Results 101 to 110 of about 120,407 (285)

Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements

open access: yesShock and Vibration, 1994
The impulse response functions (force-strain relations) for Euler–Bernoulli and Timoshenko beams are considered. The response of a beam to a transverse impact force, including reflection at the boundary, is obtained with the convolution approach using ...
Hyungsoon Park, Youn-sik Park
doaj   +1 more source

Experimental and Theoretical Analysis for Isolation Performance of New Combined Isolation Devices under Blast Loading

open access: yesAdvances in Civil Engineering, 2020
The strong shock and vibration effect caused by explosion may pose a serious threat to the surrounding environment and the safety of personnel and equipment. This also makes the problem of vibration isolation and absorption of the structures subjected to
Yang Liu   +5 more
doaj   +1 more source

The lack of legal protections in the United States to prevent commercializing the dead for education and research: Consequences and risks to anatomists

open access: yesAnatomical Sciences Education, EarlyView.
Abstract A lack of minimum legal standards for body donation programs undermines recent strides by anatomy professionals to promote ethical best practices in the United States (US). In particular, the commercialization of the dead by nontransplant tissue banks poses a risk to the public trust in academic body donation programs.
Laura E. Johnson
wiley   +1 more source

Behavior of stainless steel–reinforced concrete piers under lateral impact loading

open access: yesAdvances in Mechanical Engineering, 2017
In this study, stainless steel bars with the same diameter were used to replace ordinary stressed steel bars in reinforced concrete bridge piers. An ultra-high drop hammer impact test system was adopted for multiple horizontal impact tests on two groups ...
Guoxue Zhang   +4 more
doaj   +1 more source

String Figuring young children's perspectives of quality in English early childhood education and care

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Quality in early childhood education and care (ECEC) is a contested concept and has generally been conceptualised by inter‐related indicators such as staff qualifications, educational environment, policy or child‐to‐staff ratios. There has been a more limited emphasis on how young children might perceive and experience quality.
Nikki Fairchild, Éva Mikuska
wiley   +1 more source

A comparative study on the restrictions of dynamic test methods

open access: yesEPJ Web of Conferences, 2015
Dynamic behavior of materials is investigated using different devices. Each of the devices has some restrictions. For instance, the stress-strain curve of the materials can be captured at high strain rates only with Hopkinson bar. However, by using a new
Majzoobi GH., Lahmi S.
doaj   +1 more source

Reception Baseline Assessment and ‘small acts’ of micro‐resistance

open access: yesBritish Educational Research Journal, EarlyView.
Abstract In September 2021, following the global COVID‐19 pandemic, the Department for Education introduced a national standardised digital Reception Baseline Assessment (RBA) for all English 4‐year‐old children. We analyse RBA and its associated Quality Monitoring Visits, as a further intensification of the new public management of early years ...
Guy Roberts‐Holmes   +2 more
wiley   +1 more source

Test study on impact resistance of hydraulic support based on energy-absorbing material

open access: yesMeikuang Anquan
The application of energy-absorbing material on the top beam of the hydraulic support can effectively improve its impact resistance under instantaneous dynamic loading.
Shiwei LI   +5 more
doaj   +1 more source

Activism as education in and through the youth climate justice movement

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Young people worldwide are increasingly participating in a global movement for climate justice, yet to date, little research has examined how youth climate justice activists conceive of and experience activism as education. The present study used in‐depth, semi‐structured interviews with 16 US climate justice activists (aged 15–17) to address ...
Carlie D. Trott
wiley   +1 more source

‘When joy comes your way, you have to grab it!’ Troubling how queer joy features in the lives of LGBT+ school‐attending youth in South Africa

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Recently, the concept ‘queer joy’ has gained interest in LGBT+ scholarship in the West. I use this scholarship as an entry point to explore how school‐attending LGBT+ youth express joy and how joy serves as a form of resistance against gender and sexuality norms in educational settings.
Dennis Francis
wiley   +1 more source

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