Results 81 to 90 of about 173,982 (207)

Optical Absorption of an Interacting Many-Polaron Gas

open access: yes, 2000
The optical absorption of a many (continuum) polaron gas is derived in the framework of a variational approach at zero temperature and weak or intermediate electron-phonon coupling strength. We derive a compact formula for the optical conductivity of the
A. A. Shanenko   +50 more
core   +1 more source

POLÍTICAS EDUCACIONAIS E LDB

open access: yesRevista Ilustração
Este estudo analisou a evolução das políticas educacionais no Brasil, com foco nas mudanças introduzidas pela Lei de Diretrizes e Bases da Educação Nacional (LDB). O problema investigado foi como as alterações na LDB impactaram a qualidade da educação básica no Brasil. O objetivo geral foi analisar de forma crítica essas mudanças e avaliar seus efeitos.
Daniela Paula de Lima Nunes Malta   +4 more
openaire   +1 more source

The AI Innerve Algorithm: Automatic Reproducible Reading for Intraepidermal Nerve Fiber Density Analysis, a New Tool for Small‐Fiber Neuropathy Diagnosis

open access: yesEuropean Journal of Neurology, Volume 33, Issue 4, April 2026.
ABSTRACT Objectives To measure intra‐observer and interobserver correlations and reading times for visual and artificial intelligence algorithm‐assisted reading (innerve) of intraepidermal small nerve fiber density (IENFD) in skin biopsies. Methods We retrospectively selected 40 skin biopsy slides with PGP9.5/col4 double‐immunofluorescence labeling ...
C. Labeyrie   +11 more
wiley   +1 more source

O veto transverso de FHC à LDB: o ensino religioso nas escolas públicas

open access: yesEducação e Pesquisa
Resumo Este artigo analisa o processo de reforma da Lei de Diretrizes e Bases da Educação Nacional-LDB (9.394/1996), pela Lei 9.475/1997, acerca do ensino religioso nas escolas públicas.
Luiz Antônio Cunha
doaj   +1 more source

A Test Of Pre-Main-Sequence Lithium Depletion Models [PDF]

open access: yes, 2010
Despite the extensive study of lithium depletion during pre-main-sequence (PMS) contraction, studies of individual stars show discrepancies between ages determined from the Hertzsprung-Russell (H-R) diagram and ages determined from lithium depletion ...
Jensen, Eric L.N.   +1 more
core   +1 more source

Oxygen and glucose supplementation increases rates of linear growth and cell proliferation in growth‐restricted fetal sheep

open access: yesThe Journal of Physiology, Volume 604, Issue 7, Page 2778-2795, 1 April 2026.
Abstract figure legend Effects of sustained oxygen and glucose supplementation on growth and cellular proliferation in growth‐restricted fetuses. This study evaluated whether supplemental oxygen and glucose could improve growth rates in sheep fetuses with established fetal growth restriction (FGR). Following the induction of placental insufficiency and
Mariangel Varela   +9 more
wiley   +1 more source

Effects of Inoculating Lignin-Degrading Bacteria Isolated from Ruminant Rectum on In Vitro Rumen Diet Degradation

open access: yesFermentation
In ruminant nutrition, the lignocellulosic complex is a primary constraint limiting the utilization of dietary fiber. The objective of this study was to evaluate the effects of inoculating lignin-degrading bacteria (LDB) isolated from the ruminant rectum
Chatchai Kaewpila   +4 more
doaj   +1 more source

Lateral-distortional buckling of continuous steel-concrete composite beam

open access: yesRevista IBRACON de Estruturas e Materiais, 2018
In hogging bending moment regions of continuous composite beams the collapse by lateral-distortional buckling (LDB) can occur. The design against LDB according to ABNT NBR 8800:2008 begins with the determination of the elastic critical moment, which ...
T. V. AMARAL   +3 more
doaj   +2 more sources

Employing a New BVIc Photometric Survey of IC 4665 to Investigate the Age of this Young Open Cluster

open access: yes, 2010
We present a new, BVIc photometric survey of the young open cluster IC4665, which improves on previous studies of this young cluster by incorporating a rigorous standardization procedure, thus providing high-fidelity colors and magnitudes for cluster ...
Allain   +34 more
core   +1 more source

A nova LDB e as necessidades educativas especiais

open access: yesCadernos Cedes
São analisados os dispositivos referentes à educação especial na nova Lei de Diretrizes e Bases da Educação, que apontam uma ação mais ligada aos sistemas e programas do ensino regular.
Júlio Romero Ferreira
doaj   +1 more source

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