Results 61 to 70 of about 58,492 (258)

Diseguaglianze nell’eguaglianza. Il ruolo dell’amministrazione pubblica Inequalities in Equality. The Role of Public Administration

EtnoAntropologia, 2023
In 1971 Julian Tudor Hart formulated the «inverse care law» to highlight how those most in need of medical care, on average, receive less, and to highlight the inequities of many European redistributive systems.
Alessandra Pioggia
doaj   +2 more sources

Mixed-type reverse order law of \((AB)^{(13)}\)

Linear Algebra and its Applications, 2009
The authors apply the extremal rank relations of the generalized Schur complement, and the P-singular value decomposition of two matrices \(A\) and \(B\), to study two kinds of mixed-type reverse-order laws for \((A\;B)^{(13)}\). They also obtain necessary and sufficient conditions for these reverse-order laws.
Wang, Minghui, Wei, Musheng, Jia, Zhigang   +2 more
openaire   +1 more source

Reverse order law for the inverse along an element [PDF]

Linear and Multilinear Algebra, 2016
In this paper, we introduce a new concept called left (right) g-MP inverse in a $*$-monoid. The relations of this type of generalized inverse with left inverse along an element are investigated. Also, the reverse order law for the inverse along an element is studied.
Huihui Zhu, Jianlong Chen, Patrício, Pedro   +2 more
openaire   +3 more sources

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

Advanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du, Takahiro Kaneko, Xinyu Yan, Takahito Ohmura, Kyosuke Yoshimi   +4 more
wiley   +1 more source

Challenges and opportunities of Reverse Logistics in the context of the National Solid Waste Policy

GEPROS: Gestão da Produção, Operações e Sistemas, 2015
Law 12.305/2010, passed in 2010, made companies responsible for the solid waste issued from their production and clients’ post-consumption. In this situation, and considering the low rate of Reverse Logistics (RL) activities within the metropolitan ...
Ana Elaje Azevedo Simões da Mota, Rodrigo Fernando Pinheiro, Thainá Miranda dos Santos, André Cristiano Silva Melo, Denilson Ricardo de Lucena Nunes   +4 more
doaj   +1 more source

Slip Localization Intensification Mediated by Grain Boundary Sliding in a Polycrystalline Nickel‐Based Superalloy

Advanced Engineering Materials, EarlyView.
The temperature dependence of fatigue behavior in nickel‐based superalloys is investigated through high‐resolution measurements of plastic localization. While increasing temperature reduces localization and enhances fatigue performance in René 88DT, Inconel 718 exhibits a sharp degradation at intermediate temperature due to intensified slip ...
M. Calvat, D. Anjaria, I. Woo, C. Bean, D. Texier, J. C. Stinville   +5 more
wiley   +1 more source

Creep‐Induced Microstructural Evolution in an A2‐B2 Superalloy

Advanced Engineering Materials, EarlyView.
A 27.3Ta‐27.3Mo‐27.3Ti‐8Cr‐10Al (at.%) refractory high‐entropy alloy with precipitation‐strengthened A2‐B2 microstructure was studied by creep tests at 1030°C, which demonstrate a transition in deformation mechanisms in the range of 100–150 MPa applied stress. This is associated with changes in dislocation–precipitate interactions. Relevant deformation
Liu Yang, Aparajita Pramanik, Sandipan Sen, Shubhashis Dixit, Marcel Muench, R. J. Vikram, Daniel Schliephake, Yolita M. Eggeler, Ankur Chauhan, Martin Heilmaier, Alexander Kauffmann   +10 more
wiley   +1 more source

Creep Properties and Deformation Mechanism of Additively Manufactured NiAl‐CrMo Composites

Advanced Engineering Materials, EarlyView.
Additively manufactured NiAl‐CrMo composites contain numerous interfaces and cell boundaries that control their creep response. At 700°C under high applied stress, creep is dominated by dislocation‐controlled power‐law mechanisms. At 800°C–900°C and lower stresses, creep is primarily diffusion‐controlled along cell boundaries.
Jan Vollhüter, Andreas Bezold, Johan Westraadt, Katharina Fiegl, Subham Chattoraj, Benjamin Wahlmann, Carolin Körner, Michael Mills, Mathias Göken, Steffen Neumeier   +9 more
wiley   +1 more source

Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals

Advanced Engineering Materials, EarlyView.
This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao, Sriram Subramanian, Gianluca Memoli   +2 more
wiley   +1 more source

Some New Algebraic and Topological Properties of the Minkowski Inverse in the Minkowski Space

The Scientific World Journal, 2013
We introduce some new algebraic and topological properties of the Minkowski inverse A⊕ of an arbitrary matrix A∈Mm,n (including singular and rectangular) in a Minkowski space μ.
Hanifa Zekraoui, Zeyad Al-Zhour, Cenap Özel   +2 more
doaj   +1 more source