Black Powder
Mostrando 1-12 de 15 artigos, teses e dissertações.
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1. Comparison of total phenol content and antioxidant activity of herbal infusions with added Stevia reabaudiana Bertoni
Abstract Antioxidant capacity (AC) was determined by the ABTS method and DPPH, and total phenol content (TPC) in dehydrated plant material, in infusions and in residues (plant material after preparing the infusion) of white, black, red, green, spearmint, stevia, lemon grass and chamomile teas to which stevia leaves were added or not added; addition of proces
Food Sci. Technol. Publicado em: 2020-03
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2. Comparison of total phenol content and antioxidant activity of herbal infusions with added Stevia reabaudiana Bertoni
Abstract Antioxidant capacity (AC) was determined by the ABTS method and DPPH, and total phenol content (TPC) in dehydrated plant material, in infusions and in residues (plant material after preparing the infusion) of white, black, red, green, spearmint, stevia, lemon grass and chamomile teas to which stevia leaves were added or not added; addition of proces
Food Sci. Technol. Publicado em: 04/11/2019
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3. Effects of Curcuma longa rhizome on growth, skin pigmentation, and stress tolerance after transport of Trichogaster labiosa
ABSTRACT We aimed to evaluate the effects of Curcuma longa as growth promoter, skin pigmentation enhancer, and stress reducer in diets of Trichogaster labiosa after transport. We used five diets containing 0.0, 1.0, 5.0, 10.0, and 25.0 g kg−1 of turmeric rhizome powder. We observed quadratic effects of turmeric supplementation for feed intake, weight gain,
R. Bras. Zootec.. Publicado em: 04/04/2019
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4. Sensory acceptability and fatty acid profile of fish crackers made from Carassius gibelio
Abstract In this study, our aim was to consider the production of fish crackers using Carassius gibelio and to investigate the fatty acid profile and sensory quality of the fish crackers. Fish cracker mixture with a ratio 3.5:1.5 (minced fish/wheat starch) was obtained. Based on the total minced fish and starch level, 1.75% salt, 0.25% black pepper, 2% sunfl
Food Sci. Technol. Publicado em: 04/12/2015
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5. Antioxidant activities of kombucha prepared from three different substrates and changes in content of probiotics during storage
Kombucha is a health-promoting fermented beverage worldwide. The present study compared the free-radical scavenging abilities and total reducing power (TRP) of kombucha prepared from low-cost green tea (LGTK), black tea (BTK), and tea powder (TPK). LGTK had the highest scavenging abilities against 2,2-diphenyl-1-picrylhydrazyl (DPPH), superoxide anion and hy
Food Sci. Technol. Publicado em: 25/03/2014
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6. Filtração de gases a altas pressões
A filtração de gases é uma importante operação industrial com o principal intuito de remover as partículas sólidas indesejadas contidas em um determinado gás. A filtração de gases a altas pressões é uma operação muito utilizada na indústria de gás natural com o objetivo de separar as impurezas denominadas pó preto, provenientes da oxidação
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/10/2012
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7. Catalytic materials based on Pt, Pb and carbon powder to the oxidation of formic acid in acid medium / Materiais catalíticos baseados em PT, PB e pó de Carbono para a oxidação de ácido fórmico em meio ácido
Proton Exchange Membrane Fuel Cell (PEMFC) that operates with formic acid as fuel (Direct Formic Acid Fuel Cell, DFAFC) constitutes a promising power source to be used in portable devices. In this context, this work aims to find efficient anodes to be used in this kind of system. All materials, based in Pt, Pb and carbon black were synthesized by the Sol-Gel
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 19/02/2009
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8. Tecnologia do Pó de Turmalina Preta
The black tourmaline powder of shorlite-dravite series, NaFe3Al6(Si6O18)(BO3)3(OH)3OH, has been used in agricultures and in the production of cosmetics, paints, tissues, water and air purifiers. The pyroelectricity and the emission of far infrared radiation of tourmaline are the main properties explored by most products. The black tourmaline shows significan
Publicado em: 2008
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9. Estudo comparativo da densidade radiográfica de diferentes cimentos odontológicos restauradores à base de ionômero de vidro. / Comparative Study of different density radiographic restorative dentistry cement- based glass ionomer.
Glass ionomer cements are generally represented by a combination of a powder, which main components are alumina (Al2O3 ), silica (Si2O3 ) and calcium fluoride (CaF2 ), and a liquid, which is an aqueous solution basically compound of polyacrilic acid and tartaric acid. Its excellent features have been described since the 1960s, and some of these are the radio
Publicado em: 2007
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10. Pechini synthesis and microstructure of nickel-doped copper chromites
Spinel-type solid solutions were synthesized by the Pechini method and calcined between 500 and 900 °C for 4 hours and at 900 °C for 8 hours to produce ceramic pigments. The resulting powders were characterized by thermogravimetric analysis, Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), particl
Materials Research. Publicado em: 2005-06
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11. Large scale low cost production of submicrometric powder through biomass refinery
Biomass Refinery (BR) is a null pollution thermochemical sequential cracking of any biomass and some petrochemical products, which generates chemicals, liquid or solid fuels and inorganic submicrometric/nanometric powders (SM/NM) such as ashes, silica, and carbon black. The processing route, powder characterisation and addition of some ashes to red clay resu
Materials Research. Publicado em: 2003-06
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12. Evaluation of the Removal of the Corante Remazol Black B in Effluent TÃxteis Using as Adsorvente the Mesocarpo of the Green Coconut / AvaliaÃÃo da RemoÃÃo do Corante Remazol Black B em Efluentes TÃxteis Utilizando como Adsorvente o Mesocarpo do Coco Verde
In the textile industry dyes i excess used in the coloring processes are eliminated with the effluents causing serious environmental problems. So, to control pollution great efforts are being innested to remove these dyes from the effluents. One technique usually adopted is adsorption, as it has lower costs when compared to other. On this work mesocarp powde
Publicado em: 2003