Results 31 to 40 of about 4,317,612 (300)

Scoping Study : Urban Mobility in Three Cities--Addis Ababa, Dar es Salaam, and Nairobi

open access: yes, 2002
A comprehensive investigative study was implemented in 2002, on the status, and development of urban mobility in three Sub-Saharan African cities - Addis Ababa, Ethiopia; Nairobi, Kenya; and, Dar-es-Salaam, Tanzania.
World Bank
core   +1 more source

Extending Service Beyond Active Duty: Generalizability of Rheumatoid Arthritis Research Conducted Among U.S. Veterans

open access: yesArthritis Care &Research, Accepted Article.
Biomedical research involving United States Veterans continues to advance healthcare beyond the Veterans Health Administration. This is particularly true in rheumatoid arthritis (RA), where Veteran‐centric research has uncovered novel insights into pathogenesis, risk factors, and disease manifestations, informing clinical care and research across both ...
Austin M. Wheeler   +20 more
wiley   +1 more source

An accurate safety and congestion monitoring framework with a swarm of drones

open access: yesTransportation Research Interdisciplinary Perspectives
This paper provides a complete framework to illustrate the pioneering application of drones in traffic safety analysis, which includes the design of drone operations, extraction of vehicle trajectories using state-of-the-art computer vision techniques ...
Jasso Espadaler-Clapés   +3 more
doaj   +1 more source

Modelling of the Traffic Flow Basic Characteristics at the Road Network Selected Section

open access: yesCommunications, 2021
Elimination of connection between an increase in transport and economic growth has been the main aim of the transport policy of the EU for a few years and it has not been accomplished yet.
Alica Kalašová   +2 more
doaj   +1 more source

Structural Power Composites Based on High Mass Loading Zn‐Ion Hybrid Supercapacitors with Metal Mesh Current Collectors and Aramid Nanofiber/Glass Fiber Composite Electrolytes

open access: yesAdvanced Functional Materials, EarlyView.
A multifunctional structural power composite is developed by integrating high‐mass‐loading Zn‐ion hybrid supercapacitors with metal mesh current collectors and aramid nanofiber‐based composite electrolytes, enabling simultaneous load‐bearing capability and enhanced areal energy storage.
Yuseung Choi   +8 more
wiley   +1 more source

Research on Relationship between Freight Transport Performance and GDP in Slovakia and EU Countries

open access: yesNaše More (Dubrovnik), 2018
The paper deals with developments in gross domestic product (GDP) and transport performance in freight transport in EU countries, measurement and performance reporting. The authors examine the correlation between freight transport performance and EU GDP.
Jozef Gnap   +2 more
doaj   +1 more source

The principles of public transport network planning: a review of the emerging literature with select examples [PDF]

open access: yes, 2011
This paper highlights for urban planners the key strategies and tactics that can be deployed to improve suburban public transport networks. Introduction The governance and management of public transport systems is an essential component of metropolitan
John Stone   +3 more
core  

Broadband Silicon‐On‐Glass Reflective Dielectric Metasurface for THz Beam Steering in 6G Wireless Networks

open access: yesAdvanced Functional Materials, EarlyView.
A CMOS‐compatible, all‐dielectric Silicon‐on‐Glass reflective metasurface enables low–loss terahertz wavefront control for future 6G wireless communication. Mie‐resonant silicon pillars provide full phase coverage near 500 GHz, achieving experimentally validated single‐, dual‐, and five‐beam steering with sub‐1.5° angular error and less than 3 dB ...
Rithwik Premanand   +6 more
wiley   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

Implementation Strategies of TOD Investing and Financing Model in Shenzhen

open access: yesChengshi guidao jiaotong yanjiu
[Objective] Due to its advantages of high flexibility, strong operability, and risk diversification, TOD (transit oriented development) investing and financing model(hereafter abbreviated as TOD model)has become a new choice for rail transit in this ...
HE Longqing, QIN Yu, LI Siji
doaj   +1 more source

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