2,075,652 Results Found

Micro flapping-wing air vehicles are increasingly used in low-altitude and aerospace applications, creating a growing need for accurate motion and stable dynamic performance. This trend motivates a detailed investigation of the dynamic behavior of th...

The integration of electric vehicles into urban energy systems offers opportunities for vehicle-to-grid (V2G) flexibility, but estimating the spatial and temporal availability of battery energy requires a detailed understanding of vehicle mobility an...

Athletes competing in team sports encounter a range of stressors, from performance expectations and demanding training loads to interpersonal dynamics within the team. However, the psychological consequences of stress may depend not only on the level...

The increasing use of blended textiles has created waste streams that are difficult to recycle because chemically dissimilar fiber components must be separated without unnecessarily destroying their material value. Polyester–cotton blends conta...

A robot balancing on an unstable support has only the local, noisy signals biology works from. We ask what that restriction costs a learned controller. Three pipelines—PD-assisted inverse kinematics (IK), IK alone and direct joint-space control...

Background and Objectives: Most rugby sprints begin in motion, yet standardized testing uses static starts. This study compared static-start and pick-up acceleration at entry velocities of 1.5 and 3.0 m·s⁻¹ in female rugby union players,...

In view of the problems of unbalanced scale development of composite steam chamber, a lack of production capacity advantage of well group and low oil–gas ratio in heavy oil, physical simulation experiments with an acrylic-plate visual model, fo...

To extend quadruped robots’ aquatic locomotion capabilities and accommodate different water-surface locomotion requirements, an amphibious quadruped robot with active flippers was developed. The same multi-joint leg mechanism enables terrestria...

Validation geometry changes what a received-power prediction error describes. We benchmark established cross-validation designs on 2,967,199 aggregated 25 m location records from four UK operators and three Ofcom 5G SS-RSRP campaigns. A 10 km blocked...

Fan-type rotor dynamics arise from the coupled behavior of the shaft, impeller, bearings, and support structure, with the impeller’s required structural detail depending on the frequency range and response quantities of interest. This study exa...

Identifying areas for further wind energy investigation requires information on wind resources, accessibility, and land availability. Yet national screening may select similar areas of land while identifying different locations as assumptions change....

Transcranial magnetic stimulation (TMS) combined with electroencephalography (EEG) enables millisecond-scale characterization of cortical responses, but direct multidimensional comparisons across stimulation protocols remain limited. In a randomized...

With the rapid growth of motor vehicle ownership across cities, parking lots attached to large commercial supermarkets and transportation hubs generally face the common pain points of delayed vacant parking spot scheduling and low manual inspection e...

The rapid growth of the Internet of Things (IoT) in safety–critical applications requires lightweight and robust security mechanisms for resource–constrained devices. Existing authentication and key agreement schemes, including that of Al...

Nondestructive estimation of pigment content and chlorophyll fluorescence traits is valuable for vertical farming. However, hyperspectral models for fluorescence traits have rarely been tested on vertically farmed crops. This study evaluated a VNIR h...

Depression is prevalent among nursing students and may adversely affect their academic performance, clinical competence, and well-being. We synthesized randomized trial evidence to determine whether psychological interventions alleviate depressive sy...

In automated hydraulically driven agricultural machines, valve settings and motion limits are usually selected empirically, without knowing cylinder loads. These loads were predicted for the Horty AutoHammer orchard post-driving machine from its soli...

Alginate, a natural polysaccharide primarily derived from brown seaweed, is a promising biomaterial for tissue engineering because of its biocompatibility, mild gelation conditions, and tunable physicochemical properties. Alginate-based scaffolds can...

Neuroimaging of inflammatory and infectious CNS diseases using conventional MRI has limitations, such as the challenging differential diagnosis of visible lesions, as well as the absence of neuroimaging abnormalities despite severe symptoms. The aim...

Gamma shift at large viewing angles is a critical issue in liquid crystal displays, resulting in grayscale distortion and degraded image quality. In this work, a dual-side in-plane switching (DS-IPS) structure with a small initial azimuth angle is pr...

The citrus genetic transformation system is essential for genetic improvement and functional studies of the crop. Agrobacterium rhizogenes-mediated transformation in citrus has enabled efficient and rapid generation of transformed root tissues compar...

Background: Magnetic resonance imaging (MRI) is a primary modality for brain tumor diagnosis and treatment planning, making accurate automated classification critically important. However, existing deep learning approaches face limitations in predict...

This study described position-specific external and internal workload across a National Collegiate Athletic Association Division I men’s volleyball season and examined weekly associations between workload, countermovement jump (CMJ) performance...

Smart barns rely on vision, wireless, and environmental sensing systems for continuous livestock monitoring, but sensing reliability may vary with cattle behavioral context. This study investigates the associations between herd-level behavioral conte...

To accelerate building sector decarbonization, construction systems must combine high operational efficiency with bio-based carbon storage and circular design. This study evaluates a technological framework for reversible bio-based prefabrication thr...

Biomass gasification in fluidized-bed reactors offers a versatile pathway for converting renewable feedstocks into energy-rich syngas, benefiting from intense gas–solid mixing and high heat and mass transfer rates. However, the strong coupling...

