Results 121 to 130 of about 10,813 (266)
Small Methods, EarlyView.For the observation of micromechanical devices, a fast imaging technique with high temporal resolution is needed. Here, we demonstrate that a standard scanning electron microscope can be converted into a time‐resolving instrument using a fast detector and a time‐to‐digital converter.
Joel Rehmann +4 more
wiley +1 more source
Structural Concrete, EarlyView.Abstract The structural role of precast concrete walls with openings is often overlooked in design practice due to concerns about reduced stiffness, stress concentration, cracking around openings, and potential unexpected failure modes under seismic loading.
Gonçalo Marreneca +2 more
wiley +1 more source
Structural Concrete, EarlyView.Abstract In precast concrete structures, optimizing the design of corbels by considering the contributions of secondary reinforcement elements can significantly improve construction economy, especially when corbels are repeated multiple times. This paper proposes a strut‐and‐tie model for reinforced concrete corbels subjected to vertical and/or ...
Rejane Martins Fernandes Canha +3 more
wiley +1 more source
Flexural behavior of precast prestressed slabs with embedded building service systems
Structural Concrete, EarlyView.Abstract Dry‐assembled precast concrete construction is rapidly spreading in many parts of the world due to the several advantages offered by industrialized construction. In order to speed up not only the assemblage of the structure, but also the full integrated building process, engineering systems (mechanical–electrical–plumbing) may be prefabricated
Bruno Dal Lago, Aleksei Abramov
wiley +1 more source
Advances in Difference Equations, 2010 We define the twisted -Bernoulli polynomials and the twisted generalized -Bernoulli polynomials attached to of higher order and investigate some symmetric properties of them.
Lee B +5 more
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Structural Concrete, EarlyView.Abstract Several test methods have been proposed in the literature for measuring the level of residual prestress, most of them involving either semi‐ or fully destructive techniques for local measurements which could be highly sensitive to boundary conditions and execution details.
Giuseppe Zarrella +2 more
wiley +1 more source
On Generations of the Numbers of Bernoulli and Euler [PDF]
Proceedings of the National Academy of Sciences, 1937 openaire +3 more sources
Journal of Research in Science Teaching, EarlyView.ABSTRACT Although high school science course‐taking is highly valued in college admissions, its predictability for college enrollment, a key step in access to many STEM fields, has not been sufficiently investigated in the context of wide variability in science courses and updated standards.
Vandeen A. Campbell +2 more
wiley +1 more source
Tree cover and geographic origin of tree species drive bird functional groups in urban environments
Wildlife Biology, EarlyView.Urban trees provide habitat and resources for wild species in cities and support biodiversity provision of ecosystem services, among which insect control is particularly relevant. Predators of insects are promoted by the presence of trees and, in turn, may enhance biosecurity of the trees.
Marco Basile +2 more
wiley +1 more source
Factors influencing wintering turfgrass field use in Atlantic brant
Wildlife Biology, EarlyView.Atlantic brant Branta bernicla hrota increasingly use turfgrass fields, such as baseball fields and golf courses, throughout their wintering range. Most studies have focused on their primary food source, submerged aquatic vegetation, while studies of other goose species worldwide have examined field use in different contexts, including agricultural ...
David J. Weber +3 more
wiley +1 more source