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3D NUMERICAL MODEL FOR TERRITORIAL RISK ASSESMENT AFTER TERRORIST ACT

M. M. Biliaiev, I. V. Kalashnikov, I. V. Klimenko, V. A. Kozachyna • Nauka ta progres transportu (2018)

Purpose. A goal of the work is development of 3D numerical model for a territorial risk assessment in a case of a terrorist attack with usage of a chemical agent. Methodology. To describe the process of chemical agent dispersion in the atmo...

DOAJ Open Access (DOAJ) DOI: 10.15802/stp2018/133431

The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays

Tommy Hult, Abbas Mohammed • International Journal of Antennas and Propagation (2010)

We analyze the destructive effects of mutual coupling and spatial correlation between the separate antenna elements on a combined diversity system consisting of multiple HAPs (High-Altitude Platforms) employing various compact MIMO (Multipl...

DOAJ Open Access (DOAJ) DOI: 10.1155/2010/492915

Effects of Titanate Coupling Agent on Engineering Properties of Asphalt Binders and Mixtures Incorporating LLDPE-CaCO3 Pellet

Mohd Rosli Mohd Hasan, Zhanping You, Mohd Khairul Idham Mohd Satar, Muhammad Naqiuddin Mohd Warid et al. • Applied Sciences (2018)

This study was initiated to evaluate the performance of asphalt binders and mixtures incorporating linear low-density polyethylene- calcium carbonate (LLDPE-CaCO3) pellet, either with or without titanate coupling agent. The detailed manufac...

DOAJ Open Access (DOAJ) DOI: 10.3390/app8071029

Digital Twin Technology for Prefabricated Assembly Superimposed Station Based on BIM + IoT Integration

Ling LE, Linhai LU, Xiaojun LI, Yanyun LYU et al. • Chengshi guidao jiaotong yanjiu (2026)

ObjectiveCompared with traditional concrete construction, the application of prefabricated assembly construction based on digital twin technology in urban rail transit station construction can effectively ensure component production quality...

DOAJ Open Access (DOAJ) DOI: 10.16037/j.1007-869x.20240069

Experimental Study on the Sliding of WJ-8 Small Resistance Fastener Composite Pad

Zhiping Zeng, Di Wang, Fushan Liu, Abdulmumin A. Shuaibu et al. • Advances in Civil Engineering (2020)

Under long-term temperature loading, long bridges stretch and deform, causing the beam and rail to move relative to each other. This phenomenon could cause a gradual slide of the rail relative to the fastener composite pad and ultimately re...

DOAJ Open Access (DOAJ) DOI: 10.1155/2020/1918043

Accuracy Analysis of Convergence Monitoring in Twin-tube Shield Tunnels Using Mobile Laser Scanning

WANG Xinhong, XIA Caichu, HU Guojin, WU Ting et al. • Chengshi guidao jiaotong yanjiu (2025)

[Objective] Mobile 3D laser scanning technology is widely applied in single-tube tunnel monitoring due to its excellent measurement efficiency and high accuracy. However, the application of this technology for deformation monitoring in twin...

DOAJ Open Access (DOAJ) DOI: 10.16037/j.1007-869x.20230782

Algae-Mamba: A Spatially Variable Mamba for Algae Extraction From Remote Sensing Images

Yaoteng Zhang, Shuaipeng Wang, Yanlong Chen, Shiqing Wei et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2025)

To maintain marine ecosystem health, effective algae monitoring is essential. Traditional threshold-based methods and standard machine learning techniques often fall short in accurately and automatically distinguishing algae types. This stu...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2025.3571988

ICESat‐2 Pointing Calibration and Geolocation Performance

S. B. Luthcke, T. C. Thomas, T. A. Pennington, T. W. Rebold et al. • Earth and Space Science (2021)

Abstract ICESat‐2 science requirements are dependent on the accurate real‐time pointing control (i.e., geolocation control) and postprocessed geolocation knowledge of the laser altimeter surface returns. Prelaunch pointing alignment errors ...

DOAJ Open Access (DOAJ) DOI: 10.1029/2020EA001494

New Occurrence of Seifertite and Stishovite in Chang’E‐5 Regolith

Runlian Pang, Jing Yang, Wei Du, Aicheng Zhang et al. • Geophysical Research Letters (2022)

Abstract High‐pressure minerals in impact ejecta quantify shock conditions and provide clues for provenance analysis. The sampling site of Chang’E‐5 may contain distal ejecta, which is critical for constraining the impact events and interpr...

DOAJ Open Access (DOAJ) DOI: 10.1029/2022GL098722

IceRegionShip: Optical Remote Sensing Dataset for Ship Detection in Ice-Infested Waters

Peilin Wang, Bingxin Liu, Ying Li, Peng Chen et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2024)

As shipping routes and resource exploration move toward high-latitude oceans, sea ice becomes a major threat to the safety of ship navigation, posing significant challenges to the shipping industry and offshore resource development. Continu...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2023.3335294

Integrating uncertainty propagation in GNSS radio occultation retrieval: from excess phase to atmospheric bending angle profiles

J. Schwarz, J. Schwarz, G. Kirchengast, G. Kirchengast et al. • Atmospheric Measurement Techniques (2018)

Global Navigation Satellite System (GNSS) radio occultation (RO) observations are highly accurate, long-term stable data sets and are globally available as a continuous record from 2001. Essential climate variables for the thermodynamic ...

DOAJ Open Access (DOAJ) DOI: 10.5194/amt-11-2601-2018

Seismic Monitoring in Severo-Kurilsk Before and After the July 29 (30), 2025 Earthquake Based on Data from an Engineering Seismometric Station

Kostyleva Natal'ya, Kostylev Dmitry • Russian Journal of Earth Sciences (2026)

In April 2024, an engineering seismometric station was installed in a residential building in Severo-Kurilsk (Paramushir Island, Sakhalin Oblast) to obtain information about the vibrations of structures and adjacent ground areas during eart...

DOAJ Open Access (DOAJ) DOI: 10.2205/2026es001126

FROM BARCHAN TO DOMIC SHAPE: EVOLUTION OF A COASTAL SAND DUNE IN NORTHEASTERN BRAZIL BASED ON GPR SURVEY

Josibel G. Oliveira Jr., Walter E. Medeiros, Werner F. Tabosa, Helenice Vital • Brazilian Journal of Geophysics (2008)

ABSTRACT A sand dune located near São Bento do Norte and Caiçara do Norte towns (northern coastal region of Rio Grande do Norte state, Northeastern Brazil) is rapidly migrating toward urban areas. To understand the depositional processes (e...

DOAJ Open Access (DOAJ) DOI: 10.1590/S0102-261X2008000100001

Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations

Chenyang Zhang, Gang Wan, Lei Liu, Yutong Jia • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2022)

Research on lunar basalt thickness and subsurface features is of great significance to conclude the magma evolution history and explore the thermal evolution process of the Moon. The mission of Lunar Radar Sounder (LRS) made subsurface dete...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2022.3173790

Ice Nucleation Enhancement in Ambient Aerosols Under High‐Salinity Conditions: Insights From Cloud Chamber Experiments

Minsu Park, Sungmin Park, Jeonggyu Kim, Chanwoo Ahn et al. • Geophysical Research Letters (2026)

Abstract Ice‐nucleating particles (INPs) play a role in mixed‐phase clouds, yet the processes controlling their properties remain poorly understood. Water‐soluble salts such as sodium chloride (NaCl) depress the freezing temperature of clou...

DOAJ Open Access (DOAJ) DOI: 10.1029/2026GL123395