) was employed to analyze TPB constructs, including attitudes, subjective norms, perceived behavioral control, and intentions, in relation to earthquake preparedness behaviors. …”
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2066
L-Ornithine derivatives with structural hetaryl and alkyl moiety: Synthesis and antibacterial activity
Published 2024-07-01“…Nine new lipoamino acid cationic bivalent amphiphiles based on L-ornithine were synthesized. The structure of the obtained compounds was confirmed by nuclear magnetic resonance 1H spectroscopy and mass spectrometry data. …”
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2067
Tau follows principal axes of functional and structural brain organization in Alzheimer’s disease
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2068
Semantic SLAM using laser-vision data fusion: Enhancing autonomous navigation in unstructured environments
Published 2025-08-01“…Semantic maps, which embed semantic information into spatial representations, enable robots to better interpret complex environments and improve their autonomous operation in unstructured, GPS-denied, and extreme settings. In this context, an advanced semantic SLAM algorithm, termed NN-SLAM, is proposed based on the fusion of visual and laser data. …”
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2069
Research on Data Transfer Method for Multi-physics Coupling Based on Unstructured Mesh Monte Carlo
Published 2025-06-01“…Among these, the neutronic-thermal-mechanical coupling and neutronic-thermal-fluid coupling analyses have a significant impact on the reactor design. In addressing the data transfer issues in the multiphysics coupling process of reactors, this study employs a hybrid approach that integrates unstructured mesh (UM) Monte Carlo with finite element methods. …”
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2070
Cancer pain and quality of life structural equation model based on the biopsychosocial model
Published 2025-07-01“…Abstract Objective This study employed a biopsychosocial framework to develop structural equation models(SEM)quantifying the multidimensional impact of pain on quality of life in cancer patients, aiming to provide scientific evidence and novel clinical perspectives for evidence-based pain management strategies. …”
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2071
Modelling and optimisation of the structural performance of lightweight polypropylene fibre-reinforced LECA concrete
Published 2024-12-01“…However, achieving an optimal balance between structural weight, and performance remains a challenging endeavour. …”
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2072
STRUCTURAL FEATURES OF PURULENT INFLAMMATORY DISEASES OF THE MAXILLOFACIAL REGION IN RESIDENTS OF THE POLTAVA REGION
Published 2020-12-01“…The aim of the study. Investigate the structure and frequency of purulent inflammatory diseases in residents of Poltava region. …”
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2073
Structural Geomorphology and Tectonic Dynamism of the Lolodorf Segment, Nyong Complex, SW Cameroon
Published 2025-06-01“… The study of the structural geomorphology and tectonic dynamism of the Lokoundjé and Nyong watersheds has made possible to discriminate the essential geological objects of the Lolodorf region (3°10’- 3°25’N, 10°40’- 10°55’E), in Southern Cameroon. …”
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2074
Structural and morphological features of microcrystalline сellulose from industrial hemp hurd
Published 2024-11-01“…To obtain microcrystalline cellulose, the hemp hurd was subjected to organo-solvent cooking. The structure and morphology of the MCC were studied using methods such as XRD, XRF, FTIR-ATR, low-temperature nitrogen sorption-desorption, AFM, TGA, and DSC. …”
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2075
Structural effects of high laser power densities on an early bacteriorhodopsin photocycle intermediate
Published 2024-11-01“…Although the effects of high laser power densities on the overall structure are small, in the upper excitation range we observe significant changes in retinal conformation and increased heating of the functionally critical counterion cluster. …”
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2076
The arabic version of the fat phobia scale—short form: reliability and structural validity
Published 2025-02-01“…According to the fit indices, the F-Scale 14 demonstrated a satisfactory level of structural validity in Arab cultures. Fit indices are statistical measures used in confirmatory factor analysis (CFA) to assess how well a proposed model fits the observed data. …”
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2077
Structural abnormalities of the cerebellar gray matter and cerebellar peduncles in cervical dystonia patients
Published 2025-09-01“…Between-group differences in gray matter volumes of cerebellar subregions and fiber morphometric properties of the cerebellar peduncles (CP) were investigated using voxel-based, region of interest-based and fixel-based analysis, respectively. The significant structural changes were correlated with clinical data, including disease duration and the first section of TWSTRS. …”
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2078
Structural Variations Associated with Adaptation and Coat Color in Qinghai‐Tibetan Plateau Cattle
Published 2025-08-01“…Abstract Structural variations (SVs) play crucial roles in the evolutionary adaptation of domesticated animals to natural and human‐controlled environments, but SVs have not been explored in Tibetan cattle, which recently migrated and rapidly adapted to the high altitudes of the Qinghai‐Tibetan Plateau (QTP). …”
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2079
The Structural and Kinematical Properties of NGC 5634, a Globular Cluster Associated with the Sagittarius Dwarf Galaxy?
Published 2025-01-01“…We investigate the origin of NGC 5634 through a comprehensive analysis of its morphology, kinematics, and dynamics. Utilizing data from the DESI Legacy Survey, we refined its fundamental parameters (age τ = 12.8 ± 0.3 Gyr, metallicity [Fe/H] = −1.8 ± 0.1 dex, distance modulus dm = 17.0 ± 0.1 mag) and constructed a matched-filter template based on the combination of these parameters to search for extra-tidal structures. …”
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2080
Beyond Euclid: an illustrated guide to modern machine learning with geometric, topological, and algebraic structures
Published 2025-01-01“…The enduring legacy of Euclidean geometry underpins classical machine learning, which, for decades, has been primarily developed for data lying in Euclidean space. Yet, modern machine learning increasingly encounters richly structured data that is inherently non-Euclidean. …”
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