Results 41 to 50 of about 72,588 (222)

Extended‐Range Thermometry via Dual Er Fluorescence of Oxyfluoride Glass‐Ceramic Optical Fibers

open access: yesAdvanced Optical Materials, Volume 14, Issue 3, 19 January 2026.
A dual‐channel Yb3+‐Er3+‐based optical fiber thermometer combines visible upconversion and infrared photoluminescence for wide‐range temperature sensing. Yb3+/Er3+‐doped LaF3 or NaLuF4 nanocrystals embedded in transparent glass‐ceramic optical fibers enable reliable operation from room temperature up to 800 K, offering enhanced sensitivity and spectral
Giulio Gorni   +5 more
wiley   +1 more source

Hans Kelsen’s God and The State: The Theory of Positive Law as methodological Anarchism [PDF]

open access: yes, 2014
Este artículo pone la obra de Hans Kelsen, God and the State, en el horizonte de God and the State de Bakunin. Esto facilita a la metodología de Kelsen el hecho de manifestarse como una delimitación del hegelianismo de izquierda de Feuerbach y su ...
Langford, Peter
core   +3 more sources

H. Hart’s Criticism of H. Kelsen’s Doctrine of Unity, Consistency and Autonomy of Law

open access: yesRUDN Journal of Law
The author examines the debate surrounding the understanding and possibility of normative conflicts within legal systems, focusing on theories of 20th-century key positivists, Kelsen and Hart.
Sergei N. Kasatkin
doaj   +1 more source

A Path Not Taken: Hans Kelsen\u27s Pure Theory of Law in the Land of Legal Realists [PDF]

open access: yes, 2010
This Essay is a contribution to a volume on the influence of Hans Kelsen’s legal theory in over a dozen countries. The Essay offers four explanations for the failure of Kelsen’s pure theory of law to take hold in the United States.
Telman, D. A. Jeremy
core   +2 more sources

Religions without God? Hans Kelsen, Anthropologist of Modernity [PDF]

open access: yes, 2015
En 2012 se publicó Secular Religion, una obra inédita del autor austríaco Hans Kelsen, filósofo del derecho, escrita entre 1952 y 1964 en los Estados Unidos.
Di Lucia, Paolo   +1 more
core   +2 more sources

Two-step doping approach releasing the piezoelectric response of BiFeO3 bulk ceramics co-doped with titanium and samarium

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2020
The conventional solid state processing of bulk Ti,Sm co-doped BiFeO3 ceramics typically produces a complex micro-nanostructure which exhibits an effective decrease of the leakage conductivity.
Carlos Gumiel   +5 more
doaj   +1 more source

Conceptualizing Water System Justice in the Anthropocene

open access: yesWIREs Water, Volume 13, Issue 1, January/February 2026.
Operationalizing Water System Justice: Just ends and means. Surface water withdrawals should remain below 20% of natural monthly flow. ABSTRACT Given the growing demand for water justice, the systemic nature of the water problem, the fragmented water governance and disparate strands of water justice literature, there is an urgent need to conceptualize ...
Joyeeta Gupta   +3 more
wiley   +1 more source

Relativismo moral em Kelsen: do juspositivismo à democracia

open access: yesRevista Direito GV, 2020
Resumo Este artigo analisará as relações entre a teoria da democracia e a teoria do direito de Hans Kelsen. Na primeira parte, será demonstrado de que modo o relativismo moral consiste em um pressuposto filosófico de toda a obra de Kelsen.
Ana Luiza Rodrigues Braga
doaj   +1 more source

Review: Tailored microstructures in the system tricalcium phosphate-wollastonite-diopside for bone regeneration scaffolds

open access: yesOpen Ceramics, 2023
Tissue engineering constructs (TECs) combining resorbable scaffolds, cells and/or reactive agents are required for bone regeneration. New green ceramic processing methods allow fabricating layered and gradient porous structures.
Carmen Baudín, Pilar Pena
doaj   +1 more source

H.L.A. Hart’s "The concept of law" and the moderate indeterminacy thesis reconsidered [PDF]

open access: yes, 2012
In this article the author, in the context of the fiftieth anniversary of H.L.A. Hart’s “The Concept of Law”, reconsiders the moderate indeterminacy of law thesis, which derives from the open texture of language.
Flores, Imer B.
core  

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