Natural ageing of polyaramide fiber from ballistic armor

Abstract Ballistic armor has been manufactured primarily based on polyaramide (Kevlar and Twaron) or Dyneema but the lifespan warranty in Brazil is only sofia barclay sexy 5 years and after this time period they are incinerated or comminuted and ground up.This study aims to evaluate the changes on the physical, mechanical and morphological properti

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Sex-specific alterations in pulmonary metabolic, xenobiotic and lipid signalling pathways after e-cigarette aerosol exposure during adolescence in mice

Background E-cigarette use is now prevalent among adolescents and young adults, raising concerns over potential adverse long-term health effects.Although it is hypothesised that e-cigarettes promote inflammation, studies have yielded conflicting evidence.Our previous work showed that copyright, a popular e-cigarette brand, elicited minimal lung inf

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On Deadlock Analysis and Characterization of Labeled Petri Nets with Undistinguishable and Unobservable Transitions

This work addresses the analysis and characterization of deadlocks in discrete-event systems modeled by labeled Petri nets (LPNs) with undistinguishable and unobservable transitions.To provide a solution for the notorious problem, it is essential to present an here effective characterization in such a way that deadlock control and synthesis are tec

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