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Advanced Engineering Materials, EarlyView.CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz +4 more
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Rapidly Solidified High‐Strength Invar 36 Prepared by Planar‐Flow Melt Spinning
Advanced Engineering Materials, EarlyView.The Invar 36 alloy was rapidly solidified using the planar‐flow melt‐spinning technique. Ribbon samples with thicknesses ranging from 20 to 160 mm were produced. As the grain size of the ribbon decreased to sub‐micron levels, the hardness increased by more than 2 times.
Bekir Akgül, Mehmet Kul
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Direct compression properties of chitin and chitosan
European Journal of Pharmaceutics and Biopharmaceutics, 2008Deformation and compaction properties of native amino poly-saccharides chitin and chitosan were studied and compared with those obtained with established pharmaceutical direct compression excipients. An instrumented single-punch tablet machine was used for tablet compaction.
Viviana Garcia Mir +2 more
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Unjamming strongly compressed rafts: Effects of the compression direction
Physical Review E, 2022We experimentally study the unjamming dynamics of strongly compressed particle rafts confined between two fixed walls and two movable barriers. The back barrier is made of an elastic band, whose deflection indicates the local stress. The front barrier is pierced by a gate, whose opening triggers local unjamming.
Gregor Plohl +2 more
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Advances in Operator Theory, 2023
Let \(A\) be a square matrix partitioned as follows: \[ A = \left[ \begin{array}{cc} B & C \\ D & E \end{array} \right]. \] The authors study several sufficient conditions on \(A\) to assure that \(A\) is a direct sum of \(B\) and \(C\), i.e., \(C=0\) and \(D=0\).
Hwa-Long Gau, Pei Yuan Wu
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Let \(A\) be a square matrix partitioned as follows: \[ A = \left[ \begin{array}{cc} B & C \\ D & E \end{array} \right]. \] The authors study several sufficient conditions on \(A\) to assure that \(A\) is a direct sum of \(B\) and \(C\), i.e., \(C=0\) and \(D=0\).
Hwa-Long Gau, Pei Yuan Wu
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Prediction-Directed Compression of POMDPs
2008 Seventh International Conference on Machine Learning and Applications, 2008High dimensionality of belief space in partially observable Markov decision processes (POMDPs) is one of the major causes that severely restricts the applicability of this model. Previous studies have demonstrated that the dimensionality of a POMDP can eventually be reduced by transforming it into an equivalent predictive state representation (PSR). In
Abdeslam Boularias +2 more
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Direct cardiac compression devices
The Journal of Heart and Lung Transplantation, 2002Ventricular assist devices employed clinically to assist the failing heart require direct contact between the device and the patient's blood. Thromboembolic events, the need for anticoagulation, hemolysis, immune reactions and infections contribute significantly to morbidity and mortality of these devices.
Mehmet C, Oz +2 more
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Direct Fingerprinting on Multicasting Compressed Video
11th International Multimedia Modelling Conference, 2005A video fingerprint is a kind of digital watermark used in digital video for tracking pirate copies in a multi-user environment. Different users receive the same video with different watermarks designed for uniquely identifying designated users. As a value-added business service, fingerprinting is independent from video compression.
Zheng Liu, Xue Li 0001, Zhaoyang Dong
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Direct Compression of Piracetam
Drug Development and Industrial Pharmacy, 1987AbstractIt is demonstrated that piracetam undergoes plastic deformation during compression. Incorporation of magnesium stearate dramatically reduces the mechanical strength of the tablets. This effect is much less pronounced when using glyceryl behenate as a lubricating agent.Silicon dioxide on the contrary increases to a great extent the tensile ...
P. Van Aerde +3 more
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Application of Glueonolaetone in Direct Tablet Compression
Journal of Pharmaceutical Sciences, 1977Gluconolactone was evaluated as an excipient for tablets prepared by direct compression using various drugs known to be difficult to compress. The physical properties of the tablets were evaluated after compression and after storage and were satisfactory.
S S, Nasir, L O, Wilken, B, Akhtar
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