Buscar
Mostrando ítems 1-10 de 177
Baking sunflower hulls within an aluminum envelope in a common laboratory oven yields charcoal
(Elsevier, 2015-04)
Charcoals have been widely used by scientist to research the removal of contaminants from water and air. One key feature of charcoal is that it keeps macropores from the parent material - though anisotropically contracted ...
Reflective materials and seeds from different plant positions for production of achachairu seedlings
(Univ Estadual Mato Grosso Sul, 2021-01-01)
The plant environment in the production of Achachairu (Garcinia humilis) seedlings aims to obtain quality plants for orchards' formation. The present study aimed to evaluate reflective materials on benches and fruit seeds ...
Pulsed Nd:YAG laser seam welding of AISI 316L stainless steel thin foils
(Elsevier B.V. Sa, 2010-11-01)
Experimental investigations were carried out using a pulsed neodymium:yttrium aluminum garnet laser weld to examine the influence of the pulse energy in the characteristics of the weld fillet. The pulse energy was varied ...
Pulsed Nd:YAG laser seam welding of AISI 316L stainless steel thin foils
(Elsevier B.V. Sa, 2010-11-01)
Experimental investigations were carried out using a pulsed neodymium:yttrium aluminum garnet laser weld to examine the influence of the pulse energy in the characteristics of the weld fillet. The pulse energy was varied ...
Simple and economical CALB/polyethylene/aluminum biocatalyst for fatty acid esterification
(John Wiley & Sons Ltd, 2017-09-19)
Candida antarctica lipase B was immobilized for the first time (at the author's knowledge) onto linear low density polyethylene (LLDPE) films. Polymer films were previously bonded to a commercial aluminum sheet using a ...
Pulsed Nd:YAG laser seam welding of AISI 316L stainless steel thin foils
(Elsevier B.V. Sa, 2014)
Effects of laser beam energy on the pulsed Nd:YAG laser welding of thin sheet corrosion resistant materials
(Trans Tech Publications Ltd, 2014-01-01)
The aim of this study was to value the possibility to join, for pulsed Nd:YAG laser welding, thin foils lap joints for sealing components in corrosive environment. Experimental investigations were carried out using a pulsed ...
Concentración del Ácido Indolbutírico y cobertura con papel aluminio en acodos de Dracaena marginataIndolbutiric acid concentration and use of aluminum foil on airlayers of Dracaena marginata
(Universidad de Costa Rica, 2006-2009)
Se probaron los efectos del papel aluminio y tres concentraciones de la hormona AIB para enraizamiento, sobre la calidad de los acodos realizados en cañas de 8,8 y 13,2 cm (4 y 6 pulgadas) de Dracaena marginata verde. Se ...