Results 81 to 90 of about 764,488 (297)

An Enhanced Hybrid Switching-Frequency Modulation Strategy for Fuel Cell Vehicle Three-Level DC-DC Converters with Quasi-Z Source

Energies, 2018
For fuel cell vehicles, the fuel cell stack has a soft output characteristic whereby the output voltage drops quickly with the increasing output current. In order to interface the dynamic low voltage of the fuel cell stack with the required constant high
Yun Zhang, Jilong Shi, Chuanzhi Fu, Wei Zhang, Ping Wang, Jing Li, Mark Sumner   +6 more
doaj   +1 more source

The modulation of SiO maser polarization by Jovian planets

, 2008
Searching for planets in the atmosphere of AGB stars is difficult, due to confusion with the stellar wind and pulsations. The aim here is to provide a complementary strategy for planet search in such a dense environment.
Alexeev, Asensio Ramos, Barvainis, Bujarrabal, Cherchneff, Cotton, Cotton, Deguchi, Deguchi, Desmurs, Diamond, Elitzur, Elitzur, Fiebig, Glenn, Goldreich, Gray, Gray, H. Wiesemeyer, Hartquist, Herpin, Herwig, Humlícek, Humphreys, Kemball, Landi Deglinnocenti, McIntosh, Nedoluha, Niedzielski, Phillips, Santos, Sargent, Schreier, Setiawan, Shue, Silvotti, Soker, Soker, Soker, Soria-Ruiz, Struck, Struck, Struck-Marcell, Thum, Villaver, Wang, Watson, Western, Wiesemeyer   +48 more
core   +2 more sources

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Sector Subdivision Based SVPWM Strategy of Neutral-Point-Clamped Three-Level Inverter for Current Ripple Reduction

Energies, 2019
This paper presents a sector subdivision based space vector pulse width modulation (SVPWM) strategy with reduced current ripple for a three-level inverter.
Guozheng Zhang, Bingxu Wei, Xin Gu, Xinmin Li, Zhanqing Zhou, Wei Chen   +5 more
doaj   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

FEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Function‐driven design of a surrogate interleukin‐2 receptor ligand

FEBS Letters, EarlyView.
Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang, Zelin Cheng, Teng Li, Fulian Wang, Liangminghui Zhang, Xiuxiu He, Lili Liu, Wei Wang, Aibin Liang, Guang Yang   +9 more
wiley   +1 more source

Mechanisms of parasite‐mediated disruption of brain vessels

FEBS Letters, EarlyView.
Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira, Sílvia Arroz‐Madeira, Cláudio A. Franco, Sara Silva Pereira   +3 more
wiley   +1 more source

Research on Power-Balance Control Strategy of CHB Multilevel Inverter Based on TPWM

IEEE Access, 2019
Against to the problems of low utilization rate of DC-side voltage of Cascaded H-bridge (CHB) multi-level inverter Carrier Disposition (CD) modulation strategy and unbalanced output power of each cascaded H-bridge units, a power balanced based In-Phase ...
Manyuan Ye, Wei Ren, Le Chen, Qiwen Wei, Guizhi Song, Song Li   +5 more
doaj   +1 more source

A Novel Carrier-Based PWM Without Narrow Pulses Applying to High-Frequency Link Matrix Converter

IEEE Access, 2020
In order to eliminate narrow pulses completely, this paper presents a novel carrier-based pulse width modulation (CBPWM) strategy applying to high-frequency link matrix converter (HFL-MC). Following the De-Re-couple idea, a single-phase to three-phase MC
Xiuyun Wang, Tianyuan Wei, Rutian Wang, Yue Hu, Siyuan Liu   +4 more
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source