Results 141 to 150 of about 2,880,868 (278)

Experimental investigation of ecological semi-flexible pavement with silica sand as a partial substitution of cement

open access: yesAl-Qadisiyah Journal for Engineering Science
The exploitation of locally available and abundant natural resources such as silica sand and its use as a supplementary cementitious material in the production of grout used in semi-flexible pavement (SFP) surfaces is of paramount importance in reducing ...
Mohammed H. Mohammed   +3 more
doaj   +1 more source

Evaluation of U.S. and European Concrete Pavement Noise Reduction Methods, July 2006 [PDF]

open access: yes, 2006
Highway noise is one of the most pressing of the surface characteristics issues facing the concrete paving industry. This is particularly true in urban areas, where not only is there a higher population density near major thoroughfares, but also a ...

core  

Causes of rutting in flexible and semi-rigid test sections after 14 years of service

open access: yes, 2018
Rutting is a major distress and is commonly targeted in design-build contracts as a key requirement, but at the same time, contemporary design methods usually provide scarce information on evolution in absolute terms.
Ekblad, Jonas,, Lundström, Robert,
core   +1 more source

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

Designing and evaluating a neuroanatomy learning experience using multiple external representations

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Neuroanatomy is challenging, requiring multiple external representations (MER) for comprehension. While studies have examined individual representations of neuroanatomy, a gap remains in understanding how students link across MER, especially between technology‐generated representations with everyday experiences.
Valeria Vendries, Ji Shen
wiley   +1 more source

Paediatric development of radiopharmaceutical imaging agents and radioligand therapeutics

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Abstract This review focuses on the development of radiopharmaceutical imaging agents and radioligand therapeutics for paediatric use. Nuclear medicine plays an important role in the diagnosis and treatment of various childhood conditions, including cancers, infections and brain disorders.
Justin L. Hay   +5 more
wiley   +1 more source

Study on Effect of Aggregate Gradation on Cement Grouted Semi-Flexible Pavement

open access: yes, 2019
Semi-flexible asphalt pavement which is classified as a composite pavement that apply the pore structure of open-graded asphalt mix whereas the cement grout filled to the pavement.
Hanaffi, Muhammad Hairie
core  

Recommended Practice for Accepting New Concrete Pavement Surfaces for Tire/Pavement Noise, March 2, 2011 [PDF]

open access: yes, 2011
This practice provides guidance and example specification language intended for use by Owner-Agencies in development of specific contract language when requiring the evaluation of tire/pavement noise for new concrete pavement surfaces.

core  

Form flows function: Learner‐centered game Re‐design in a STEM classroom

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Re‐designing games facilitates interest‐driven learning and immerses learners in systems thinking. However, there are limited studies exploring how the form and function of tabletop games influence learners' design decisions and learning experiences. To address this gap, we conducted a mixed‐methods study in a STEM classroom in western Canada.
Farzan Baradaran Rahimi   +2 more
wiley   +1 more source

Hot and cold deserts as eco‐evolutionary arenas for understanding plant resistance to multiple abiotic stressors

open access: yesBiological Reviews, EarlyView.
ABSTRACT During their long evolutionary history, land plants have evolved a range of adaptations to different abiotic stressors. These help explain present‐day diversity and distribution patterns, as well as the potential resilience of natural and agricultural systems to a changing climate. Most previous research has focused on adaptation to individual
Marc Fradera‐Soler   +6 more
wiley   +1 more source

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