Results 81 to 90 of about 6,613,070 (345)

Space solar power systems [PDF]

open access: yes
Studies were done on the feasibility of placing a solar power station called POwersat, in space. A general description of the engineering features are given as well as a brief discussion of the economic ...
Toliver, C.
core   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

ESTSS—energy system time series suite: a declustered, application-independent, semi-artificial load profile benchmark set

open access: yesEnergy Informatics
This paper introduces an univariate application-independent set of load profiles or time series derived from real-world energy system data. The generation involved a two-step process: manifolding the initial dataset through signal processors to increase ...
Sebastian Günther   +3 more
doaj   +1 more source

Artificial Neural Network (ANN) Based Fast and Accurate Inductor Modeling and Design

open access: yesIEEE Open Journal of Power Electronics, 2020
This paper analyzes the potential of Artificial Neural Networks (ANNs) for the modeling and optimization of magnetic components and, specifically, inductors.
Thomas Guillod   +2 more
doaj   +1 more source

ADVANCED POWER SYSTEMS ASH BEHAVIOR IN POWER SYSTEMS [PDF]

open access: yes, 1998
The overall goal of this initiative is to develop fundamental knowledge of ash behavior in power systems for the purpose of increasing power production efficiency, reducing operation and maintenance costs, and reducing greenhouse gas emissions into the atmosphere.
ZYGARLICKE, CHRISTOPHER J.   +3 more
openaire   +2 more sources

Satellite power systems program [PDF]

open access: yes
The Department of Energy and NASA are engaged in an intense three-year analysis to determine what course of action the Federal government should pursue relative to this nonconventional energy system. Information is presented in the form of charts for the
Larock, R. I.
core   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Aggressive prostate cancer is associated with pericyte dysfunction

open access: yesMolecular Oncology, EarlyView.
Tumor‐produced TGF‐β drives pericyte dysfunction in prostate cancer. This dysfunction is characterized by downregulation of some canonical pericyte markers (i.e., DES, CSPG4, and ACTA2) while maintaining the expression of others (i.e., PDGFRB, NOTCH3, and RGS5).
Anabel Martinez‐Romero   +11 more
wiley   +1 more source

Distributed power system stabiliser for multimachine power systems

open access: yesIET Generation, Transmission & Distribution, 2019
Power system stabiliser (PSS) widely used to enhance the stability of power systems is based on the feedback of rotor speed error with respect to the rated value. However in many occasions, after the disturbances, it is desirable to re‐synchronise all generators first rather than to make all generators back to the rated 50/60 Hz immediately. This study
Ganggang Tu, Yanjun Li, Ji Xiang, Jin Ma
openaire   +1 more source

Alternative power-generation systems [PDF]

open access: yes
The present state of the art of thermal power systems is surveyed. Because of the great potential variety of thermal power systems, the heat sources, the power conversion systems, and the integration of thermal power systems with missions are treated ...
English, R. E.
core   +1 more source

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