Results 191 to 200 of about 236,756 (293)

Can place‐based crime prevention impacts be sustained over long durations? 11‐Year follow‐up of a quasi‐experimental evaluation of a CCTV project

open access: yesCriminology &Public Policy, Volume 24, Issue 3, Page 429-452, August 2025.
Abstract Research summary A long‐standing critique of place‐based crime prevention interventions has been that any reductions in crime are often short‐lived. If researchers do not carry out longer‐duration follow‐ups, we cannot know for sure if the effects of these interventions will persist, decay, or even strengthen.
Eric L. Piza   +3 more
wiley   +1 more source

The Node Distribution of the Random Waypoint Mobility Model for Wireless Ad Hoc Networks

open access: yesIEEE Transactions on Mobile Computing, 2003
C. Bettstetter, G. Resta, P. Santi
semanticscholar   +1 more source

From pulp to cementum: 3D visualization of soft and hard dental tissues using different ex vivo nano‐CT contrast‐enhancement techniques

open access: yesInternational Endodontic Journal, Volume 58, Issue 8, Page 1228-1242, August 2025.
Abstract Aim To determine the effect of two contrast‐enhancement strategies in nano‐computed tomography (nano‐CT) imaging on the contrast‐to‐noise ratio (CNR) of various dental tissues, including pulp, dentine and cementum, with the goal of enhancing the visibility of dental soft tissues to a level not yet reported in laboratory nano‐CT imaging ...
Torben Hildebrand   +4 more
wiley   +1 more source

How Beyond-5G and 6G Makes IIoT and the Smart Grid Green-A Survey. [PDF]

open access: yesSensors (Basel)
Varga P   +5 more
europepmc   +1 more source

High School Students' Perspectives on Their Online Learning Experiences: A Systematic Literature Review

open access: yesJournal of Computer Assisted Learning, Volume 41, Issue 4, August 2025.
ABSTRACT Background Online learning has become a popular form of education. Prior to the Covid‐19 pandemic, online learning was mainly associated with higher education, with an incremental growth at the K‐12 level. The pandemic changed this situation rapidly.
Jia Li, Novera Roihan, Matthew McGravey
wiley   +1 more source

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