Results 41 to 50 of about 20,012 (206)

Qualidade do óleo bruto dos grãos de girassol durante o armazenamento

open access: yesRevista Principia, 2022
O girassol (Helianthus annus L.) é uma das oleaginosas de maior importância na produção de óleo vegetal comestível, sendo seu uso comercial abrangente.
Thais Adriana de Souza Smaniotto   +5 more
doaj   +1 more source

Cinética de cristalização não-isotérmica de resíduos de polietileno de alta densidade (PEAD)

open access: yesPolímeros, 2014
Nesta investigação, diversos resíduos incolores ou coloridos pós-consumo de polietileno de alta densidade (PEAD) foram caracterizados através do índice de fluidez (MFI) e da calorimetria exploratória diferencial (DSC).
Helson Moreira da Costa   +3 more
doaj   +1 more source

Comparison of a reverse-transverse cross pin technique with a same side cross pin type II external skeletal fixator in 89 dogs [PDF]

open access: yes, 2015
The objective of this study was to determine whether a novel reverse-transverse cross pin insertion technique could increase the stability of type II external skeletal fixators (ESF) in dogs compared with an alternate, same side cross pin ESF.
Pead, M J, Tsai, K-Y
core  

Berry-phase treatment of the homogeneous electric field perturbation in insulators

open access: yes, 2001
A perturbation theory of the static response of insulating crystals to homogeneous electric fields, that combines the modern theory of polarization (MTP) with the variation-perturbation framework is developed, at unrestricted order of perturbation. First,
Gonze, Xavier, Nunes, R. W.
core   +1 more source

Long‐Run Stock Returns Following Internal Control Disclosures

open access: yesJournal of Business Finance &Accounting, Volume 53, Issue 1, Page 131-149, February 2026.
ABSTRACT We investigate whether investors underreact to material weakness disclosures in internal controls, leading to a subsequent negative stock return drift. Using SOX Section 302 disclosures (2007–2023), we find negligible market reaction around announcement dates but document economically large negative drift over the following two quarters ...
Al (Aloke) Ghosh   +3 more
wiley   +1 more source

Index Creation, Information Changes, and Financing*

open access: yesJournal of Accounting Research, Volume 63, Issue 5, Page 2181-2228, December 2025.
ABSTRACT We study how stock index inclusion affects corporate financing using a global sample of 198 index events—primarily new index launches—across 21 markets. Firms added to indexes issue more public debt but not equity, leading to a sustained increase in leverage.
VIDHAN K. GOYAL   +2 more
wiley   +1 more source

CARACTERÍSTICAS DE COMPÓSITOS LAMINADOS MANUFATURADOS COM POLIETILENO DE ALTA DENSIDADE (PEAD) E DIFERENTES PROPORÇÕES DE CASCA DE ARROZ E PARTÍCULAS DE MADEIRA [PDF]

open access: yesCiência Florestal, 2007
Este trabalho teve como objetivo avaliar a viabilidade da utilização de casca de arroz e partículas de madeira para a manufatura de compósitos, tendo como agente ligante o polietileno de alta densidade (PEAD).
Dalva Teresinha Pauleski   +3 more
doaj  

Efeito dos solventes orgânicos sobre o comportamento físico-químico do polietileno de alta densidade (PEAD) e polipropileno (PP)

open access: yesPolímeros, 2014
O mercado brasileiro de embalagens empregado ao armazenamento de petróleo e seus derivados vem crescendo a cada ano, sendo constituídas basicamente por polietileno de alta densidade (PEAD) e polipropileno (PP).
Thieres Magaive Costa Pereira   +5 more
doaj   +1 more source

Strategic techniques for upgrading bio‐oil from fast pyrolysis: a critical review

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 6, Page 2457-2473, November/December 2025.
Abstract Pyrolysis has been the subject of extensive scientific research due to its potential application to various waste streams and byproducts from different production systems. One of its main products is the liquid fraction known as bio‐oil – a complex material composed of a wide variety of organic molecules and a significant water content.
Luciana R Santos   +2 more
wiley   +1 more source

Modifications of Gait as Predictors of Natural Osteoarthritis Progression in STR/Ort Mice [PDF]

open access: yes, 2014
Objective. Osteoarthritis (OA) is a common chronic disease for which disease-modifying therapies are not currently available. Studies to seek new targets for slowing the progress of OA rely on mouse models, but these do not allow for longitudinal ...
Poulet, B   +10 more
core   +5 more sources

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