Results 11 to 20 of about 58,864 (140)

Hydropyrolysis: implications for radiocarbon pre-treatment and characterization of Black Carbon [PDF]

open access: yes, 2010
Charcoal is the result of natural and anthropogenic burning events, when biomass is exposed to elevated temperatures under conditions of restricted oxygen.
Snape, C.E.   +8 more
core   +5 more sources

CHARCOAL [PDF]

open access: yes, 2008
CHARCOAL is a collection of ...
Wagner, Jasmine Dreame
openaire   +2 more sources

Charcoal properties of Malaysian bambbo charcoal carbonized at 750oC [PDF]

open access: yes, 2023
vulgaris, Dendrocalamus asper, Gigantochloa hasskarliana, Gigantochloa levis, and Schizostachyum brachycladum, was conducted to investigate the charcoal properties and compare the quality of bamboo charcoal produced based on proximate analysis ...
Nurhazwani, Jarawi, Ismail, Jusoh
core   +1 more source

Charcoal Activation [PDF]

open access: yesProceedings of the National Academy of Sciences, 1919
Adsorption of Gases by Charcoal—Heat Effect.—The first part of this paper comprises a study of the heat effect on the adsorption of hydrogen and nitrogen by charcoal, and is a continuation of the work of Dr. Harvey B. Lemon1 in which air was used. The charcoal is heated for periods varying from one hour to twenty hours at temperatures from 400° C.
openaire   +4 more sources

Conversion of Wood into Hierarchically Porous Charcoal in the 200-Gram-Scale Using Home-Built Kiln [PDF]

open access: yes, 2021
Wood-to-charcoal is crucial in developing new materials at the lab-scale for relevant applications, such as pollutant removal from water. Unfortunately, laboratory carbonization methods are costly and produce charcoal on the gram-scale.
Pablo, Arnal, Long, Leonel
core   +1 more source

Influence of production variables and starting material on charcoal stable isotopic and molecular characteristics [PDF]

open access: yes, 2008
We present a systematic study on the effect of starting species, gas composition, temperature, particle size and duration of heating upon the molecular and stable isotope composition of high density (mangrove) and low density (pine) wood.
Snape, C.E.   +6 more
core   +1 more source

Charcoal-based dentifrices and powders: analyses of product labels, Instagram engagement, and altmetrics

open access: yes, 2021
This study identified charcoal-based dentifrices and abrasive powders sold in Brazil and analyzed their label information. The products were searched in four online shopping platforms.
Laura D. Bauler (12681018)   +3 more
core   +1 more source

Effect of Whitening Toothpastes with Different Active Agents on the Abrasive Wear of Dentin Following Tooth Brushing Simulation

open access: yesJournal of Functional Biomaterials, 2023
The aim of this research was to evaluate the abrasive dentin wear that can be induced by three commercial whitening toothpastes following a tooth-brushing simulation (TBS) corresponding to a three-month period.
Dimitrios Dionysopoulos   +5 more
doaj   +1 more source

Agriculture is the main driver of deforestation in Tanzania

open access: yesEnvironmental Research Letters, 2020
Reducing deforestation can generate multiple economic, social and ecological benefits by safeguarding the climate and other ecosystem services provided by forests. Understanding the relative contribution of different drivers of deforestation is needed to
Nike Doggart   +6 more
doaj   +1 more source

Changes in fire regimes since the last glacial maximum: an assessment based on a global synthesis and analysis of charcoal data [PDF]

open access: yes, 2007
Fire activity has varied globally and continuously since the last glacial maximum (LGM) in response to long-term changes in global climate and shorter-term regional changes in climate, vegetation, and human land use.
Prentice, I. C.   +326 more
core   +2 more sources

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