Results 51 to 60 of about 1,078,562 (296)

Coordinated Optimization of Intelligent Soft Open Points and Multiple Types of Shared Energy Storage in Distribution Networks Considering Flexibility Deficiency Risk

发电技术
ObjectivesTo address the operational security issues in the new-type distribution network caused by the high-penetration integration of renewable energy, this paper proposes a coordinated optimization method for intelligent soft open points and multiple ...
WANG Jie, XU Lijun, LI Xiaozhu, FAN Xiaochao, GULIZHATI∙Hailati, WANG Weiqing   +5 more
doaj   +1 more source

Relativistic dynamical polarizability of hydrogen-like atoms

, 1998
Using the operator representation of the Dirac Coulomb Green function the analytical method in perturbation theory is employed in obtaining solutions of the Dirac equation for a hydrogen-like atom in a time-dependent electric field.
Drake G W F, Kleinert H, Komarov L I, Komarov L I, Kustaanheimo P, L I Komarov, Le Anh Thu, Le Anh Thu, Le Van Hoang, Le Van Hoang, Makhanek A G, Prudnikov A P, Snyderman N J, T S Romanova, Vetchinkin S I, Zapryagaev S A, Zon B A   +16 more
core   +2 more sources

Atomistic Insight into the Role of Threonine 127 in the Functional Mechanism of Channelrhodopsin-2 [PDF]

, 2019
Channelrhodopsins (ChRs) belong to the unique class of light-gated ion channels. The structure of channelrhodopsin-2 from Chlamydomonas reinhardtii (CrChR2) has been resolved, but the mechanistic link between light-induced isomerization of the ...
Bamann, Christian, Ehrenberg, David, Heberle, Joachim, Heinrich, Dorothea, Hoffmann, Kirsten, Kar, Rajiv K., Krause, Nils, Saita, Mattia, Schapiro, Igor, Schlesinger, Ramona   +9 more
core   +1 more source

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

FEBS 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, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

A Conceptual Approach to Reduce the Product Gas Crossover in Alkaline Electrolyzers

Membranes
The crossover of the product gases hydrogen and oxygen in alkaline electrolyzer operation is a critical factor, severely limiting the operational window in terms of current density and pressure.
Diogo Loureiro Martinho, Torsten Berning
doaj   +1 more source

Relativistic and retardation effects in the two--photon ionization of hydrogen--like ions

, 2003
The non-resonant two-photon ionization of hydrogen-like ions is studied in second-order perturbation theory, based on the Dirac equation. To carry out the summation over the complete Coulomb spectrum, a Green function approach has been applied to the ...
Andrey Surzhykov, Antoine P, Jaouen M, Karule E, Koval P, Laplanche G, Manakov N L, Maquet A, Peter Koval, Rose M E, Santos J P, Stephan Fritzsche, Swainson R A, Szymanowski C   +13 more
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Effects of a perpendicular ultrasonic field on planar and porous electrodes for hydrogen production in alkaline conditions

Ultrasonics Sonochemistry
Among water electrolysis systems, alkaline water electrolysers (AWE) are promising for large-scale hydrogen production due to their cost-effective nickel (Ni) electrodes.
Jérémy Gravelle, Vanessa Avramovic, Loïc Hallez, Jean-Yves Hihn, Bruno G. Pollet   +4 more
doaj   +1 more source

The enhancement of residual electric field in water electrolysis by green laser irradiation [PDF]

, 2015
Hydrogen energy produced by water electrolysis is considered free from green house effect. However such production still lacks in efficiency. Therefore we proposed an efficient system to increase the hydrogen production by introducing a green laser in ...
Ab. Razak, Siti Noraiza
core