Results 61 to 70 of about 335,229 (346)

Класcификация изолированных DC/DC квази–импедансных преобразователей [PDF]

, 2013
Представлены существующие схемы повышающих DC/DC квази-импедансных преобразователей. Произведена классификация преобразователей по передаточной характеристике по постоянному току и типу схемы квази-импедансного звена.Existent topologies of the quasi-Z ...
Винников, Д. В., Гусев, А. А., Чуб, А. И.   +2 more
core  

Sliding modes in electrical drives and motion control [PDF]

, 2011
In this paper application of Sliding Mode Control (SMC) to electrical drives and motion control systems is discussed. It is shown that in these applications simplicity in implementation makes concepts of SMC a very attractive design alternative ...
Asada, Chaen, David, Derdiyok, Izosimov, Jezernik, Khatib, Rao, Utkin, Utkin, Utkin, Yan, Şahin, Šabanovic, Šabanovic, Šabanovic, Šabanovic, Šabanović   +17 more
core   +2 more sources

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

FEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo, Catherine S. Palmer, Jacqueline M. Kimmey   +2 more
wiley   +1 more source

Analysis of the non‐isolated step‐up network based on impedance source converter

IET Power Electronics, 2022
A new topology of the high step‐up Z‐source converter is proposed, which does not need to work at high duty cycles to increase the voltage gain. In other words, this converter can generate high voltage gain in low duty cycles.
Darioush Alizadeh, Ebrahim Babaei, Mehran Sabahi   +2 more
doaj   +1 more source

Enhancing Bremsstrahlung Production From Ultraintense Laser-Solid Interactions With Front Surface Structures

, 2014
We report the results of a combined study of particle-in-cell and Monte Carlo modeling that investigates the production of Bremsstrahlung radiation produced when an ultraintense laser interacts with a tower-structured target.
Akli, K. U., Freeman, R. R., Jiang, S., Krygier, A. G., Schumacher, D. W.   +4 more
core   +1 more source

Quantum Illumination at the Microwave Wavelengths [PDF]

, 2015
Quantum illumination is a quantum-optical sensing technique in which an entangled source is exploited to improve the detection of a low-reflectivity object that is immersed in a bright thermal background.
Barzanjeh, Shabir, Guha, Saikat, Pirandola, Stefano, Shapiro, Jeffrey H., Vitali, David, Weedbrook, Christian   +5 more
core   +4 more sources

Hematopoietic (stem) cells—The elixir of life?

FEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo, Jonah Anderson, Emilie Dinh Vedrenne, Noël Yeh Martín, Jette Lengefeld   +4 more
wiley   +1 more source

A Single Phase Doubly Grounded Semi-Z-Source Inverter for Photovoltaic (PV) Systems with Maximum Power Point Tracking (MPPT)

Energies, 2014
In this paper, a single phase doubly grounded semi-Z-source inverter with maximum power point tracking (MPPT) is proposed for photovoltaic (PV) systems. This proposed system utilizes a single-ended primary inductor (SEPIC) converter as DC-DC converter to
Tofael Ahmed, Tey Kok Soon, Saad Mekhilef   +2 more
doaj   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

FEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani, Noemi E. Nwosu, Viktoria Gocke, Müge Kasanmascheff, Hannes Mutschler   +4 more
wiley   +1 more source

Analysis of High Step-Up Quasi-Z-Source-Based Converter With Low Input Current Ripple

IEEE Open Journal of the Industrial Electronics Society
This article presents a new high step-up quasi-Z-source-based dc–dc converter with switched boost techniques and voltage multiplier cells. Compared with the conventional Z-source-based converters, this converter not only can achieve high voltage ...
Ataollah Samadian, Milad Ghavipanjeh Marangalu, Iman Talebian, Navid Hadifar, Seyed Hossein Hosseini, Mehran Sabahi, Hani Vahedi   +6 more
doaj   +1 more source