Results 121 to 130 of about 220,150 (209)

Methane Emissions From Flame Curtain Pyrolysis (Kon‐Tiki)

open access: yesGCB Bioenergy, Volume 18, Issue 4, April 2026.
Flame curtain pyrolysis enables decentralized biochar production, but its net climate benefit depends on the magnitude of methane emissions caused during production. Methane emissions were below 5 g CH4 kg−1 biochar for dry feedstocks but increased for moist feedstocks. Pyrolysis emitted less methane than open burning of wheat straw. ABSTRACT Pyrogenic
Simon Lotz   +3 more
wiley   +1 more source

O tamanho do self, problemas não resolvidos na biosemiótica e o sentido da ciência: uma entrevista com Kalevi Kull

open access: yesIntexto
Entrevista com o biosemioticista Kalevi Kull, herdeiro do legado da Escola de Tartu-Moscou – berço do que se convencionou chamar Semiótica da Cultura. Entre os tópicos abordados, estão problemas atuais enfrentados pela biosemiótica como, por exemplo, a ...
Arthur Walber Viana
doaj   +1 more source

De l’Umwelt au récit. Une lecture biosémiotique des fictions et des attitudes face aux discours

open access: yesActes Sémiotiques
Cet article se propose de faire le lien entre l’Umwelt, le « monde » sensoriel propre du sujet, et ses jugements véridictoires et attitudes épistémiques.
Mattéo Raimbault
doaj   +1 more source

Mechanical Insights Into Polymeric Multilayers Films Using Nanoindentation and the Structural Compliance Method

open access: yesStrain, Volume 62, Issue 2, April 2026.
This study applies nanoindentation to resolve layer‐specific mechanical properties in photovoltaic backsheet multilayer polymers. Structural compliance correction reduces substrate flexure and edge artefacts, enabling reliable hardness and modulus mapping.
P. Christoefl   +6 more
wiley   +1 more source

Renaturierung kleiner Lössbäche – ein Beitrag der Ökologischen Landwirtschaft zum Naturschutz [PDF]

open access: yes, 2013
As a part of the interdisciplinary research project ”Integration of nature protection goals with organic farming: an the example from the Hessian ”state domain” [Staatsdomäne] area Frankenhausen”, different restoration measures have been carried out ...
Braukmann, Ulrich   +4 more
core  

The Impact of Non‐Orographic Gravity Waves on Transport and Mixing: Effects of Oblique Propagation and Coupling to Turbulence

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 6, 28 March 2026.
Abstract Gravity waves (GWs) are a fundamental driver of circulation, tracer transport, and mixing in the middle and upper atmosphere, but their treatment in global circulation models remains incomplete. In particular, standard parameterizations typically restrict propagation to the vertical and treat GW–turbulence interactions in only a rudimentary ...
T. Banerjee   +9 more
wiley   +1 more source

Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]

open access: yes, 2005
The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
core  

Organophosphide: Eine neue Klasse der Luminophorliganden für Kupfer(I)‐Carben‐basierte TADF‐Emitter und Photokatalysatoren

open access: yesAngewandte Chemie, Volume 138, Issue 13, 23 March 2026.
Der Einsatz von Dimesitylphosphid als höheres Homolog der etablierten Amidoliganden für Charge‐Transfer‐Kupfer(I)‐Komplexe führt zu einer Rotverschiebung der Emission um 3645 cm–1 in den rot‐orangen Spektralbereich im Festkörper sowie in den NIR‐Bereich in Lösung. Die thermisch‐aktivierte verzögerte Fluoreszenz weist hohe Dissymmetriefaktoren von glum =
Paul C. Ruer   +2 more
wiley   +1 more source

THE REALITY AND THE RELATIONS ESTABLISHED BY UMWELT ON "O PRIMO BASILIO" EÇA DE QUEIROS

open access: yesTravessias, 2010
The thing that separates realistic Naturalism movement above is the attempt to explain the real world through fiction and of scientific knowledge. The literature would be a product of objective observation of the natural and the real world, and in it the
Carlos Alberto Correia
doaj  

Mehr als nur ein biochemischer Puffer: Tris als Designer und Regulator einer Metall–Oxo‐Assemblierung

open access: yesAngewandte Chemie, Volume 138, Issue 13, 23 March 2026.
Tris(hydroxymethyl)aminomethan – schematisch als Oktopus dargestellt – wirkt gleichzeitig als Alkoxy‐Ligand, Chelator und strukturleitender Puffer und programmiert in Wasser die Speziation, die Nukleation und die Heterometall‐Insertion von Polyoxometallaten. ZUSAMMENFASSUNG Polyoxometallate (POMs; molekulare Metall–Oxo‐Cluster) werden typischerweise in
Nadiia I. Gumerova, Annette Rompel
wiley   +1 more source

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