Reset
Showing 20 of 2,986 academic articles

In-Situ Monitoring and Prediction of Frost Growth on Plant Leaves Based on Dielectric Spectrum Analysis and an SWT-SSA-LSTM Model

Huan Song, Lijun Wang, Yuguo Gao, Shuman Guo et al. • AgriEngineering (2026)

Accurate and in-situ monitoring of frost growth on plant leaves is crucial for disaster prevention in smart agriculture. To address the limitations of traditional methods in quantification and continuity, this study proposes a novel monitor...

DOAJ Open Access (DOAJ) DOI: 10.3390/agriengineering8020067

The effect of chili pepper-Chinese chives intercropping on rhizosphere microorganisms and root-stem endophytes

Nan Sun, Nan Sun, Yuxin Wang, Yuxin Wang et al. • Frontiers in Microbiology (2025)

IntroductionThis study adopted the intercropping pattern opepper (Capsicum annuum L.) and Chinese chives (Allium tuberosum), combined with high-throughput sequencing and microbial network analysis, to systematically reveal the mechanisms of...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2025.1716326

A three-pillar approach to assessing climate impacts on low flows

G. Laaha, J. Parajka, A. Viglione, D. Koffler et al. • Hydrology and Earth System Sciences (2016)

The objective of this paper is to present a framework for assessing climate impacts on future low flows that combines different sources of information, termed pillars. To illustrate the framework three pillars are chosen: (a) extrapolation ...

DOAJ Open Access (DOAJ) DOI: 10.5194/hess-20-3967-2016

Influence of strain measurement methods on crack initiation and crack damage thresholds of shale

Rongchao Xu, Liang Gao, Yiding Jin, Yibo Wang et al. • Geomechanics and Geophysics for Geo-Energy and Geo-Resources (2025)

Abstract The crack initiation stress (σ ci) and crack damage stress (σ cd) are two important stress thresholds for describing the progressive failure process of rocks. Accurately obtaining these two stress thresholds is crucial for analyzin...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40948-025-00940-8

Air pollution mapping and variability over five European cities

Karine Sartelet, Jules Kerckhoffs, Eleni Athanasopoulou, Lya Lugon et al. • Environment International (2025)

Mapping urban pollution is essential for assessing population exposure and addressing associated health impacts. High urban concentrations are due to the proximity of sources such as traffic or residential heating, and to urban density with...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.envint.2025.109474

Thoracic electrical impedance tomography identifies heterogeneity in lungs associated with respiratory disease in cattle. A pilot study

Olivia Brabant, Yuliya V. Karpievitch, Yuliya V. Karpievitch, Alphons Gwatimba et al. • Frontiers in Veterinary Science (2024)

Respiratory disease in cattle is a significant global concern, yet current diagnostic methods are limited, and there is a lack of crush-side tests for detecting active disease. To address this gap, we propose utilizing electrical impedance ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2023.1275013

Study of a constrained finite element elbow prosthesis: the influence of the implant placement

Lorenzo Nalbone, Francesco Monac, Luca Nalbone, Tommaso Ingrassia et al. • Journal of Orthopaedics and Traumatology (2023)

Abstract Background The functional results of total elbow arthroplasty (TEA) are controversial and the medium- to long-term revision rates are relatively high. The aim of the present study was to analyze the stresses of TEA in its classic c...

DOAJ Open Access (DOAJ) DOI: 10.1186/s10195-023-00690-x

Isoliquiritigenin Attenuates Staphylococcus aureus Adhesion and Invasion to Counteract Staphylococcus aureus Pathogenicity and Infection

Lili Tian, Lili Tian, Jian Sun, Hong Jiang et al. • Frontiers in Cellular and Infection Microbiology (2025)

IntroductionMethicillin-resistant Staphylococcus aureus (MRSA) is a major clinical challenge due to its virulence and multidrug resistance. Antivirulence strategies targeting key pathogenic mechanisms without affecting bacterial viability p...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2025.1686699

Bioecological Study on the Sand Flies (Diptera: Psychodidae, Phlebotominae) in Sari County, North of Iran

Nasibeh Hosseini-Vasoukolaei, Leila Ghavibazou, Amir Ahmad Akhavan, Ahmad Ali Enayati et al. • Journal of Arthropod-Borne Diseases (2023)

Background: Phlebotomine sand flies are vectors of Leishmania species, the causative agents of leishmaniasis in the world. Present study aimed to evaluate the bioecological aspects of sand flies in different ecotopes in Sari County, north o...

