Results 41 to 50 of about 146,457 (148)

Preparo de soluções. [PDF]

open access: yes, 2011
Introdução; Cuidados gerais no preparo das soluções; Concentração de soluções; Diluição de soluções; Transformações mais usadas; exercicios sobre calculos de ...
FREIRE, R. M. M.   +3 more
core   +1 more source

Lipid‐Based Nanoparticles for Time‐Release Delivery of Flavonoids

open access: yesJournal of Food Process Engineering, Volume 49, Issue 5, May 2026.
Lipid‐based nanocarriers enhance the stability, bioavailability, and controlled release of flavonoids. These systems improve encapsulation efficiency and protection against degradation, highlighting their potential for food and nutraceutical applications.
Ziane da Conceição das Mercês   +3 more
wiley   +1 more source

Hydrodynamics of Four Moments in the Life of a Floodplain Forest in Compound Channels

open access: yesWater Resources Research, Volume 62, Issue 4, April 2026.
Abstract Natural rivers often function as compound channels, comprising main channel and floodplain. Flow dynamics in these systems, particularly during floods, are influenced by factors such as vegetation, and flood intensity. Floodplain vegetation significantly modifies flow structures, affecting hydraulic conveyance and ecological functions.
Luiz E. D. de Oliveira   +6 more
wiley   +1 more source

Efeito da concentração, massa molar e temperatura nas propriedades reologicas de soluções de dextrenas [PDF]

open access: yes, 1988
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciencias Fisicas e MatematicasNeste trabalho é feito um estudo sobre as propriedades reológicas das soluções aquosas de dextranas. A viscosidade cisalhante nula é obtida em função
Maliska, Ana Maria
core  

Improved Thermal and Structural Performance of LDPE Reinforced With Bamboo Cellulose Nanocrystals via PE‐g‐MA Compatibilization

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 6, February 10, 2026.
Bamboo‐derived cellulose nanocrystals (CNCs) with polyethylene‐graft‐maleic anhydride (PE‐g‐MA) boost structural ordering and thermal stability in green low‐density green polyethylene (LDPE) composites. ABSTRACT This study investigates low‐density green polyethylene (LDPE) nanocomposites reinforced with bamboo‐derived cellulose nanocrystals (CNCs) and ...
Mariane Weirich Bosenbecker   +8 more
wiley   +1 more source

Análise da microdureza e das alterações morfológicas superficiais do esmalte decíduo humano, após a utilização da solução de diaminofluoreto de prata a 12% e 30% :: um estudo in situ / [PDF]

open access: yes, 1999
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde.Os objetivos deste estudo in situ foram avaliar as possíveis alterações quanto a microdureza e a morfologia superficial, de fragmentos de esmalte decíduo humano
Rastelli, Márcio Cristiano de Souza
core  

Dodecylamine-loaded halloysite nanocontainers for active anticorrosion coatings

open access: yesFrontiers in Materials, 2015
Currently the most promising approach in the corrosion protection by smart coatings is the use of nanoreservoirs loaded with corrosion inhibitors. Nanocontainers are filled with anti-corrosive agents and embedded into a primer coating. Future prospective
Jesus Marino Falcón   +2 more
doaj   +1 more source

Temporal dynamics of white matter hyperintensities related to Alzheimer's disease in adults with Down syndrome

open access: yesAlzheimer's &Dementia, Volume 22, Issue 2, February 2026.
Abstract INTRODUCTION White matter hyperintensities (WMH) are common in Down syndrome (DS), yet their longitudinal evolution and associations with Alzheimer's disease (AD) remain unclear. METHODS Longitudinal MRI study, including 80 DS adults and 53 euploid controls. WMH were segmented on serial FLAIR using a longitudinal pipeline.
Alejandra O. Morcillo‐Nieto   +24 more
wiley   +1 more source

Formação de micelas de cloreto de laurelcarnitina em soluções aquosas de etileno glicol [PDF]

open access: yes, 1982
Dissertação (mestrado) - Universidade Federal de Santa Catarina.
Probst, Luiz Fernando Dias
core  

Interface-web de sistema de informação para sociedades de intermediação financeira na Castro & Rocha - Soluções Informáticas, Ldª

open access: yes, 2004
Estágio realizado na Castro & Rocha - Soluções Informáticas, LdªRelatório do Estágio Curricular da LEIC 2003 ...
Esteves, Simão Pedro Oliveira
core   +1 more source

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