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Articles 391 - 420 of 1492
Full-Text Articles in Chemistry
Arlington Heights / Algonquin Rd
Arlington Heights / Algonquin Rd
United States Data - Illinois
Relevant Publications
Air & Waste Management Association Publication (1999)
Environmental Science & Technology Publication (2003)
Environmental Science & Technology Publication (2008)
Environmental Science & Technology Publication (2016)
Environmental Science & Technology Publication (2018)
Environmental Science & Technology Publication (2021)
Denver - 1989 University & I-25
Denver - 1989 University & I-25
United States Data - Colorado
Relevant Publications
Environmental Science & Technology Publication (1990)
Tuscan - 1994
United States Data - Arizona
Relevant Publications
Environmental Science & Technology Publication (1996)
Grand Junction - 2001
United States Data - Colorado
Relevant Publications
Seatac Intl. Airport - 2013
United States Data - Washington
Relevant Publications
Environmental Science & Technology Publication (2016)
Phoenix
United States Data - Arizona
Relevant Publications
Environmental Science & Technology Publication (2008)
Denver - 1991 6th & I-70
United States Data - Colorado
Relevant Publications
Environmental Science & Technology Publication (1993)
Glenwood Springs - 2001
United States Data - Colorado
Relevant Publications
Ute Pass - 1989
United States Data - Colorado
Relevant Publications
Environmental Science & Technology Publication (1996)
Omaha - 2002 / 2004
United States Data - Nebraska
Relevant Publications
El Paso / Juarez - 1993
United States Data - Texas
Relevant Publications
Environmental Science & Technology Publication (1996)
Extreme Weather And Its Impacts On Human Civilizations: An In-Depth Investigation Of Causes And Effects, Jason Zabel
Extreme Weather And Its Impacts On Human Civilizations: An In-Depth Investigation Of Causes And Effects, Jason Zabel
Senior Honors Theses
Extreme weather has impacted humanity since creation and is an important topic that deserves examination. In this thesis, the main event that is presented and analyzed is the extreme haze that clouded much of China’s skies in 2013. Further, the impacts this major event had on people, including changes in population movement, death/injury rate, and changes in atmospheric chemistry due to the high concentration of particulates are discussed. Subsequent examples that will be explored include Hurricane Katrina and the eruption of Mt. St. Helens. The main contention of this thesis is that the effects extreme weather has on human civilization …
Provo - 1991
United States Data - Utah
Relevant Publications
Air & Waste Management Association Publication (1993)
Tuscarora Mountain Tunnel - 1991
Tuscarora Mountain Tunnel - 1991
United States Data - Pennsylvania
Relevant Publications
Atmospheric Environment Publication (1996)
Isolated Point Discharges Into Coastal Swashes As Nutrient Sources To Coastal Waters, Mary E. Olsen
Isolated Point Discharges Into Coastal Swashes As Nutrient Sources To Coastal Waters, Mary E. Olsen
Honors Theses
Coastal water quality in the Grand Strand of South Carolina is directly influenced by human activities. Nutrient-rich runoff, stemming from numerous anthropogenic sources, finds its way into coastal waters through freshwater inputs often through tidal creeks, termed swashes. In order to better describe the amount of nutrient inputs into Singleton Swash and White Point Swash, we examine anthropogenic runoff from isolated identifiable point discharges and their nutrient concentrations. We report concentrations of dissolved inorganic nitrogen (DIN, as the sum of nitrate, nitrite and ammonium) and phosphate in discharge and creek water. We hypothesize that nutrient concentrations of isolated, minor point …
Pectin And Alginate Extraction To Treat Liquid Cafo Manure, Clare Sunderman
Pectin And Alginate Extraction To Treat Liquid Cafo Manure, Clare Sunderman
Honors Projects
For this project, various extraction methods were used to extract pectin from Pastinaca Sativa and alginate from Macrocystis. These extractions were then dried and used in treating 250mL of manure along with a CaCl2 or FeCl3 coagulant. It was found that CaCl2 was not as effective as FeCl3 in coagulating manure. But the results obtained suggest that pectin and alginate obtained with a simpler extraction method is just as effective as the highly purified and refined pectin and alginate produced for the food industry, in the treatment of CAFO manure. The liquid portion of the …
006— Pretreatment And Fiber Content Analysis Of Cannabis Sativa, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
006— Pretreatment And Fiber Content Analysis Of Cannabis Sativa, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
GREAT Day Posters
Cannabis sativa commonly known as hemp is one of the fastest-growing plants whose refined products have immense commercial value. Various products include refined hemp such as: biofuels, biodegradable plastics, textiles, dietary supplements, paper, clothing, and much more. Hemp fibers are also used in construction and manufacturing applications by strengthening their composite products. Hemp is a high yielding, sustainable, and environmentally friendly crop due to its various qualities, and has the potential to yield valuable raw materials for a great number of applications. Our research evaluates the pretreatment of hemp as well as the comparative analysis of the fiber content thereof. …
041— Fiber Decomposition And Pretreatment Analysis Of Cannabis Sativa L.: Hemp, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
