-
Article
Open AccessDemand and key technology for a LEO constellation as augmentation of satellite navigation systems
A Low Earth Orbit (LEO) constellation augmenting satellite navigation is important in the future development of Global Navigation Satellite System (GNSS). GNSS augmented by LEO constellations can improve not o...
-
Article
Effects of straw return on soil carbon sequestration, soil nutrients and rice yield of in acidic farmland soil of Southern China
Straw return was extensively applied owing to its multiple positive impacts on improving soil fertility, impeding soil degradation, enhancing soil carbon sequestration and increasing crop yield. Yet, the under...
-
Article
Open AccessSubstrate-induced condensation activates plant TIR domain proteins
Plant nucleotide-binding leucine-rich repeat (NLR) immune receptors with an N-terminal Toll/interleukin-1 receptor (TIR) domain mediate recognition of strain-specific pathogen effectors, typically via their C-...
-
Chapter and Conference Paper
Analysis of the Performance of Broadcast Ionospheric Model for Anti-disturbance Capability
Magnetic storms and solar flares cause anomalous changes in ionospheric electron content, during which the performance of the broadcast ionospheric model correction decreases. In this paper, we use the CODE GI...
-
Article
Open AccessSARS-COV-2 spike protein promotes RPE cell senescence via the ROS/P53/P21 pathway
SARS-Cov-2 infection, which has caused the COVID-19 global pandemic, triggers cellular senescence. In this study, we investigate the role of the SARS-COV-2 spike protein (S-protein) in regulating the senescenc...
-
Article
Potential Risk Evaluation for Soil Environmental Quality Assessment in China Based on Spatial Multi-Criteria Decision-Making Theory
Soil environmental quality assessment traditionally focuses on a single objective. Therefore, related results only reflect the pollution of the assessment objective and ignore the interaction and relationships...
-
Article
Prediction of Soil Organic Carbon Contents in Tibet Using a Visible Near-Infrared Spectral Library
Accurate soil organic carbon (SOC) data are very important for management of agricultural production and climate change mitigation. Visible near-infrared diffuse reflectance spectroscopy is an inexpensive, non...
-
Article
Development trends of the national secure PNT system based on BDS
Satellite navigation systems are vulnerable. To guarantee the positioning, navigation and timing (PNT) safety of core infrastructure, it is necessary to establish a secure PNT system with hybrid physical princ...
-
Article
Experimental research on new hole-making method assisted with asynchronous mixed frequency vibration in TiBw/TC4 composites
With the gradual promotion and the application of difficult-to-machine materials such as titanium matrix composites in the aerospace field, high-quality hole-making technology has become a major demand in avia...
-
Chapter and Conference Paper
The Optimization and Parallelization of Two-Dimensional Zigzag Scanning on the Matrix
With the expansion of applications, such as image processing, scientific computing, numerical simulation, biomedicine, social network and so on, enormous quantities of data need to be crunched in order to get ...
-
Article
Experimental study on longitudinal-torsional ultrasonic vibration drilling of carbon fiber–reinforced plastics/titanium alloy stacks
Carbon fiber–reinforced plastics (CFRP)/titanium alloy (Ti) stacks are extensively applied in the aerospace industry due to their excellent mechanical properties. However, their poor machinability poses great ...
-
Article
A novel meta-graph-based attention model for event recommendation
Due to the popular trend of combining online and offline interactions among users in event-based social networks (EBSNs), event recommendation which helps users discover their interesting events has become pro...
-
Article
Evaluation of the Ferromagnetic Cold-Sprayed Coating Peeling Process at the Interface Based on Magnetic Barkhausen Noise Testing
As a type of novel surface engineering technology, the application of cold spraying in the manufacturing and remanufacturing of high-end precision parts is very suitable. However, the disadvantage of low inter...
-
Article
Fine map** of QPm.caas-3BS, a stable QTL for adult-plant resistance to powdery mildew in wheat (Triticum aestivum L.)
A stable QTL QPm.caas-3BS for adult-plant resistance to powdery mildew was mapped in an interval of 431 kb, and candidate genes were predicted based on gene sequences and expression profiles.
-
Chapter and Conference Paper
A Recommendation Algorithm for Auto Parts Based on Knowledge Graph and Convolutional Neural Network
Due to the large number and complex types of auto parts, the ability that algorithm can accurately match the right auto parts is a major problem for buyers to solve. To address this problem, we propose a knowl...
-
Chapter and Conference Paper
Relational Triple Extraction with Relation-Attentive Contextual Semantic Representations
As a fundamental task in natural language processing, relation extraction from unstructured text is usually processed with named entity recognition together. These models intend to extract entities and predict...
-
Article
Open AccessA central circadian oscillator confers defense heterosis in hybrids without growth vigor costs
Plant immunity frequently incurs growth penalties, which known as the trade-off between immunity and growth. Heterosis, the phenotypic superiority of a hybrid over its parents, has been demonstrated for many t...
-
Article
Scanning strategy in selective laser melting (SLM): a review
During the additive manufacturing (AM) process, energy is transferred from the energy beam to the processed material. The high-energy input and uneven temperature distribution result in the high-temperature gr...
-
Article
Energy consumption detection of sensor nodes in the Internet of things based on modal symmetry algorithm
The traditional energy consumption detection method ignores the energy consumption location of nodes, so that nodes and energy consumption values do not have symmetry law, resulting in energy consumption detec...
-
Chapter and Conference Paper
Analysis of the BDS-3 Complete System on Positioning Performance in Polar Region
The BDS-3 complete system was officially put into operation on July 31, 2020. This article uses the measured data of international GNSS Monitoring and Assessment System (iGMAS) stations to analyze the basic po...
