Results 191 to 200 of about 10,069,733 (332)

Abstract Characteristic Sets for Polynomial Grammatical Inference

open access: yes, 2008
When concerned about efficient grammatical inference two issues are relevant: the first one is to determine the quality of the result, and the second is to try to use polynomial time and space.
La Higuera, Colin De
core  

A High‐Entropy Strategy for Chemoresistive Ethanol Sensors With Remarkably Rapid and Selective Response

open access: yesAdvanced Science, EarlyView.
The configurational‐entropy strategy enables rapid and sensitive ethanol detection using a multicomponent oxide. The high‐entropy (InSnFeZnW)Ox provides enriched oxygen vacancies and diverse adsorption sites that strengthen surface reactivity. The sensor achieves a 5135% ethanol response with fast kinetics and stable long‐term operation.
Gi Baek Nam   +19 more
wiley   +1 more source

Why The Characteristic Polynomial Factors

open access: yes, 1995
We survey three methods for proving that the characteristic polynomial of a finite ranked lattice factors over the nonnegative integers and indicate how they have evolved recently.
Bruce E. Sagan
core  

Adsorption of Forever Chemical Pollutants: The Physical Chemistry of PFAS Near Surfaces

open access: yesAdvanced Science, EarlyView.
Current adsorption‐based remediation techniques for removing per‐ and polyfluoroalkyl substances (PFAS) from water are limited by knowledge gaps on PFAS behavior near solid surfaces. This review provides a state of the art on theoretical and experimental aspects of PFAS adsorption.
Nada Ben Amor   +3 more
wiley   +1 more source

Characteristic Set Method for Differential-Difference Polynomial Systems

open access: yes, 2008
. In this paper, we present a characteristic set method for mixed difference and differential polynomial systems. We introduce the concepts of coherent, regular, proper irreducible, and strong irreducible ascending chains and study their properties.
Chunming Yuan   +3 more
core  

Unusual Thermally Induced Blueshift and Emission Amplification of Mn2+ Ions Enable Filter‐Free Luminescent Thermal Imaging

open access: yesAdvanced Science, EarlyView.
ABSTRACT The shift from point‐based thermal sensing to filter‐free thermal imaging requires luminescent thermometers that exhibit pronounced and thermally driven spectral changes within spectral regions matching the sensitivity profiles of the red, green and blue (RGB) channels of a digital camera.
Y. Abe   +3 more
wiley   +1 more source

Hydrogeochemical processes and water quality of the Aïn Taga Karst Spring, Tlemcen, Northwestern Algeria. [PDF]

open access: yesEnviron Geochem Health
Guettaia S   +7 more
europepmc   +1 more source

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