041— Fiber Decomposition And Pretreatment Analysis Of Cannabis Sativa L.: Hemp, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
GREAT Day Posters
Hemp is a subspecies of Cannabis sativa L. along with marijuana, yet the two differ in chemical constituent levels of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). Hemp contains 0.3% THC, compared to marijuana 17.1%, allowing it to be a safe and compelling biomass for investigation. The refined products of hemp are vast due to its fast-growing properties; therefore various commercial industries have included refined hemp in biofuels, biodegradable plastics, textiles, dietary supplements, paper, clothing, and much more. Construction and manufacturing applications have also been seen to include hemp to strengthen their composite products. The high-yielding, sustainable, and environmentally friendly qualities …
Anion Removal By Partially Positive Adsorbents, Breanna Dragseth, Matt Desmith, Emily Robinson, Abi Bartlett
Anion Removal By Partially Positive Adsorbents, Breanna Dragseth, Matt Desmith, Emily Robinson, Abi Bartlett
Undergraduate Research Symposium 2021
Nitrates and phosphates exist naturally but are present in elevated concentrations in many areas primarily due to agriculture; these elevated concentrations are concerning for human and environmental health. The project considered the ability of four different materials used for adsorption (adsorbents) to adsorb nitrate and phosphate. All adsorbents had a silica base with an amine (NH2) group and were further functionalized with different ligands consisting of an aromatic ring functionalized with electron withdrawing groups, creating a partial positive environment to help attract the anions of interest. We also synthesized control materials to determine how effective our engineered materials are. The …
Co2 Capturing Materials, Isaac Sanchez
Co2 Capturing Materials, Isaac Sanchez
Undergraduate Research Symposium 2021
Greenhouse gas emissions are one of, if not the major cause of global warming. With CO2 emissions rising annually, it is paramount to selectively capture and remove CO2 from flue gas. One method of capturing CO2 gas is via porous materials. Covalent organic frameworks (COFs) are porous materials which have been explored throughout this research. Two important features of COFs are the base unit linkage types (BULTs) and the functional groups attached to the organic linkers (OLs). The BULT used in this research was a covalent triazine framework (CTF) and the main functional group used in the …
Comparison Of Methods For Measuring Cation Exchange Capacity In Clays, Sarah Glaesemann
Comparison Of Methods For Measuring Cation Exchange Capacity In Clays, Sarah Glaesemann
Undergraduate Research Conference
No abstract provided.
Kathmandu Nepal - 1993
World Data - Asia
Relevant Publications
Environmental Science & Technology Publication (1995)
Thessaloniki Greece - 1992
World Data - Europe
Relevant Publications
Environmental Science & Technology Publication (1995)
3rd International Symposium: Transport and Air Pollution (1994)
Tulsa - Wb Us64 To Sb Us169
United States Data - Oklahoma
Relevant Publications
Environmental Science & Technology Publication (2006)
Environmental Science & Technology Publication (2008)
Environmental Science & Technology Publication (2014)
Environmental Science & Technology Publication (2015)
Environmental Science & Technology Publication (2021)
Fort Mchenry Tunnel - 1991
United States Data - Maryland
Relevant Publications
Air & Waste Management Association Publication (1994)
Atmospheric Environment Publication (1996)
Characterization Of Uranium, Lead, And Rare Earth Element Pollution In Natural Soils And Sediments, Hope Rasmussen
Characterization Of Uranium, Lead, And Rare Earth Element Pollution In Natural Soils And Sediments, Hope Rasmussen
Civil and Environmental Engineering Theses and Dissertations
Heavy metals in the environment add to the global burden of pollution, negatively impacting public health and ecosystem resilience. This study included projects regarding uranium (U), lead (Pb), and rare earth elements (REE) in natural samples, due to their known toxicity, ubiquity, and relevance in context to recent pollution trends. The first project focused on testing the potential of using a hydroxyapatite product as a remediation solution for U-contaminated groundwater and soil at an EPA Superfund site. The results showed that the U was sequestered in a highly crystalline mineral form within the solids, guiding the EPA to specify the …
Past, Present, And Future– A Review Of Berrien County Water And Great Lakes Water Resources And Quality, Jongwan Bae
Past, Present, And Future– A Review Of Berrien County Water And Great Lakes Water Resources And Quality, Jongwan Bae
Honors Scholars & Undergraduate Research Poster Symposium Programs
The decrease in water quality for environmental and drinking water has been prevalent in the Great Lakes region, where industrialization, agricultural development, and population increase have contributed substantially. Looking through historical reports and the present, the degradation in water quality will likely continue. Our research intends to use inductively coupled plasma atomic emission spectroscopy to create a methodology to quantitatively detect various heavy metals and other elements from any water source. Current research has been on the determination of a niche in water testing and the creation of an infographic, as well as data of simple water samples.