DOAJ Open Access (DOAJ) DOI: 10.18502/jad.v16i2.11806

Motivation and context of concurrent stimulant and opioid use among persons who use drugs in the rural United States: a multi-site qualitative inquiry

R. J. Fredericksen, R. Baker, A. Sibley, A. T. Estadt et al. • Harm Reduction Journal (2024)

Abstract Background In recent years, stimulant use has increased among persons who use opioids in the rural U.S., leading to high rates of overdose and death. We sought to understand motivations and contexts for stimulant use among persons ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12954-024-00986-z

Analyzing the Influence of Place Attachment on Citizens' Environmental Protection Behaviors: A Case Study of Rasht City

Aliakbar Salaripour, Arman Hamidi, Alieh Faridi Foshtomi,, Amir Hosein Nourbakhsh • برنامه‌ریزی توسعه شهری و منطقه‌ای (2024)

Nowadays, a significant aspect of citizens' environmental conduct is intertwined with their connection and emotional bond to the city. This attachment to the urban environment is regarded as a critical element in fostering environmentally c...

DOAJ Open Access (DOAJ) DOI: 10.22054/urdp.2024.76342.1597

Point of Care Ultrasonographic Life Support in Emergency (PULSE)—a quasi-experimental study

Noman Ali, Abdul Ahad Chhotani, Sannia Perwaiz Iqbal, Salman Muhammad Soomar et al. • International Journal of Emergency Medicine (2023)

Abstract Background Many physicians use point-of-care ultrasound (PoCUS) in their clinical practice to improve their diagnostic capabilities, accuracy, and timeliness. Over the last two decades, the use of PoCUS in the emergency room has dr...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12245-023-00525-w

Intersecting inequalities in experiences of violence among Brazilian adults: a multilevel analysis of individual heterogeneity and discriminatory accuracy (MAIHDA) of the 2019 National Health Survey

Wilson H. Hammett, James Macinko • International Journal for Equity in Health (2026)

Abstract Introduction Existing quantitative studies of violence victimization in Brazil often examine individual demographic and socioeconomic risk factors, limiting insight into how identities can intersect to co-produce vulnerability or r...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12939-026-02818-x

Exploring the Relative Importance and Interactive Impacts of Explanatory Variables of the Built Environment on Ride-Hailing Ridership by Using the Optimal Parameter-Based Geographical Detector (OPGD) Model

Zhenbao Wang, Shuyue Liu, Yuchen Zhang, Xin Gong et al. • Applied Sciences (2023)

The impact of the built environment on the ridership of ride-hailing results depends on the spatial grid scale. The existing research on the demand model of ride-hailing ignores the modifiable areal unit problem (MAUP). Taking Chengdu as an...

DOAJ Open Access (DOAJ) DOI: 10.3390/app13042180

Screen Out Anaemia Among Adolescent Boys as Well!

Dheeraj Gupta, Bhawana Pant, Ranjeeta Kumari, Monika Gupta • National Journal of Community Medicine (2013)

Background: Adolescence – a period of transition between childhood and adulthood is a significant period of human growth and maturation. Adolescents represent about a fifth of India’s population. Many studies in recent times have highlighte...

DOAJ Open Access (DOAJ)

Collision Avoidance Strategies for Uncrewed Aircraft Systems in Structured Airspace Using a Roundabout Intersection

Skyler Hawkins, Jaya Sravani Mandapaka, Logan McCorkendale, Zachary McCorkendale et al. • IEEE Open Journal of Vehicular Technology (2025)

The increasing size of the Uncrewed Aircraft System (UAS) ecosystem necessitates effective infrastructure and Collision Avoidance (CA) systems to facilitate high-density UAS traffic in urban environments. Unfortunately, current-generation A...

DOAJ Open Access (DOAJ) DOI: 10.1109/OJVT.2025.3562581

Optimization of Training Signal Transmission for Estimating MIMO Channel under Antenna Mutual Coupling Conditions

Xia Liu, Marek E. Bialkowski • International Journal of Antennas and Propagation (2010)

This paper reports investigations on the effect of antenna mutual coupling on performance of training-based Multiple-Input Multiple-Output (MIMO) channel estimation. The influence of mutual coupling is assessed for two training-based channe...

DOAJ Open Access (DOAJ) DOI: 10.1155/2010/213576

On-board diagnostics method for detecting bearing defects in traction synchronous permanent magnet motors based on stator current spectrum

E. A. Dvoeglazov, O. A. Kozelkov, P. K. Dyakov • Вестник СибАДИ (2026)

Introduction. The reliability of traction electric drive is a key factor determining the operational efficiency of urban electric transport. Bearing assemblies of electric motors remain one of the most common causes of failures leading to v...

DOAJ Open Access (DOAJ) DOI: 10.26518/2071-7296-2026-23-2-334-348