Results 21 to 30 of about 39,706 (257)

Effect of Organic Particulate Matter on Vegetable Crops and their Control Potentials

open access: yesE3S Web of Conferences, 2018
Air pollution has an impact, include impact to the plants. The adverse effects of air pollution have been associated with three major sources. They are gaseous pollutant and particulates from fossil fuels, manufacturing plants and vehicles.
Ida Munfarida   +2 more
doaj   +1 more source

What can we learn from amino acids about oceanic organic matter cycling and degradation? [PDF]

open access: yesBiogeosciences, 2022
Amino acids (AAs) mainly bound in proteins are major constituents of living biomass and non-living organic material in the oceanic particulate and dissolved organic matter pool. Uptake and cycling by heterotrophic organisms lead to characteristic changes
B. Gaye   +7 more
doaj   +1 more source

Organ-on-a-Chip: Opportunities for Assessing the Toxicity of Particulate Matter [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
Recent developments in epidemiology have confirmed that airborne particulates are directly associated with respiratory pathology and mortality. Although clinical studies have yielded evidence of the effects of many types of fine particulates on human health, it still does not have a complete understanding of how physiological reactions are caused nor ...
Jia-Wei Yang   +18 more
openaire   +3 more sources

Microbial carbon recycling: an underestimated process controlling soil carbon dynamics – Part 2: A C3-C4 vegetation change field labelling experiment [PDF]

open access: yesBiogeosciences, 2015
The mean residence times (MRT) of different compound classes of soil organic matter (SOM) do not match their inherent recalcitrance to decomposition. One reason for this is the stabilization within the soil matrix, but recycling, i.e.
A. Basler   +3 more
doaj   +1 more source

Sorption of polycyclic aromatic hydrocarbons on particulate organic matters [PDF]

open access: yesJournal of Hazardous Materials, 2010
Particulate organic matter (POM) is a key organic matter fraction which can influence soil fertility. Its interactions with hydrophobic organic pollutants (HOCs) have not been characterized and the mechanisms of retention of HOCs by POM remain unclear. In the present study, sorption behaviors of polycyclic aromatic hydrocarbons (PAHs) naphthalene (NAP),
Xueyan, Guo   +3 more
openaire   +2 more sources

Sink or link? The bacterial role in benthic carbon cycling in the Arabian Sea's oxygen minimum zone [PDF]

open access: yesBiogeosciences, 2013
The bacterial loop, the consumption of dissolved organic matter (DOM) by bacteria and subsequent transfer of bacterial carbon to higher trophic levels, plays a prominent role in pelagic food webs.
L. Pozzato   +4 more
doaj   +1 more source

VOCs and PM listing of Eucalyptus globulus combustion in residential wood stoves

open access: yesMaderas: Ciencia y Tecnología, 2022
Pollutant residential emissions from wood stoves have significant impacts both on the environment and people's health. The above makes it essential to know the types of volatile organic compounds emitted during combustion and explore their relationship ...
Francisco Henríquez   +5 more
doaj   +1 more source

A Three End-Member Mixing Model Based on Isotopic Composition and Elemental Ratio

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2007
A three end-member mixing model based on nitrogen isotopic composition and organic carbon to nitrogen ratio of suspended particulate matter in an aquatic environment has been developed.
Kon-Kee Liu Shuh-Ji Kao
doaj   +1 more source

Pigments, elemental composition (C, N, P, and Si), and stoichiometry of particulate matter in the naturally iron fertilized region of Kerguelen in the Southern Ocean [PDF]

open access: yesBiogeosciences, 2014
The particulate matter distribution and phytoplankton community structure of the iron-fertilized Kerguelen region were investigated in early austral spring (October–November 2011) during the KEOPS2 cruise.
M. Lasbleiz   +6 more
doaj   +1 more source

Soil macropore structure plays divergent roles in fresh and decomposed particulate organic matter

open access: yesCommunications Earth & Environment
Understanding fresh and decomposed particulate organic matter distributions and their response to macropore structure is crucial for soil carbon stocks.
Tianyu Ding   +5 more
doaj   +1 more source

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