Results 101 to 110 of about 575,429 (340)

Model of Spring Liquid-Gas Tension Compensator of Overhead Catenary Wires and Messenger Cables

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2015
There is discussed the design version of spring liquid-gas type tension compensator of overhead catenary wires and messenger cables. Also presented is computer model of oscillations under conditions of linear and non-linear resistance.
R. F. Nasretdinov
doaj  

An Integrated Current-Voltage Compensator Design Method for Stable Constant Voltage and Current Source Operation of LLC Resonant Converters

open access: yesEnergies, 2018
This paper proposes a method to charge a lithium ion battery with an integrated compensator. Unlike the conventional charging method which uses separate voltage/current compensators based on a constant voltage-constant current charge profile, the ...
Yeong-Jun Choi   +3 more
doaj   +1 more source

A new flow chip in combination with multiphoton microscopy as a protocol for longitudinal 3D imaging of tissue calcification under shear stress

open access: yesFEBS Open Bio, EarlyView.
Miniaturized flow chip platform enabling continuous perfusion and longitudinal multiphoton 3D imaging of vascular smooth muscle cell constructs under physiological flow. Brightfield imaging guides region selection, while CellTracker Green and mRuby‐labeled fetuin‐A visualize cells and mineral deposition, respectively. Magnesium supplementation markedly
Vytautas Kučikas   +6 more
wiley   +1 more source

Unbalance compensator for three-phase industrial installations

open access: yes, 2011
[EN] This paper describes constitution, design and operation of a passive unbalance compensator for variable loads in three-phase industrial installations. Compensator is integrated by three-phase connections of variable coils and capacitors.
León-Martínez, Vicente   +5 more
core   +1 more source

Synthesis of Automatic Control System for Low-Temperature Separator

open access: yesEnergy Engineering and Control Systems
The gas produced from the well under high pressure is fed to a complex preparation unit, where solid impurities and water are removed. Purified natural gas contains valuable components such as condensate, as well as heavy hydrocarbons, butane and propane.
Mykhailo Horbiychuk, Ihor Yednak
doaj   +1 more source

Dose‐dependent hepatotoxicity of hydrogen peroxide in HepG2 cells and its modulation by CYP450 induction

open access: yesFEBS Open Bio, EarlyView.
NMR metabolomics revealed concentration‐dependent metabolic perturbations in HepG2 cells exposed to H2O2. Rifampicin pretreatment enhanced metabolic competence, attenuated toxin‐induced alterations and produced metabolite profiles more consistent with human liver physiology, supporting the use of CYP450‐induced HepG2 models for improved in vitro ...
Maren Jinks   +4 more
wiley   +1 more source

Reactive compensator synthesis in time-domain [PDF]

open access: yes, 2012
. The source reactive-current compensation is crucial in the energy transmission efficiency. The compensator design in a frequency-domain has already been widely discussed and examined.
M. Siwczyński   +3 more
core  

Placement of Distribution STATic COMpensator (DSTATCOM) as voltage support equipment in Single Wire Earth Return (SWER) system

open access: yes, 2016
Single Wire Earth Return (SWER) system with long transmission line is introduced as one method for low cost remote electrification. Long transmission line and load growth can makes voltage regulation a concern.
Ahfock, Tony   +5 more
core   +1 more source

Embedding FDI in launcher attitude controllers [PDF]

open access: yes, 2009
It looks interesting the idea of obtaining more than a controller after designing a control system. In fact, given some conditions, it is possible to rearrange the controller states, revealing an observer structure, without changing the original system ...
Daniel Alazard   +3 more
core   +1 more source

Identifying and characterising a plant GH1 β‐glucosidase that exhibits hydrolytic activity on N‐linked glucopyranoside

open access: yesFEBS Open Bio, EarlyView.
We report the first β‐glucosidase with demonstrated hydrolytic activity on an N‐linked glycopyranoside. The enzyme, native to maize, was biochemically characterised for this novel reaction, and structural modelling of the enzyme–substrate complex revealed several clues to the underlying reduced catalytic rate relative to its native O‐glycopyranoside ...
Hani Gharabli   +3 more
wiley   +1 more source

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