Results 181 to 190 of about 9,442,008 (320)

Does OPEC still exist as a cartel? An empirical investigation [PDF]

open access: yes
The aim of this paper is to determine if OPEC acts as a cartel by testing whether the production decisions of the different countries are coordinated and if they have an influence on oil prices.
Emmanuel Hache   +2 more
core  

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

European Policies towards Palm Oil - Sorting Out some Facts [PDF]

open access: yes
This paper analyses the role of palm oil and its sustainability from different perspectives. We consider the role of palm oil within the GHG context. We discuss the impact of palm oil on biodiversity and analyse how palm oil can contribute to economic ...
Christoph Vietze, Gernot Pehnelt
core  

Bioinspired Stabilization of Fluorescent Au@SiO2 Tracers for Multimodal Biological Imaging

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates a bioinspired stabilization strategy for fluorescent gold‐silica nanoparticles. Inspired by natural biosilica maturation, high‐temperature calcination transforms the silica shells, preventing dissolution in cell culture media and intracellular environments.
Wang Sik Lee   +5 more
wiley   +1 more source

Water Residues from Rosemary Essential Oil Production: Transforming Waste into a Potential Bioherbicide. [PDF]

open access: yesPlants (Basel)
Leoni F   +7 more
europepmc   +1 more source

Bioinspired Polypeptide Dendrimer‐Modified Thin‐Film Composite Membranes for Selective Lithium‐Magnesium Separation with DFT Insights

open access: yesAdvanced Functional Materials, EarlyView.
We fabricated a biomimetic dendrimer‐modified thin‐film nanocomposite membrane with a coordination‐assisted ion‐selective interface. pH‐responsive polypeptide sites preferentially bind Mg2+ and promote Li+ permeation, as predicted by density functional theory calculations of metal‐ligand interactions.
Mehrasa Yassari   +7 more
wiley   +1 more source

Polyethylene and Polypropylene Pyrolysis Using Fe<sup>3+</sup>-Modified Kaolin Catalyst for Enhanced Gas and Pyrolysis Oil Production. [PDF]

open access: yesPolymers (Basel)
Nechipurenko S   +8 more
europepmc   +1 more source

On the Economic Determinants of Oil Production. Theoretical Analysis and Empirical Evidence for Small Exporting Countries [PDF]

open access: yes
In this paper, decisions regarding production in oil exporting countries are studied by means of theoretical analysis and empirical investigation.
Alessandro Cologni, Matteo Manera
core  

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