Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 1235 for “"pollutants"”.
-
Neurotoxicity of environmental pollutants
… retardants (BFRs) and alkylphenols (APs) are pollutants commonly found within the environment and have human health concerns due to their endocrine disrupting and cytotoxic effects. BFRs are used to reduce the flammability of a variety of consumer products such as foam furnishings, whereas APs …
-
Adsorption of Organic Pollutants onto Microplastics
… environment and are capable of adsorbing organic pollutants, acting as vectors of transport. Their small size allows for more surface area for contaminates to adsorb onto. Weathering of MPs also allows for stronger interactions between contaminates due to new carbonyl groups on the MPs surface. …
-
Comparative extraction techniques for environmental pollutants
By addressing new sample preparation techniques, the U.S. Environmental Protection Agency (EPA) has recently implemented research programs to reduce or abolish laboratory pollution. In the work reported here, EPA Method 8270, established for Priority Pollutant Organics, will be evaluated by both …
-
Exposure to hazardous air pollutants in homes
… have found that human exposure to hazardous air pollutants (HAPs) occurs in homes; however, the depth of these assessments was limited by the extent of the analyzed data. The present Ph.D. dissertation focused on air contaminants of concern in residential buildings, the possible sources of these …
-
Chemical and Physical Characterization of Environmental Pollutants
Made available in DSpace on 2014-12-13T20:10:46Z (GMT). No. of bitstreams: 1 8004290.pdf: 3647834 bytes, checksum: 2ff9cb9b58cc1a75e99dee40173a5810 (MD5) Previous issue date: 1979
-
Catchment scale modelling of micro and emerging pollutants
… if the solutes are micro and emerging pollutants (i.e. pharmaceuticals), which are non-regulated contaminants not routinely monitored but often-detected in fresh waters, the description of the transport sources and routes becomes an interesting and challenging topic to investigate and …
-
Assessment of road pollutants in roadside retention ponds.
… ponds manage runoff and are a key pathway for pollutants from roads to the wider aquatic environment. Hence the aim of this work was to assess retention ponds as a pathway for TRWPs, MPs, and additive chemicals entering the aquatic environment. A direct injection ultra-high performance liquid …
-
Interactions of Environmental Pollutants with Human Gut Bacteria
… agricultural systems, a vast number of chemical pollutants make it into the food and hence into the human body. While pharmaceutical drugs have been shown to have a strong impact on the human gut microbiota both in vitro and in vivo, relatively little is known about the effects of other …
-
Control of Volatile Organic Compound (VOC) Air Pollutants
… to remove volatile organic compound (VOC) air pollutants from contaminated gas streams. As regulatory and public opinion pressures increase, companies are searching for more effective methods to control these emissions. This document is intended as a guide to help determine if existing systems …
-
Sorption and release of dissolved pollutants via bioretention media.
… non-point source of pollution that contains many pollutants that have deleterious effects on the environment. To manage stormwater, different techniques that target specific stormwater pollutants may be implemented in watersheds. One such treatment practice is called bioretention, or rain gardens. …
-
Long-Term Assessments Of Some Vessel-Source Marine Pollutants
… primarily upon three vessel-source marine pollutants; oil or oily mixtures, packaged dangerous or harmful goods and garbage.<br/><br/>After a review of the literature, assessment strategies, designs, methodologies and analytical techniques were devised and applied over varying spatial and …
-
IDENTIFICATION AND QUANTIFICATION OF IONIC POLLUTANTS IN ENVIRONMENTAL WATER
… the determination of both cationic and anionic pollutants in environmental water. In chapter 2, a DNA-based molecular beacon fluorescent sensor was demonstrated for the detection of a cationic pollutant, namely Hg2+, with tunable detection range. This sensor can easily detect Hg2+ in the …
-
Determination and control of some pollutants in indoor environments
… are available to limit the exposure to unwanted pollutants and improve human wellbeing and health. One goal of this thesis was to determine two microbial markers (3-hydroxy fatty acids of bacterial lipopolysaccharide and ergosterol of fungal biomass) in waterpipe smoke. A second goal was to study …
-
STUDIES ON BIOLOGICAL TRANSPORT PHENOMENA OF ENVIRONMENTAL CHEMICAL POLLUTANTS
本文データは平成22年度国立国会図書館の学位論文(博士)のデジタル化実施により作成された画像ファイルを基にpdf変換したものである
-
Electrical detection of atmospheric pollutants and detergents on silicon
… represent significant challenges today. Many air pollutants consistently exceed exposure levels the World Health Organization (WHO) recommends. Establishing an extensive network of high-quality sensors capable of accurately detecting primary pollutants is essential for conducting global air …
-
Effects of selected pollutants on grazer utilization of Aufwuchs
The trophic level impact of structural changes in Aufwuchs communities resulting from low levels of stress can be assessed through analyses of the nutritive value of the microfloral community in conjunction with measurements of grazer consumption rates and assimilation efficiencies. Artificial …
-
Determining the temporal and spatial variations of pollutants in Toronto
… to assess the spatial and temporal variations of pollutants in Toronto. Annual, seasonal, and monthly pollutant trends were computed from as early as 1974 to as late as the end of 2022. Decreasing NO, NO2, NOx and CO trends were found, perhaps associated with the elimination of coal-fired power …
-
Thermal Analysis of Binding of Organic Pollutants to Titanium Dioxide
<p>Conventional waste water treatment processes are not completely effective in removing highly stable organic compounds. Photocatalytic degradation on titanium dioxide is a possible alternative technique for many classes of these compounds. Several studies have been done by other researchers to …
Page 1 of 62