Results 211 to 220 of about 355,832 (313)

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

Influence of Geometric Design on Mechanical Performance of Auxetic Metastructure

open access: yesAdvanced Engineering Materials, EarlyView.
Strategic geometric reinforcement transforms auxetic performance. This study evaluates 3D‐printed arrowhead metastructures, revealing that a modified design with local ring reinforcement suppresses premature failure to achieve superior energy absorption and structural efficiency.
Muhammad Gulzari   +3 more
wiley   +1 more source

Slow paced breathing and power posing: a pre-competitive ritual during an American football season. [PDF]

open access: yesFront Sports Act Living
Fernández-Barradas EY   +4 more
europepmc   +1 more source

Competitive intelligence: literature review

open access: yes, 2005
Revisão de literatura sobre inteligência competitiva, levantada no Library & Information Science Abstracts (LISA) do período de 1969 a 2004, priorizando as publicações nacionais da área da Ciência da Informação e como estrangeira a Business Information Review, complementando com algumas publicações, não indexadas no LISA, porém relevantes na área.
openaire   +1 more source

A Dislocation Perspective on Strength and Toughness in Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

Optimal Competition: A Benchmark for Competition Policy

open access: yes
This paper introduces optimal competition: the best form of competition in an industry that a competition authority can achieve under the information constraint that it cannot observe firms' effciency levels.We show that the optimal competition outcome ...
Boone, J.
core  

Secretion Systems Used by Bacteria to Counteract Fungal Competitors. [PDF]

open access: yesBiology (Basel)
Fu P   +5 more
europepmc   +1 more source

Grain Refinement During Severe Plastic Deformation and Similitude of Subgrain Formation: A Molecular Dynamics Study

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics is used to investigate structure refinement during severe plastic deformation. The results show similitude with experimental data. Molecular dynamics simulations of severe plastic deformation of monocrystalline and polycrystalline samples by multiaxial compression of aluminum are carried out.
Roberto B. Figueiredo
wiley   +1 more source

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