Results 41 to 50 of about 24,503 (207)

Avaliação e letramento: concepções de aluno letrado subjacentes ao SAEB e ao PISA Assessments and literacy: the notions of literate students that underpin SAEB and PISA

open access: yesEducação & Sociedade, 2002
Neste artigo, procuramos apresentar as concepções de letramento que servem de base para a construção das provas de duas avaliações em larga escala, a saber, o SAEB 1999 e o PISA 2000.
Alicia Bonamino   +2 more
doaj   +1 more source

Supershort avalanche electron beam in SF_{6} and krypton

open access: yesPhysical Review Accelerators and Beams, 2016
Runaway electrons play an important role in the avalanche formation in nanosecond- and subnanosecond- pulse discharges. In this paper, characteristics of a supershort avalanche electron beam (SAEB) generated at the subnanosecond and nanosecond breakdown ...
Cheng Zhang (章程)   +8 more
doaj   +1 more source

X-Rays from long laboratory sparks in air [PDF]

open access: yes, 2016
This collective book provides a review of research concentrated on runaway electron beams and X-rays in an inhomogeneous electric field with different gases at increased pressure.
Kochkin, Pavlo   +2 more
core   +2 more sources

Relationship between circulating levels of cortisol at slaughter and changes of some parameters of the camel meat during ageing [PDF]

open access: yes, 2019
Relationship between serum levels of cortisol at slaughter and changes of some parameters of meat was investigated in 50 male camels, during ageing for 10 days at 4±1°C.
Belhouari, Abderrahmane   +5 more
core   +1 more source

A Sustainable Borrowing Hydrogen Strategy in Natural Deep Eutectic Solvents for the N‐Alkylation of Amines From Alcohols

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 16, 25 April 2026.
A sustainable, ligand‐free Pd‐catalyzed borrowing hydrogen protocol in a biodegradable hydrophobic natural deep eutectic solvent (NADES) (thymol/DL‐menthol) enables the N‐alkylation of primary amines with benzylic alcohols under mild, aerobic conditions, allowing efficient reuse of both catalyst and solvent for seven consecutive cycles. The hydrophobic
Maryam Saeb   +5 more
wiley   +1 more source

Synthesis, Characterization, and Utilization of a Lignin-Based Adsorbent for Effective Removal of Azo Dye from Aqueous Solution [PDF]

open access: yes, 2020
How to effectively remove toxic dyes from the industrial wastewater using a green low-cost lignocellulose-based adsorbent, such as lignin, has become a topic of great interest but remains quite challenging.
Cai, Charles M   +11 more
core   +2 more sources

Achieving goal 02 of the United Nations' millennium development goals : problems and prospects for Brazil : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Education at Massey University [PDF]

open access: yes, 2007
To help fight inequalities and other factors that negatively affect its education system, the Brazilian government has signed many agreements with international agencies, among which are the Millennium Development Goals (MDGs) established by the United ...
Formiga, Marcela Figueiredo Nobre
core  

How Can Geography and Mobile Phones Contribute to Psychotherapy? [PDF]

open access: yes, 2017
Interdisciplinary relationships between Geography and Psychotherapy are an opportunity for innovation. Indeed, scientific works found on bibliographic databases and concerning this theme are scarce.
Aguilera, Adrián   +3 more
core   +1 more source

Indicators of mathematics learning over the last decade (2015-2025): an analysis of the SAEB assessment for 5th grade students in municipal schools in the capitals of the Southern region of Brazil

open access: yesAmazônia
This article aims to analyze mathematics learning indicators among 5th-grade elementary students who participated in the SAEB assessment in public schools located in the capital cities of Brazil’s Southern region.
Anderson Minosso
doaj   +1 more source

Possíveis contribuições da avaliação externa para a gestão educacional

open access: yesPolítica e Gestão Educacional, 2012
Explorar as possíveis contribuições da avaliação externa para a gestão educacional, apoiando-se no percurso do SAEB até a criação da Prova Brasil e do IDEB e também na pesquisa nacional "Bons resultados no índice de Desenvolvimento da Educação Básica ...
Cristiane Machado
doaj   +1 more source

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