Results 21 to 30 of about 30,059 (207)

Corrosion Inhibition in CO2-Saturated Brine by Nd3+ Ions

open access: yesMolecules, 2023
This study reports the use of an inorganic corrosion inhibitor to mitigate dissolved CO2-induced corrosion. Using electrochemical techniques (polarization curves, open circuit potential, polarization resistance, and electrochemical impedance), the effect
Jorge Canto   +4 more
doaj   +1 more source

Philosophers and Theologians on Happiness. An analysis of early Latin commentaries on the Nicomachean Ethics [PDF]

open access: yes, 2004
Avant 1250, même avec un champ d’études statutairement restreint, les maîtres ès arts de Paris abordaient un certain nombre de disciplines philosophiques.
Buffon, Valeria
core   +1 more source

The affinities of Afrophoca libyca from basal Middle Miocene of Gebel Zelten, Libya [PDF]

open access: yesActa Palaeontologica Polonica
Re-interpretation of the holotype and only known speci-men of Afrophoca libyca reveals that it represents a me-dium -sized anthracothere, Afromeryx zelteni, a species that is common in the basal Middle Miocene deposits at Gebel Zelten, Libya.
Martin Pickford, Christian De Muizon
doaj   +1 more source

Félix de Azara, crítico de Buffon

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Humanas
En sus "Apuntamientos para la Historia Natural de los Cuadrúpedos del Paraguay y Río de la Plata", de 1802, Félix de Azara (1742-1821) no sólo corrigió la identificación y descripción de muchas especies sudamericanas hechas por Buffon; él también ...
Gustavo Caponi
doaj   +1 more source

Assessing and forecasting the effects of submersion on biodiversity. A method to implement an ecological-quality indicator in a context of coastal realignment and rising sea levels

open access: yesEcological Indicators, 2022
In the context of climate change and sea-level rise, coastal realignment consists in reopening polders to marine waters to favor ‘nature-based’ mitigation measures. Such operations have consequences on biodiversity, which vary depending on the parameters
Marianne Debue   +4 more
doaj   +1 more source

Clinical Impact of Angiographic Complications Occurring During Percutaneous Coronary Interventions

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background The clinical impact of different types of angiographic complications during elective PCIs remains largely unexplored. Aims To explore the incidence, management, and outcomes of angiographic complications by type and severity during non‐urgent, non‐CTO PCIs. Methods Clinical and procedural characteristics were prospectively collected
Emiliano Bianchini   +16 more
wiley   +1 more source

Natural history and temporalization: reflections on Buffon's Natural history [PDF]

open access: yes, 2013
This article presents a rereading of Buffon´s Natural History in the light of the concepts of temporal reversibility and irreversibility. The goal is to determine to what extent Buffon introduces a transformationist concept of natural forms in this work.
Galfione, María Verónica
core  

Buffon's problem with a pivot needle

open access: yes, 2014
In this paper, we solve Buffon's needle problem for a needle consisting of two line segments connected in a pivot point.Comment: 4 pages, 1 ...
Bäsel, Uwe
core   +1 more source

Carya nux‐taurinensis comb. nov., a fossil‐species incorporating Carya globosa (Juglandaceae)

open access: yesTAXON, EarlyView.
Abstract The type material of the almost forgotten fossil‐species Juglans nux‐taurinensis is newly analysed, a lectotype is designated, and new conspecific material detected at the Italian type locality La Morra is described. We show that Juglans nux‐taurinensis must be reassigned to Carya because the locule cast of the nutshell shows two inner ...
Edoardo Martinetto   +3 more
wiley   +1 more source

Phenological description for the initial development stage of five Brazilian native forest species according to BBCH scale

open access: yesAnnals of Applied Biology, EarlyView.
Morphology of the two main growth stages—germination and initial development of the forest species Ceiba speciosa (co, cotyledon; eo, eophyll; hp, hypocotyl; me, metaphyll; pk, prickles; pr, primary root; se, seed; sr, secondary root). Abstract A specific phenological scale designated for each forest species facilitates the standardization of different
Mábele de Cássia Ferreira   +2 more
wiley   +1 more source

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