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Mostrando ítems 31-40 de 1379
Utilização de microemulsões como agentes modificadores de superfícies para remoção de íons metálicos
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia QuímicaPesquisa e Desenvolvimento de Tecnologias Regionais, 2001-07-05)
The heavy metals are used in many industrial processes and when discharged to the environment can cause harmful effects to human, plants and animals. The adsorption technology has been used as an effective methodology to ...
Local star formation triggered by supernova shocks in magnetized diffuse neutral clouds
(WILEY-BLACKWELL PUBLISHING, INC, 2009)
In this work, considering the impact of a supernova remnant (SNR) with a neutral magnetized cloud we derived analytically a set of conditions that are favourable for driving gravitational instability in the cloud and thus ...
Sistema electrónico automático ahuyentador de palomas
(2020-08)
The repellent device tries to avoid the agglomeration of birds without the need to affect their health and life in the necessary sectors, where they cause damage and economic loss to people. In this project, two methods ...
Planteamiento del problema
(2014-01)
Cause and effect diagrams are suitable to motivate the analysis and group discussion so that you can amplify the understanding of the problem.
New field decontamination method based on variable cells in the cluster Colour-Magnitude Diagrams
(Asociación Argentina de Astronomía, 2012-06)
We have designed a procedure for cleaning the cluster CMDs from the unavoidable star field contamination which makes use of variable cells in the CMDs. The cells are adjusted in such a way that they result bigger in CMD ...
Estudo da aplicação de ferramentas da qualidade em uma tapeçaria automotiva
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilEngenharia de ProduçãoUTFPR, 2017-07-04)
With the current financial crisis in the country and high competitiveness, companies are increasingly looking for differentiation and improvement of the quality of their products, só that they can continue competing and ...