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Cell divisions both challenge and refine tissue boundaries in the Drosophila embryo. [PDF]

open access: yesDevelopment
Castle V   +4 more
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Tensions between Access and Control in Makerspaces

Proceedings of the ACM on Human-Computer Interaction, 2021
Makerspaces have complex access control requirements and are increasingly protected through digital access control mechanisms (e.g., keycards, transponders). However, it remains unclear how space administrators craft access control policies, how existing technical infrastructures support and fall short of access needs, and how these access control ...
Jacob Logas   +3 more
openaire   +1 more source

Bolt Tension Control with a Direct Tension Indicator

Engineering Journal, 1973
Achieving the minimum required bolt tension in a high strength bolted friction-type joint is a primary factor, since the slip resistance of the joint is dependent on the bolt tension. Current specifications require that high strength structural bolts be tightened to at least 70 percent of the minimum required tensile strength.
John H.A. Struik   +2 more
openaire   +1 more source

Tightening a Tension-Control Bolt without a Tension-Control Gun

Practice Periodical on Structural Design and Construction, 2019
AbstractTension control (TC) bolts are the most-used bolt in steel building construction. They are designed to be tightened using a TC gun.
openaire   +1 more source

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