Results 81 to 90 of about 3,817,974 (403)

Modeling circulation patterns induced by spatial cross-shore wind variability in a small-size coastal embayment [PDF]

open access: yes, 2016
This contribution shows the importance of the cross-shore spatial wind variability in the water circulation in a small-sized micro-tidal bay. The hydrodynamic wind response at Alfacs Bay (Ebro River delta, NW Mediterranean Sea) is investigated with a ...
Cerralbo Peñarroya, Pablo   +2 more
core   +2 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Low-level jets in the North and Baltic seas: mesoscale model sensitivity and climatology using WRF V4.2.1 [PDF]

open access: yesGeoscientific Model Development
Low-level jets (LLJs), characterized by wind speed maxima in the lower part of the atmospheric boundary layer, play a crucial role in shaping wind resource availability, particularly as modern wind turbines reach heights exceeding 200 m.
B. T. E. Olsen   +4 more
doaj   +1 more source

Footprints in the wind of Vela X-1 traced with MAXI [PDF]

open access: yes, 2013
The stellar wind around the compact object in luminous wind-accreting high mass X-ray binaries is expected to be strongly ionized with the X-rays coming from the compact object.
Doroshenko, V.   +7 more
core   +1 more source

A Critical Review of Wind Power Forecasting Methods—Past, Present and Future

open access: yesEnergies, 2020
The largest obstacle that suppresses the increase of wind power penetration within the power grid is uncertainties and fluctuations in wind speeds. Therefore, accurate wind power forecasting is a challenging task, which can significantly impact the ...
Shahram Hanifi   +3 more
semanticscholar   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Predictive control of wind turbines by considering wind speed forecasting techniques [PDF]

open access: yes, 2009
A wind turbine system is operated such that the points of wind rotor curve and electrical generator curve coincide. In order to obtain maximum power output of a wind turbine generator system, it is necessary to drive the wind turbine at an optimal rotor ...
Jovanovic, Milutin   +3 more
core  

Magnetically advected winds [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society: Letters, 2017
Abstract Observations of X-ray absorption lines in magnetically driven disc winds around black hole binaries and active galactic nuclei yield a universal radial density profile ρ ∝ r−1.2 in the wind. This is in disagreement with the standard Blandford and Payne profile ρBP ∝ r−1.5 expected when the magnetic field is neither advected nor ...
Contopoulos, Ioannis   +2 more
openaire   +3 more sources

Using bias-corrected reanalysis to simulate current and future wind power output

open access: yes, 2016
Reanalysis models are rapidly gaining popularity for simulating wind power output due to their convenience and global coverage. However, they should only be relied upon once thoroughly proven.
I. Staffell, S. Pfenninger
semanticscholar   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

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