Results 51 to 60 of about 460,897 (182)

Life cycle assessment of three scenarios of cahrcoal production in the eastern amazon [PDF]

open access: yes, 2011
The Amazon forest is well known for its wealth of resources. There is a great abundance of iron ore and wood. This situation has promoted the development of pig iron industries based on charcoal for their thermal processes.
Caldeira-Pires, Armando   +2 more
core  

Decoding Brazil's bean belt: Spatiotemporal patterns, production systems and the pulse of bean production (2011–2022)

open access: yesGeo: Geography and Environment, Volume 12, Issue 2, July‐December 2025.
Short Abstract This study aimed to map consolidated bean production areas in Brazil and analyse their spatial‐temporal evolution from 2011 to 2022. Based on autocorrelation and relative frequency patterns, four primary bean belts were identified: South, Central Brazil, Mato Grosso and Northeast.
Clever Lucas Aguilar   +2 more
wiley   +1 more source

A relação Universidade-Indústria: um caso de transferência da tecnologia em engenharia mecânica e Gestão Industrial [PDF]

open access: yes, 2008
A inovação nas pequenas e médias empresas industriais do ramo da Engenharia Mecânica émuitas vezes inexistente ou incipiente, podendo ser facilmente incrementada através de umestreito relacionamento e cooperação com as Universidades e/ou os seus ...
A. Barata da Rocha, F. Jorge Lino Alves
core  

Polyolefin and Polystyrene‐Derived Carbon Nanotubes: Catalysts for Oxidative Desulfurization Under a Biphasic System

open access: yesChemCatChem, Volume 17, Issue 11, June 6, 2025.
Polyolefins and polystyrene, simulating plastic solid waste (PSW), are transformed into value‐added carbon nanotubes (CNTs) through chemical vapor deposition (CVD). The CNTs are then applied in the oxidative desulfurization (ODS) of dibenzothiophene (DBT) in the oil–water biphasic system, resulting in C─S cleavage, yielding sulfur‐free products ...
Fernanda F. Roman   +8 more
wiley   +1 more source

Caracterização tecnológica e aptidão mercadológica de clones de lima ácida 'Tahiti'. [PDF]

open access: yes, 2011
A produção nacional de lima ácida Tahiti (Citrus latifolia Tanaka) possui três mercados bastante distintos: mercado interno, processamento industrial e a exportação de frutos in natura.
BASSAN, M. M.   +6 more
core  

What constitutes sustainable agriculture for different audiences in Germany? A comparative analysis of large‐scale text data

open access: yesPeople and Nature, Volume 7, Issue 3, Page 715-730, March 2025.
Abstract Agriculture contributes in several ways to achieving sustainability objectives. However, there is no agreement among different societal groups, such as farmers, consumers and scientists, on what constitutes ‘sustainable agriculture’. These differences affect how the impacts of agricultural production on sustainability objectives is perceived ...
Bartosz Bartkowski   +4 more
wiley   +1 more source

Sustentabilidade Ambiental: dificuldades e alternativas [PDF]

open access: yes, 2008
TCC (graduação) - Universidade Federal de Santa Catarina. Centro Sócio-Econômico. Economia.O presente trabalho evidencia as relações sócio-ambientais e o modo capitalista de produção industrial e de acumulação.
Costa, Mara Regina Machado
core  

Efeito de diferentes níveis de irrigação na produção comercial de tomate industrial. [PDF]

open access: yes, 2020
Os objetivos do presente estudo consistiram em avaliar os efeitos de 5 níveis de irrigação sobre a produção do tomate, e determinar a distribuição do sistema ...
ABREU, T. A. dos S.   +3 more
core  

“Captains of the Sands”: Urban Illicit Ecologies and Sandscapes in Rio de Janeiro

open access: yesAntipode, Volume 56, Issue 5, Page 1775-1801, September 2024.
Abstract Urban Political Ecology (UPE) has explored human–soil relations, emphasising the political dimensions of environmental degradation in and through urbanisation. However, UPE lacks critical reflection on governance collusions with illicit actors.
Frank I. Müller
wiley   +1 more source

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