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Mostrando ítems 14221-14230 de 36851
Tratamento de esgoto e produção de água de reúso com o emprego de filtros de areia
(2012-12-01)
In this research it was studied a system composed by the anaerobic filter combined with a sand filter for the wastewater treatment. For this, three anaerobic filters were operated with hydraulic detention time of nine hours ...
Avaliação comparativa de segurança e eficácia para produtos de higiene íntima em mulheres na menopausa
(2013-10-01)
Background and objective: The menopause is the last menstrual period. A milestone in the climacteric, when major changes occurs in women's lives. The aim of this study was to evaluate the safety and efficacy in moisturizing ...
Sodium Hypochlorite and Chlorhexidine Downregulate MMP Expression on Radicular Dentin
(2021-10-08)
Objective: Matrix metalloproteinases (MMPs) are present in radicular dentin and can convert structural matrix proteins into signaling molecules; thus, these enzymes play an essential role in dentin biomineralization and ...
Potential of the insect growth regulator, fluazuron, in the control of Rhipicephalus sanguineus nymphs (Latreille, 1806) (Acari: Ixodidae): Determination of the LD95 and LD50
(Academic Press Inc. Elsevier B.V., 2012-05-01)
Conventional pesticides have suffered two main drawbacks: (a) broad spectrum of action and (b) selection of target species resistant to the different active ingredients. Thus compounds that are less harmful to the environment ...
Efeito de diferentes níveis de bicarbonate de sódio sobre a degradação in situ do bagaço de cana-de-açúcar auto-hidrolisado
(1997-05-01)
The objective of this work was to evaluate the buffering effects, using sodium bicarbonate (NaHCO3) at the levels: 0; 0.7; 1.4; and 2.1% of dry matter, on the in 51/11 degradation of autohidrolised sugar-cane bagasse. A ...
Germinação de sementes de stryphnodendron mart. osmocondicionadas
(2010-06-01)
The objective of this study was to evaluate the germination of seeds of three species of Stryphnodendron Mart. (Stryphnodendron adstringens (Mart.) Coville, S. obovatum Benth. and S. polyphyllum Mart.) under priming in ...
Effect of colletotrichum dematium var. Truncata and phomopsis sojae in sanitary and physiological quality of soybean seeds.Efeito de colletotrichum dematium var. Truncata e phomopsis sojae na qualidade sanitária e fisiológica de sementes de soja
(2007-01-01)
Several pathogens can affect the quality of soybean seeds. With the objective of evaluating the transport of fungi through seeds from soybean plants artificially inoculated in field conditions, with two isolates of C. ...
Recent advances in nanoparticle carriers for coordination complexes
(Bentham Science Publ Ltd, 2015-01-01)
Coordination compounds are substances in which a central metal atom is bonded to nonmetal atoms, or groups of atoms, called ligands. Examples include vitamin B-12, hemoglobin, chlorophyll, dyes and pigments, as well as ...
Evaluation of mechanochemical and hydrothermal transformations in a wet-milled alumina by transmission electron microscopy and thermal analysis
(2017)
© 2017 Trans Tech Publications, Switzerland.Milling and hydrothermal treatment of alumina powders in aqueous medium can result in surface transformations generating aluminum hydroxides. The aim of this work was to advance ...
Avaliação do impacto da primeira onda de COVID-19 na vazão e características físico-químicas do afluente em uma estação de tratamento de esgoto do município de Porto Alegre
(Universidade do Vale do Rio dos Sinos, 2020-11-11)
The main orientation for the population was social distance and as a way of meeting this orientation without stopping public services and companies, a considerable part of the workers adopted remote work. To assess the ...