Environmental Technologies
Mostrando 13-24 de 237 artigos, teses e dissertações.
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13. Advances and challenges on the in vitro production of secondary metabolites from medicinal plants
RESUMO A produção de metabólitos secundários de plantas medicinais, também chamados de Compostos Medicinais Derivados de Plantas (PDMC), vem ganhando importância na última década. Concomitante ao aumento do conhecimento sobre as propriedades farmacológicas destes compostos, as plantas da horticultura tornam-se a fonte de biomassa mais importante, su
Hortic. Bras.. Publicado em: 18/07/2019
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14. Evaluation of endoglucanase and β-glucosidase production by bacteria and yeasts isolated from a eucalyptus plantation in the cerrado of Minas Gerais
Resumo O atual cenário ambiental e econômico global tem uma relação intrínseca com o aumento do consumo de combustíveis fósseis causados pelo desenvolvimento de tecnologias e pelo crescimento da população mundial. Assim, é necessário procurar fontes renováveis de biocombustíveis na tentativa de mitigar os efeitos dos combustíveis fósseis no me
Rev. Ambient. Água. Publicado em: 15/07/2019
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15. Energia incorporada na fase de pré-uso: comparação entre lajes steel deck e maciças
Resumo A industrialização vem ganhando espaço como solução forte de economia e possibilita reduzir o consumo de materiais, recursos humanos, energéticos, temporais e financeiros em escalas diversas. Com isso, novas tecnologias vêm surgindo, como a laje steel deck, assim como estudos mais detalhados necessários para se verificar o consumo de energia e
Ambient. constr.. Publicado em: 10/06/2019
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16. Esterificação do ácido oleico utilizando aluminossilicato mesoporoso modificado com óxido de zircônio
RESUMO Os desafios decorrentes do aumento populacional, do uso extensivo e degradação dos recursos naturais e da dependência dos recursos fósseis, tem despertado o interesse pelo desenvolvimento de tecnologias para a produção de combustíveis renováveis. Dentro deste contexto tecnologias para a produção de biodiesel tem sido bastante estudadas de fo
Matéria (Rio J.). Publicado em: 20/05/2019
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17. Videoactivismo y trabajo por proyectos: una experiencia de Educación para la Ciudadanía Mundial en Colombia
Abstract Global Citizenship Education is an emerging educational concept and strategy that different governments and international organizations have been promoting in response to the great problems that affect humanity including poverty, inequality, violence, and environmental devastation. However, at present there is no agreement about what it means to be
Educ. Pesqui.. Publicado em: 08/04/2019
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18. Growth of seedlings and young plants of coffee in composts of textile industry residues
RESUMO A destinação final de resíduos sólidos industriais é um dos principais problemas ambientais enfrentados atualmente devido ao seu potencial de contaminação. Com a evolução da política e consciência ambiental, a destinação adequada desses resíduos é estimulada, buscando-se novas tecnologias para suprir a demanda dos produtos gerados. Uma
Rev. bras. eng. agríc. ambient.. Publicado em: 2019-03
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19. Numerical Analysis of Twin-Roll Casting of Strips With Profiled Cross-Section
The relatively high production costs of innovative materials with tailored properties such as Tailor Welded Blanks, Patchwork Blanks, Tailor Heat Treated Blanks and Tailor Rolled Blanks are responsible for a growing interest in new cost-effective production methods. One of the promising energy-saving and environmental friendly technologies for the production
Mat. Res.. Publicado em: 16/04/2018
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20. ROLE OF TECHNOLOGY IN THE ENVIRONMENTAL PERFORMANCE OF THE BRAZILIAN CHEMICAL INDUSTRY
ABSTRACT Purpose: The objective of this study is to examine the mediating effects of technology on the relationship between green supply chain management and performance of the Brazilian chemical industry. Originality/Value: The pressure for sustainable environment has emerged in companies, the incorporation of technologies as part of the manufacture of pr
RAM, Rev. Adm. Mackenzie. Publicado em: 05/04/2018
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21. [Mg-Al]-LDH and [Zn-Al]-LDH as Matrices for Removal of High Loadings of Phosphate
Eutrophication is an undesirable environmental process that occurs in water bodies affected by high concentrations of phosphate. Different economic sectors are responsible for discharge effluents with extremely high phosphate content. Therefore, is important to develop technologies capable of remove phosphate from these effluents, before that reach other and
Mat. Res.. Publicado em: 15/03/2018
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22. Compensation technique for environmental and light source power variations applied in a polymer optical fiber curvature sensor for wearable devices
Abstract Introduction Polymer optical fibers (POF) are lightweight, present high elastic strain limits, fracture toughness, flexibility in bend, and are not influenced by electromagnetic fields. These characteristics enable the application of POF as curvature sensor and can overcome the limitations of the conventional technologies, especially for wearable a
Res. Biomed. Eng.. Publicado em: 05/03/2018
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23. New concept of tunnel boring machine: high performance using water jet and diamond wire as rock cutting technology
Abstract Tunnel boring machines are important tools in underground infrastructure projects. Although being well established equipment, these machinesare based on designsof more than 60 years ago and are characterized by big dimensions, enormous weight and high power consumption. Commercial aspects should be noted too. The model adopted by the TBM industry re
REM, Int. Eng. J.. Publicado em: 2018-03
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24. Local food: benefits and failings due to modern agriculture
ABSTRACT: This paper aims to examine the issue raised by the consumption of locally produced food in all its various aspects, and in particular, addresses how this practice contributes to local and global sustainability. It analyzes the different definitions of local food, the strategies used, the implications of the distance traveled in the transportation o
Sci. agric. (Piracicaba, Braz.). Publicado em: 2018-01