Results 1 to 10 of about 7,361,835 (351)

Fe-S Protein Synthesis in Green Algae Mitochondria [PDF]

open access: goldPlants, 2021
Iron and sulfur are two essential elements for all organisms. These elements form the Fe-S clusters that are present as cofactors in numerous proteins and protein complexes related to key processes in cells, such as respiration and photosynthesis, and participate in numerous enzymatic reactions. In photosynthetic organisms, the ISC and SUF Fe-S cluster
Diego F. Gomez‐Casati   +5 more
openalex   +5 more sources

Breath Analysis for Early Detection of Rising Ketone Bodies in Postpartum Dairy Cows Classified as at Risk of Ketosis

open access: yesRuminants, 2023
Ketosis is a metabolic disorder associated with high production and low energy intake in dairy cows. Fat reserves are mobilized, and gluconeogenesis occurs.
Elaine van Erp-van der Kooij   +6 more
doaj   +1 more source

Using Sound Location to Monitor Farrowing in Sows

open access: yesAnimals, 2023
Precision Livestock Farming systems can help pig farmers prevent health and welfare issues around farrowing. Five sows were monitored in two field studies.
Elaine van Erp-van der Kooij   +6 more
doaj   +1 more source

Reflecting on Professional Development Opportunities: Links Between Conceptions of Mathematics Graduate Teaching Assistants and Their Self-Efficacy

open access: yesJournal of the Scholarship of Teaching and Learning, 2023
This study examines the perceptions of first-year, mathematics graduate teaching assistants (GTAs) participating in a six-week summer course designed to deepen their knowledge of collegiate mathematics teaching practices before being assigned to ...
Narmin Ghalichi   +2 more
doaj   +1 more source

Flexibility as the Key to Stability: Optimization of Temperature and Gas Feed during Downtime towards Effective Integration of Biomethanation in an Intermittent Energy System

open access: yesEnergies, 2022
Biological methanation is the production of CH4 from CO2 and H2. While this approach to carbon capture utilization have been widely researched in the recent years, there is a gap in the technology.
Brian Dahl Jønson   +4 more
doaj   +1 more source

FE MODELLING FOR CAPACITIES OF HEADED STUD SHEAR CONNECTORS IN COMPOSITE STEEL BEAMS WITH SLABS CONCRETE

open access: yesInternational Journal for Computational Civil and Structural Engineering, 2023
This study discusses the overall performance of the behavior the shear stud in the composite steel beam. The work has been modeled by using ANSYS APDL program. Under of the influence of lateral horizontal pressure.
Muthanna Abbu   +3 more
doaj   +1 more source

Harmful entomofauna of hemp Cannabis sativa L. (analytical overview)

open access: yesКарантин і захист рослин, 2020
Goal. To study the genesis of the harmful hemp entomofauna, to analyze the areas of expansion, features of development and harmfulness of a complex of insect phytophages. Methods. Information-analytical.
V. Pivtoraiko, V. Kabanets, V. Vlasenko
doaj   +1 more source

Of Revenue Without Rulers: Public Goods in the Egalitarian Cities of the Indus Civilization

open access: yesFrontiers in Political Science, 2022
The archaeology of collective action addresses a widespread myth about the past–that premodern societies were despotic, and only produced public goods when everyday people convinced a separate and distinct ruling class to provide them.
Adam S. Green
doaj   +1 more source

A New One-Pot Synthesis of Quinoline-2-carboxylates under Heterogeneous Conditions

open access: yesMolecules, 2016
Quinoline-2-carboxylates are an important subclass of quinoline derivatives largely present in a variety of biologically active molecules, as well as useful ligands in metal-catalyzed reactions.
Serena Gabrielli   +4 more
doaj   +1 more source

The generalized chiral Schwinger model on the two-sphere [PDF]

open access: yes, 1994
A family of theories which interpolate between vector and chiral Schwinger models is studied on the two--sphere $S^{2}$. The conflict between the loss of gauge invariance and global geometrical properties is solved by introducing a fixed background ...
A. Bassetto   +45 more
core   +2 more sources

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