64 hasil untuk "Bolin Fu"
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Artikel Jurnal
Characterization of IN738LC using in situ nanoindentation and crystal plasticity modeling
This study investigates the mechanical properties of IN738LC, a precipitation-hardened Ni-based superalloy recognized for its high strength and oxidation resistance at elevated temperatures. In situ nanoindentation tests are conducted in a scanning electron microscope (SEM) to study orientation…
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Artikel Jurnal
Object-Based Wetland Classification Using Multi-Feature Combination of Ultra-High Spatial Resolution Multispectral Images
The Unmanned Aerial Vehicle (UAV) and Google Earth (GE) RGB images have ultra-high spatial resolution. But it is difficult to get a high classification accuracy due to the poor spectral resolution. In this article, the object-based wetland classification is investigated using multi-feature…
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Artikel Jurnal
Effect of temperature and β-phase morphology on the high-stress creep of magnesium-aluminum-rare earth alloys
This study investigates the high-stress creep behavior of AE44-2 and AE44-4 magnesium - aluminum-rare earth (RE) alloys at multiple length scales using a combination of in-situ tensile and nanoindentation creep tests conducted at 25 °C, 100 °C, and 180 °C with the objective of understanding how…
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Artikel Jurnal
EEMD disentangles climate-NPP dynamics in Southwest China’s karst area: Soil moisture overtakes precipitation as a key driver of afforestation-induced carbon sinks
The vegetation greening trend resulting from afforestation in the Southwest China’s karst (SCK) area has attracted significant research attention. Identifying the interannual variation in net primary productivity (NPP), its sustained reaction to climate change, and differences between new and old…
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Artikel Jurnal
Bridging the cloud gap: AHI/ATMS synergy through CNN feature fusion for all-weather SST retrieval
Infrared-based Sea Surface Temperature (SST) retrieval methods face persistent challenges from cloud-induced data gaps and accuracy degradation. This study bridges this critical limitation through multisensor satellite synergy, integrating geostationary Advanced Himawari Imager (AHI) with Advanced…
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Artikel Jurnal
Synergistic hyperspectral and SAR imagery retrieval of mangrove leaf area index using adaptive ensemble learning and deep learning algorithms
Accurate mapping of leaf area index (LAI) is essential for mangrove conservation and restoration. This study proposes a new approach to the retrieval of the mangrove LAI by combining a one-dimensional convolutional neural network (1D-CNN) with adaptive ensemble learning regression (AELR) and deep…
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Artikel Jurnal
Vitamin D metabolites and the gut microbiota dietary index are associated with reduced all-cause mortality in US adults: a prospective cohort study
Abstract Background Vitamin D and the gut microbiota are known to influence immune function, inflammation, and long-term health outcomes, including mortality. However, the interplay among vitamin D metabolites, microbiota-related dietary patterns, and mortality risk remains unclear. Methods This…
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Artikel Jurnal
The mechanical behavior of the SiC layer in nuclear TRISO fuel particles
This study investigates the room-temperature deformation behavior of cubic silicon carbide (3C-SiC) crystals, a critical structural layer in tri-structural isotropic (TRISO) nuclear fuel particles. A combined experimental and computational approach is used. Electron backscatter diffraction is used…
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Artikel Jurnal
Phase-resolved characterization of hydride-induced hardening in Zircaloy-2 and Zr-2.5Nb using in situ nanoindentation and crystal plasticity modeling
Zirconium alloys used in nuclear reactors are prone to hydrogen embrittlement and hydride precipitation. In this study, the local deformation behavior of α-Zr, β-Zr, and δ-zirconium hydride phases in Zr-2.5Nb is investigated using in situ nanoindentation in a scanning electron microscope combined…
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Artikel Jurnal
Spatial–temporal changes in the degradation of marshes over the past 67 years
Abstract Agricultural reclamation is widely regarded as a primary cause of marshes degradation. However, the process of marshes degradation on different geomorphology has rarely explored, which fail to explain the marshes degradation driven by natural restrictions in detail. The information…
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Artikel Jurnal
