Suggested Topics within your search.
Suggested Topics within your search.
-
7981
Study on Swirling Flow and Spray Characteristics of Central Stage Direct Injection Combustor
Published 2025-06-01“…To investigate the physical phenomena interactions between airstream and liquid injection or droplets within a complex multi-stage swirl flow field, this study investigated the flow field and spray characteristics in a central stage direct injection combustor with a variety of optical diagnostic techniques, including using time-resolved particle image velocimetry (PIV) to measure the swirl flow field, using time-resolved planar Mie scattering (PMie) to measure the spray pattern, and using a laser particle size analyzer (LPSA) to measure the spray droplet size and its distribution. …”
Get full text
Article -
7982
Impact of Microtopography and Neighborhood Effects on Individual Survival Across Life History Stages
Published 2024-11-01“…While macro-scale factors influencing vegetation patterns are well documented, the combined impact of microtopographic variations and neighborhood effects at neighborhood scales, particularly in subtropical forests, requires further study. …”
Get full text
Article -
7983
Detection and mapping of Antarctic lichen using drones, multispectral cameras, and supervised deep learning
Published 2025-07-01“…The difficulty of accurately detecting lichens in Antarctic landscapes, due to their fine-scale spatial patterns and low spectral contrast, drives the need for high-resolution drone-based remote sensing imagery to develop and validate robust mapping methods. …”
Get full text
Article -
7984
An improved statistical bias correction method for Global Climate Model (GCM) precipitation projection: A case study on the CMCC-CM2-SR5 model projection in China’s Huaihe River Ba...
Published 2025-02-01“…The Expert Team on Climate Change Detection and Indices (ETCCDI) extreme precipitation indices and spatial patterns of extreme precipitation in July 2020 in the observations and bias-corrected data were then compared to evaluate the effectiveness of these methods on capturing precipitation extremes.New hydrological insights for the region: Results show that the LS-EDCDF method outperforms the other three methods in correcting monthly CDFs, reducing biases, and preserving extreme precipitation. …”
Get full text
Article -
7985
Development and Assessment of a New Multichannel Electrocutaneous Device for Non-Invasive Somatosensory Stimulation for Magnetic Resonance Applications
Published 2025-01-01“…Non-invasive electrocutaneous stimulation, which applies an electrical current flowing through the skin’s surface to elicit a tactile percept, can be used in combination with functional magnetic resonance imaging (fMRI) to obtain somatotopic maps that illustrate the spatial patterns and functional organization of the primary somatosensory cortex (S1). …”
Get full text
Article -
7986
Agricultural GDP exposure to drought and its machine learning-based prediction in the Jialing River Basin, China
Published 2025-02-01“…Subsequently, the standardized precipitation evapotranspiration index (SPEI) and standardized soil moisture index (SSMI) were applied to analyze the spatial-temporal patterns of droughts. Additionally, cropland exposure to drought was evaluated using gridded agricultural GDP data derived from pixel interpolation. …”
Get full text
Article -
7987
Vestibular Aqueduct and Temporal Bone Radioanatomy in Patients With and Without Meniere Disease: A Retrospective Cross-Sectional Analysis With Implications for Endolymphatic Sac Su...
