Results 51 to 60 of about 119,167 (300)

An Asymptotic Expansion for the Recharge–Discharge Model of ENSO [PDF]

open access: yes, 2013
The dynamics of El Niño–Southern Oscillation (ENSO) in the equatorial Pacific Ocean are largely associated with the slow thermocline adjustment at interannual and basin scales.
Nadia Ayoub   +7 more
core   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Low-Frequency Oscillations and Control of the Motor Output [PDF]

open access: yesFrontiers in Physiology, 2017
A less precise force output impairs our ability to perform movements, learn new motor tasks, and use tools. Here we show that low-frequency oscillations in force are detrimental to force precision. We summarize the recent evidence that low-frequency oscillations in force output represent oscillations of the spinal motor neuron pool from the voluntary ...
Lodha, Neha, Christou, Evangelos A.
openaire   +2 more sources

Hijacking emergency granulopoiesis: Neutrophil ontogeny and reprogramming in cancer

open access: yesMolecular Oncology, EarlyView.
Neutrophils are highly plastic innate immune cells; their functions in cancer extend beyond the tumour microenvironment. This Review summarises current understanding of neutrophil maturation and heterogeneity and highlights tumour‐induced granulopoiesis as a systemic programme that expands immature, immunosuppressive neutrophils via tumour‐derived ...
Gabriela Marinescu, Yi Feng
wiley   +1 more source

Study on Pressure Oscillation Characteristic of Steam Low-velocity Jet under Seawater Condition [PDF]

open access: yes
In order to address the research gap in steam-seawater interactions and evaluate the feasibility of using seawater as a coolant in marine nuclear power systems, the pressure oscillation characteristics of steam low-velocity jet in seawater have been ...
Study on Pressure Oscillation Characteristic of Steam Low-velocity Jet under Seawater Condition
core   +1 more source

Optimization on the Control Mode of Thermal Power Unit to Suppress Low Frequency Oscillation of Power System

open access: yesZhongguo dianli, 2020
Due to the randomness of its occurrence in power system, currently there is no effective way to suppress the low frequency oscillations through the existing thermal control modes of generation units.
Bao ZHANG   +4 more
doaj   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Frequency Oscillation Analysis of Power System With Multiple Governor Deadbands

open access: yesIEEE Access, 2020
In recent years, the ultra-low frequency oscillation of power system is one of the most concerned frequency stability problem. The governor deadband are considered as one of the main influences.
Chengwei Fan   +5 more
doaj   +1 more source

Low-frequency oscillation analysis of two-stage photovoltaic grid-connected system

open access: yesEnergy Reports, 2022
The low-frequency oscillation (LFO) problem of photovoltaic (PV) grid-connected systems has been a critical concern for safe operation, whereas the impact of dc-side components of PV plants are always ignored and single-stage PV plant is used. This paper
Bingbing Shao   +4 more
doaj   +1 more source

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