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2901
Motion Control Study of Two-legged Wheeled Robot
Published 2024-09-01“…Therefore, proposing an efficient method for the motion control of a two-legged wheeled robot is of great practical significance.Methods This study adopts the idea of a distributed model to establish the dynamics model of the leg-wheel and torso subsystems and address the issue with the huge structure of the overall dynamics model of the two-legged wheeled robot, which is not conducive to characterization and the construction of the controller. …”
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2902
Dynamic evolutionary pattern of fractures in tectonically deformed coal-bearing assemblages during loading
Published 2025-03-01“…However, the influence patterns remain unclear. MethodsUsing a NanoVoxel-3000 high-resolution inspection system for multiscale integrated geotechnical scanning and analysis, this study performed uniaxial compression and CT scanning experiments on TDC-bearing combination specimens. …”
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2903
End‐to‐End Crystal Structure Prediction from Powder X‐Ray Diffraction
Published 2025-02-01“…Unlike previous crystal structure prediction methods that rely solely on composition, XtalNet leverages PXRD as an additional condition, eliminating ambiguity and enabling the generation of complex organic structures with up to 400 atoms in the unit cell. …”
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2904
Hysteresis Compensation and Butterworth Pattern-Based Positive Acceleration Velocity Position Feedback Damping Control of a Tip-Tilt-Piston Piezoelectric Stage
Published 2024-11-01“…In order to solve the hysteresis nonlinearity and resonance problems of piezoelectric stages, this paper takes a three-degree-of-freedom tip-tilt-piston piezoelectric stage as the object, compensates for the hysteresis nonlinearity through inverse hysteresis model feedforward control, and then combines the composite control method of positive acceleration velocity position feedback damping control and high-gain integral feedback controller to suppress the resonance of the system and improve the tracking speed and positioning accuracy. …”
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2905
Preoperative combined biomarker model of fibrinogen-to-albumin ratio and systemic immune-inflammation index to carbohydrate antigen 19-9 ratio predicts survival in distal cholangio...
Published 2025-08-01“…Abstract Objective To develop a preoperative composite biomarker model integrating FAR and SII/CA19-9 for predicting survival in distal cholangiocarcinoma (DCC) after pancreatoduodenectomy. …”
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2906
A risk prediction model for the assessment and triage of women with hypertensive disorders of pregnancy in low-resourced settings: the miniPIERS (Pre-eclampsia Integrated Estimate...
Published 2014-01-01“…Candidate predictors collected within 24 hours of admission were entered into a step-wise backward elimination logistic regression model to predict a composite adverse maternal outcome within 48 hours of admission. …”
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2907
Growth Stages Discrimination of Multi-Cultivar Navel Oranges Using the Fusion of Near-Infrared Hyperspectral Imaging and Machine Vision with Deep Learning
Published 2025-07-01“…To validate the availability of the proposed method, various machine-learning and deep-learning models are compared for single-modal and multi-modal data. …”
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2908
Influence of mining-induced ground fissures on soil infiltration characteristics and its erosion effect in coal mining area of northern Shaanxi in the middle reaches of the Yellow...