Visual tracking with a mobile manipulator is required to continuously keep a moving target near the center of the camera’s field of view. Conventional methods generally employ either the mobile base or the manipulator alone for target tracking....

The oak processionary moth (Thaumetopoea processionea) is widespread in central Europe. The caterpillars’ fine stinging hairs contain a toxin that can trigger severe skin irritation and respiratory problems. The primary goal of this research is...

Biparental cooperation during incubation is particularly important in harsh environments. We quantified sex-specific incubation contributions and body orientation in Black-winged Stilts (Himantopus himantopus) from one-minute images at 12 nests monit...

This work presents a comprehensive analysis of the load stepping method in digital photoelasticity, examined through four complementary perspectives: the classical formulation of load stepping, its extension using polarized-camera technology, a compu...

Background: Despite the ongoing debate surrounding its analgesic efficacy, EMG-BF(Electromyographic Biofeedback) is commonly used for neuromuscular re-education. This study aimed to quantify its pain-reducing effects. Methods: Two researchers followe...

Understanding tourists’ willingness to participate in voluntary carbon offsetting is essential for designing sustainable tourism initiatives. This study integrates the Value–Identity–Personal Norm model, the Theory of Planned Behavi...

Restricted viewpoints on construction sites often yield partial point clouds in which weld seams are partly or entirely occluded. This study proposes a non-learning BIM-guided method that localizes BIM-defined nominal weld seams by registering a know...

Background: Disrupted iron homeostasis is increasingly perceived as a key driver of major depressive disorder pathogenesis; hence, targeting ferroptotic cascades may reveal novel therapeutic targets. This study evaluated the neuroprotective potential...

We study bias-corrected empirical-likelihood inference for single-index expectile regression when responses are missing at random. Local-linear expectile estimation is combined with conditional centering to construct three procedures based on complet...

Sunscreen effectiveness depends on formulation performance and adequate, uniform, and persistent application under real-world conditions. However, quantitatively assessing sunscreen application and persistence remains challenging. We developed a lumi...

The honeycomb architecture of the titanium carbide particle (TiC_p)-reinforced high-chromium cast iron (TiC_p/HCCI) composites consists of TiC_p-rich composite zones forming the honeycomb walls and TiC_p-free HCCI matrix zones without intentionally added...

Low-cost air-quality networks require a distinction between functional context, measurement validity and reconstruction performance. This study examines twenty devices in Fisciano, Italy, assigned to pedestrian/academic, green and vehicle-access clas...

Oral cavity and maxillofacial aspergillosis can take one of four clinically different forms: primary invasive aspergillosis of the oral cavity, invasive aspergillosis of the paranasal sinuses with secondary involvement of the oral cavity, chronic gra...

Strategic drone-delivery planning couples field locations with drone assignments and customer allocations under field capacity, cumulative payload, and round-trip energy constraints. We formulate this problem as a mixed-integer linear program and der...

This study develops a Gâteaux differential-based mixed finite element formulation for bi-directionally functionally graded (BDFGM) Timoshenko beams graded along both the length and the thickness. The local effective properties are evaluated by...

The EPA-rich marine microalga Nannochloropsis oceanica provides insight into EPA biosynthesis via the characterized Δ6-desaturase pathway, positioning this microalga for both experimental research and sustainable production solutions for non-fi...

Background/Objectives: Inadequate distal landing zones can limit hybrid repair of thoracoabdominal aortic aneurysm (TAAA). We evaluated a modified strategy combining prosthetic distal landing-zone reconstruction, retrograde visceral and renal revascu...

Thin-film transistors (TFTs) based on quinary indium-gallium-zinc-tin oxide (IGZTO) were fabricated via radio frequency (RF) magnetron sputtering. The impact of vacuum annealing temperatures (25–450 °C) on the microstructural and optoelectr...

Background. CMV seropositivity has been associated with increased epoetin demand in patients with end-stage kidney disease (ESKD) undergoing kidney replacement therapy (KRT). However, the available data remain inconclusive. Methods. In this single-ce...

Tourism and hospitality exhibit several conditions associated with elevated fraud risk: pronounced seasonality, a high prevalence of small- and medium-sized enterprises (SMEs), cash intensity and platform intermediation. This critical review synthesi...

This study compared pork quality and muscle molecular profiles between Tianfu Black (TFB) and Duroc × (Landrace × Yorkshire) (DLY) pigs under a common-age finishing design. Forty-eight barrows (24 per group) were studied from 153 to 195 d...

Phytopathogenic fungi of the genus Alternaria cause black spot (helminthosporiasis) disease and therefore apply to develop bioherbicides for controlling weeds and illegal vegetation of narcotic plants such as opium poppy (Papaver somniferum subsp. so...

A condition-dependent recoverable stability boundary is proposed for risk-supervised direct yaw-moment control of distributed-drive electric vehicles. Recoverable states are identified through long-horizon nonlinear trajectories converging to a stabl...

Community pharmacists may contribute to wound care, but their involvement in Greece remains insufficiently explored. This nationwide cross-sectional survey assessed self-reported wound-related involvement, professional perceptions, and associated fac...