Results 51 to 60 of about 594,798 (294)

Application of a double layer sand filter with a pur foam layer in the treatment of domestic sewage with an increased content of ammonium nitrogen

open access: yesActa Scientiarum Polonorum. Formatio Circumiectus, 2020
Aim of the study: The aim of the work was to determine the possibility of using polyurethane sponges as the upper layer of a sand filter for the treatment of domestic wastewater characterized by elevated concentration of ammonium nitrogen.
Ewa Dacewicz, Ľuboš Jurik
doaj   +1 more source

Cooperation in Social Dilemmas: A Group Game Model with Double-Layer Networks

open access: yesFuture Internet, 2021
The combination of complex networks and game theory is one of the most suitable ways to describe the evolutionary laws of various complex systems. In order to explore the evolution of group cooperation in multiple social dilemmas, a model of a group game
Dongwei Guo, Mengmeng Fu, Hai Li
doaj   +1 more source

Bimerons in Double Layer Quantum Hall Systems

open access: yes, 1998
In this paper we discuss bimeron pseudo spin textures for double layer quantum hall systems with filling factor $\nu =1$. Bimerons are excitations corresponding to bound pairs of merons and anti-merons.
Kosterlitz J. M.   +3 more
core   +1 more source

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

Advanced double layer capacitors [PDF]

open access: yes
There is a need for large amounts of power to be delivered rapidly in a number of airborne and space systems. Conventional, portable power sources, such as batteries, are not suited to delivering high peak power pulses. The charge stored at the electrode-
Forchione, J.   +3 more
core   +4 more sources

Double Layer Distributed Process Monitoring Based on Hierarchical Multi-Block Decomposition

open access: yesIEEE Access, 2019
For the purpose of monitoring large-scale distributed processes, a double layer fault detection method based on hierarchical multi-block decomposition is proposed.
Yuchen He, Jiusun Zeng
doaj   +1 more source

Double-layer structure in polar mesospheric clouds observed from SOFIE/AIM [PDF]

open access: yesAnnales Geophysicae, 2017
Double-layer structures in polar mesospheric clouds (PMCs) are observed by using Solar Occultation for Ice Experiment (SOFIE) data between 2007 and 2014.
H. Gao   +7 more
doaj   +1 more source

Structural biology of ferritin nanocages

open access: yesFEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Eddy turbulence, the double mesopause, and the double layer of atomic oxygen [PDF]

open access: yesAnnales Geophysicae, 2012
In this study, we consider the impact of eddy turbulence on temperature and atomic oxygen distribution when the peak of the temperature occurs in the upper mesosphere.
M. N. Vlasov, M. C. Kelley
doaj   +1 more source

High-Frequency-Induced Cathodic Breakdown during Plasma Electrolytic Oxidation [PDF]

open access: yes, 2017
The present communication shows the possibility of observing microdischarges under cathodic polarization during plasma electrolytic oxidation at high frequency. Cathodic microdischarges can ignite beyond a threshold frequency found close to 2 kHz.
Belmonte, T.   +4 more
core   +3 more sources

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