Reset
Showing 20 of 817 academic articles

Nozzle atomizing performance evaluation in complex environment using residual atrous spatial pyramid network

Ya Yang, Chuanchang Li, Xiaonan Hou, Chunlei Wang et al. • AIP Advances (2022)

Conventional spray particle detection methods have disadvantages such as spray field interference, large subjective standard error, and an inability to specifically analyze the spray particle movement. Manual methods used the uniformity of ...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0083129

ALL-IN-ONE LASER SCANNING METHODS FOR SURVEYING, REPRESENTING AND SHARING INFORMATION ON ARCHAEOLOGY. VIA FLAMINIA AND THE FURLO TUNNEL COMPLEX

P. Clini, R. Nespeca, A. Bernetti • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2013)

The aim of this paper is to describe the results of the laser scanner survey of an archaeological complex, aimed at knowledge, documentation and diagnostic operations to make premises secure. Archaeology has always been the most complex su...

DOAJ Open Access (DOAJ) DOI: 10.5194/isprsarchives-XL-5-W2-201-2013

The Numerical Solution of Fractional Parabolic Partial Integro-Differential Eequations by Gaussian and Inverse Multiquadric Radial Basis Functions

F. S. Aghaei Maybodi, M. H. Heydari, F. M. Maalek Ghaeini, M. H. Akrami • پژوهش‌های ریاضی (2021)

Introduction Many mathematical formulations of physical phenomena contain integro-differential equations. These equations arise in fluid dynamics, biological models, chemical kinetics, ecology, control theory of financial mathematics, aeros...

DOAJ Open Access (DOAJ)

Generating Daily High-Resolution Regional XCO<sub>2</sub> by Deep Neural Network and Multi-Source Data

Wenjie Tian, Lili Zhang, Tao Yu, Dong Yao et al. • Atmosphere (2024)

CO2 is one of the primary greenhouse gases impacting global climate change, making it crucial to understand the spatiotemporal variations of CO2. Currently, commonly used satellites serve as the primary means of CO2 observation, but they of...

DOAJ Open Access (DOAJ) DOI: 10.3390/atmos15080985

Numerical Simulation of an Intramedullary Elastic Nail: Expansion Phase and Load-Bearing Behavior

Giulia Pascoletti, Filippo Cianetti, Giovanni Putame, Mara Terzini et al. • Frontiers in Bioengineering and Biotechnology (2018)

The Marchetti-Vicenzi's nail is an intramedullary device where six curved nails are kept straight by a closing ring in order to allow their insertion into the medullary canal of a long bone; in a following step, these nails stabilize the fr...

DOAJ Open Access (DOAJ) DOI: 10.3389/fbioe.2018.00174

Urban Sprawl and Changes in Land-Use Efficiency in the Beijing–Tianjin–Hebei Region, China from 2000 to 2020: A Spatiotemporal Analysis Using Earth Observation Data

Meiling Zhou, Linlin Lu, Huadong Guo, Qihao Weng et al. • Remote Sensing (2021)

Sustainable development in urban areas is at the core of the implementation of the UN 2030 Agenda and the Sustainable Development Goals (SDG). Analysis of SDG indicator 11.3.1—Land-use efficiency based on functional urban boundaries—provide...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs13152850

Disturbance Compensation Model Predictive Control for Free‑Floating Space Robots

LIU Jianxing, ZHANG Ouyang, MA Xiaolong, CHEN Meng et al. • Nanjing Hangkong Hangtian Daxue Xuebao (2026)

Free-floating space robots (FFSRs) have emerged as critical unmanned platforms for long-term in-orbit services thanks to their high mobility and extended operational lifespan. However, external disturbances caused by dynamic space environme...

DOAJ Open Access (DOAJ) DOI: 10.16356/j.2097-6771.2026.01.015

Observer-Based Robust Finite-Time Trajectory Tracking Control for a Stratospheric Satellite Subject to External Disturbance and Actuator Saturation

Shurui Huang, Yueneng Yang, Ye Yan, Shifeng Zhang et al. • International Journal of Aerospace Engineering (2022)

The stratospheric satellite is regarded as an ideal stratosphere flight platform and is able to accomplish various missions such as surveillance, earth observation, and remote sensing, which requires a robust and effective trajectory tracki...

