Results 61 to 70 of about 607,815 (264)

Beyond Core‐Periphery: A Multidimensional Typology of Brazilian Regional Inventive Capacity

open access: yesGrowth and Change, Volume 57, Issue 1, March 2026.
ABSTRACT The geography of invention in Brazil is characterized by a profound and multi‐polarised structure that extends beyond a simple core‐periphery dichotomy. This paper demonstrates this complexity through a multidimensional analysis of inventive capacity (2000–2023), operationalised along four axes—‘how much’, ‘who’, ‘how’, and ‘what’ is invented ...
Ludmilla Rodrigues Costa Gonçalves   +1 more
wiley   +1 more source

Comparative evaluation of properties of a clay based ceramic shaped via four techniques

open access: yesCerâmica
The results of qualitative and quantitative properties of clay based ceramic are presented in this work. Four different shaping methods and sintering temperatures were used to understand their influence in the final properties of a ceramic material ...
C. I. Torres   +4 more
doaj   +1 more source

Bauxitas refratárias: composição química, fases e propriedades - Parte I Refractory bauxites: chemical composition, phases and properties - Part I

open access: yesCerâmica, 2000
A bauxita apresenta uma ampla faixa de aplicações industriais, de acordo com sua composição química e mineralógica. No setor de refratários, esta matéria-prima tem adquirido grande importância, uma vez que pode substituir parcial ou totalmente agregados ...
C. Pascoal, V. C. Pandolfelli
doaj   +1 more source

Propriedades nutraceuticas do pólen português [PDF]

open access: yes, 2011
AnexoO pólen apícola e um aglomerado de pólen de flores de varias fontes vegetais, os quais são recolhidos pelas abelhas e misturados com néctar e secreções das glândulas hipofaringeanas, como as enzimas α e β-glicosidase.
Dias, Teresa   +3 more
core  

Effect of a Spray Containing Occlusive Agents, Humectants and Physiological Lipids on Skin Hydration of Healthy Dogs When Applied After Bathing With a Chlorhexidine 2%/Miconazole 2% Shampoo

open access: yesVeterinary Dermatology, Volume 37, Issue 1, Page 140-147, February 2026.
Background: Normal hydration of the canine epidermis is imperative for cutaneous homeostasis. Xerosis may be encountered in canine atopic dermatitis and may be aggravated by topical antiseptics. Hypothesis and Objectives: To evaluate the hydrating properties and the safety of a spray (Sensiderm spray; MP Labo) when applied after shampooing healthy dogs
Adamantia Pseftogka   +3 more
wiley   +1 more source

Sewage sludge ash (SSA) in high performance concrete: characterization and application

open access: yesRevista IBRACON de Estruturas e Materiais
Sewage sludge originated from the process of treatment of wastewater has become an environmental issue for three main reasons: contains pathogens, heavy metals and organic compounds that are harmful to the environmental and human health; high volumes are
C. M. A. Fontes   +2 more
doaj   +1 more source

Incorporação de coque de petróleo em cerâmica vermelha Incorporation of petroleum coke into red ceramic

open access: yesCerâmica, 2011
Este trabalho tem por objetivo avaliar o efeito da incorporação do coque de petróleo nas propriedades físicas e mecânicas de cerâmica vermelha. Composições foram preparadas com 0%, 1%, 2% e 4% em peso de coque de petróleo incorporado numa massa argilosa ...
L. A. de Freitas   +3 more
doaj   +1 more source

Physiological roles of lignins – tuning cell wall hygroscopy and biomechanics

open access: yesNew Phytologist, Volume 248, Issue 6, Page 2674-2706, December 2025.
Summary Lignins constitute the second most abundant carbon‐storing biopolymers in the biosphere. These phenolic polymers accumulate in different concentrations, compositions, and localisations within and between cell wall layers and cell types. Lignins were acquired during plant terrestrialisation 450 million years ago, and the diversification of their
Edouard Pesquet   +3 more
wiley   +1 more source

ANÁLISE COMPARATIVA DAS PROPRIEDADES FÍSICAS E MECÂNICAS DA MADEIRA DE TRÊS CONÍFERAS DE FLORESTAS PLANTADAS [PDF]

open access: yesCiência Florestal, 2000
Madeiras provenientes de florestas plantadas de Araucaria angustifolia, Pinus elliottii e Pinus taeda submetidas a, pelo menos, um desbaste, foram testadas com o objetivo de comparar suas propriedades físicas e mecânicas.
Elio José Santini   +2 more
doaj  

POTENCIAL DA MEMBRANA AMNIÓTICA HUMANA NA ODONTOLOGIA

open access: yesRevista UniVap, 2016
A membrana amniótica (MA) humana tem sido utilizada como biomaterial para reconstruções cirúrgicas há quase 100 anos, e mais recentemente, para o tratamento de doenças inflamatórias e degenerativas, em diversas áreas incluindo dermatologia, cirurgia, e ...
Paula Cristina Santos Alves   +1 more
doaj   +1 more source

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