University of Shahrood

LeakAgent: a multi-agent system for leak detection using multi-modal large language model coordination in water distribution network

Water distribution networks (WDNs) suffer from severe leakage, yet pinpointing the leaks remains difficult. Data-driven detection is typically split into disconnected stages of hydraulic modelling, partitioning, sensor planning and analysis, and it treats the questions of whether...

Differential effects of sodium nitroprusside, salicylic acid, and simvastatin on growth, leaf anatomy, biochemistry, and essential oil composition of Thymus vulgaris L.

This study evaluated how foliar application of sodium nitroprusside (SNP), salicylic acid (SA), and simvastatin (SIM) applied singly and in all pairwise combinations, affects the growth, leaf anatomy, biochemistry, and essential-oil profile of greenhouse-grown Thymus vulgaris L....

Trait Sport Anxiety as the Only Consistent Predictor Across Injury Mechanisms in Young Taekwondo Athletes: A 6- to 10-Month Prospective Cohort Study

Background: Injury prevention in combat sports has focused primarily on physical and biomechanical factors, whereas psychological determinants remain understudied. Because taekwondo involves both contact and noncontact injury mechanisms, a biopsychosocial approach may better expl...

Optimization and design of a hybrid solar-diesel-hydrogen system for sustainable RO desalination using an advanced dynamic metaheuristic algorithm

Water and electricity supply to remote areas through reverse osmosis (RO) desalination units powered by renewable energy is essential for sustainable development. This paper presents three advanced dynamic metaheuristic algorithms for the optimal design and long-term capacity pla...

Serotonin and 24-epibrassinolide enhance physiological performance and saffron quality under water deficit: evidence from two-year field and multivariate analyses

Water deficit constitutes a major constraint on saffron productivity and quality, particularly in arid and semi‑arid regions. Although serotonin (SER) and 24‑epibrassinolide (EBL) have individually been reported to improve plant responses to abiotic stress, their combined effects...

Properties of stable massive quark stars in holography

Abstract We study a holographic D3/D7 system, whose dilaton profile has been phenomenologically adjusted in the infrared. The model is used to describe a deconfined yet massive quark phase of QCD at finite density, concluding that the equation of state of such a phase can be stif...

High Resolution Time-Reassigned SynchroSqueezing Transform with Iterative Group Delay Estimation

Abstract High-resolution post-processing methods for spectral decomposition play an important role in seismic signal analysis, enabling the detection of low-frequency shadows (LFS) associated with hydrocarbon accumulations. However, conventional timeߝfrequency transforms often su...

The effect of silica nanoparticles on machining and mechanical properties of phenolic resol/short glass fiber nanocomposite

This study investigates the influence of SiO 2 nanoparticles on the mechanical properties and drilling performance of phenolic resol/short glass fiber (PF/GF) composites. Nanocomposites containing 0, 1, and 3 wt% SiO 2 were fabricated using compression molding under controlled co...

The effect of acute respiratory alkalosis on anaerobic performance: a systematic review

High-intensity short-duration exercise relies predominantly on anaerobic metabolism, leading to rapid accumulation of hydrogen ions and metabolic acidosis, which impairs muscle function and performance. Acute respiratory alkalosis induced by voluntary hyperventilation (VH) has be...

Numerical determination of scale effect and anisotropy of strength and deformability in jointed rock masses

Rock masses are inherently discontinuous and anisotropic due to the presence of joints, and their equivalent mechanical behaviour exhibits strong scale dependence. A key challenge is to determine the representative elementary volume (REV) at which mechanical properties stabilise....

Microstructural evolution, hardness and wear properties of WS₂ films deposited by RF magnetron sputtering at varying times

Abstract In the present work, WS₂ thin films were deposited on hot-working steel substrates by RF magnetron sputtering at different deposition times (600, 900, 1200, 1500, and 1800 s). The films were systematically characterized using cross-sectional analysis for thickness measur...

Multidimensional pre-season screening to predict musculoskeletal injuries in competitive swimmers: a prospective cohort study

Swimming is physically demanding, yet prospective evidence identifying independent injury predictors remains limited, particularly regarding the predictive value of multidimensional functional screening batteries. In this 9-month prospective cohort study, 170 competitive swimmers...

Systematic numerical evaluation of the influence joint geometrical and mechanical parameters on the REV of rock masses

Abstract The Representative Elementary Volume (REV) is a key concept in the analysis and simulation of jointed rock masses, playing a crucial role in selecting the dimensions of laboratory samples and the domain size of numerical models. However, a precise understanding of the in...

Integrated application of cold atmospheric plasma and dopamine mitigates cadmium toxicity by enhancing antioxidant defense and restricting cadmium accumulation in fenugreek (Trigonella foenum-graecum L.)

Cadmium (Cd) toxicity severely restricts plant growth, yet effective strategies for limiting Cd uptake remain limited. This study investigated the effectiveness of integrating cold atmospheric plasma (CAP) seed priming with exogenous dopamine (DA) to enhance Cd tolerance in fenug...

Comparative chloroplast genomics of 75 Asparagus species reveals conserved genome architecture, gene-specific positive selection, and chloroplast–nuclear phylogenetic discordance

The chloroplast genome offers a compact, maternally inherited resource for resolving evolutionary relationships in plants, yet in Asparagus it has received limited genus-wide attention relative to recent nuclear genomic efforts. Here, we de novo assembled 35 chloroplast genomes:...

A redescription of Charletonia damavandica (Acari: Erythraeidae)

Hakimitabar, Masoud, Fadaei, Elnaz, Tork, Mehdi (2022): A redescription of Charletonia damavandica (Acari: Erythraeidae). Persian Journal of Acarology 11 (4): 643-650, DOI: 10.22073/pja.v11i4.76039

A Spatial Mean‐Mixture Gaussian Model for Skewed Geostatistical Data

ABSTRACT Gaussian random fields (GRFs) are often used to model spatial dependence in many geostatistical applications. However, environmental data, such as water quality measurements, often exhibit substantial skewness which violates the Gaussian assumption. Ignoring this skewnes...