Search alternatives:
variational » variations (Expand Search)
Showing 3,181 - 3,200 results of 3,710 for search 'Variational integration methods', query time: 0.18s Refine Results
  1. 3181

    Research on Multi-Factor Coastal Waterway Depth Prediction and Application Based on Attention-Enhanced LSTM Model by LING Ganzhan, HAN Yu, WANG Jiawei, JIE Weiwei, TANG Ruikai, HU Jiakai, LIU Xiang, LIANG Guangyue, CAO Lu, LIANG Ming

    Published 2025-01-01
    “…This study proposes a water depth prediction model based on an attention-enhanced Long Short-Term Memory (LSTM) network, which is integrated into a decision-support platform for real-time management of channel transportation.MethodsFirst, key hydrological factors, including upstream discharge, daily rainfall, tidal current velocity, and tidal level, are incorporated to construct the LSTM-based coastal waterway depth prediction model. …”
    Get full text
    Article
  2. 3182

    Spatio-Temporal Characteristics and Driving Forces of Landscape Ecological Risks in Highly Urbanized Areas: A Case Study of Suzhou City by Lingyue LU, Dawei SHAO, Dianming WU

    Published 2025-07-01
    “…The formation mechanism, spatio-temporal heterogeneous driving effect and scale response law of LER in highly urbanized areas still need to be systematically explored.MethodsUtilizing multi-source data spanning the period from 1995 to 2020, including Landsat TM/ETM imagery, digital elevation model (DEM) and NASA datasets, this research focuses on exploring the characteristics of spatio-temporal variability of LER and corresponding drivers in Suzhou at the optimal scale, utilizing the LER evaluation model and the geographically and temporally weighted regression (GTWR) framework.Results1) The landscape pattern of Suzhou City is scale-dependent, with significant variations in the landscape pattern index for each land type at the optimal scale. …”
    Get full text
    Article
  3. 3183

    Global, regional, and national burden of maternal disorders, 1990–2021: a systematic analysis from the global burden of disease study 2021 by Jie Huang, Yuanyuan Man, Zan Shi, Xiaojie Fu, Wenhao Shi, Xiaoling Liang

    Published 2025-07-01
    “…Maternal mortality peaked at ages 20–24 globally, with variations in high-income regions (peaks at 25–34 years). …”
    Get full text
    Article
  4. 3184

    A comparative analysis of environmental differences in the level of cultural development indicators by Negin Fallah Haghighi, Ghasem Ramezanpour Nargesi, Gholamhossein Abdollahzadeh, Zeinab Sharifi

    Published 2023-09-01
    “…Hence, the study was conducted to measure regional differences in the level of cultural development indicators of the provinces to provide a clear picture of cultural facilities and services in the provinces to guide the budget to improve the cultural development of the country.Material and methods: The research method was based on the construction of a composite indicator, the linear norm method was used to free scale, the principal component analysis method to weigh the indicators, the TOPSIS method to construct a composite indicator of provincial development, coefficients of variation and Williamson to calculate inequality, and finally GIS software as well as hierarchical cluster analysis method to classify the level of development of the provinces were applied. …”
    Get full text
    Article
  5. 3185

    Genomic approach to evaluate the intrinsic antibacterial activity of novel diazabicyclooctanes (zidebactam and nacubactam) against clinical Escherichia coli isolates from diverse c... by Farah Al-Marzooq, Akela Ghazawi, Maitha Alshamsi, Abdulrahman Alzaabi, Omar Aleissaee, Hamad Almansoori, Abdullah Alsaadi, Rauda Aldhaheri, Hafsa Ahli, Lana Daoud, Amna Ahmad, Timothy Collyns, Seema Oommen

    Published 2025-06-01
    “…We aimed to correlate their antibacterial efficacy with the genomic characteristics of the strains. Methods: This study investigated 73 E. coli strains and tested them for susceptibility to different antibiotics, including DBOs. …”
    Get full text
    Article
  6. 3186
  7. 3187
  8. 3188

    The prevalence, patterns, and antifungal drug resistance of bloodstream infection-causing fungi in Sichuan Province, China (2019–2023): a retrospective observational study using na... by Jin Deng, Jin Deng, Jin Deng, Ya Liu, Ya Liu, Ya Liu, Ling Shu, Ling Shu, Ling Shu, Dan Zhou, Dan Zhou, Dan Zhou, Yi Xie, Yi Xie, Yi Xie, Ying Ma, Ying Ma, Ying Ma, Mei Kang, Mei Kang, Mei Kang

    Published 2025-07-01
    “…Our objective was to gain insights into regional differences in the distribution and resistance patterns of fungal pathogens.MethodsWe performed a retrospective analysis of fungal bloodstream infections (BSIs) from 31 hospitals (2019–2023). …”
    Get full text
    Article
  9. 3189
  10. 3190

    Estimation of long-term gridded cloud radiative kernel and radiative effects based on cloud fraction by X. Liu, T. He, Q. Wang, X. Xiao, Y. Ma, Y. Wang, S. Luo, L. Du, Z. Wu, Z. Wu

    Published 2025-06-01
    “…The sensitivity analysis results reveal that seasonal and interannual variations introduce GCF-CRK uncertainties of approximately 1 and 0.1 W m<span class="inline-formula"><sup>−2</sup></span> %<span class="inline-formula"><sup>−1</sup></span>, respectively, while spatial variations within the same latitude range can cause CRK uncertainties of 0.2–1.2 W m<span class="inline-formula"><sup>−2</sup></span> %<span class="inline-formula"><sup>−1</sup></span>. …”
    Get full text
    Article
  11. 3191

