Results 31 to 40 of about 23,253,765 (333)

Économie des bois et gestion des forêts chez les anciens Mayas

open access: yesLes Nouvelles de l’Archéologie, 2016
Researchers have long considered that the relations between ancient Maya societies and their tropical forested landscape significantly affected social and environmental history throughout the Maya Lowlands. The lingering debate contrasting the hypothesis
Lydie Dussol
doaj   +1 more source

Microstructural characterization of white charcoal for rapid reduction of chemical oxygen demand and automatically adjust pH to neutral in wastewater treatment

open access: yesJournal of Materials Research and Technology, 2021
The purpose of this study was to produce, characterize and apply white and black charcoal for wastewater treatment application. Characterization of charcoals, the results confirmed that white charcoal had higher thermal stability and carbon content than ...
Nuchanaporn Pijarn   +5 more
doaj   +1 more source

Charcoal Briquette Production from Peanut (Arachis hypogaea L.) Shells using Cornick Industry Wastewater as Binder through a Torrefaction Process

open access: yesChemical Engineering Transactions, 2022
The torrefaction process was applied to the peanut shells to produce charcoal briquette using Cornick industry wastewater as a binder and a charcoal briquetting press. The results showed that the conversion of peanut shell to biochar was 30.1 wt.%.
Roselle Y. Mamuad   +2 more
doaj   +1 more source

Discrimination of native wood charcoal by infrared spectroscopy [PDF]

open access: yes, 2010
Brazil is one of the largest producers and consumers of charcoal in the world. About 50% of its charcoal comes from native forests, with a large part coming from unsustainable operations.
Alves de Macedo, Lucelia   +4 more
core   +3 more sources

A multidisciplinary study of an exceptional prehistoric waste dump in the mountainous inland of Calabria (Italy) : implications for reconstructions of prehistoric land use and vegetation in Southern Italy [PDF]

open access: yes, 2020
The mountainous inland of northern Calabria (Southern Italy) is known for its sparse prehistoric human occupation. Nevertheless, a thorough multidisciplinary approach of field walking, geophysical survey and invasive research led to the discovery of a ...
Arienzo, Ilenia   +9 more
core   +3 more sources

Charcoal morphometry for paleoecological analysis: The effects of fuel type and transportation on morphological parameters [PDF]

open access: yes, 2017
This is the final version of the article. Available from Botanical Society of America via the DOI in this record.Premise of the study: Charcoal particles preserved in sediments are used as indicators of paleowildfire.
Belcher, CM, Crawford, AJ
core   +1 more source

Wood Charcoal Analysis:

open access: yes, 2013
Archaeobotanical study of Neolithic levels of Knossos (Crete). Through charcoal remains vegetation, climate and landscape of the site is rebuilt.
Badal, Ernestina, Ntinou, María
openaire   +2 more sources

Investigating the Association between Wood and Charcoal Domestic Cooking, Respiratory Symptoms and Acute Respiratory Infections among Children Aged Under 5 Years in Uganda: A Cross-Sectional Analysis of the 2016 Demographic and Health Survey

open access: yesInternational Journal of Environmental Research and Public Health, 2020
Background: Household air pollution associated with biomass (wood, dung, charcoal, and crop residue) burning for cooking is estimated to contribute to approximately 4 million deaths each year worldwide, with the greatest burden seen in low and middle ...
K. Woolley   +6 more
semanticscholar   +1 more source

Use of near infrared spectroscopy to distinguish carbonization processes and charcoal sources [PDF]

open access: yes, 2010
The near infrared spectroscopy (NIRS) has shown a rapid and accurate technique for evaluation of materials of biological origin. The objective of this study was to evaluate the ability of the near infrared (NIR) spectroscopy associated to the Principal ...
Da Silva Vieira, Renato   +4 more
core   +2 more sources

Testing the use of bomb radiocarbon to date the surface layers of blanket peat [PDF]

open access: yes, 2004
The recently formed surface layers of peatlands are archives of past environmental conditions and can have a temporal resolution considerably greater than deeper layers.
Garnett, M.H., Stevenson, A.C.
core   +2 more sources

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