Index Catalog // ScholarsArchive@OSU

Utilization of ground peanut husk as an alternative fiber material for particleboard

Creator:: Newton, Jacob A.
Abstract:: This research examined the potential for using peanut husk as a fiber alternative to wood in the production of melamine-formaldehyde (MF) particleboard. MF resin was used to produce panels with one, three, six, nine or 12 percent resin contents. Modulus of Rupture (MOR), Modulus of Elasticity (MOE), Internal Bond (IB)...
Resource Type:: Honors College Thesis
Full Text:: (Equation 2.3. IB) Where: Pmax = Maximum Load (N) a = Width (mm) b = Length (mm) The type of

Trade-offs in ecosystem impacts from nanomaterial versus organic chemical ultraviolet filters in sunscreens

Creator:: Hanigan, David, Truong, Lisa, Schoepf, Jared, Nosaka, Takayuki, Mulchandani, Anjali, Tanguay, Robert L., and Westerhoff, Paul
Abstract:: Both nanoparticulate (nZnO and nTiO(2)) and organic chemical ultraviolet (UV) filters are active ingredients in sunscreen and protect against skin cancer, but limited research exists on the environmental effects of sunscreen release into aquatic systems. To examine the trade-offs of incorporating nano particles (NPs) into sunscreens over the past two...
Resource Type:: Article
Full Text:: ultraviolet filters in sunscreens David Hanigan a, *, Lisa Truong c, Jared Schoepf d, Takayuki Nosaka d

Three-Dimensional Simulations of Plate Anchor Pullout in Granular Materials

Creator:: Evans, T. Matthew and Zhang, Nan
Abstract:: Plate anchors are embedded into the ocean floor to provide holding capacity for offshore structures. Anchor holding capacity is a function of both the anchor and soil properties. Although plate anchors have been widely studied experimentally and numerically, there is still no universally agreed-upon design approach, indicating that the problem...
Resource Type:: Article
Full Text:: ., 2019, 19(4): 04019004 D ow nl oa de d fr om a sc el ib ra ry .o rg b y O R E G O N S

The Power of Three: Coral Reefs, Seagrasses and Mangroves Protect Coastal Regions and Increase Their Resilience

Creator:: Guannel, Greg, Arkema, Katie, Ruggiero, Peter, and Verutes, Gregory
Abstract:: Natural habitats have the ability to protect coastal communities against the impacts of waves and storms, yet it is unclear how different habitats complement each other to reduce those impacts. Here, we investigate the individual and combined coastal protection services supplied by live corals on reefs, seagrass meadows, and mangrove...
Resource Type:: Article
Full Text:: protection benefits supplied by specific habitats on a seascape (e.g., a wetland, a coral reef, etc.) [4–6,8

The impact of wave energy converter arrays on wave-induced forcing in the surf zone

Creator:: O'Dea, Annika, Haller, Merrick C., and Ozkan-Haller, H. Tuba
Abstract:: An alternative metric for assessing nearshore hydrodynamic impact due to Wave Energy Converter (WEC) arrays is presented that is based on the modeled changes in alongshore radiation stress gradients in the lee of the array. The metric is developed using a previously observed relationship between measured radiation stresses and alongshore...
Resource Type:: Article
Full Text:: of wave energy converter arrays on wave-induced forcing in the surf zone Annika O'Dea a,*, Merrick C

The Holocene retreat dynamics and stability of Petermann Glacier in northwest Greenland

Creator:: Jakobsson, Martin, Hogan, Kelly A., Mayer, Larry A., Mix, Alan, Jennings, Anne, Stoner, Joe, Eriksson, Bjorn, Jerram, Kevin, Mohammad, Rezwan, Pearce, Christof, Reilly, Brendan, and Stranne, Christian
Abstract:: Submarine glacial landforms in fjords are imprints of the dynamic behaviour of marine-terminating glaciers and are informative about their most recent retreat phase. Here we use detailed multibeam bathymetry to map glacial landforms in Petermann Fjord and Nares Strait, northwestern Greenland. A large grounding-zone wedge (GZW) demonstrates that Petermann Glacier...
Resource Type:: Article
Full Text:: the survey area. IB Oden has a hull-mounted Kongsberg EM 122 (12 kHz, 1° × 1°) multibeam echosounder

The Generation of a Zebrafish Microbial Culture Collection to Facilitate Mechanistic Understanding of Host-Microbe Interactions

Creator:: VanderHoek, Zoe K.
Abstract:: A rapidly expanding body of evidence suggests that relationships exist between the microbiome and vertebrate health and disease. The zebrafish is a frequently utilized model organism to support this claim. Specifically, its gut microbiome is an advantageous resource for the study of microbiome health and diversity. While it is an...
Resource Type:: Honors College Thesis
Full Text:: The Generation of a Zebrafish Microbial Culture

Temperature Evolution of Nonreacting Spark Kernels at Sub-Atmospheric Pressures

Creator:: Caplan, Daniel L.
Abstract:: In the event of a mid-flight flameout of a gas turbine engine, reignition is paramount to occupant safety. Ignition at high altitude can be challenging, due in part to the potentially lower ambient pressures. An understanding of the effects of sub-atmospheric pressures on the temperature evolution of spark kernels is...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ David L. Blunck In the event of a mid-flight flameout of a gas turbine engine

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Creator:: Lehrburger, David J.
Abstract:: Myxozoans are microscopic parasites, related to corals and jellyfish. Most Myxozoa probably have two-host lifecycles that require a vertebrate (typically fish) and invertebrate (annelid or bryozoan). However no life cycle is known from the Sphaerospora lineage. I hypothesized that the life cycle of Sphaerospora elegans, a myxozoan parasite of three-spined...
Resource Type:: Honors College Thesis
Full Text:: David Lehrburger A THESIS submitted to Oregon State University Honors

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

Creator:: Cummings, Brittany M.
Abstract:: Water quality impacts both human and ecosystem health. Many pharmaceuticals and personal care products are considered contaminants of emerging concern (CEC) due to their bioactive properties. Among these, metformin—the most commonly prescribed drug for treatment of type 2 diabetes—has been reported at high concentrations (μg L⁻¹) in stream, lake, and...
Resource Type:: Masters Thesis
Full Text:: A THESIS Presented to the Institute of Environmental Health and the Oregon Health & Science

ScholarsArchive@OSU

Utilization of ground peanut husk as an alternative fiber material for particleboard

Trade-offs in ecosystem impacts from nanomaterial versus organic chemical ultraviolet filters in sunscreens

Three-Dimensional Simulations of Plate Anchor Pullout in Granular Materials

The Power of Three: Coral Reefs, Seagrasses and Mangroves Protect Coastal Regions and Increase Their Resilience

The impact of wave energy converter arrays on wave-induced forcing in the surf zone

The Holocene retreat dynamics and stability of Petermann Glacier in northwest Greenland

The Generation of a Zebrafish Microbial Culture Collection to Facilitate Mechanistic Understanding of Host-Microbe Interactions

Temperature Evolution of Nonreacting Spark Kernels at Sub-Atmospheric Pressures

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

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