194 Result(s)
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Open AccessQuantitative assessment method of muzzle flash and smoke at high noise level on field environment
It is quite a challenge to obtain the temperature and species concentration fields of muzzle flash at high noise level. In this numerical study, radiation intensity of muzzle flash received by the high-speed C...
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Open AccessSuppressing phase disproportionation in quasi-2D perovskite light-emitting diodes
Electroluminescence efficiencies and stabilities of quasi-two-dimensional halide perovskites are restricted by the formation of multiple-quantum-well structures with broad and uncontrollable phase distribution...
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Open AccessNumerical and experimental study on monitoring coal cracks with PZT sensor
The rupture of coal pillar can lead to spontaneous combustion or collapse of goaf, which endangers the safety of workers. To explore the relationship between the crack depth of the coal structure and the signa...
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Open AccessLigand-controlled stereodivergent alkenylation of alkynes to access functionalized trans- and cis-1,3-dienes
Precise stereocontrol of functionalized alkenes represents a long-standing research topic in organic synthesis. Nevertheless, the development of a catalytic, easily tunable synthetic approach for the stereodiv...
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Open AccessThermal-inert and ohmic-contact interface for high performance half-Heusler based thermoelectric generator
Unsatisfied electrode bonding in half-Heusler devices renders thermal damage and large efficiency loss, which limits their practical service at high temperatures. Here, we develop a thermodynamic strategy to s...
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Open AccessBiodegradation of highly crystallized poly(ethylene terephthalate) through cell surface codisplay of bacterial PETase and hydrophobin
The process of recycling poly(ethylene terephthalate) (PET) remains a major challenge due to the enzymatic degradation of high-crystallinity PET (hcPET). Recently, a bacterial PET-degrading enzyme, PETase, was...
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Open AccessCooperative binding of T cell receptor and CD4 to peptide-MHC enhances antigen sensitivity
Antigen recognition by the T cell receptor (TCR) of CD4+ T cells can be greatly enhanced by the coreceptor CD4. Yet, understanding of the molecular mechanism is hindered by the ultra-low affinity of CD4 binding t...
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Open AccessEvaluation of the metabolomic profile through 1H-NMR spectroscopy in ewes affected by postpartum hyperketonemia
Ketosis is one of the most important health problems in dairy sheep. The aim of this study was to evaluate the metabolic alterations in hyperketonemic (HYK) ewes. Forty-six adult Sardinian ewes were enrolled b...
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Open AccessAuthor Correction: Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells
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Open AccessHighly selective single and multiple deuteration of unactivated C(sp3)-H bonds
Selective deuteration of unactivated C(sp3)-H bonds is a highly attractive but challenging subject of research in pharmaceutical chemistry, material science and synthetic chemistry. Reported herein is a practical...
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Open AccessTraps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells
Stability is one of the most important challenges facing material research for organic solar cells (OSC) on their path to further commercialization. In the high-performance material system PM6:Y6 studied here,...
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Open AccessA high-resolution climate simulation dataset for the past 540 million years
The Phanerozoic Eon has witnessed considerable changes in the climate system as well as abundant animals and plant life. Therefore, the evolution of the climate system in this Eon is worthy of extensive resear...
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Open AccessEcohydrological effects of water conveyance in a disconnected river in an arid inland river basin
Water system management is a worldwide challenge, especially in arid and semi-arid regions. Ecological water conveyance projects aim to raise the groundwater table, thereby saving natural vegetation and curbin...
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Open AccessNickel catalyzed multicomponent stereodivergent synthesis of olefins enabled by electrochemistry, photocatalysis and photo-electrochemistry
Trisubstituted alkenes are important organic synthons and have broad applications in the synthesis of many pharmaceuticals and materials. The stereoselective synthesis of such compounds has long been a researc...
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Open AccessDifference in the alveolar bone remodeling between the adolescents and adults during upper incisor retraction: a retrospective study
The purpose of this study was to compare the difference of alveolar bone remodeling between the adolescents and adults in the maxillary incisor area during retraction. This retrospective study included 72 fema...
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Open AccessVinyl copolymers with faster hydrolytic degradation than aliphatic polyesters and tunable upper critical solution temperatures
Vinyl polymers are the focus of intensive research due to their ease of synthesis and the possibility of making well-defined, functional materials. However, their non-degradability leads to environmental probl...
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Open AccessAutomated machine learning for differentiation of hepatocellular carcinoma from intrahepatic cholangiocarcinoma on multiphasic MRI
With modern management of primary liver cancer shifting towards non-invasive diagnostics, accurate tumor classification on medical imaging is increasingly critical for disease surveillance and appropriate targ...
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Open AccessUltra-narrow room-temperature emission from single CsPbBr3 perovskite quantum dots
Semiconductor quantum dots have long been considered artificial atoms, but despite the overarching analogies in the strong energy-level quantization and the single-photon emission capability, their emission sp...
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Open AccessDecarboxylative tandem C-N coupling with nitroarenes via SH2 mechanism
Aromatic tertiary amines are one of the most important classes of organic compounds in organic chemistry and drug discovery. It is difficult to efficiently construct tertiary amines from primary amines via cla...
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Open AccessA deep siamese neural network improves metagenome-assembled genomes in microbiome datasets across different environments
Metagenomic binning is the step in building metagenome-assembled genomes (MAGs) when sequences predicted to originate from the same genome are automatically grouped together. The most widely-used methods for b...