Results 11 to 20 of about 105,697 (301)

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

Analisis perbandingan bahan dan jumlah perekat terhadap briket tempurung kelapa dan ampas tebu

open access: yesTeknologi Pangan: Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian, 2020
The aim of this research was to study the effect of comparative analysis of ingredients and the amount of adhesive on the coconut shell charcoal briquettes and bagasse charcoal. This research used Split Plot Design that consisted of two factors.
Welly Deglas, Fransiska Fransiska
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   +1 more source

Preliminary Investigation into Urinary 1-Hydroxypyrene as a Biomarker for Polycyclic Aromatic Hydrocarbons exposure among Charcoal Workers in Ogun and Oyo States, Nigeria

open access: yesSafety and Health at Work, 2018
Background: Urinary 1-hydroxypyrene (1-OHP) has been widely used as a biomarker of polycyclic aromatic hydrocarbons (PAHs) in occupationally exposed workers.
O.O. Olujimi   +3 more
doaj   +1 more source

Using Holocene paleo-fire records to estimate carbon stock vulnerabilities in Hudson Bay Lowlands peatlands

open access: yesFACETS, 2023
Holocene fire records from charcoal are critical to understand linkages between regional climate and fire regime and to create effective fire management plans. The Hudson Bay Lowlands (HBL) of Canada is one of the largest continuous peatland complexes in
M.A. Davies   +3 more
doaj   +1 more source

SIFAT FISIS DAN KIMIA BRIKET ARANG CAMPURAN LIMBAH KAYU GERGAJIAN DAN SABETAN KAYU

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
Briquetted charcoal was experimentally manufactured using the mixture of sawdust and woody slab wastes as the main materials. At first, sawdust wastes were carbonized in a semi-continuous kiln into the sawdust charcoal.
Djeni Hendra, Ina Winarni
doaj   +1 more source

Assessment of oxygen plasma ashing as a pre-treatment for radiocarbon dating [PDF]

open access: yes, 2009
This study investigates the potential of low-temperature oxygen plasma ashing as a technique for decontaminating charcoal and wood samples prior to radiocarbon dating.
Bird, M.I.   +12 more
core   +1 more source

Fire history reconstruction in grassland ecosystems: amount of charcoal reflects local area burned

open access: yesEnvironmental Research Letters, 2015
Fire is one of the most prevalent disturbances in the Earth system, and its past characteristics can be reconstructed using charcoal particles preserved in depositional environments.
Bérangère Leys   +4 more
doaj   +1 more source

Investigation of growth responses in saprophytic fungi to charred biomass [PDF]

open access: yes, 2010
We present the results of a study testing the response of two saprophytic white-rot fungi species, Pleurotus pulmonarius and Coriolus versicolor, to charred biomass (charcoal) as a growth substrate.
Sturrock, C.J.   +8 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

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