Published 2025-02-01“…Taking the soil around the mining-induced ground fissures with widths of 0−10, 10−20, 20−30 cm (within 80 cm in horizontal distance and shallower than 20 cm in vertical depth) in the typical mining-induced ground fissure development area in the north wing of Ningtiaota mine field in northern Shaanxi as the research object, the soil infiltration rate, cumulative infiltration, saturated hydraulic conductivity (Ks), organic matter, mechanical composition and > 0.25 mm water-stable aggregates were measured by constant head method and instrument analysis method, respectively. …”
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2909
Efficacy of photodynamic therapy in the treatment of venous trophic ulcers: results from the experiment
Published 2022-11-01“…Both PDT and a-PDT methods showed better results in comparison with standard therapy.…”
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2910
A Novel Phantom for Standardized Microcalcification Detection Developed Using a Crystalline Growth System
Published 2025-02-01“…Methods: We created a novel phantom model that simulates different types of breast tissue densities with calcifications. …”
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2911
A bilayer scaffold of collagen and nanohydroxyapatite promotes osteochondral defect in rabbit knee joints
Published 2025-02-01“…Methods: The CHA scaffold was prepared, and properties including morphology, internal structure, and mechanical strength of the CHA scaffold were measured by scanning electron microscopy (SEM) and a MTS electronic universal testing machine. …”
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2912
Effесt of Chеmiсаl Cоmposition оn thе Miсrоstruсture, Hаrdnеss, аnd Elесtrical Conductivity Profiles of the Bi-Gе-X (Gа, Cu, Zn) Allоys
Published 2024-09-01“…Also, in all three tested systems hardness and electrical conductivity were measured and using appropriate mathematical models these properties were guided in the entire range of the composition. …”
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2913
Glucagon-Like Peptide 1 Receptor (Glp1r) Deficiency Does Not Appreciably Alter Airway Inflammation or Gut-Lung Microbiome Axis in a Mouse Model of Obese Allergic Airways Disease an...
Published 2025-02-01“…Thus, we hypothesized that increased GLP-1R signaling following metabolic surgery in obese and allergen-challenged mice leads to gut/lung microbiome alterations, which together contribute to improved features of allergic airways disease.Methods: Male and female Glp1r-deficient (Glp1r−/−) and replete (Glp1r+/+) mice were administered high fat diet (HFD) to induce obesity with simultaneous intranasal challenge with house dust mite (HDM) allergen to model allergic airway disease with appropriate controls. …”
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2914
IR spectral manifestation of tin impurity sites in titanium dioxide
Published 2021-08-01“…In order to interpret the results obtained, quantum chemical calculations on the spatial and electronic structures of cluster models of titanium dioxide (anatase) with inserted tin atoms using the density functional theory B3LYP method and the basis set 6-31G (d, p) were carried out and the corresponding FT-IR spectra have been simulated. …”
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2915
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2916
Microwave Dielectric Permittivity of Nanostructured RMn<sub>2</sub>O<sub>5</sub> Manganate, R<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub> Titanate, and LiCoPO<sub>4</sub> and LiNi<sub>0...
Published 2025-06-01“…A special method on how to extract the real and imaginary parts of dielectric permittivity is applied. …”
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2917
Robust Predictive Control of PMSM via Dual-Loop Parameter-Disturbance Adaptation
Published 2025-01-01“…By constructing an incremental motor model, a forgetting factor-based recursive least squares (FF-RLS) method is designed to dynamically identify stator resistance, inductance, and permanent magnet flux linkage parameters in real time, enabling adaptive correction of the predictive model to suppress parameter drift effects. …”
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2918
Release of nitrogen, phosphorus, and potassium from filter cake, filter cake biochar, and sugarcane bagasse ash in a laboratory study
Published 2025-08-01“…Purpose: This study characterized the chemical components and nutrient release patterns of filter cake, filter cake biochar, and sugarcane bagasse ash—by-products of the sugarcane industry, a globally significant crop. Method: The chemical composition of each material was analyzed, nutrient release kinetics were examined using water extraction during 336 h, and kinetic models were applied. …”
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2919
State-of-the-art on the Dehydration and Drying of Cucurbita Species
Published 2024-11-01“…Finally, the influence of pretreatments and drying on the quality and composition of pumpkin as well as the kinetics and models of the drying process were presented. …”
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2920
General practitioners’ perceptions of interprofessional collaboration in Belgium: a qualitative study
Published 2025-03-01“…This study aims to identify the professionals needed to support GPs in daily practice, define their roles, and explore the conditions necessary for integrating them into the GP-centred model of care. Methods Eleven focus groups were conducted with 122 GPs, ensuring geographical and linguistic diversity across Belgium. …”
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