Results 11 to 20 of about 808,904 (392)

New monitoring technique for rapid investigation of nitrates pollution in aquatic systems [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2014
In situ measurement with a portable multi-parameter sonde was used in the framework of the Cleanwater project – LIFE09 ENV/RO/000612, for a rapid investigation of nitrates pollution in Barlad River basin, in rivers and domestic wells, in addition to ...
M. C. Trifu, V. Daradici
doaj   +1 more source

Occupational hazards and preventive practices among dentists in Saudi Arabia: A cross sectional survey

open access: yesSaudi Dental Journal, 2019
Introduction: Occupational hazard refers to a risk or danger as a result of the nature or working conditions of a particular job. The source of these hazards is the work environment and include physical, chemical, biological, mechanical and social ...
Salha H. Huaylah   +2 more
doaj   +1 more source

Are the Romanian natural protected areas properly covering the wetland? [PDF]

open access: yesScientific Annals of the Danube Delta Institute, 2020
Wetlands host an important biodiversity, provide important ecosystem services, and are threatened and vulnerable ecosystems, representing a priority for the conservation of biodiversity.
PETRIŞOR Alexandru-Ionuţ   +1 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.
Peng, Yongzhen   +2 more
core   +1 more source

Sensory and ATP derivative-based indicators for assessing the freshness of Atlantic salmon (Salmo salar) and cod (Gadus morhua) [PDF]

open access: yes, 2019
peer-reviewedIrish Journal of Agricultural and Food Research | Volume 58: Issue 1 Sensory and ATP derivative-based indicators for assessing the freshness of Atlantic salmon (Salmo salar) and cod (Gadus morhua)
Bolton, Declan   +4 more
core   +1 more source

(1→3)-β-D-Glucan: A Biomarker for Microbial Translocation in Individuals with Acute or Early HIV Infection?

open access: yesFrontiers in Immunology, 2016
Background: The extent of gut microbial translocation, which plays roles in HIV disease progression and non-AIDS comorbidities, appears to vary with the composition of the gut microbiome, particularly the presence of Lactobacillales, which reduce mucosal
Martin Hoenigl   +9 more
doaj   +1 more source

Performance estimation on micro gas turbine plant recuperator [PDF]

open access: yesINCAS Bulletin, 2016
In order to accomplish a thermodynamic analysis of a micro gas turbine plant, while satisfying conditions related to different configurations, different input data sets and a series of imposed thermodynamic parameters, assumptions are necessary regarding
Laura Alina STIKA   +3 more
doaj   +1 more source

Experimental and theoretical characterization of microbial bioanodes formed in pulp and paper mill effluent in electrochemically controlled conditions [PDF]

open access: yes, 2013
Microbial bioanodes were formed in pulp and paper effluent on graphite plate electrodes under constant polarization at -0.3 V/SCE, without any addition of nutriment or substrate. The bioanodes were characterized in 3-electrode set-ups, in continuous mode,
Alain Bergel   +30 more
core   +2 more sources

Environmental DNA concentrations are correlated with regional biomass of Atlantic cod in oceanic waters

open access: yesCommunications Biology, 2019
Environmental DNA (eDNA) has emerged as a powerful approach for studying marine fisheries and has the potential to negate some of the drawbacks of trawl surveys.
I. Salter   +4 more
semanticscholar   +1 more source

Hierarchical modelling of temperature and habitat size effects on population dynamics of North Atlantic cod [PDF]

open access: yes, 2010
Understanding how temperature affects cod (Gadus morhua) ecology is important for forecasting how populations will develop as climate changes in future.
MacKenzie, Brian R.   +3 more
core   +1 more source

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