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Article
Neural-network-based safe learning control for non-zero-sum differential games of nonlinear systems with asymmetric input constraints
This paper primarily investigates a neural-network-based safe control scheme for solving the optimal control problem of continuous-time (CT) nonlinear systems with asymmetric input constraints under non-zero-s...
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Article
Experimental Study on the Molten Salt at Micron Scale during the Melting Process
The investigation of the melting behaviors of the molten salt at micron scale during the melting process is critical for explaining the solid-liquid phase transition mechanism. In this paper, a novel experimen...
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Article
Safe optimal robust control of nonlinear systems with asymmetric input constraints using reinforcement learning
External disturbances and asymmetric input constraints may cause a major problem to the optimal control of the system. Aiming at such problem, this article presents a safe and optimal robust control method bas...
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Article
Dynamic event-triggered robust safety control for multiplayer fully cooperative games with mismatched uncertainties and asymmetric input constraints
This paper investigates a dynamic event-triggered robust safety control method for multiplayer fully cooperative games with mismatched uncertainties and asymmetric input constraints under continuous-time nonli...
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Article
Open AccessSpin-orbital-angular-momentum-coupled quantum gases
We briefly review the recent progress of theories and experiments on spin-orbital-angular-momentum (SOAM)-coupled quantum gases. The coupling between the intrinsic degree of freedom of particles and their exte...
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Article
Open AccessPhase-locking matter-wave interferometer of vortex states
Matter-wave interferometer of ultracold atoms with different linear momenta has been extensively studied in theory and experiment. The vortex matter-wave interferometer with different angular momenta is applic...
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Article
Characteristics of Axial and Radial Development of Solids Holdup in a Countercurrent Fluidized Bed Particle Solar Receiver
A novel particle solar receiver (PSR) with gas-solids countercurrent fluidized bed (CCFB) was proposed. The cold-mold prototype was set up to investigate the gas-solids flow structure by using optical fiber pr...
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Article
Experimental Investigation on the Hydrodynamic Characteristics of Fluidized Bed Particle Solar Receiver with Gas-Solid Countercurrent Flow Pattern
To design a particle solar receiver (PSR), a vital energy conversion system, is still a bottleneck for researchers. This study presents a novel PSR based on countercurrent fluidized bed (CCFB) technology, name...
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Article
Open AccessImmunological imprinting of the antibody response in COVID-19 patients
In addition to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), humans are also susceptible to six other coronaviruses, for which consecutive exposures to antigenically related and divergent seaso...
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Article
Repeated cross-sectional sero-monitoring of SARS-CoV-2 in New York City
In late 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was first detected in China and has since caused a pandemic of coronavirus disease 2019 (COVID-19). The first case of COVID-19 in New ...
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Article
A chimeric hemagglutinin-based universal influenza virus vaccine approach induces broad and long-lasting immunity in a randomized, placebo-controlled phase I trial
Seasonal influenza viruses constantly change through antigenic drift and the emergence of pandemic influenza viruses through antigenic shift is unpredictable. Conventional influenza virus vaccines induce strai...
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Article
A serological assay to detect SARS-CoV-2 seroconversion in humans
Here, we describe a serological enzyme-linked immunosorbent assay for the screening and identification of human SARS-CoV-2 seroconverters. This assay does not require the handling of infectious virus, can be a...
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Article
Phylogenetic and biological characterization of three K1203 (H5N8)-like avian influenza A virus reassortants in China in 2014
Three H5N8 avian influenza viruses isolated from domestic geese in China in 2014 were characterized phylogenetically and biologically. Phylogenetic analysis of the complete genomic sequences of the three isola...
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Article
Differences in transmissibility and pathogenicity of reassortants between H9N2 and 2009 pandemic H1N1 influenza A viruses from humans and swine
Both H9N2 subtype avian influenza and 2009 pandemic H1N1 viruses (pH1N1) can infect humans and pigs, which provides the opportunity for virus reassortment, leading to the genesis of new strains with potential ...
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Article
Radio-frequency spectroscopic measurement for pairing gap in an ultracold Fermi gas
The study of ultracold Fermi gases has exploded a variety of experimental and theoretical research since the achievement of degenerate quantum gases in the lab, which expands the research range over atomic phy...
