Results 121 to 130 of about 940,882 (376)

How hard are hard triggers?

, 2013
We study Abusch's (2002; 2010) distinction between hard and soft triggers from an experimental point of view. We show that there are apparent counterexamples to the distinction, discuss their status and describe future experiments aiming at clarifying the processing issues that form the core of the problem.
Jayez, Jacques, Mongelli, Valeria
openaire   +1 more source

Hard cases [PDF]

Current Biology, 2000
AbstractExcerpt from the transcript of the trial of T. Cobley et al. vs the Editors and Publishers of Nascence, before Lord Justice Abel.
openaire   +2 more sources

Average-case Hardness of RIP Certification [PDF]

, 2016
The restricted isometry property (RIP) for design matrices gives guarantees for optimal recovery in sparse linear models. It is of high interest in compressed sensing and statistical learning.
Berthet, Quentin, Plan, Yaniv, Wang, Tengyao   +2 more
core   +1 more source

Graphene–Catechol Dental Sealant: Antibacterial and Mechanical Evaluation

Advanced Engineering Materials, EarlyView.
This study presents dental sealants made with graphene and L‐DOPA‐modified graphene. L‐DOPA enhances graphene dispersion, improving sealant properties. The material shows antibacterial activity against S. mutans and L. casei, along with high strength and elasticity.
Renata Pereira, Flávio H. B. Aguiar, Rodrigo B. E. Lins, Maria C. A. J. Mainairdi, Bruna G. Silva, Marcela A. Ferretti, Klaus Rischka   +6 more
wiley   +1 more source

Quality Enhancement of Laser Powder‐Bed Fusion Parts by Acoustically Assisted Additive Manufacturing by Laser Powder‐Bed Fusion and its Application to Lattice Structures

Advanced Engineering Materials, EarlyView.
Additive manufacturing technologies like laser powder‐bed fusion offer great design freedom and individualization of products down to a batch size of one. However, parts fabricated with this technology suffer from poor quality. Acoustic assistance during the build process can minimize these drawbacks.
Oliver Maurer, Dirk Bähre
wiley   +1 more source

Hard times with hard water [PDF]

Nephrology Dialysis Transplantation, 2004
Friedrich C. Luft, Bernhard Pilz, Ralph Kettritz   +2 more
openaire   +3 more sources

Friction and hardness of gold films deposited by ion plating and evaporation [PDF]

Sliding friction experiments were conducted with ion-plated and vapor-deposited gold films on various substrates in contact with a 0.025-mm-radius spherical silicon carbide rider in mineral oil.
Buckley, D. H., Miyoshi, K., Spalvins, T.   +2 more
core   +1 more source

First‐Principles Modeling of Solid Solution Softening and Hardening Effects in Al–Mg–Zr–Si Aluminum Alloys

Advanced Engineering Materials, EarlyView.
The role of various alloying elements in face‐centered cubic aluminum on the barrier of a Shockley partial dislocation during its motion is presented. The study aims to understand how alloying atoms such as Mg, Si, and Zr affect the energy landscape for dislocation motion, thus influencing the solid solution hardening and softening in aluminum, which ...
Inna Plyushchay, Zhengqing Wei, Nebahat Bulut, Sibylle Gemming   +3 more
wiley   +1 more source

A Simulative Approach for the Prediction of Mesoscale Residual Stress Fields in Solution‐Strengthened Ferritic Ductile Iron

Advanced Engineering Materials, EarlyView.
This study presents a 3D representative volume element‐based simulation approach to predict mesoscopic residual stress and strain fields in silicon solid solution‐strengthened ductile cast iron. By modeling phase transformation kinetics with an enhanced Johnson–Mehl–Avrami–Kolmogorov model, the effects of varying cooling rates on residual stresses are ...
Lutz Horbach, Oliver Schenk, Valérian Iss, Ali Rajaei, Jiali Zhang, Felix Weber, Christoph Broeckmann   +6 more
wiley   +1 more source

A Relation between Hardness and Stoichiometry in Lead Sulphide Single Crystals [PDF]

, 1955
J. Bloem, F. A. Kröger
openalex   +1 more source