Results 51 to 60 of about 2,607 (224)

Solos ferruginosos em áreas de canga, sinclinal do gandarela, quadrilátero ferrífero (MG). [PDF]

open access: yes, 2015
O presente trabalho visa contribuir na caracterização de solos relacionados a áreas de canga (ferricrete, ironstone) no Quadrilátero Ferrífero (Minas Gerais, Brasil), para melhor entendimento sobre seus processos de gênese e da dinâmica ambiental desses ...
CARVALHO FILHO, A.   +5 more
core  

Caracterização e classificação de solos em uma topossequência sobre calcário na serra da Bodoquena, MS

open access: yesRevista Brasileira de Ciência do Solo, 2013
A serra da Bodoquena, localizada no Estado do Mato Grosso do Sul, apresenta particularidades nos seus solos, que diferem de outras regiões do bioma cerrado-pantanal.
Marcos Gervasio Pereira   +4 more
doaj   +1 more source

Spanish Intragastric Balloon Consensus Statement (SIBC): practical guidelines based on experience of over 20,000 cases.

open access: yesRevista Española de Enfermedades Digestivas, 2022
intragastric balloons (IGBs) are a minimally invasive, increasingly popular option for obesity treatment. However, there is only one worldwide guideline standardizing the technical aspects of the procedure (BIBC, SOARD 2018).to construct a practical guideline for IGB usage by reproducing and expanding the BIBC survey among the Spanish Bariatric ...
Coll E   +23 more
openaire   +3 more sources

Unidades de manejo para Pinus taeda L. com base na análise de agrupamento. [PDF]

open access: yes, 2012
Seção: Silvicultura e Produção de ...
BOGNOLA, I. A.   +3 more
core  

A 3‐D FDTD Methodology for Modeling the Propagation of VLF Whistler Mode PLHR Waves Through the Ionosphere

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 2, February 2025.
Abstract The finite‐difference time‐domain (FDTD) method was previously applied to high‐frequency electromagnetic wave propagation through 250 km of the F region of the ionosphere. That modeling approach was limited to electromagnetic wave propagation above the critical frequency of the ionospheric plasma, and it did not include the lower ionosphere ...
A. S. Pedgaonkar   +2 more
wiley   +1 more source

Propostas de revisão e atualização do Sistema Brasileiro de Classificação de Solos. [PDF]

open access: yes, 2017
Processo de revisão e atualização do Sistema Brasileiro de Classificação de Solos (SiBCS). Divulgação das propostas de alteração sobre critérios diagnósticos, conceitos e definições de atributos, bem como aquelas concernentes à reestruturação de classes ...
ANJOS, L. H. C. dos   +8 more
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A High‐Order Impedance Boundary Condition Enhanced Integral Equation Solver for Scattering From the Coated Bodies of Revolution

open access: yesElectronics Letters, Volume 61, Issue 1, January/December 2025.
A novel high‐order impedance boundary condition (HOIBC)‐enhanced integral equation solver is proposed for the analysis of electromagnetic scattering from bodies of revolution (BoR) with low‐index coatings. By leveraging BoR symmetry, the proposed BoR‐HOIBC method reduces unknowns, enhancing computational efficiency compared to traditional JMCFIE.
Jihong Gu, Shaoqing Guo, Dazhi Ding
wiley   +1 more source

Soil classification from visible/near-infrared diffuse reflectance spectra at multiple depths. [PDF]

open access: yes, 2012
: Visible/near-infrared diffuse reflectance spectroscopy (VNIRS) offers an alternative to conventional analytical methods to estimate various soil attributes.
DEMATTE, J. A. M.   +3 more
core  

Physics‐Informed Neural Networks Based on Unsupervised Learning for Multidomain Electromagnetic Analysis

open access: yesIET Electric Power Applications, Volume 19, Issue 1, January/December 2025.
This research proposes a novel numerical analysis method to employ PINNs based on unsupervised learning to solve multidomain problems. The discretised direct boundary integral equations are utilised to solve the physical quantity in the interface, and the multidomain problem can be transformed into multiple single‐domain problems.
Bingkuan Wan   +3 more
wiley   +1 more source

Classificação de organossolos no 5 e 6 níveis com base nas frações húmicas. [PDF]

open access: yes, 2014
Os organossolos têm como característica diagnóstica principal o teor alto de carbono orgânico e a prevalência de atributos associados mais do material orgânico do solo que ao mineral.
ANJOS, L. H. C. dos   +3 more
core  

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