Results 81 to 90 of about 1,149,212 (346)

An approach to the use of fixed carbon-volatile matter graph [PDF]

open access: yes, 1986
The use of the fixed carbon-volatile matter (FC-VM) graph for quick calculations of proximate analysis data, as well as for simple presentation of coal classification is illustrated. From the position of the VM and FC values of a coal on the graph (on an
Jankes, Goran, Radovanović, Milan
core   +2 more sources

Carbon Dioxide Production in Animal Houses: A literature review [PDF]

open access: yes, 2008
This article deals with carbon dioxide production from farm animals; more specifically, it addresses the possibilities of using the measured carbon dioxide concentration in animal houses as basis for estimation of ventilation flow (as the ventilation ...
Aarnink, A.J.A.   +6 more
core   +1 more source

Polarization dependence of coherent phonon generation and detection in highly-aligned single-walled carbon nanotubes

open access: yes, 2010
We have investigated the polarization dependence of the generation and detection of radial breathing mode (RBM) coherent phonons (CP) in highly-aligned single-walled carbon nanotubes.
C. J. Stanton   +15 more
core   +1 more source

Old carbon contributes to aquatic emissions of carbon dioxide in the Amazon [PDF]

open access: yes, 2014
Knowing the rate at which carbon is cycled is crucial to understanding the dynamics of carbon transfer pathways. Recent technical developments now support measurement of the <sup>14</sup>C age of evaded CO<sub>2</sub> from fluvial
Garnett, M.H.   +3 more
core   +2 more sources

Cytoplasmic p21 promotes stemness of colon cancer cells via activation of the NFκB pathway

open access: yesMolecular Oncology, EarlyView.
Cytoplasmic p21 promotes colorectal cancer stem cell (CSC) features by destabilizing the NFκB–IκB complex, activating NFκB signaling, and upregulating BCL‐xL and COX2. In contrast to nuclear p21, cytoplasmic p21 enhances spheroid formation and stemness transcription factor CD133.
Arnatchai Maiuthed   +10 more
wiley   +1 more source

Elementary, Chemical and Energy Characteristics of Brazil Nuts Waste (Bertholletia excelsa) in the State of Pará

open access: yesFloresta e Ambiente
This study aimed to determine the chemical and energetic composition of Brazil nut waste in the city of Castanhal-PA. Some of the material was crushed, sifted and stored for acclimatization and analysis.
Renata Ingrid Machado Leandro   +5 more
doaj   +1 more source

Sphagnum physiology in the context of changing climate: emergent influences of genomics, modelling and host-microbiome interactions on understanding ecosystem function. [PDF]

open access: yes, 2014
Peatlands harbour more than one-third of terrestrial carbon leading to the argument that the bryophytes, as major components of peatland ecosystems, store more organic carbon in soils than any other collective plant taxa. Plants of the genus Sphagnum are
Gu, Lianhong   +9 more
core   +1 more source

Cis‐regulatory and long noncoding RNA alterations in breast cancer – current insights, biomarker utility, and the critical need for functional validation

open access: yesMolecular Oncology, EarlyView.
The noncoding region of the genome plays a key role in regulating gene expression, and mutations within these regions are capable of altering it. Researchers have identified multiple functional noncoding mutations associated with increased cancer risk in the genome of breast cancer patients.
Arnau Cuy Saqués   +3 more
wiley   +1 more source

Thermal Properties of Biochars Derived from Waste Biomass Generated by Agricultural and Forestry Sectors

open access: yesEnergies, 2017
Waste residues produced by agricultural and forestry industries can generate energy and are regarded as a promising source of sustainable fuels. Pyrolysis, where waste biomass is heated under low-oxygen conditions, has recently attracted attention as a ...
Xing Yang   +13 more
doaj   +1 more source

Measurements of Hadron Production in Pion-Carbon Interactions with NA61/SHINE at the CERN SPS

open access: yes, 2017
NA61/SHINE is a fixed target experiment designed to study hadron-proton, hadron-nucleus and nucleus-nucleus interactions at the CERN Super-Proton-Synchrotron.
Prado, Raul R.
core   +1 more source

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