Materials Literature
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Na Região Nordeste do Brasil, nas últimas décadas, com o incremento da irrigação em perímetros irrigados, muitas vezes com manejo inadequado às condições locais, os processos de salinização e sodificação de solos têm se intensificado, promovendo a degradação e abandono de extensas áreas anteriormente produtivas. Assim…
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Métodos acurados de avaliação de tenacidade à fratura, incluindo curvas de resistência ao rasgamento dúctil de juntas soldadas de dutos e risers rígidos, tornam-se essenciais em procedimentos de avaliação de defeitos em regiões de soldas e zonas termicamente afetadas, nas quais defeitos não detectados podem se propaga…
O bagaço de cana de açúcar é uma fonte de energia renovável e matéria prima promissora na produção de biocombustível, pois representa cerca de 30% de glicose contida na planta com potencial de ser hidrolisado e convertido em etanol. Os principais constituintes do bagaço de cana são a celulose, formada por cadeia linea…
O Capítulo 1 dessa dissertação descreve a síntese e a caracterização de ditio e tritiocarbimatos de zinco(II) e de níquel(II) isolados sob a forma de sais de tetrafenilfosfônio (PPh4+): (PPh4)2[M(RSO2N=CS2)2] (M = Zn ou Ni, R = 4-FC6H4, 4-ClC6H4, 4-BrC6H4, 4- IC6H4); (PPh4)2[Zn(RSO2N=CS3)2], (R = 4-FC6H4, 4-ClC6H4, 4-…
Nanocompósitos de PMMA/ argila montmorilonita foram obtidos por fotopolimerização in situ. O metacrilato de metila foi polimerizado na presença de argilas modificadas usando Tioxantona (TX) e etil 4-(dimetilamino) benzoato (EDB) como sistema fotoiniciador. As argilas montmorilonitas SWy-1 modificadas, SWy-1-C8 e SWy-1…
A bio-based epoxy monomer (GA-II) was synthesized from renewable gallic acid. The aromatic group contained made it capable of being absorbed onto the surface of graphene via strong π–π interactions, which was proven by Raman spectra and UV spectra. The GA-II anchored graphene was easily homogeneously dispersed in the…
This specially curated group of 178 titles covers subjects ranging from biodiversity conservation to agriculture and ecology to zoology. Books explore urban ecology, climate change, fire mitigation, and more. These titles are included in the CSIRO Publishing BioSelect Collection.
The article considers the variants of application of composites on the basis of a basalt roving in the automotive industry.
For the massless Nelson model we provide detailed information about the\ndependence of the normalized ground states $\\check{\\psi}_{P,\\sigma}$ of the\nfiber single-electron Hamiltonians $H_{P,\\sigma}$ on the total momentum $P$ and\nthe infrared cut-off $\\sigma$. This information is obtained with the help of\nthe i…
This chapter contains sections titled: Introduction Experimental Procedure Results Discussion Conclusions
This chapter contains sections titled: Introduction Experimental Details Results and Discussion Summary and Conclusions Acknowledgement
This chapter contains sections titled: Introduction Experimental Procedures Results and Discussion Conclusion Acknowledgements
Industry relies on electricity as the energy source to control almost all the systems. In some cases, automated mechanical control or even manual control are still used but they are mainly in older plants or in specific situations where regulations still enforce the use of such controls. Most control rooms are sophist…
Xanthone derivatives are involved in a multiplicity of pharmacological activities, which reects their large structural and chemical variety. Among the documented activities are tuberculostatic, antimycotic, antimalarial (Riscoe et al. 2005), antiplatelet, antithrombotic, anti-inammatory, antiallergic, antitumor, antim…
This specification covers a corrosion and heat-resistant steel in the form of seamless tubing.
This chapter contains sections titled: Introduction Experimental Procedure Results and Discussion Conclusions Acknowledgements
This chapter contains sections titled: Introduction Experimental Procedures Results and Disscussion Conclusions Acknowledgements
This chapter contains sections titled: Introduction Simulation Method Results and Discussions Conclusions Acknowledgements
This chapter contains sections titled: Introduction Model Development Results and Discussions Conclusions Acknowledgments