Results 31 to 40 of about 1,296,721 (228)
BIOTECNOLOGÍA APLICADA A LA DEGRADACIÓN DE COLORANTES DE LA INDUSTRIA TEXTIL
Ecosistemas y Recursos Agropecuarios, 2014 La presencia de colorantes en las aguas residuales representa un problema ambiental, ya que este tipo de compuestos no puede eliminarse con los métodos de tratamiento convencionales.
A Cortazar-Martínez +5 more
doaj +1 more source
Mineral carbonation of ceramic brick at low pressure and room temperature. A simulation study for a superficial CO2 store using a common clay as sealing material [PDF]
, 2018 This research explores the possibilities of CO2 sequestration on ceramic bricks in a short time and at surface conditions. The experiment was carried out in a specially designed reaction chamber, filled with brick wastes and sealed with common clays. The
Aparicio Fernández, Patricia +2 more
core +1 more source
, 2018 The Barcelona Granitic Pluton (BGP) is located at the extreme northeastern portion of the Borborema Province, west of Sao Jose do Campestre Domain, and is presumed to be older Ediacaran.
Rogério Cavalcante +3 more
semanticscholar +1 more source
Journal of Chemistry, 2014 This paper presents the results concerning the first use of activated composite membranes (ACMs) for the facilitated transport of silver ions containing di-(2-ethylhexyl)-dithiophosphoric acid (DTPA) as the carrier.
Yucundo Mendoza-Tolentino +4 more
doaj +1 more source
AVALIAÇÃO DA QUALIDADE DE PILHAS ALCALINAS E ZINCO-CARBONO DE DIFERENTES PROCEDÊNCIAS
Eclética Química, 2018 This work presents a study on the chemical composition of spent batteries manufactured in Brazil and Asian countries. The goal was to compare the quality of these products. Samples were disassembled prior to chemical characterization. The Asian batteries
Leonardo Henrique Coimbra Vieira +5 more
doaj +1 more source
BENEFICIAMENTO E CARACTERIZAÇÃO DE QUARTZO PARA OBTENÇÃO DE SILÍCIO GRAU METALÚRGICO
Holos, 2012 Este trabalho descreve as etapas de caracterização e purificação de quartzo para obtenção de um silício grau metalúrgico (SiGM) com baixo nível de impurezas.
Livia Gonçalves Leida Soares +5 more
doaj +1 more source
Determination of Lipoxygenase Activity in Cereals Grains Using a Silver Nanoparticles Assay
Journal of Chemistry, 2015 A spectrophotometric method based on the use of silver nanoparticles is presented for the determination of lipoxygenase activity in cereal grains.
Raybel Muñoz +4 more
doaj +1 more source
SINTESE DA FASE SODALITA COM O USO DO CAULIM DA REGIÃO BORBOREMA-SERIDÓ (RN/PB) ATIVADO TERMICAMENTE
Holos, 2012 A fase mineral sodalita foi obtida com sucesso a partir de reações hidrotérmicas com o uso de caulim proveniente da região Borborema-Seridó (RN/PB), hidróxido e carbonato de sódio.
Cássia Guerra Marques Santos +6 more
doaj +1 more source
Petrografia e química mineral do Stock Granítico Serra do Barriga (Sobral, CE, nordeste do Brasil)
, 2017 The Serra do Barriga Granitic Stock (SGSB), located at NNW of the Ceara, northeast of Brazil, presents faciological variation that permits commercial exploitation in four types of ornamental rocks: Rosa Iracema (RI), Rosa Olinda (RO), Branco Savana (BS ...
Irani Clezar Mattos +2 more
semanticscholar +1 more source
Desalination and Water TreatmentPeperomia scandens (Ps.), an aquatic plant from the Piperaceae family with over 1500 species, has not been previously studied for its ability to remove contaminants from wastewater. Notably, Ps.
A. Hernández-Sánchez +5 more
doaj +1 more source