A5075281510- Planetary Science and Exploration
- Geological and Geochemical Analysis
- Astro and Planetary Science
- Geology and Paleoclimatology Research
- Geomagnetism and Paleomagnetism Studies
- Paleontology and Stratigraphy of Fossils
- Advanced Condensed Matter Physics
- Crystal Structures and Properties
- Advanced Causal Inference Techniques
- Global Maternal and Child Health
- Mobile Ad Hoc Networks
- Opportunistic and Delay-Tolerant Networks
- Statistical Methods and Bayesian Inference
- Caching and Content Delivery
- Regional Development and Environment
- Robotic Locomotion and Control
- Space Science and Extraterrestrial Life
- Space Exploration and Technology
- Efficiency Analysis Using DEA
- COVID-19 Pandemic Impacts
- Robotics and Sensor-Based Localization
- Constraint Satisfaction and Optimization
- Optical Systems and Laser Technology
- COVID-19 epidemiological studies
- Algorithms and Data Compression
Sun Yat-sen University
2013-2024
Beijing University of Posts and Telecommunications
2024
China University of Geosciences
2019-2021
Abstract Glasses cooled from impact melt and vapor are a common component in lunar regolith, carrying important information about protolith composition, regolith formation, flux on the Moon. Interpretations, however, frequently challenged due to widespread ambiguity determining their provenances. Regolith samples returned by China's Chang’E‐5 mission provide unique opportunity study microscopic mechanism of reworking Moon, because as evidenced coherent radioisotope ages petrographic...
In recent years, there has been growing interest in learning to rank. The introduction of feature selection into different problems proven effective. These facts motivate us investigate the problem for We propose a joint convex optimization formulation which minimizes ranking errors while simultaneously conducting selection. This provides flexible framework we can easily incorporate various importance measures and similarity features. To solve this problem, use Nesterov's approach derive an...
Abstract Iron‐rich particles are widespread on the surfaces and interiors of lunar impact glasses, they record delicate physicochemical processes during space weathering regolith gardening Moon. Different from nanophase iron in amorphous rims minerals, iron‐rich glasses mostly larger than 10 nm spherical semi‐hemispherical shape. In samples returned by Luna, Apollo Chang'E‐5 missions, a special form microscopic structure commonly exists which appear as rimless depressions that filled with...
Abstract South China, the northern part of Australasian strewn field (AASF) tektites and microtektites is located at uprange hypothesized source crater that still unconfirmed. Magnetic properties impact glasses are an important indicator their materials thermal history. Extensive magnetic investigations have been performed on various AASF sampled from both Indochina Peninsula further south, but such information remains sparse for those China. Here, we present a detailed rock magnetism study...
Abstract Apatites record crucial information on the origin, composition, and chemical evolution of volatiles terrestrial planets. As a martian intrusive rock, gabbroic shergottite Northwest Africa (NWA) 13581 provides key volatile related to magmatic processes in interior, shedding light intricate circulation Mars. The textural characteristics phosphates NWA indicate complex formation history involving fractional crystallization, degassing, fluid interaction. Degassing parent melt is capable...
Abstract The interrupted time series (ITS) design is widely used to examine the effects of large-scale public health interventions and has highest level evidence validity. However, there a notable gap regarding methods that account for lag interventions. To address this, we introduced activation functions (ReLU Sigmoid) into classic segmented regression (CSR) ITS during period. This led proposal proposed an optimized (OSR), namely, OSR-ReLU OSR-Sig. compare performance models, simulated data...
Abstract Microscopic silicate melts are ubiquitous on surfaces of lunar regolith particles, and they record physicochemical processes reworking the Moon. Similar microstructures visible Chang'e‐5 impact glass which predominantly sourced from local mare deposits. Therefore, microscopic provide an invaluable opportunity to study movements, provenances, chemical alterations substances involved in reworking. However, small lateral sizes thicknesses surface a challenge for quantifying their...
This paper proposes an efficient opportunistic forwarding algorithm in Delay Tolerant Networks (DTNs) using only local information: inter-meeting times collected locally. It tries to minimize delay with a controlled energy consumption through placing limitation on the number of total copies per message. The proposed makes decisions based information, which means that no information is needed be exchanged among nodes, except for data transferred. removal propagation particularly important...
Due to intermittent connectivity and uncertain node mobility, opportunistic message forwarding algorithms have been widely adopted in delay tolerant networks (DTNs). While existing work proposes practical terms of increasing the delivery rate decreasing data overhead, little attention has drawn control overhead induced by algorithms. The could, however, make infeasible when network size scales. In this paper, we are interested scalability reducing while retaining state-of-the-art...
Abstract Background The interrupted time series (ITS) design is a widely used approach to examine the effects of interventions. However, classic segmented regression (CSR) method, most popular statistical technique for analyzing ITS data, may not be adequate when there transitional period between pre- and post-intervention phases. Methods To address this issue better capture distribution patterns intervention during transition period, we propose using different cumulative functions in CSR...
Abstract South China belongs to the northern geographic branch of Australasian strewn field (AASF) tektites and microtektites, this area is assumed be part uprange region putative impactor trajectory that formed yet undiscovered source crater. Ferromagnetic minerals in impact glass may record magnetization process thermal history melt, but possible identity ferromagnetic AASF from elusive. Here, we perform a rock magnetism crystallography study iron‐sulfur spherules Muong Nong‐type China,...
Abstract There is a lack of approaches to evaluate the effectiveness interventions when there are nonlinear impacts covariates outcome series. Based on classic framework ITS/CITS segmented regression, while considering autocorrelation time series, we adopted dynamic modeling strategy (Hammerstein) measure effects covariates, and proposed four optimized models: ITS-A, CITS-A, ITS-HA, CITS-HA. To compare accuracy precision in estimating long-term impact an intervention between models,...