Results 1 to 10 of about 19,903 (242)

Recursos minerais não-metálicos [PDF]

Estudos Avançados, 1998
OS RECURSOS minerais não-metálicos, embora muito importantes para o atendimento das necessidades da população e para o comércio exterior, são pouco contemplados pelas ações governamentais e ignorados pelo público. Geralmente não-incluída no planejamento territorial, a mineração de não-metálicos no Brasil causa extensos impactos ambientais mal ...
Arlei Benedito Macedo
openalex   +6 more sources

Comparison of two acidophilic sulfidogenic consortia for the treatment of acidic mine water [PDF]

Frontiers in Bioengineering and Biotechnology, 2022
Sulfate-reducing bioreactors are a biotechnological alternative for the treatment of acid mine drainage (AMD). In this study, two separate bioreactors with pH and temperature-controlled (Bio I and II) were operated with two different acidophilic ...
Tayná Diniz Frederico, Ivan Nancucheo, Werica Colaço Barros Santos, Renato Renison Moreira Oliveira, Daniella Cardoso Buzzi, Eder Soares Pires, Patricia Magalhães Pereira Silva, Adriano Reis Lucheta, Joner Oliveira Alves, Guilherme Corrêa de Oliveira, José Augusto Pires Bitencourt   +10 more
doaj   +2 more sources

Evaporitos como recursos minerais [PDF]

Revista Brasileira de Geofísica, 2000
Evaporites are sedimentary rocks commonly formed in sedimentary environments of low terrigenous input, under arid climate where the evaporation rates are high enough for the formation of brines from which the evaporitic sediments are generated. The economic potential of these rocks is enormous, and halite, the commonly consumed salt, is one of the most
Maria A. M. da Silva, B. Schreiber, Carla L. dos Santos   +2 more
openalex   +6 more sources

Imposto sobre minerais - Fato gerador

Revista de Direito Administrativo, 1979
Supremo Tribunal ...
Antônio Neder
openalex   +5 more sources

Enhancing iron biogeochemical cycling for canga ecosystem restoration: insights from microbial stimuli [PDF]

Frontiers in Microbiology
IntroductionThe microbial-induced restoration of ferruginous crusts (canga), which partially cover iron deposits and host unique ecosystems, is a promising alternative for reducing the environmental impacts of the iron mining industry.MethodsTo ...
Rayara do Socorro Souza da Silva, Rayara do Socorro Souza da Silva, Aline Figueiredo Cardoso, Rômulo Simões Angelica, José Augusto P. Bitencourt, Julio Cezar Fornazier Moreira, Adriano Reis Lucheta, Isabelle Gonçalves de Oliveira Prado, Dalber Ruben Sanchez Candela, Markus Gastauer   +9 more
doaj   +2 more sources

Massive Submandibular Sialolith: Complete Radiographic Registration and Biochemical Analysis through X-Ray Diffraction. [PDF]

Case Rep Surg, 2014
Sialolithiasis is a pathologic condition that affects 60 million people per year, which is caused by the presence of calcified structures, named sialoliths, inside the salivary glands and their salivary ducts. Despite the large incidence of sialolithiasis, its etiology is still unknown.
Franco A, de Carvalho Mattos MJ, Ferrari F, Dos Reis Neto JM, Carta Gambus LC, Couto Souza PH, Berti-Couto Sde A.   +6 more
europepmc   +2 more sources

Recursos minerais da Amazônia [PDF]

Estudos Avançados, 2002
Breno Augusto dos Santos
openalex   +7 more sources

Revisiting a place‐based policy: Transformations in Northeast Brazil

Growth and Change, Volume 52, Issue 4, Page 2412-2436, December 2021., 2021
Abstract Despite being the second most populated region in Brazil, the Northeast has persistently accounted for a small share of national income. A well‐known attempt to develop the region was made in 1959 with the creation of SUDENE, a big push type of place‐based policy resulting in an intensification of industrial investments.
Solmaria Halleck Vega
wiley   +1 more source

Public participation, indigenous peoples’ land rights and major infrastructure projects in the Amazon: The case for a human rights assessment framework

Review of European, Comparative &International Environmental Law, Volume 30, Issue 2, Page 184-196, July 2021., 2021
Abstract The recognition of land title and demarcation of indigenous peoples’ ancestral lands and the guarantee of the rights of consultation and free, prior and informed consent in the context of large infrastructure projects represent some of the major challenges for indigenous peoples and communities in the Amazon States.
Ricardo Pereira
wiley   +1 more source

Timor‐Leste economic survey: The end of petroleum income

Asia &the Pacific Policy Studies, Volume 8, Issue 2, Page 253-279, May 2021., 2021
Abstract As Timor‐Leste nears the end of its petroleum‐exporting era, the transition to a sustainable economy has become even more challenging due to partisan political competition, disastrous flooding and the pandemic. This article describes the current economic context, and deteriorating trends. After a brief discussion of the political situation and
Charles Scheiner
wiley   +1 more source