Results 291 to 300 of about 2,706,203 (393)

The Curious Concept That Almost Nobody Seemed to Care About at First: Virtual Particles in the Post‐War Period**

open access: yesBerichte zur Wissenschaftsgeschichte, EarlyView.
Abstract Short‐lived, unobservable, and not subject to the usual rules of conservation of energy and momentum, virtual particles—an integral part of the conceptual framework of quantum field theory (QFT)—exhibit a number of curious characteristics which, in recent decades, have in part fueled important discussions about their ontological status ...
Jean‐Philippe Martinez
wiley   +1 more source

Neural electrodes for brain‐computer interface system: From rigid to soft

open access: yesBMEMat, EarlyView.
Here, we review the development trends of neural electrodes in BCI. This paper highlights the critical role of electrodes in BCI systems, analyzes the limitations of rigid electrodes, and introduces various flexible electrodes. Furthermore, we discuss application scenarios and prospects of BCI electrode technology, aiming to provide valuable references
Dan Yang   +7 more
wiley   +1 more source

Antibacterial hydrogel: The sniper of chronic wounds

open access: yesBMEMat, EarlyView.
The treatment of chronic wounds has always been an important challenge in the medical field. We focus on hydrogels not only because they provide a moist healing environment but also because compared with traditional dressings, they can effectively prevent and treat infections, reduce wound pain and scar formation.
Shengtai Bian   +6 more
wiley   +1 more source

Sound Absorption Characteristics of Powder Beds Comprised of Binary Powder Mixtures.

open access: bronze, 1995
Yuzo Okudaira   +4 more
openalex   +2 more sources

In situ biomimetic materials for dentin repair

open access: yesBMEMat, EarlyView.
This review primarily discusses the role and clinical application of key biomimetic materials for in situ dentin repair, providing a feasible foundation for future material and performance optimization in situ dentin regeneration. Abstract Dental defects, ranking among the most prevalent diseases globally, pose a serious threat to human health, with ...
Jingjing Deng   +3 more
wiley   +1 more source

Does National Innovation Layout Spur Eco‐Innovation? The Upper Echelon's Role

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Numerous studies have examined whether financial and governance characteristics within firms promote eco‐innovation. However, the influence of institutional contexts on eco‐innovation, which is crucial for shaping effective policy and establishing key conditions, has not been adequately explored.
Ali Meftah Gerged   +3 more
wiley   +1 more source

Heterogeneity of Green Investments, Firms' Sales, and Wages: Italian Evidence on Circular Economy, Resource‐Saving, and Energy Efficiency Investments

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This paper analyses the relationship between firms' investment in green technologies and competitive performance. We take advantage of new data on the adoption of different green technologies (circular economy, technical advancements, energy savings, and efficiency gains) from a large representative sample of Italian firms.
F. Quatraro, A. Ricci
wiley   +1 more source

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