DOAJ Open Access (DOAJ) DOI: 10.1155/2022/1601771

Evaluating key predictors of breast cancer through survival: a comparison of AFT frailty models with LASSO, ridge, and elastic net regularization

Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer (2025)

Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12885-025-14040-z

Seemingly unrelated time series model for forecasting the peak and short-term electricity demand: Evidence from the Kalman filtered Monte Carlo method

Frank Kofi Owusu, Peter Amoako-Yirenkyi, Nana Kena Frempong, Akoto Yaw Omari-Sasu et al. • Heliyon (2023)

In this extant paper, a multivariate time series model using the seemingly unrelated times series equation (SUTSE) framework is proposed to forecast the peak and short-term electricity demand using time series data from February 2, 2014, to...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e18821

An artificial neural network-based model for predicting paratransit travel time

George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering (2024)

The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2024.2386383

Mathematical Modeling of Leptospirosis With Misdiagnosis

Japheth Musingila Mwongela, Caroline Kanyiri, Virginia Kitetu • Journal of Applied Mathematics (2026)

Leptospirosis is a widespread zoonotic bacterial disease that continues to pose a major public health challenge, particularly in developing countries where it causes substantial morbidity, mortality, and economic losses. A key problem in co...

DOAJ Open Access (DOAJ) DOI: 10.1155/jama/5513951

Entropy Measures for Plithogenic Sets and Applications in Multi-Attribute Decision Making

Shio Gai Quek, Ganeshsree Selvachandran, Florentin Smarandache, J. Vimala et al. • Mathematics (2020)

Plithogenic set is an extension of the crisp set, fuzzy set, intuitionistic fuzzy set, and neutrosophic sets, whose elements are characterized by one or more attributes, and each attribute can assume many values. Each attribute has a corres...

DOAJ Open Access (DOAJ) DOI: 10.3390/math8060965

Factors Affecting Quality of Accounting Information and its impact on local government fixed assets management's effectiveness: A study on Local Government of Indonesia

Fitra Dharma, Mega Metalia, Sari Indah Oktanti Sembiring • The Indonesian Journal of Accounting Research (2023)

Inseparable from managing regional fixed assets is the quality of information or data utilized by each unit. The quality of accounting information in government is heavily dependent on the leadership's commitment, the effectiveness of inter...

DOAJ Open Access (DOAJ) DOI: 10.33312/ijar.636

Which scoring systems are useful for predicting the prognosis of lower gastrointestinal bleeding? Old and new

Ku Bean Jeong, Hee Seok Moon, Kyung Ryun In, Sun Hyung Kang et al. • BMC Gastroenterology (2025)

Abstract Background The incidence of lower gastrointestinal bleeding is on the rise, prompting the creation of various scoring systems to forecast patient’s outcomes. But there is no single unified scoring system and these scoring systems c...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12876-025-03638-z

Predicting the distribution and habitat suitability of the smooth-coated otter (Lutrogale perspicillata) in lowland Nepal

Paras Mani Acharya, Panu Thainiramit, Kuaanan Techato, Suraj Baral et al. • Global Ecology and Conservation (2023)

Ever increasing anthropogenic pressures and natural threats to freshwater ecosystems are impacting global biodiversity. Otters are an indicator species that have an important role in maintaining the integrity and stability of wetland ecosys...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.gecco.2023.e02578

PROCEDURE ENABLING SIMULATION AND IN-DEPTH ANALYSIS OF OPTICAL EFFECTS IN CAMERA-BASED TIME-OF-FLIGHT SENSORS

M. Baumgart, N. Druml, M. Consani • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2018)

This paper presents a simulation approach for Time-of-Flight cameras to estimate sensor performance and accuracy, as well as to help understanding experimentally discovered effects. The main scope is the detailed simulation of the optical s...

DOAJ Open Access (DOAJ) DOI: 10.5194/isprs-archives-XLII-2-83-2018

Optimizing runoff prediction in plains river network areas: a hybrid XAJ-BP modelling framework with basin structure division

Xu Cheng, Shiqiang Wu, Jiangyu Dai, Xiufeng Wu et al. • Engineering Applications of Computational Fluid Mechanics (2026)

The plain water network area is characterized by its flat terrain and a dense crisscrossing of rivers. The runoff process in this region is significantly influenced by human activities, resulting in a complex relationship between water stor...

DOAJ Open Access (DOAJ) DOI: 10.1080/19942060.2026.2749141

Integration of Hydrological Model and Time Series Model for Improving the Runoff Simulation: A Case Study on BTOP Model in Zhou River Basin, China

Qintai Xiao, Li Zhou, Xin Xiang, Lingxue Liu et al. • Applied Sciences (2022)

Improving the accuracy of runoff simulations is a significant focus of hydrological science for multiple purposes such as water resources management, flood and drought prediction, and water environment protection. However, the simulated run...

DOAJ Open Access (DOAJ) DOI: 10.3390/app12146883