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7421
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7422
(RE) FAZENDO A MATÉRIA: projeto e seleção*
Published 2014-04-01“…Essa visão da manufatura em escala atômica – ‘de baixo-para-cima’ – quando associada a possibilidades radicais e especulativas da ‘máquina molecular’, tem se tornado uma abordagem predominante na fabricação de nanoestruturas ‘por projeto’. …”
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7423
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7424
Multiplicity of Solutions for Gradient Systems Using Landesman-Lazer Conditions
Published 2010-01-01Get full text
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7425
Monthly Water Level Prediction Based on ESMD-VMD-ESN Hybrid Model
Published 2022-01-01“…Water level sequence contain complex features of multiple frequency information.To improve the prediction accuracy of the water level sequences,a combined model was developed based on Extreme-point Symmetric Mode Decomposition (ESMD),Variational Mode Decomposition (VMD) and Echo State Network (ESN),namely ESMD-VMD-ESN.And it was applied to forecast water level of the Taipuzha station in the upper reaches of Taipu River.The predictive effect of the “first decomposition-second decomposition-prediction-reconstruction” model was explored by comparing it with a single model ESN and the combination model ESMD-ESN.The results show that ESMD-VMD-ESN has the highest accuracy,followed by ESMD-ESN,and the lowest ESN accuracy.Compared with the ESN,the Willmott's Index of Agreement (WIA) and Pearson Correlation Coefficient (PCC) of ESMD-ESN respectively increased by 51% and 11%,the Mean Absolute Error (MAE) and Root Mean Squard Error (RMSE) of ESMD-ESN respectively decreased by 14% and 45%.ESMD can effectively simplify the water level sequence and reduce the prediction error.Compared with the ESMD-ESN,the WIA and PCC of ESMD-VMD-ESN respectively increased by 5% and 10%,the MAE and RMSE of ESMD-ESN respectively decreased by 52% and 50%.VMD can further simplify the highest frequency component of ESMD and improving the model prediction accuracy.In conclusion,the combined model ESMD-VMD-ESN has well applicability and stability in the monthly water level prediction.…”
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7426
A Novel Excavation and Construction Method for an Extra-Long Underwater Tunnel in Soft Soils
Published 2021-01-01“…In this paper, a novel excavation and construction method is presented for the Taihu tunnel, which is the longest lake-crossing tunnel in China. …”
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7427
Mint essential oil: A natural and effective agent for controlling house dust mites.
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7428
O repensar social sem paliativos: retratos da marginalização em discussões de sala de aula
Published 2024-12-01“…Com a análise dos dados a partir da triangulação com foco no metafenômeno, transcorreu-se este estudo objetivando reflexões para a desconstrução da linearidade entre o ensino de Ciências e a formação para a cidadania, ao pluralizar a sociedade e enfatizar a formação de valores e atitudes cívicas, especialmente em contextos de comunidades de baixa renda. Evidencia-se a urgência em formações continuadas para professores que abordem a ética em contextos político-sociais, além de explicitar a deficiência das políticas públicas e a inserção do ‘estado paralelo’ em comunidades de baixa renda. …”
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7429
Inteligência Artificial em Contextos Restritos de Recursos
Published 2024-12-01“…Assim, este artigo de revisão focaliza implicações do uso da IA no ensino de Ciências, considerando os problemas da baixa proficiência científica e da baixa conectividade, que marcam o contexto educacional brasileiro. …”
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7430
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7431
Approximate solutions of equations defined by complex spherical multiplier operators
Published 2005-01-01Get full text
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7432
Africa at a turning point? : growth, aid, and external shocks /
Published 2008Table of Contents: Table of contents only
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7433
Attention-Guided Shared Hybrid Network for Enhanced Land Cover Segmentation
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7434
Tennis Assistance Technology Based on Dynamic Time Warping Algorithm
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7435
البحث المرئي (Visual Search) تقنية لاسترجاع المعلومات على شبکة الإنترنت: دراسة في آليات البحث والاسترجاع داخل محرکات البحث...
Published 2023-01-01“…وخلصت الدراسة إلى توافر إجمالي معايير (البحث والاسترجاع) بنسبة 68,75% في محرک البحث Bing Visual Search؛ يليه في ذلک کل من محرک البحث Google Image و Yandex بنسبة 65,62%، ثم محرک البحث TinEye بنسبة 59,37%، وأخيرًا محرک البحث Baidu بنسبة 53,12%. وتوصى الدراسة بإجراء مزيد من الدراسات الأکاديمية التي تعالج موضوع البحث المرئي، ومدى إمکانية تصميم، وإنشاء، وتطبيق محرکات بحث عربية لاسترجاع المعلومات المرئية الثابتة على شبکة الإنترنت؛ حيث يُعدَّ هذا المجال من المجالات الحديثة، والخصبة التي لم يتم التطرق إليها.…”
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7436
Aplicação da Lei de Stokes: um experimento didático em Fenômenos de Transporte
Published 2022-04-01“…O trabalho descreve um experimento com fins acadêmicos para a determinação da massa específica e da viscosidade dinâmica de um fluido por meio do Método de Stokes, um procedimento experimental simples e de baixo custo e que possibilita o processo de ensino/aprendizagem de conceitos diversos da área de Mecânica dos Fluidos, aplicada ao campo da Engenharia. …”
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7437
ANÁLISE DO MODELO FUNCIONAL - LUMINÁRIA LED: AVALIAÇÃO HEURÍSTICA E FOCUS GRUPO
Published 2018-01-01“…Na segunda fase aplica-se o focus group com 12 usuários de baixa renda, dividido em dois grupos. Um piloto com 4 usuários (feminino) e um grupo final com 8 usuários (masculino). …”
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7438
CausMatch: Causal Matching Learning With Counterfactual Preference Framework for Cross-Modal Retrieval
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7439
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7440
Phenotypic Plasticity in Gut Length in the Planktivorous Filter-Feeding Silver Carp (Hypophthalmichthys molitrix)
Published 2008-01-01“…In the present study, we studied the gut length plasticity of planktivorous filter-feeding silver carp under different food resources in large-net cage experiments in Meiliang Bay of Lake Taihu in 2004 and 2005. There was a significant difference in stocking density between these 2 years. …”
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