Search Results - "Li, Weijun"
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BULDP: Biomimetic Uncorrelated Locality Discriminant Projection for Feature Extraction in Face Recognition
Published in IEEE transactions on image processing (01-05-2018)“…This paper develops a new dimensionality reduction method, named biomimetic uncorrelated locality discriminant projection (BULDP), for face recognition. It is…”
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Transfer learning for process fault diagnosis: Knowledge transfer from simulation to physical processes
Published in Computers & chemical engineering (04-08-2020)“…•A deep transfer learning network is developed for fault diagnosis by combining convolutional neural network and multiple domain adaptation techniques.•Use…”
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Transmission electron microscopy study of aerosol particles from the brown hazes in northern China
Published in Journal of Geophysical Research - Atmospheres (16-05-2009)“…Airborne aerosol collections were performed in urban areas of Beijing that were affected by regional brown haze episodes over northern China from 31 May to 12…”
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Achieving a Significantly Increased Efficiency in Nondoped Pure Blue Fluorescent OLED: A Quasi-Equivalent Hybridized Excited State
Published in Advanced functional materials (01-03-2015)“…Excited state characters and components play a decisive role in photoluminescence (PL) and electroluminescence (EL) properties of organic light‐emitting…”
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Sulfate formation is dominated by manganese-catalyzed oxidation of SO2 on aerosol surfaces during haze events
Published in Nature communications (31-03-2021)“…The formation mechanism of aerosol sulfate during wintertime haze events in China is still largely unknown. As companions, SO 2 and transition metals are…”
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Organic Coating Reduces Hygroscopic Growth of Phase-Separated Aerosol Particles
Published in Environmental science & technology (21-12-2021)“…A large fraction of secondary aerosol particles are liquid–liquid phase-separated with an organic shell and an inorganic core. This has the potential to…”
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Microscopic Evidence for Phase Separation of Organic Species and Inorganic Salts in Fine Ambient Aerosol Particles
Published in Environmental science & technology (16-02-2021)“…Phase separation is an important microscopic phenomenon in aerosol particles and reflects the surface properties of particles and the aging degree of organic…”
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Lipid-based nanoparticles for nucleic acid delivery
Published in Pharmaceutical research (01-03-2007)“…Lipid-based colloidal particles have been extensively studied as systemic gene delivery carriers. The topic that we would like to emphasize is the…”
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Significant Changes in Chemistry of Fine Particles in Wintertime Beijing from 2007 to 2017: Impact of Clean Air Actions
Published in Environmental science & technology (04-02-2020)“…The Beijing government implemented a number of clean air action plans to improve air quality in the last 10 years, which contributed to changes in the…”
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Robust High‐Temperature Supercapacitors Based on SiC Nanowires
Published in Advanced functional materials (01-02-2021)“…Currently, the exploration of energy conversion/storage devices for high‐temperature operation with desired stability is still a grand challenge. In the…”
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A review of single aerosol particle studies in the atmosphere of East Asia: morphology, mixing state, source, and heterogeneous reactions
Published in Journal of cleaner production (20-01-2016)“…Emissions of anthropogenic air pollutants in East Asia significantly influence the regional climate, cause environmental deterioration and threaten public…”
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Aberrant neural correlates of multisensory processing of audiovisual social cues related to social anxiety: An electrophysiological study
Published in Frontiers in psychiatry (24-01-2023)“…Social anxiety disorder (SAD) is characterized by abnormal fear to social cues. Although unisensory processing to social stimuli associated with social anxiety…”
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Airborne microplastics: A review of current perspectives and environmental implications
Published in Journal of cleaner production (01-05-2022)“…Microplastics (MPs), as an entirely anthropogenic type of pollution, are considered to be stratigraphic markers of the Anthropocene Epoch, and have become of…”
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Abrupt but smaller than expected changes in surface air quality attributable to COVID-19 lockdowns
Published in Science advances (01-01-2021)“…The COVID-19 lockdowns led to major reductions in air pollutant emissions. Here, we quantitatively evaluate changes in ambient NO , O , and PM concentrations…”
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Emissions of fine particulate nitrated phenols from residential coal combustion in China
Published in Atmospheric environment (1994) (15-04-2019)“…Nitrated phenols (NPs) are regarded as a major component of brown carbon and affect the earth environment. Previous studies have suggested that NPs in the…”
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Profile distribution of soil inorganic carbon along a chronosequence of grassland restoration on a 22-year scale in the Chinese Loess Plateau
Published in Catena (Giessen) (01-10-2014)“…Understanding the distribution of soil inorganic carbon (SIC) is meaningful and necessary for assessing soil carbon sequestration. However, changes in SIC…”
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Aqueous production of secondary organic aerosol from fossil-fuel emissions in winter Beijing haze
Published in Proceedings of the National Academy of Sciences - PNAS (23-02-2021)“…Secondary organic aerosol (SOA) produced by atmospheric oxidation of primary emitted precursors is a major contributor to fine particulate matter (PM2.5) air…”
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Microscopic comparison of aerosol particles collected at an urban site in North China and a coastal site in Japan
Published in The Science of the total environment (15-06-2019)“…In order to understand the physicochemical properties of aerosol particles in Japan and China, transmission electron microscopy was used to analyze individual…”
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A Hybridized Local and Charge‐Transfer Excited State for Highly Efficient Fluorescent OLEDs: Molecular Design, Spectral Character, and Full Exciton Utilization
Published in Advanced optical materials (01-09-2014)“…For a donor–acceptor (D–A) molecule, there are three possible cases for its low‐lying excited state (S1): a π–π* state (a localized electronic state), a…”
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Highly efficient near ultraviolet organic light-emitting diode based on a meta -linked donor-acceptor molecule
Published in Chemical science (Cambridge) (01-07-2015)“…A novel near ultraviolet (NUV) emitter with a -linked donor-acceptor (D-A) structure between triphenylamine (TPA) and phenanthroimidazole (PPI), mTPA-PPI, was…”
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