    Bridge Deflection Separation Prediction Model Based on DWT-LSTM and Its Engineering Application by ZHENG Shuai, JIANG He, WANG Zhongchang, DING Jia, YANG Yi

    Published 2025-01-01
    “…This paper proposes a deflection separation-prediction model for bridges by integrating wavelet optimization and long short-term memory networks, aiming to capture multi-scale features of deflection signals and account for external influences.MethodsFirstly, an Internet of Things monitoring system was employed to investigate deflection behavior in in-service bridges. …”
    Get full text
    Article
  12. 3192

    Difference analysis in the content of the total phenols, flavonoid, and anthocyanin of 149 accessions of hawthorn gremplasm resources by ZHAO Baipeng, CUI Mingqi, SUN Xinyu, WANG Yu, WANG Xiangxu, LIU Yuexue, ZHANG Xiao

    Published 2025-03-01
    “…A systematic evaluation method is needed for the diversity of bioactive components content in hawthorn fruit. …”
    Get full text
    Article
  13. 3193

    Constitutive model of metal rubber material considering plastic accumulation behavior by FENG Zhipeng, YANG Fang, FU Hailong, AI Shigang, WANG Yue, YUAN Liangyang

    Published 2025-01-01
    “…;In terms of theoretical modeling, this research innovatively integrates micro-unit spring theory with the Ludwik plasticity model to establish a constitutive model capable of precisely characterizing the nonlinear mechanical behavior of metal rubber. …”
    Get full text
    Article
  14. 3194

    Comparative efficacy studies of nine Chinese traditional patent medicines for the treatment of post-myocardial infarction heart failure: A Bayesian network by Fuyun Jia, Shengwei Gao, Qiaochu Zhu, Opoku Bonsu Francis, Rui Liu, Yadong Wang, Rui Zhang, Shichuan Chen, Zilian Zhan, Xi Zhang, Qiang Xu

    Published 2025-03-01
    “…There were no appreciable variations in safety between the groups treated with CWM alone and the ones treated with CTPMs plus CWM. …”
    Get full text
    Article
  15. 3195

    Regional patterns of genetic variants in expanded carrier screening: a next-generation sequencing pilot study in Fujian Province, China by Danhua Guo, Danhua Guo, Nani Zhou, Qianqian He, Qianqian He, Na Lin, Na Lin, Shuqiong He, Shuqiong He, Deqin He, Deqin He, Yifang Dai, Yifang Dai, Ying Li, Ying Li, Xuemei Chen, Xuemei Chen, Hailong Huang, Hailong Huang, Jia Jia, Hua Cao, Liangpu Xu, Liangpu Xu

    Published 2025-05-01
    “…BackgroundThis pilot study aimed to characterize the regional distribution of genetic variants associated with autosomal recessive and X-linked recessive (AR/XLR) conditions in Fujian Province, Southeast China, to inform the development of targeted carrier screening programs.MethodsAn expanded carrier screening (ECS) panel utilizing next-generation sequencing (NGS) technology was designed to analyze 332 genes associated with 343 AR/XLR conditions. …”
    Get full text
    Article
  16. 3196

    Multi-Stage Evaluation of Demolition and Reclamation Carbon Storage from "System Design-Construction-Quality Effect" Perspectives by Deng Pingping, Ye Changdong, Ke Chunpeng, Hu Yueming, Fu Xiaoping, Zhou Long

    Published 2025-07-01
    “…High-performing counties typically had clear task assignments, defined project timelines, integrated project management, and strong inter-program coordination. …”
    Get full text
    Article
  17. 3197

    Genotype–phenotype analysis and functional study of three novel LRP6 variants in non-syndromic oligodontia by Yunyun Yuan, Ya Zhao, Lingqiang Meng, Shuyun Zheng, Hui Li, Jiabao Ren, Beibei Li, Chenyun Dou, Yan Hou, Wenjing Chen, Jing Zhang, Jing Zhang, Yulin Ding, Yulin Ding, Wenjing Shen

    Published 2025-06-01
    “…Identified LRP6 variants underwent computational pathogenicity prediction using integrated bioinformatics tools. Subcellular localization patterns were analyzed via immunofluorescence microscopy. …”
    Get full text
    Article
  18. 3198
  19. 3199

    LC-QTOF-MSE with MS1-based precursor ion quantification and SiMD-assisted identification enhances human urine metabolite analysis by Alongkorn Kurilung, Suphitcha Limjiasahapong, Kwanjeera Wanichthanarak, Weerawan Manokasemsan, Khwanta Kaewnarin, Kassaporn Duangkumpha, Siriphan Manocheewa, Rossarin Tansawat, Roongruedee Chaiteerakij, Intawat Nookaew, Yongyut Sirivatanauksorn, Sakda Khoomrung

    Published 2025-01-01
    “…Untargeted retrospective profiling revealed level 1 seven metabolites, including ribitol, creatine, glucuronic acid, trans-ferulic acid, succinic acid, dimethylglycine, and 3-hydroxyphenylacetic acid related to sex variation (VIP > 1.5). In summary, the LC-QTOF-MSE method coupled with SiMD provides a robust and comprehensive workflow for metabolomics analysis. …”
    Get full text
    Article
  20. 3200

    Monitoring the Ecological Security of Esfahan with an Ecosystem Service Approach by Mostafa Keshtkar, Romina Sayahnia

    Published 2021-02-01
    “…This study aimed to investigate the variations of carrying capacity and ecological security with the approach of ecosystem services in the arid and semi-arid ecosystems of Esfahan city during 2000 – 2019. 2-Materials and Methods In order to estimate the effects of man-made pressures on natural resources in Esfahan city, consumption footprint pressure index (CFPI) and production footprint pressure index (PFPI) were used based on the concept of ecological footprint. …”
    Get full text
    Article