Results 1 to 10 of about 48,956 (70)

Sensory characteristics analysis for typical odor emission sources [PDF]

open access: yesArchives of Environmental Protection, 2021
The hedonic tone of an environmental odor is a powerful predictor of annoyance. Pertinent field surveys combined with laboratory analysis of landfill, pharmaceutical factories and rubber factories have been conducted, with the purpose of obtaining a ...
Fengyue Yan   +6 more
doaj   +1 more source

Analysis of Specific Perfluorohexane Sulfonate Isomers by Liquid Chromatography-Tandem Mass Spectrometry: Method Development and Application in Source Apportionment

open access: yesJournal of Analytical Methods in Chemistry, 2022
Characterization of perfluorohexane sulfonate (PFHxS) isomers, a chemical proposed for listing under the Stockholm Convention, is important to elucidate its environmental behaviors and sources. Optimized chromatographic separation coupled with monitoring
Liping Yang   +4 more
doaj   +1 more source

Ozone and Temperature May Hinder Adaptive Capacity of Mediterranean Perennial Grasses to Future Global Change Scenarios

open access: yesPlants, 2023
Climate warming is recognized as a factor that threatens plant species in Mediterranean mountains. Tropospheric ozone (O3) should also be considered as another relevant stress factor for these ecosystems since current levels chronically exceed thresholds
Samuel Prieto-Benítez   +6 more
doaj   +1 more source

Nanohole-boosted electron transport between nanomaterials and bacteria as a concept for nano–bio interactions

open access: yesNature Communications, 2021
Nanomaterials have attracted attention as antibacterial agents and have several modes of action. Here, the authors report on 2D transition metal disulphide nanosheets with hole boosted electron donation/withdrawal for enhanced antibacterial and biofilm ...
Tonglei Shi   +6 more
doaj   +1 more source

Exploration on Optimized Control Way of D-Amino Acid for Efficiently Mitigating Membrane Biofouling of Membrane Bioreactor

open access: yesMembranes, 2021
The thorny issue of membrane biofouling in membrane bioreactors (MBR) calls for new effective control measures. Herein, D-amino acid (DAA) was employed to mediate MBR membrane biofouling by inhibiting biofilm information and disintegrating formed biofilm.
Zhan Gao   +9 more
doaj   +1 more source

Biochar-derived dissolved organic matters influencing bacterium characteristics during biodegradation of sulfamethoxazole and chloramphenicol under alternation of visible and avoiding light

open access: yesBiochar, 2023
Highlights BDOM and visible light improved the biodegradation efficiency of antibiotics. BDOM and visible light promoted bacterial growth. BDOM and visible light enhanced content of fatty acid bacteria. BDOM and visible light up-regulated bacterial genes
Fang Yang   +5 more
doaj   +1 more source

Emission Characteristics of Hazardous Air Pollutants from Construction Equipment

open access: yesAerosol and Air Quality Research, 2020
The emission characteristics of mobile air pollution sources belonging to the non-road sector have yet to be thoroughly investigated, especially when compared to those of on-road vehicles.
Sungwoon Jung   +9 more
doaj   +1 more source

Ni2P nanocrystals embedded Ni-MOF nanosheets supported on nickel foam as bifunctional electrocatalyst for urea electrolysis

open access: yesScientific Reports, 2021
It’s highly desired but challenging to synthesize self-supporting nanohybrid made of conductive nanoparticles with metal organic framework (MOF) materials for the application in the electrochemical field.
Haitao Wang   +7 more
doaj   +1 more source

The Effects of Ozone on Visual Attraction Traits of Erodium paularense (Geraniaceae) Flowers: Modelled Perception by Insect Pollinators

open access: yesPlants, 2021
Ozone (O3) effects on the visual attraction traits (color, perception and area) of petals are described for Erodium paularense, an endangered plant species.
Samuel Prieto-Benítez   +3 more
doaj   +1 more source

The Effect of the Diesel Cetane Number on Exhaust Emissions Characteristics by Various Additives

open access: yesJournal of Thermal Science and Technology, 2012
This paper described the effect of the diesel cetane number on exhaust emissions characteristics according to various additives. In addition, the emission characteristics of test fuels blended with three additives (GTL, biodiesel and additive for ...
Yunsung LIM   +5 more
doaj   +1 more source

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