Results 21 to 30 of about 5,798,114 (363)

Exploratory analysis of excitation-emission matrix fluorescence spectra with self-organizing maps as a basis for determination of organic matter removal efficiency at water treatment works [PDF]

open access: yes, 2009
In the paper, the self-organizing map (SOM) was employed for the exploratory analysis of fluorescence excitation-emission data characterizing organic matter removal efficiency at 16 water treatment works in the UK.
Andy Baker   +29 more
core   +1 more source

Evaluation of organic matter stability during the composting process of agroindustrial wastes. [PDF]

open access: yes, 2002
Composting of wastes from citrus industrial processing (pastazzo and sludge) was studied in order to evaluate the evolution of organic matter during the process and to individuate chemical and/or biochemical techniques able to set the stability of the ...
Benedetti, Anna   +3 more
core   +1 more source

New organic matter degradation proxies: Valid in lake systems? [PDF]

open access: yes, 2004
We determined concentrations and diagenetic state of organic matter in two cores from Lake Zug, Switzerland. To obtain a general picture of organic matter decay in the lake, we measured bulk parameters such as total organic carbon, total nitrogen, and ...
Cowie, G. L.   +4 more
core   +1 more source

Nutrient Digestibility and Productivity of Bali Cattle Fed Fermented Hymenachne Amplexia­calis Based Rations Supplemented with Leucaena Leucocephala [PDF]

open access: yes, 2015
An experiment was conducted to study the effects of lamtoro (Leucaena leucocephala) leaf supplementation in fermented kumpai grass (Hymenachne amplexia­calis) based rations on the productivity of Bali cattle.
Akbar, I. (I)   +4 more
core   +1 more source

Nanoscale Infrared Imaging Analysis of Carbonaceous Chondrites to Understand Organic-Mineral Interactions During Aqueous Alteration [PDF]

open access: yes, 2019
Organic matter in carbonaceous chondrites is distributed in fine-grained matrix. To understand pre- and postaccretion history of organic matter and its association with surrounding minerals, microscopic techniques are mandatory.
Baden, Naoki   +6 more
core   +2 more sources

Organic carbon transport and C/N ratio variations in a large tropical river: Godavari as a case study, India [PDF]

open access: yes, 2005
This study gives an insight into the source of organic carbon and nitrogen in the Godavari river and its tributaries, the yield of organic carbon from the catchment, seasonal variability in their concentration and the ultimate flux of organic and ...
Balakrishna, Keshava, Probst, Jean-Luc
core   +2 more sources

Organizing Matters

open access: yes, 2020
Organizing Matters demonstrates the interplay between two distinct logics of labour’s collective action: on the one hand, workers coming together, usually at their place of work, entrusting the union to represent their interests and, on the other hand, social bargaining in which the trade union constructs labour’s interests from the top down.
openaire   +3 more sources

Organic Matter in Cosmic Dust [PDF]

open access: yesElements, 2016
Organics are observed to be a significant component of cosmic dust in nearly all environments were dust is observed. In many cases only remote telescope observations of these materials are obtainable and our knowledge of the nature of these materials is very basic. However, it is possible to obtain actual samples of extraterrestrial dust in the Earth's
Sandford, Scott A.   +2 more
openaire   +3 more sources

Novel Sulfonylurea Derivatives as Potential Antimicrobial Agents: Chemical Synthesis, Biological Evaluation, and Computational Study

open access: yesAntibiotics, 2023
Methicillin-resistant Staphylococcus aureus (MRSA) is a worldwide health threat and has already tormented humanity during its long history, creating an urgent need for the development of new classes of antibacterial agents.
Fan-Fei Meng   +8 more
doaj   +1 more source

Study of the effect of pH, salinity and DOC on fluorescence of synthetic mixtures of freshwater and marine salts [PDF]

open access: yes, 1999
In order to provide support for the discussion of the fate of organic matter in estuaries, a laboratory simulation was performed by changing freshwater ionic strength, pH and organic matter content. The change in spectroscopic characteristics caused by
Duarte, Armando C.   +2 more
core   +2 more sources

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