Results 11 to 20 of about 34,945 (232)

Is building up substrate during anaerobic feeding necessary for granulation?

open access: yesWater Science and Technology, 2022
For a successful granulation process in activated sludge systems, the stimulation of slow growing organisms such as glycogen accumulating microorganisms (GAOs) is a key factor.
Eirini Tsertou   +7 more
doaj   +1 more source

The Properties of Polymer-Modified Asphalt Drived from Vacuum Bottom and Wastes of PE and SBR Plants [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2008
The polymeric and non-polymeric petrochemical wastes are environmentally unfavorable materials. We have to found a way to reuse these wastes in a safe manner.
A. Yousefi, A. A. Yousefi, M. Arjomand
doaj   +1 more source

Modeling granule-based completely autotrophic nitrogen removal over the nitrite (CANON) process in an SBR

open access: yesWater Reuse, 2022
Based on the simplified activated sludge model No. 1 (ASM1), a 1D biofilm model containing autotrophic and heterotrophic microorganisms was developed to describe the microbial population dynamics and reactor dynamics of completely autotrophic nitrogen ...
Qing Cai   +3 more
doaj   +1 more source

Brazilian recommendations on the safety and effectiveness of the yellow fever vaccination in patients with chronic immune-mediated inflammatory diseases

open access: yesAdvances in Rheumatology, 2019
Background In Brazil, we are facing an alarming epidemic scenario of Yellow fever (YF), which is reaching the most populous areas of the country in unvaccinated people. Vaccination is the only effective tool to prevent YF.
Gecilmara Salviato Pileggi   +33 more
doaj   +1 more source

Restaurant wastewater treatment with a two-chamber septic tank and a sequencing batch reactor [PDF]

open access: yesE3S Web of Conferences, 2021
Restaurant wastewater in Indonesia comprises a variety of organic components that are difficult to degrade, such as COD, BOD, TSS, and oils and fats. Although grease traps are usually used to collect restaurant wastewater, the effluent still exceeds the ...
Hendrasarie Novirina   +2 more
doaj   +1 more source

Effect of influent nutrient ratios and hydraulic retention time (HRT) on simultaneous phosphorus and nitrogen removal in a two-sludge sequencing batch reactor process [PDF]

open access: yes, 2009
A laboratory-scale anaerobic–anoxic/nitrification sequencing batch reactor (A2N- SBR) fed with domestic wastewater was operated to examine the effect of varying ratios of influent COD/P, COD/TN and TN/P on the nutrient removal.
Stephenson, Tom   +2 more
core   +1 more source

Action of fenoxycarb on metamorphosis and cocoon spinning in Chrysoperla carnea (Neuroptera: Chrysopidae): identification of the JHA-sensitive period

open access: yesEuropean Journal of Entomology, 2005
Fenoxycarb is an insecticide with a juvenile hormone mimicking effect, which disturbs metamorphosis in several insect species, including the neuropteran Chrysoperla carnea.
Laura BORTOLOTTI   +2 more
doaj   +1 more source

Convergent recruitment of TALE homeodomain life cycle regulators to direct sporophyte development in land plants and brown algae

open access: yeseLife, 2019
Three amino acid loop extension homeodomain transcription factors (TALE HD TFs) act as life cycle regulators in green algae and land plants. In mosses these regulators are required for the deployment of the sporophyte developmental program.
Alok Arun   +15 more
doaj   +1 more source

Evaporation and boiling crisis of droplets alcohol solution

open access: yesMATEC Web of Conferences, 2017
Evaporation and boiling crisis of droplets ethanol aqueous solution were studied experimentally. The evaporation intensity depends on the nucleate boiling, solution diffusion, a change in physical characteristics with time and droplet interfacial surface
Misyura S.Y., Morozov V.S.
doaj   +1 more source

The hospital as a character

open access: yesGlobal Rheumatology, 2021
Jean-Noël Fabiani is a physician, head of the department of cardiovascular surgery at the Georges Pompidou European Hospital in Paris, and professor of medical history at the University of Paris-Descartes. Author of numerous books, he was also one of the
Fernando Neubarth
doaj   +1 more source

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