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Estudo do efeito do tamanho de grão no comportamento mecânico do latão 60-40
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia de MateriaisUTFPR, 2020-11-30)
Copper alloys, such as 60/40 brass, have excellent hot workability, good mechanical properties and excellent recyclability. For these reasons they are applied in the manufacture of plates, bars and profiles, in addition ...
Optimización de los parámetros de operación del proceso de reciclado de zinc.
(2018-03-14)
RESUMEN: Actualmente el zinc es uno de los metales no ferrosos más utilizados, en seguida del aluminio y cobre. Es ampliamente utilizado en industrias como la metalúrgica, química, agricultura, pinturas, etc. Una parte del ...
Effects of foliar spraying with new zinc sources on rice seed enrichment, nutrition, and productivity
(2019-01-01)
New Zn sources have emerged recently, which may boost the beneficial effects of leaf sprays on rice cropping. Thus, this study aimed to compare the effects of foliar sprays using Zn chelate against those with new Zn sources ...
Chemical composition of corn and sorghum grains cultivated in oxisol with different application methods and doses of zinc
(Pontificia Univ Catolica Chile, Fac Agronomia Ingenieria Forestal, 2014)
Chemical composition of corn and sorghum grains cultivated in oxisol with different application methods and doses of zinc
(Pontificia Univ Catolica Chile, Fac Agronomia Ingenieria Forestal, 2014)
Corrosion susceptibility of Zn-Al alloys with different grains and dendritic microstructures in Nacl solutions
(Pergamon-Elsevier Science Ltd, 2012-06)
The objective of the present research was to study the corrosion susceptibility of different hypoeutectic (Zn-1. wt.%Al, Zn-2. wt.%Al, Zn-3. wt.%Al, Zn-4. wt.%Al) and hypereutectic (Zn-16. wt.%Al, Zn-27. wt.%Al Zn-50. ...
Fertilización en sorgo en el norte y centro-oeste de Buenos Aires : rendimiento y eficiencia comparada al maíz
(2013-12)
En este trabajo se presentan los resultados de un ensayo de respuesta del cultivo de sorgo a la aplicación de
nitrógeno (N), fósforo (P), azufre (S), zinc (Zn) y boro (B) realizado en Pergamino (Buenos Aires) en la ...
Foliar sources of boron and manganese in soybean and zinc plants in corn plants complexed with polyols in nutritional status and in productionFuentes foliares de boro y manganeso en plantas de soya y fuentes de zinc en plantas de maíz suplementadas con polioles en estado nutricional y en producción del cultivo
(2020-01-01)
Alternative sources of micronutrients have appeared on the market from B, Mn, and Zn complexes with polyols without scientific evidence on their agronomic effects compared to conventional sources, which is a concern when ...