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Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, 2021
Public libraries in the U.S. and around the world are rapidly changing due to expanding technological and social needs of their communities. Furthermore, in recent years, public spaces, including libraries, have faced budgetary and other pressures, putting a strain on the resources available to librarians.
Sandjar Kozubaev, Carl DiSalvo
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Public libraries in the U.S. and around the world are rapidly changing due to expanding technological and social needs of their communities. Furthermore, in recent years, public spaces, including libraries, have faced budgetary and other pressures, putting a strain on the resources available to librarians.
Sandjar Kozubaev, Carl DiSalvo
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Nature Cell Biology, 2020
Active transport along microtubules by molecular motors is a crucial cellular process that is disrupted in human diseases. Single-molecule studies from three independent groups reveal a new molecular mechanism for how cells control the activity of the complex microtubule motor cytoplasmic dynein via the neurodevelopmental protein LIS1.
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Active transport along microtubules by molecular motors is a crucial cellular process that is disrupted in human diseases. Single-molecule studies from three independent groups reveal a new molecular mechanism for how cells control the activity of the complex microtubule motor cytoplasmic dynein via the neurodevelopmental protein LIS1.
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Analysis of crack-dislocation interaction: crack closure, crack opening
Materials Science and Engineering: A, 1994Abstract The decrease in stress intensity factor, expected from dislocation emission at a crack tip, can be achieved either through a change in crack tip radius (blunting) or through a crack closure induced by the dislocation (shielding) opposite to the opening imposed by the external stress field.
M.A. Loyola de Oliveira, G. Michot
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Crack opening displacements of Vickers indentation cracks
Engineering Fracture Mechanics, 2005Vickers indentation cracks are an appropriate tool to determine the crack-tip toughness KI0 and, possibly, the bridging relation of ceramics with an R-curve behaviour from the total crack opening displacements. Two contributions to the total crack opening displacement field are addressed. First, the residual stresses occurring in the uncracked body are
Fett, T., Kunga Njiwa, A. B., Rödel, J.
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Crack Opening Geometry in Cracked Composite Laminates
International Journal of Damage Mechanics, 1997Talreja and coworkers have reported brittle and tough polymer matrix composites to show different cross-ply laminate stiffness reductions due to transverse cracks, despite very similar elastic properties. Studies of crack opening displacement (COD) in [0,,,90,] laminates may help in solution of this problem.
J. Varna +3 more
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