A novel mechanism-guided retrieval framework for mangrove chlorophyll content considering leaf area index and spectral resolution based on active learning hybrid model
Mangroves play a crucial role in coastal ecosystem, providing indispensable benefits such as sustaining biodiversity, sequestering carbon, and supporting global productivity. Nevertheless, the long-term survival of these critical habitats is jeopardized by a combination of anthropogenic pressures…
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Artikel Jurnal
Combination of UAV Hyperspectral and LiDAR Data for Classifying Karst Wetland Vegetation Species Using the AEL-Stacking and LIME
Karst wetlands play a crucial role in global biodiversity conservation, water regulation, and carbon sequestration. Accurate classification of wetland vegetation species is vital for the effective conservation and restoration of these ecosystems. However, the issue of the challenges arises from the…
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Artikel Jurnal
Retrieval of mangrove soil nutrients and their stoichiometry using diagnostic spectral bands and competitive partial least squares model
Mangroves constitute a globally critical coastal ecosystem, whose ecological functions are fundamentally governed by key soil nutrients (SOC, TN, and TP) and their stoichiometric ratios (C:N, C:P, and N:P). Their hyperspectral remote sensing retrieval remains challenging due to inherently weak…
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Artikel Jurnal
Assessment of mangrove health based on pressure–state–response framework in Guangxi Beibu Gulf, China
Mangroves, primarily found along tropical and subtropical coastlines, are crucial ecosystems that offer significant ecological services, including coastal protection, carbon sequestration, and biodiversity support. However, these ecosystems are under severe threat from human activities such as…
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Artikel Jurnal
A novel waveform-based pixel decomposition method for farmland shelterbelts width extraction using Sentinel−2 multi-spectral and UAV RGB images
As vital components of the Three-North Shelter Forest Program, farmland shelterbelts play a critical role in enhancing agricultural resilience. Among their structural attributes, shelterbelt width stands out as a key parameter that directly influences their ecological effectiveness. This study…
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Artikel Jurnal
Multi-scale evaluation of ecological restoration effects in the riparian zone using Landsat series images from 1980 to 2019
Quantitative evaluation of ecological restoration effects (EREs) is essential to provide operational feedback and implement adaptive management for future riparian restoration. This manuscript aims to develop a multi-scale evaluation method of EREs based on remote sensing observations, which uses…
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Artikel Jurnal
Exploring the influence mechanism of leaf area index and average leaf angle on mangrove canopy chlorophyll contents inversion using hyperspectral data
Accurate remote sensing inversion of mangrove canopy chlorophyll (Cab) is vital for dynamically monitoring ecosystem health. Yet canopy structure induces strong uncertainty in Cab inversion, complicating model development, parameter optimization, and inversion accuracy. To explore the influence of…
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Artikel Jurnal
Spatio‐Temporal Dynamics of Invasive Spartina Alterniflora and Its Functional Traits' Responding to Hydro‐Meteorology
Abstract Coastal wetlands represent one of the most critical ecosystem types worldwide, and offer a diverse array of vital ecosystem services. Large‐scale and rapid invasion of Spartina alterniflora (S. alterniflora) has imposed significant impacts on coastal wetland ecosystems and biodiversity…
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Artikel Jurnal Teks lengkap
Reconstruction of LoD-2 Building Models Guided by Façade Structures from Oblique Photogrammetric Point Cloud
Due to the façade visibility, intuitive expression, and multi-view redundancy, oblique photogrammetry can provide optional data for large-scale urban LoD-2 reconstruction. However, the inherent noise in oblique photogrammetric point cloud resulting from the image-dense matching limits further model…
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Artikel Jurnal
Estimation of daytime all-sky sea surface temperature from Himawari-8 based on multilayer stacking machine learning
The Himawari-8 satellite has the capability to rapidly retrieve sea surface temperature (SST) data at a high frequency of 10 min, demonstrating significant potential for various scientific applications. However, the presence of cloud often results in missing SST data at cloud locations, or can…