Results 41 to 50 of about 38,753 (259)

Characteristics, properties and limitations of per‐ or polyfluoroalkyl substances (PFASs) and fluoropolymers

open access: yesPolymer International, EarlyView.
An overview and categorization of man‐made per‐ or polyfluoroalkyl substances (PFASs) including low‐molar‐mass and high‐molar‐mass fluorochemicals, and their international regulations is presented. Though certain PFASs are toxic, bioaccumulative and cross the human cellular membranes, others, such as fluoropolymers, are safe, reliable and involved in ...
Bruno Améduri
wiley   +1 more source

The Functional-Cognitive Characteristics of Interrogative Utterances in Modern Ukrainian

open access: yesCognitive Studies | Études cognitives, 2021
The Functional-Cognitive Characteristics of Interrogative Utterances in Modern Ukrainian The article presents a comprehensive multifaceted description of interrogative sentences in terms of the interaction of their semantic-syntactic (syntaxeme) and ...
Maryna Navalna   +2 more
doaj   +1 more source

Adaptive Sliding‐Mode Control of a Perturbed Diffusion Process With Pointwise In‐Domain Actuation

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT A sliding mode–based adaptive control law is proposed for a class of diffusion processes featuring a spatially‐varying uncertain diffusivity and equipped with several point‐wise actuators located at the two boundaries of the spatial domain as well as in its interior.
Paul Mayr   +3 more
wiley   +1 more source

Optimal Homogeneous ℒp$$ {\boldsymbol{\mathcal{L}}}_{\boldsymbol{p}} $$‐Gain Controller

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Nonlinear ℋ∞$$ {\mathscr{H}}_{\infty } $$‐controllers are designed for arbitrarily weighted, continuous homogeneous systems with a focus on systems affine in the control input. Based on the homogeneous ℒp$$ {\mathcal{L}}_p $$‐norm, the input–output behavior is quantified in terms of the homogeneous ℒp$$ {\mathcal{L}}_p $$‐gain as a ...
Daipeng Zhang   +3 more
wiley   +1 more source

Programmed unmanned aerial vehicles show great potential for monitoring marine megafauna in specific areas of interest

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Targeted conservation measures are contingent on robust knowledge of spatio‐temporal animal distribution in areas of interest. We explore unmanned aerial vehicle (UAV) transect monitoring as a novel method for standardized digital aerial surveys of marine megafauna by investigating the fine‐resolution spatio‐temporal distribution of harbour porpoises ...
Dinah Hartmann   +2 more
wiley   +1 more source

Considérations didactiques sur l’emploi et l’omission des déterminants dans cinq langues romanes : espagnol, galicien, catalan, français et roumain [PDF]

open access: yesJournal of Humanistic and Social Studies, 2016
Since it is well known the difficulties of learners of Romance languages studying nominal phrases without articles, in this paper we will present evidence of a comparative study regarding the use and the absence of definite and indefinite articles in ...
Silvia-Maria Chireac
doaj  

The Definite and Indefinite Articles of Spanish (or Castilian) Language in Context

open access: yesVerba Hispanica, 2018
The present paper addresses the contrast between the definite article (el/la/los/las) and the indefinite article (un/a/os/as) from a cognitive approach that not only poses a single meaning for each kind of article, but also highlights the pragmatic (or ...
Sonia Montero Gálvez
doaj   +1 more source

Designing “Korean” Kimchi: Speculative Configuration of Distance and Commodity Value in the Chinese Kimchi Industry

open access: yesEconomic Anthropology, EarlyView.
ABSTRACT In the Chinese kimchi industry, manufacturers employ product names, photographs, and logistical strategies to promote their kimchi's “Koreanness.” So, what makes their kimchi “Korean,” and how does its Koreanness formulate kimchi's commodity value?
Heangjin Park
wiley   +1 more source

A Dual-Process Activation Model: Processing definiteness and information status

open access: yesGlossa, 2018
The introduction of a new discourse referent with a descriptive noun phrase involves the introduction of a new concept and the assignment of a referent to that concept.
Andreas Brocher, Klaus von Heusinger
doaj   +2 more sources

Homicide, punishment and deterrence in Australia

open access: yesSouthern Economic Journal, EarlyView.
Abstract Australian data encompassing 1910–2022, by year and state, were analyzed to estimate the effect of capital punishment on homicide rates. Our estimates showed that capital punishment had a negative and significant effect on homicides. In some specifications, the estimates implied that an execution was associated with 12.68 fewer homicides ...
Hugh Farrell, Vincent O'Sullivan
wiley   +1 more source

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