Browsing by Subject "Duluth Journal of Undergraduate Research"
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Item About DJUR(2014)Item Analysis of Factors Affecting Dust Explosion(2014) Aurnob, Kazi; Lodge, KeithIn the US alone, the Chemical Safety Board reported 281 dust explosions that occurred between 1980 and 2005; resulting in 199 fatalities and 718 injuries. The basic factors required for a dust explosion are: a combustible dust, suspension of dust in high concentration, atmospheric oxygen, and an ignition source. Typically it is very difficult to eliminate factors in a factory setting handling dust particles. This study focuses on the electrostatic charge produced when dust particles are transported pneumatically in a pipe. This electrostatic charge can lead to ignition source and hence cause a catastrophe. Humidity is found to be in direct correlation with electrostatic charge. At a higher humidity, conductivity increases and the charge is more likely to dissipate. Besides looking at related works of other researchers (who looked at electrostatic charges and the influence of humidity on them), experiments were also carried out to analyze the influence of charge on different powders when suspended in different environment and the charge decay time at low humidity as well as at high humidity. It was confirmed that humidity mitigates the situation by decreasing the charge decay time (unless the powder is hydrophobic).Item Attempting to Feed America: Examining the Many Stakeholders Involved within the Food Banking System(2015) Pelzer, Katie C.; Souza, Rebecca deItem Colley Cibber’s Adaptation of Shakespeare’s Richard III: A Lutheran View of Divine Providence(2015) Geer, Gretchen; Cannan, Paul D.Item The Contribution of Black Carbon to Bulk Lake Superior Sediment(2014) Rhoades, Brandon; Minor, Elizabeth C.Item DJUR 2014 Cover(2014)Item DJUR 2015 Editorial Board(2015)Item DJUR Copyright Declaration(2014)Item DJUR Disclaiming Statement(2014)Item DJUR Editorial Board(2014)Item Dystrophin Mutations Associated with Duchenne and Becker Muscular Dystrophy with Thermodynamic Analysis Using Differential Scanning Calorimetry(2015) Botts, Michelle; Hinderliter, AnneItem The Effect of Free Trade Agreement (FTA) on Small Open Economics: Implications for the Korea - US (KORUS) FTA(2014) Lee, SungkookGiven that the KORUS / Korea-EU agreement has not been long put into effect and Korea-China agreement is not ratified, in order to extrapolate the effect of the KORUS FTA on Korea, the study explores simulation of economic effects of free trade agreements between Korea and advanced economies in the recent past. Combining results from previous research, the study draws economic effects and implications of KORUS FTA on Korea. In general, the Korean economy will achieve a quantitative economic expansion to a greater or lesser degree through KORUS FTA. We can find similar results on the research of KOREU and Korean-China FTA. FTA between a relative smaller open economy and a bigger market economy will give a driving force of economic growth on the functioning of the relatively small and open economies.Item Effectiveness of an Analog of Thyrotropin-Releasing Hormone in Alleviating PTSD, Using an Animal Model of Anxiety(2015) Leff, Dustyn; Lloyd, Robert L.Item Emotional Labor in China: Relationships with Burnout, Job Satisfaction, and Perceived Group Membership as Predictors(2014) Zhang, Yuyan; Luong, AlexandraItem EnergyPlus Energy Simulation Software(2014) Gerber, Michael; Dave, Eshan V.Item Fabrication Procedure Optimizations of Solar Cells(2014) Chen, Zhengtao; Xu, ZhihuaItem Generation of Pseudoprimes(2014) Stewart, Danielle; Greene, John R.Item Identification of Unknown Apple (Malus × domestica) Varieties in the Duluth Region Using DNA Simple Sequence Repeats(2014) Wedger, Marshall J.; Gross, BrianaItem Incorporation of Duluth Complex Maps into GIS Platform(2014) Lentsch, Nathan; Miller, JamesItem Investigate Methods to Increase the Usefulness of Stereolithography 3D Printed Objects by Adding Carbon Nanotubes to Photo-Curable Resins(2014) Wagner, Karl S.; Enemuoh, EmmanuelThis paper aims to inform the reader about the aspects of compositing carbon nanotubes in photo curable resin that is commonly used in stereo lithography 3D printers. The focus is to increase the strength of the resin to allow for a greater range of objects to be printed with SLA printers. The paper will look at the different types of carbon nanotubes that can be used, what weight percent of nanotubes in resin will most likely work best in a printing environment based on surface hardness and cure time, and comparative destructive testing. It was shown with a small sample size that the carbon nanotubes composite had lower strength but greater toughness over pure neat resin.
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