De Souza Andrei (15 results)

- Softcover
Seller: Books Puddle, Woodside, NY, U.S.A.Books Puddle
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- Softcover
Seller: moluna, Greven, Germanymoluna
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Toxic element content in commercial yerba mate infusion: Evaluation of element content in yerba mate
- Softcover
Seller: Mispah books, Redhill, SURRE, United KingdomMispah books
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paperback. Condition: New. NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

- Softcover
Seller: moluna, Greven, Germanymoluna
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A gênese do Núcleo de Inovação Acadêmica da Cruzeiro do Sul: O desafio da formação docente em Metodologias Ativas
Tavares de Menezes dos Santos, Regina/ Messias Souza, Alberto/ Andrei Ota, Marcos
- Softcover
Seller: Revaluation Books, Exeter, United KingdomRevaluation Books
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Paperback. Condition: Brand New. 56 pages. 8.66x5.91x0.13 inches. In Stock.

A gênese do Núcleo de Inovação Acadêmica da Cruzeiro do Sul
Regina Tavares de Menezes dos Santos|Alberto Messias Souza|Marcos Andrei Ota
- Softcover
Seller: moluna, Greven, Germanymoluna
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- Softcover
Seller: moluna, Greven, Germanymoluna
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Condition: New.

- Softcover
Seller: moluna, Greven, Germanymoluna
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- Softcover
- Print on Demand
Seller: Majestic Books, Hounslow, United KingdomMajestic Books
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- Softcover
- Print on Demand
Seller: Biblios, frankfurt am main, HESSE, GermanyBiblios
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Condition: New. PRINT ON DEMAND.

- Softcover
- Print on Demand
Seller: moluna, Greven, Germanymoluna
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£ 37.86
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Dors PriscillaForest engineer graduated in 2014 from UDESC/Cav, master in soil science, with a concentration area in Chemistry and mineralogy, PhD student in soil science at the same university and academic of the Chemistry course. S.…

- Softcover
- Print on Demand
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This work aimed to quantify the contents via acid digestion and soluble in infusion of the essential elements Ca, Mg, N, Cu, Mn and Zn of the toxic elements Al, Cd and Pb in four brands of yerba mate commercialised in the city of Lages-SC. For the total content, nitro-perchloric digestion was used, according to the Manual of Methods of Tissue Analyses used at Embrapa and for the total N content, the sulphuric digestion method was used. For the infusion, 1.5 g of yerba mate was weighed into 10 ml of deionised water, with a contact time of 10 minutes, at temperatures of 70, 80 and 90 °C. The quantification of the elements was performed in ICP-OES. On average, the highest contents obtained for all elements in infusion was at 70 °C. The nutrients Ca, Mg, N, Cu, Mn and Zn were transferred to the mate. The Cd contents in infusion are above the maximum values allowed by legislation for infusions. However, for Pb content, only the M4 brand is above the permitted.…

- Softcover
- Print on Demand
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Este trabajo tuvo como objetivo cuantificar el contenido vía digestión ácida y soluble en infusión de los elementos esenciales Ca, Mg, N, Cu, Mn y Zn de los elementos tóxicos Al, Cd y Pb en cuatro marcas de yerba mate comercializadas en la ciudad de Lages-SC. Para el contenido total se utilizó la digestión nitro-perclórica, de acuerdo con el Manual de Métodos de Análisis de Tejidos utilizado en Embrapa y para el contenido total de N se utilizó el método de digestión sulfúrica. Para la infusión, se pesó 1,5 g de yerba mate en 10 ml de agua desionizada, con un tiempo de contacto de 10 minutos, a temperaturas de 70, 80 y 90 °C. La cuantificación de los elementos se realizó en ICP-OES. Por término medio, el contenido más alto obtenido para todos los elementos en infusión fue a 70 °C. Los nutrientes Ca, Mg, N, Cu, Mn y Zn se transfirieron al mate. Los contenidos de Cd en infusión están por encima de los valores máximos permitidos por la legislación para infusiones. Sin embargo, para el contenido de Pb, sólo la marca M4 está por encima de lo permitido.…

- Softcover
- Print on Demand
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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£ 52.81
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Ce travail visait à quantifier les teneurs par digestion acide et soluble dans l'infusion des éléments essentiels Ca, Mg, N, Cu, Mn et Zn des éléments toxiques Al, Cd et Pb dans quatre marques de yerba mate commercialisées dans la ville de Lages-SC. Pour le contenu total, la digestion nitro-perchlorique a été utilisée, conformément au Manuel des méthodes d'analyse des tissus utilisé à l'Embrapa, et pour le contenu total en N, la méthode de digestion sulfurique a été utilisée. Pour l'infusion, 1,5 g de yerba mate a été pesé dans 10 ml d'eau désionisée, avec un temps de contact de 10 minutes, à des températures de 70, 80 et 90 °C. La quantification des éléments a été réalisée en ICP-OES. En moyenne, les teneurs les plus élevées obtenues pour tous les éléments dans l'infusion l'ont été à 70 °C. Les nutriments Ca, Mg, N, Cu, Mn et Zn ont été transférés au maté. Les teneurs en Cd dans les infusions sont supérieures aux valeurs maximales autorisées par la législation pour les infusions. Cependant, en ce qui concerne la teneur en Pb, seule la marque M4 est supérieure aux valeurs autorisées.…

- Softcover
- Print on Demand
Seller: moluna, Greven, Germanymoluna
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£ 47.87
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Dors PriscillaForstingenieurin, Abschluss 2014 an der UDESC/Cav, Master in Bodenkunde mit Schwerpunkt Chemie und Mineralogie, Doktorandin in Bodenkunde an derselben Universitaet und Akademikerin im Studiengang Chemie. Sie beschaeftigt .…