Results 11 to 20 of about 661,335 (310)

Forecasting wind speed data by using a combination of ARIMA model with single exponential smoothing [PDF]

open access: yes, 2021
Wind serves as natural resources as the solution to minimize global warming and has been commonly used to produce electricity. Because of their uncontrollable wind characteristics, wind speed forecasting is considered one of the best challenges in ...
A. Rahman, Nur H.   +5 more
core   +1 more source

Assessment of landfill leachate biodegradability and treatability by means of allochthonous and autochthonous biomasses [PDF]

open access: yes, 2020
The biodegradability and treatability of a young (3 years old) municipal landfill leachate was evaluated by means of chemical oxygen demand (COD) fractionation tests, based on respirometric techniques.
Corsino, S.F., Capodici, M., Di Trapani, D., Torregrossa Michele, Viviani Gaspare
core   +1 more source

Concept Maps as a Tool for Teaching Organic Chemical Reactions

open access: yesActa Chimica Slovenica, 2015
The purpose of the research was to establish the impact of the application of a concept map in chemistry lessons on the effective solving of tasks with organic reactions content. In the first phase of the research, a concept map was produced representing
Barbara Šket   +2 more
doaj   +1 more source

Organic atmospheric particulate material [PDF]

open access: yes, 2003
Carbonaceous compounds comprise a substantial fraction of atmospheric particulate matter (PM). Particulate organic material can be emitted directly into the atmosphere or formed in the atmosphere when the oxidation products of certain volatile organic ...
Pankow, John F., Seinfeld, John H.
core   +1 more source

IDENTIFICAÇÃO DE COMPOSTOS ORGÂNICOS EM LIXIVIADO DE ATERRO SANITÁRIO MUNICIPAL POR CROMATOGRAFIA GASOSA ACOPLADA A ESPECTROMETRIA DE MASSAS

open access: yesQuímica Nova, 2015
The organic compounds present in leachate can contaminate soil, superficial and underground water, and the majority is considered harmful to the environment and human health.
Eliane Sloboda Rigobello   +3 more
doaj   +1 more source

Microbial communities and organic matter composition in surface and subsurface sediments of the Helgoland mud area, North Sea

open access: yesFrontiers in Microbiology, 2015
The role of microorganisms in the cycling of sedimentary organic carbon is a crucial one. To better understand relationships between molecular composition of a potentially bioavailable fraction of organic matter and microbial populations, bacterial and ...
Oluwatobi Emmanuel Oni   +9 more
doaj   +1 more source

Efficient alkane oxidation under combustion engine and atmospheric conditions

open access: yesCommunications Chemistry, 2021
Efficient autoxidation of organic compounds typically requires that they possess double bonds or oxygen-containing moieties, which is why alkanes were thought to contribute little to atmospheric organic aerosol formation.
Zhandong Wang   +10 more
doaj   +1 more source

Ratiometric hypoxia detection by bright organic room temperature phosphorescence of uniformed silica nanoparticles in water

open access: yesAggregate, 2023
Organic room temperature phosphorescence (RTP) in water has attracted much attention recently for its potential biological applications. However, it remains a formidable challenge to achieve efficient RTP from pure organic compounds in aqueous phase due ...
Tong He   +5 more
doaj   +1 more source

Biocatalyst Screening with a Twist: Application of Oxygen Sensors Integrated in Microchannels for Screening Whole Cell Biocatalyst Variants

open access: yesBioengineering, 2018
Selective oxidative functionalization of molecules is a highly relevant and often demanding reaction in organic chemistry. The use of biocatalysts allows the stereo- and regioselective introduction of oxygen molecules in organic compounds at milder ...
Ana C. Fernandes   +5 more
doaj   +1 more source

Thermal Transformation of Carbon and Oxygen-Containing Organic Compounds in Sewage Sludge During Pyrolysis Treatment

open access: yesEnergies, 2019
Organic carbon (C) and oxygen (O) contained in sewage sludge strongly impact its thermal behavior during pyrolysis treatment. This study was aimed at getting an insight into the decomposition mechanism of organic compounds containing C and O during ...
Yanjun Hu   +6 more
doaj   +1 more source

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