Published 2025-05-01“…These variations and their spatial relationships with neighboring structures may pose technical challenges during endolymphatic sac surgery. …”
Get full text
Article -
7988
Global, regional, and national burden of heart failure and its underlying causes, 1990–2021: results from the global burden of disease study 2021
Published 2025-01-01“…This study aims to systematically analyze the global HF disease burden from 1990 to 2021 across temporal, spatial, and demographic dimensions to provide evidence for targeted prevention and control strategies. …”
Get full text
Article -
7989
Nationwide investigation on organophosphate esters and di-esters in raw grains from China: Distribution, sources, and implications for risk assessment
Published 2025-04-01“…In wheat, both OPEs and di-OPEs were significantly higher in Sichuan and Shandong provinces, whereas the spatial patterns of OPEs and di-OPEs in rice differed, suggesting separate sources for di-OPEs. …”
Get full text
Article -
7990
Cropland encroachment on ecological land in Mainland Southeast Asia leads to massive carbon emissions
Published 2025-05-01“…This study simulated MSEA’s land use patterns under SSP1-RCP2.6, SSP2-RCP4.5, and SSP5-RCP8.5 using the PLUS model with data from 1992 to 2022. …”
Get full text
Article -
7991
Changing epidemiology of leptospirosis in China from 1955 to 2022
Published 2025-03-01“…This study aimed to describe the spatial and temporal patterns and demographic characteristics of leptospirosis from 1955 to 2022 in China, and explore the possible factors that influence leptospirosis transmission risk. …”
Get full text
Article -
7992
Evaluation of global fire simulations in CMIP6 Earth system models
Published 2024-12-01“…They also capture the major features of observed spatial patterns and seasonal cycles, the relationship of fires with precipitation and population density, and the influence of the El Niño–Southern Oscillation (ENSO) on the interannual variability of tropical fires. …”
Get full text
Article -
7993
Advances in soil salinity diagnosis for mangrove swamp rice production in Guinea Bissau, West Africa
Published 2025-06-01“…Mangrove swamp cultivation is the most productive rice system in this area but is highly vulnerable to changes in rainfall patterns due to soil salinity. Diagnosing and identifying areas of high salinity concentration are essential strategies for adapting to climate change and mitigating its impacts. …”
Get full text
Article -
7994
Spatio-temporal dynamics of speleothem growth and glaciation in the British Isles
Published 2025-01-01“…A pronounced decline in speleothem growth coincides with the Last Glacial Maximum before broad reactivation during deglaciation and into the Holocene. Spatio-temporal patterns in speleothem growth between 31 and 15 ka agree well with the surface-deposit-based reconstruction of the last BIIS. …”
Get full text
Article -
7995
Migration history of Avicennia marina populations: a legacy of mangrove expansion on the Sunda Shelf
Published 2025-05-01“…Avicennia species exhibit a pronounced genetic structure following a stepping-stone migration model, with connectivity patterns linked to the strength and direction of ocean-surface currents. …”
Get full text
Article -
7996
Unraveling the assembly mechanisms and differentiated ecological functions of protist cell-associated and free-living bacterial communities during two Prorocentrum shikokuense bloo...
Published 2025-06-01“…This study employed 16S rRNA gene amplicon sequencing on size-fractionated samples to investigate community assembly, dynamics, and co-occurrence patterns of free-living and cell-associated bacterial communities during two Prorocentrum shikokuense (Dinophyceae) blooms in the East China Sea. …”
Get full text
Article -
7997
Tracking daily NO<sub><i>x</i></sub> emissions from an urban agglomeration based on TROPOMI NO<sub>2</sub> and a local ensemble transform Kalman filter
Published 2025-06-01“…The posterior daily emissions on the 3 km scale estimated by our inversion system not only provide insights into the fine-scale emission dynamic patterns but also improve air quality modeling on the kilometer scale.…”
Get full text
Article -
7998
DECIPHeR-GW v1: a coupled hydrological model with improved representation of surface–groundwater interactions
Published 2025-07-01“…Furthermore, our model reproduces temporal patterns of the groundwater level time series, with more than half of the wells achieving a Spearman correlation coefficient of 0.6 or higher when comparing simulations to observations. …”
Get full text
Article -
7999
Novel post-translational modification learning signature reveals B4GALT2 as an immune exclusion regulator in lung adenocarcinoma
Published 2025-02-01“…Within the PTMLS framework, B4GALT2 was identified as a crucial molecular component (r=0.82, p<0.05), and its heightened expression was linked to unfavorable clinical outcomes in LUAD cases, particularly in specimens exhibiting CD8-depleted phenotypes. The spatial distribution patterns between B4GALT2 and immune cell populations, specifically CD8+ T lymphocytes and CD20+ B lymphocytes, were elucidated through multiplexed immunofluorescence analysis. …”
Get full text
Article -
8000
Comparison on Hysteresis Loops and Dislocation Configurations in Fatigued Face-Centered Cubic Single Crystals
Published 2024-09-01“…The evolution of dislocation patterns follows a process from patch to ladder and from vein to wall. …”
Get full text
Article