Results 161 to 170 of about 95,223 (215)
Digital Microneedles for Multiplexed Transdermal Sensing via Fluorescent QR Codes
Advanced Materials, EarlyView.Digital fluorescent microneedles encode biochemical information in skin into scannable QR codes through threshold‐activated probes that generate binary on/off signals. By transforming analog fluorescence into discrete digital patterns, this platform enables calibration‐free, multiplexed transdermal sensing of physiologically relevant biomarkers ...
Farbod Abazar +7 more
wiley +1 more source
Positively Charged Polymer‐Brush MOFs for Large‐Area, Pressure‐Resistant Gas Separation Membranes
Advanced Materials, EarlyView.A universal POPA strategy enables positively charged polymer‐brush MOFs with self‐adaptive interfacial interlocking to resist aggregation under fast processing. This design ensures seamless dispersion within large‐area selective layers, achieving 1 m‐wide roll‐to‐roll fabrication of pressure‐resistant MMCMs with tunable CO2 separation performance ...
Yi Yang +11 more
wiley +1 more source
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Compressive strength testing of compressed earth blocks
Construction and Building Materials, 2007Abstract As with other masonry units, compressive strength is a basic measure of quality for compressed earth blocks. However, as compressed earth blocks are produced in a great variety of sizes the influence of block geometry on measured strength, primarily through platen restraint effects, must be taken into account.
Jean-Claude Morel
exaly +2 more sources
Compressive strength of canine femur
Journal of Biomechanics, 1979Abstract This study is an in-depth analysis of the mechanical properties of the canine femur. The parameters studied were compressive strength, modulus of elasticity and density. The test specimens (4.5 mm long, 3 mm2 cross-sectional area) were prepared from eight different quadrants about the circumference of different levels of the proximal 2 ...
G H, Kenner, L C, Taylor, J B, Park
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The compressive strength of articular cartilage
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 1998Articular cartilage provides the smooth bearing surfaces in freely moving (synovial) joints. Its mechanical properties are important because structural failure of cartilage is closely associated with joint disorders, including osteoarthritis. Some mechanical properties of cartilage are well characterized, but little is known about its compressive ...
A J, Kerin, M R, Wisnom, M A, Adams
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The Strength of Thin Plates in Compression
Journal of Fluids Engineering, 1932Abstract The stability of thin plates has been investigated by many authors. However, in aeronautical structures, thin metal sheets are often used beyond the stability limits, and the load which can be carried by the structure is determined by the ultimate strength in compression. A recent series of experiments by the Bureau of Standards
von Kármán, Theodore +2 more
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The Strength of Jacks in Compression
Aircraft Engineering and Aerospace Technology, 1949THE strength criterion for hydraulic and pneumatic jacks usually occurs under compression and the methods for determining this strength and the critical load from stability considerations depend largely upon the construction of the jack and the operating conditions in which the load is applied. Suitable methods for use in particular cases are indicated
P. Person, D. Saunders
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Slow Compressive Strength of Amalgam
Journal of Dental Research, 1972An investigation of the compressive strength of amalgam at various loading rates revealed that the strengths of several commercial amalgams loaded at 0.001 inch/ minute were correlated (r = 0.931) to their respective dynamic creep values.
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Compressive strength of heated high-strength concrete
Magazine of Concrete Research, 2007The present study is aimed to study the effect of elevated temperatures ranging from 50 to 250°C on the compressive strength of high-strength concrete (HSC) of M60 grade made with ordinary portland cement (OPC) and pozzolona Portland cement (PPC). Tests were conducted on 100 mm cube specimens. The specimens were heated to different temperatures of 50,
M. Potha Raju +2 more
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Compressive Strength of Unidirectional Composites: Measurement and Prediction
1997The present work examines the effect of resin ductility (varied as a function of temperature) on the compressive strength of unidirectional T800/924C carbon fibre-epoxy laminates. Tests are conducted in a screw-driven machine between room temperature and 100°C.
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