Results 101 to 110 of about 270,023 (312)

Estimation of on-road mobile emissions based on the vehicle technology in a high-traffic avenue in Panama City, Panama [PDF]

open access: yesE3S Web of Conferences
This study addresses the emissions from mobile sources in a busy avenue. Latest mobile emission inventories estimated pollutants based on fuel sales activities in the country.
Valdes-Montenegro Ana   +3 more
doaj   +1 more source

Methylsiloxanes from Vehicle Emissions Detected in Aerosol Particles. [PDF]

open access: yesEnviron Sci Technol, 2023
Yao P   +9 more
europepmc   +1 more source

Hydrogen-fueled postal vehicle performance evaluation [PDF]

open access: yes
Fuel consumption, range, and emissions data were obtained while operating a hydrogen-fueled postal delivery vehicle over a defined Postal Service Driving Cycle and the 1975 Urban Driving Cycle.
Hall, R. A.
core   +1 more source

Mechanical and Electrical Phenotype of hiPSC‐Cardiomyocytes on Fibronectin‐Based Hydrogels

open access: yesAdvanced Healthcare Materials, EarlyView.
We introduce fibronectin‐based PEG hydrogels with controlled rigidity to enable the culture of iPSC‐derived cardiomyocytes. These substrates offer an alternative to the current culture of these cells on fibronectin‐coated glass, providing enhanced structural and functional behavior. The system provides a more physiologically relevant platform to assess
Ana Da Silva Costa   +8 more
wiley   +1 more source

The growth of transport cector CO2 emissions and underlying factors in Latin America and the Caribbean [PDF]

open access: yes
This study examines the factors responsible for the growth of transport sector carbon dioxide emissions in 20 Latin American and Caribbean countries during 1980-2005 by decomposing the emissions growth into components associated with changes in fuel mix,
Shrestha, Ashish, Timilsina, Govinda R.
core  

Ascorbic Acid Modulates Collagen Properties in Glucocorticoid‐Induced Osteoporotic Bone: Insights into Chemical, Mechanical, and Biological Regulation

open access: yesAdvanced Healthcare Materials, EarlyView.
Osteoporosis from long‐term glucocorticoid (GIOP) use elevates susceptibility to fracture. This study shows GCs impair ascorbic acid (AA) metabolism in osteoblasts, collagen synthesis and extracellular matrix integrity. AA enhanced collagen biochemical and mechanical properties and restored osteoblast and endothelial function. These findings underscore
Micaila DE Curtis   +19 more
wiley   +1 more source

Analyzing vehicle emissions using a hybrid machine learning approach using weighted average based k-means clustering for sustainable transportation decision-making

open access: yesGreen Technologies and Sustainability
In today’s world, the heavy reliance on crude oil for transportation has significant environmental implications, contributing to air pollution and greenhouse gas emissions, exacerbating global climate change and posing health risks.
Mohd Mobasshir   +8 more
doaj   +1 more source

Passenger car emissions in urban areas based on local vehicle fleet and environmental conditions [PDF]

open access: yesGlobal Journal of Environmental Science and Management
BACKGROUND AND OBJECTIVES: For air quality management, appropriate emission inventories are required to be categorized on-road mobile sources such as cars, depending on their use, vehicle technology, and local environmental conditions. This study aims to
A. Valdés-Montenegro   +2 more
doaj   +1 more source

Estimating Full IM240 Emissions from Partial Test Results: Evidence from Arizona [PDF]

open access: yes
The expense and inconvenience of enhanced vehicle emissions testing using the full 240-second dynamometer test has led states to search for ways to shorten the test process.
Ando, Amy   +2 more
core  

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