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Article
Open AccessIncubation period, clinical and lung CT features for early prediction of COVID-19 deterioration: development and internal verification of a risk model
Most severe, critical, or mortal COVID-19 cases often had a relatively stable period before their status worsened. We developed a deterioration risk model of COVID-19 (DRM-COVID-19) to predict exacerbation ris...
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Article
Open AccessModeling and assessment of five-frequency BDS precise point positioning
Since its full operation in 2020, BeiDou Satellite Navigation System (BDS) has provided global services with highly precise Positioning, Navigation, and Timing (PNT) as well as unique short-message communicati...
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Article
PrPSc Inhibition and Cellular Protection of DBL on a Prion-Infected Cultured Cell via Multiple Pathways
Prion diseases are kinds of fatal neurodegenerative diseases without effective therapeutic and prophylactic tools currently. In this study, the inhibition of PrPSc propagation and cellular protectivity of 3,4-dih...
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Article
Open AccessHigh-flow nasal cannula versus conventional oxygen therapy in acute COPD exacerbation with mild hypercapnia: a multicenter randomized controlled trial
High-flow nasal cannula (HFNC) can improve ventilatory function in patients with acute COPD exacerbation. However, its effect on clinical outcomes remains uncertain.
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Article
Organo-gold(III) complexes via mechanochemistry in a ball mill
Owing to their highly interesting applications in medicine, catalysis, and their luminescence properties, over the past decade, increasing efforts have been devoted to the synthesis of organo-gold(III) complex...
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Article
KCNN4-mediated Ca2+/MET/AKT axis is promising for targeted therapy of pancreatic ductal adenocarcinoma
As a member of the potassium calcium-activated channel subfamily, increasing evidence suggests that KCNN4 was associated with malignancies. However, the roles and regulatory mechanisms of KCNN4 in PDAC have be...
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Article
A method for updating GNSS satellite ultra-rapid clock offsets and orbits with the aid of a covariance intersection algorithm
Global navigation satellite system (GNSS) ultra-rapid clock offsets and orbit products are essential for near-real-time and real-time uses. To meet the requirements of accuracy and timeliness in high-accuracy ...
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Article
Oxygen Vacancy in CeO2 Facilitate the Catalytic Activity of Pd/CeO2 for CO Direct Esterification to Dimethyl Oxalate
CO direct esterification to dimethyl oxalate (DMO) has important industrial application value. Pd-based heterogeneous catalysts have been often utilized for this reaction. However, the effects of defect struct...
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Chapter and Conference Paper
An Improved Low-Light Image Enhancement Algorithm Based on Deep Learning
At present, most low-light image enhancement algorithms rely on artificial design with a priori information and constraints, but it cannot accurately capture deep structural features of the images. In this pap...
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Chapter and Conference Paper
Performances Assessments for GNSS/BDS-3 Satellites On-Board Clock with Long-Term iGMAS Products
After officially announced the service of BDS-3 system, the promotion and industrial application of BDS-3 is a new highland for BeiDou innovation and development. Satellites’ performances are one of prerequisi...
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Chapter and Conference Paper
Automatic Detection of Safety Helmet Based on Improved YOLO Deep Model
Safety helmets are important equipment to ensure worker safety on construction site, so it is necessary to detect whether the construction workers are wearing safety helmets. In this paper, we propose an impro...
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Chapter and Conference Paper
Ensemble of Multi-time Resolution Recurrent Neural Networks for Enhanced Feature Extraction in High-Rate Time Series
Systems experiencing high-rate dynamic events, termed high-rate systems, typically undergo accelerations of amplitudes higher than 100 g in less than 10 ms. Examples include adaptive airbag deployment systems,...
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Chapter and Conference Paper
Liquefaction Resistance and Small Strain Shear Modulus of Saturated Silty Sand with Low Plastic Fines
The liquefaction resistance and the small strain shear modulus G0 of saturated Fujian sand with low plastic fines were evaluated with cyclic triaxial and bender element tests. The testing program encompasses a wi...
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Article
Physical Modeling of Slag Foaming in Combined Top and Bottom Blowing Converter
The slag-metal-gas multiphase system in converters is crucial for smelting effectiveness and process stability during steelmaking. However, as a key course of the multiphase interaction, slag foaming was not t...
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Chapter and Conference Paper
Fool a Hashing-Based Video Retrieval System by Perturbing the Last 8 Frames of a Video
Studies on adversarial attack have brought people’s attention to the safety of deep neural networks (DNNs). Sparse adversarial attack, which is more dangerous than dense adversarial attack, can fool a threat m...
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Chapter
Real-Time Machine Learning for High-Rate Structural Health Monitoring
Advances in science and engineering are empowering high-rate dynamic systems, such as hypersonic vehicles, advanced weaponries, and active shock and blast mitigation strategies. The real-time estimation of the...
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Article
Open AccessHydroxylamine-mediated C–C amination via an aza-hock rearrangement
Despite the widespread use of anilines, synthetic challenges to these targets still exist. Selectivity is often an issue, when using the traditional nitration-reduction sequence or more modern approaches, incl...
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Article
Open AccessCD5L deficiency attenuate acetaminophen-induced liver damage in mice via regulation of JNK and ERK signaling pathway
CD5 molecule like (CD5L), a member of the scavenger receptor cysteine-rich domain superfamily, plays a critical role in immune homeostasis and inflammatory disease. Acetaminophen (APAP) is a safe and effective...
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Article
Analysis on improvement effect of subgrade by dynamic compaction
To evaluate the quality of the subgrade reinforcement by dynamic compaction (DC), a dynamic finite element model was established based on the soil cap yield hardening model. A subroutine was performed to simul...
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Article
Open AccessPotent SARS-CoV-2 neutralizing antibodies with protective efficacy against newly emerged mutational variants
Accumulating mutations in the SARS-CoV-2 Spike (S) protein can increase the possibility of immune escape, challenging the present COVID-19 prophylaxis and clinical interventions. Here, 3 receptor binding domai...
