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381
Chaotic numerical instabilities arising in the transition from differential to difference nonlinear equations
Published 2000-01-01“…For computational purposes, a numerical algorithm maps a differential equation into an often complex difference equation whose structure and stability depends on the scheme used. …”
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382
Investigating effective support mounts for fans during display by exploring new technologies
Published 2012-06-01“…At present making mounts for fans is complex and time consuming due to the layering and structure of fans, and the need for accuracy if the mount is to support the fan sufficiently. …”
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383
Statistical indices from bifactor models
Published 2017-06-01“…However psychological traits are often complex and contain domain specific manifestations. …”
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384
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385
Using Community Engagement to Create a Telecoaching Intervention to Improve Self-Management in Adolescents and Young Adults With Cystic Fibrosis: Qualitative Study
Published 2025-01-01“…Step 2 qualitative results generally suggested that community partners perceived the feasibility and practicality of the proposed telecoaching intervention in promoting self-management in the face of complex treatment regimens. …”
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386
The biogenesis, regulation and functions of transitive siRNA in plants
Published 2024-09-01“…In Arabidopsis thaliana, two RDRs participate in the generation of transitive siRNAs, acting cooperatively with various siRNA generation-related factors, such as the RNA-induced silencing complex (RISC) and aberrant RNAs. Transitive siRNAs are produced in diverse subcellular locations and structures under the control of various mechanisms, highlighting the intricacies of their biogenesis and functions. …”
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387
Model Modification of the Mill Transmission System Based on the PSO-BP Neural Network
Published 2024-02-01“…Aiming at the complexity of the mill transmission system structure, the uncertainty of the constraint conditions among the components and the nonlinearity, a finite element model correction method based on the PSO-BP neural network is proposed in this study. …”
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388
Native Cyclodextrin-Based Metal–Organic Frameworks (MOFs): Synthesis, Characterization, and Potential Applications in Food Industry
Published 2025-01-01“…Metal–organic frameworks (MOFs) have become a highly usable system in various sectors because of their highly ordered structure and high porosity providing them with high storage capacity. …”
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389
Collective Deformation Modes Promote Fibrous Self-Assembly in Deformable Particles
Published 2025-02-01“…Despite this observation, the general relationship between the individual characteristics of the particles and the overall structure of the aggregate is not understood. …”
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390
Efficient Anomaly Detection Algorithm for Heart Sound Signal
Published 2024-01-01“…Second, we augmented the model’s capability to extract the frequency-domain features of heart-sound signals by incorporating a discrete convolutional mapping structure. This structure utilizes discrete cosine transformation in conjunction with convolutional projection to acquire feature matrices, thereby improving classification accuracy. …”
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391
Models, systems, networks in economics, engineering, nature and society
Published 2024-11-01“…A study of the directions of transformation of logistics processes associated with the development of e-commerce and changes in consumer habits made it possible to determine that logistics at the last mile stage is one of the most important and at the same time complex links in supply chain management of modern organizations. …”
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392
TDCN: A novel temporal depthwise convolutional network for short-term load forecasting
Published 2025-04-01“…While numerous STLF models have been developed, many of these models are complex hybrid structures that struggle with issues such as overfitting, stacking errors, high computational costs, and suboptimal generalization. …”
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393
State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives
Published 2018-01-01“…This paper presents the state of the art on asphalt and asphalt mixture aging and use of antioxidant additives to retard the aging. A picture of complex molecular structure of asphalt and its changes due to atmospheric condition and various protocols used to simulate aging in laboratory environment are also discussed. …”
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394
The distrubution of immune system cells in bursa of fabricius of partridge (alectoris chukar)
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395
SIMULATION OF EFFECTS OF GRAIN DISTRIBUTION MORPHOLOGY ON FATIGUE BEHAVIOR OF SHORT CRACKS AT WELD TOE (MT)
Published 2023-01-01“…Fatigue cracks of the welded structure often initiate at the weld toe. Under the complex metallurgical-physical process, the grain sizes and their distribution morphology at the weld toe site show obvious variation. …”
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396
Crisis of the EU Eastern Policy
Published 2014-08-01“…The article analyses key misperceptions of the actors involved in the complex of interactions in the region. The structure is complicated by the deepening and widening of Russia-lead Eurasian integration project. …”
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397
Effects of personalized 3D-printed blocks in total knee arthroplasty and revision surgery for massive bone defects: a single-center retrospective study
Published 2025-01-01“…Objective To analyze the early- to mid-term clinical efficacy of personalized 3D-printed structural metal spacer technology in reconstructing massive bone defects during complex total knee arthroplasty (TKA) and revision surgery. …”
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398
Advances in the carbon-ceramic composites oxidation and ablation resistance: A review
Published 2025-01-01“…It is demonstrated that a promising approach for improving developments is the introduction of additional refractory components, which facilitate the formation of solutions with the structure of Me1-xTixO2, Me1-yTayO2+0.5y, Me1-yNbyO2+0.5y, and/or complex compounds such as Me6Ta2O17, Me6Nb2O17 and so on during operation. …”
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399
Fusion of Focal Loss’s cyber threat intelligence entity extraction
Published 2022-07-01“…Cyber threat intelligence contains a wealth of knowledge of threat behavior.Timely analysis and process of threat intelligence can promote the transformation of defense from passive to active.Nowadays, most threat intelligence that exists in the form of natural language texts contains a large amount of unstructured data, which needs to be converted into structured data for subsequent processing using entity extraction methods.However, since threat intelligence contains numerous terminology such as vulnerability names, malware and APT organizations, and the distribution of entities are extremely unbalanced, the performance of extraction methods in general field are severely limited when applied to threat intelligence.Therefore, an entity extraction model integrated with Focal Loss was proposed, which improved the cross-entropy loss function and balanced sample distribution by introducing balance factor and modulation coefficient.In addition, for the problem that threat intelligence had a complex structure and a wide range of sources, and contained a large number of professional words, token and character features were added to the model, which effectively improved OOV (out of vocabulary) problem in threat intelligence.Experiment results show that compared with existing mainstream model BiLSTM and BiLSTM-CRF, the F1 scores of the proposed model is increased by 7.07% and 4.79% respectively, which verifies the effectiveness of introducing Focal Loss and character features.…”
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400
L’accommodation dans le débat politique britannique Question Time. Quelle modélisation pour quelles stratégies ?
Published 2017-11-01“…This article explores the notion of accommodation in a corpus composed of transcripts of the panel debate Question Time. Accommodation is generally considered as a multi-faceted notion, originating from sociolinguistics and psychology. …”
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