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Articles 3931 - 3960 of 9836
Full-Text Articles in Entire DC Network
Biological Responses In A Dynamic Bouyant River Plume, Mark A. Moline, Thomas K. Frazer, Robert Chant, Scott Glenn, Charles A. Jacoby, John R. Reinfelder, Jennifer Yost, Meng Zhou, Oscar Schofield
Biological Responses In A Dynamic Bouyant River Plume, Mark A. Moline, Thomas K. Frazer, Robert Chant, Scott Glenn, Charles A. Jacoby, John R. Reinfelder, Jennifer Yost, Meng Zhou, Oscar Schofield
Biological Sciences
Buoyant river plumes are highly dynamic and often characterized by marked physical and chemical gradients that interact to drive biological responses. For example, interactions among factors resulting in algal growth (e.g., nutrient and light availability) and algal loss (e.g., sinking and zooplankton grazing) vary with spatiotemporal changes in physics and chemistry. The nature of these interactions profoundly influences the transfer and transformation of materials carried by the plume, including nutrients and metals. In April 2005, during the Lagrangian Transport and Transformation Experiment (LaTTE), water from the Hudson River recirculated in a nearshore eddy before moving southward to mix with relatively …
"Health And Wealth" And The World Wide Web: Leading Renewalist Ministries' Use Of Web To Communicate Social Order, Douglas J. Swanson
"Health And Wealth" And The World Wide Web: Leading Renewalist Ministries' Use Of Web To Communicate Social Order, Douglas J. Swanson
Journalism
Renewalist Christian ministries espouse a “Health andWealth” theology that is embraced by increasing numbers of believers. This study investigated leading renewalist ministries’WorldWideWeb sites to assess their application of visual, operational, and informational enhancements to communicate social order. A content analysis revealed a communication of social order that is consistent with prosperity theology. Much emphasis is placed on the appearance and personality of the ministry leader. Almost no attention is paid to traditional Christian symbolism. Web sites claimed the value of inclusiveness, but offered little visual representation of children, senior adults, the poor, and people of color. Sites communicated the importance …
Three-Dimensional Microfluidic Devices Fabricated In Layered Paper And Tape, Andres W. Martinez, Scott T. Phillips, George M. Whitesides
Three-Dimensional Microfluidic Devices Fabricated In Layered Paper And Tape, Andres W. Martinez, Scott T. Phillips, George M. Whitesides
Chemistry and Biochemistry
This article describes a method for fabricating 3D microfluidic devices by stacking layers of patterned paper and double-sided adhesive tape. Paper-based 3D microfluidic devices have capabilities in microfluidics that are difficult to achieve using conventional open-channel microsystems made from glass or polymers. In particular, 3D paper-based devices wick fluids and distribute microliter volumes of samples from single inlet points into arrays of detection zones (with numbers up to thousands). This capability makes it possible to carry out a range of new analytical protocols simply and inexpensively (all on a piece of paper) without external pumps. We demonstrate a prototype 3D …
Untangling The Debate: The Ethics Of Human Enhancement, Patrick Lin, Fritz Allhoff
Untangling The Debate: The Ethics Of Human Enhancement, Patrick Lin, Fritz Allhoff
Philosophy
Human enhancement, in which nanotechnology is expected to play a major role, continues to be a highly contentious ethical debate, with experts on both sides calling it the single most important issue facing science and society in this brave, new century. This paper is a broad introduction to the symposium herein that explores a range of perspectives related to that debate. We will discuss what human enhancement is and its apparent contrast to therapy; and we will begin to tease apart the myriad intertwined issues that arise in the debate: (1) freedom & autonomy, (2) health & safety, (3) fairness …
Wildfire And Abrupt Ecosystem Disruption On California's Northern Channel Islands At The Allerod-Younger Dryas Boundary (13.0-12.9 Ka), Douglas J. Kennett, James P. Kennett, G. J. West, Jon M. Erlandson, J. R. Johnson, I. L. Hendy, A. West, B. J. Culleton, Terry L. Jones, Thomas W. Stafford, Jr.
Wildfire And Abrupt Ecosystem Disruption On California's Northern Channel Islands At The Allerod-Younger Dryas Boundary (13.0-12.9 Ka), Douglas J. Kennett, James P. Kennett, G. J. West, Jon M. Erlandson, J. R. Johnson, I. L. Hendy, A. West, B. J. Culleton, Terry L. Jones, Thomas W. Stafford, Jr.
Social Sciences
Sedimentary records from California's Northern Channel Islands and the adjacent Santa Barbara Basin (SBB) indicate intense regional biomass burning (wildfire) at the Ållerød–Younger Dryas boundary (~13.0–12.9 ka) (All age ranges in this paper are expressed in thousands of calendar years before present [ka]. Radiocarbon ages will be identified and clearly marked “14C years”.). Multiproxy records in SBB Ocean Drilling Project (ODP) Site 893 indicate that these wildfires coincided with the onset of regional cooling and an abrupt vegetational shift from closed montane forest to more open habitats. Abrupt ecosystem disruption is evident on the Northern Channel Islands at …
Dietary Exposure To 2,2´,4,4´-Tetrabromodiphenyl Ether (Pbde-47) Alters Thyroid Status And Thyroid Hormone–Regulated Gene Transcription In The Pituitary And Brain, Sean C. Lema, Jon T. Dickey, Irvin R. Schultz, Penny Swanson
Dietary Exposure To 2,2´,4,4´-Tetrabromodiphenyl Ether (Pbde-47) Alters Thyroid Status And Thyroid Hormone–Regulated Gene Transcription In The Pituitary And Brain, Sean C. Lema, Jon T. Dickey, Irvin R. Schultz, Penny Swanson
Biological Sciences
No abstract provided.
Mustang Daily, December 1, 2008
Mustang Daily, December 1, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Bioflocculation For Control Of Wastewater Pond Microalgae, Daniel Thomas Frost
Bioflocculation For Control Of Wastewater Pond Microalgae, Daniel Thomas Frost
Master's Theses
Investigates several hypotheses regarding the use of bioflocculation as a harvesting method for wastewater pond microalgae. Research performed on pilot-scale high rate ponds (HRPs) on the California Central Coast.
Real Simple Makes A Real Difference: Cal Poly Turns Ideas Into Action, Galen Ricard
Real Simple Makes A Real Difference: Cal Poly Turns Ideas Into Action, Galen Ricard
Cal Poly Magazine
No abstract provided.
Cal Poly Magazine, Winter 2008
Application Of Parent-Child Uav Tasking For Wildfire Detection And Response, Stephen T. Kubik
Application Of Parent-Child Uav Tasking For Wildfire Detection And Response, Stephen T. Kubik
Master's Theses
In recent years, unmanned aerial vehicles (UAVs) have become a dominant force in the aerospace industry. Recent technological developments have moved these aircraft from remote operation roles to more active response missions. Of particular interest is the possibility of applying UAVs toward solving complex problems in long-endurance missions. Under that belief, the feasibility of utilizing UAVs for wildfire detection and response was investigated in a partnership that included NASA’s Aeronautics Research Mission Directorate and Science Mission Directorate, and the United States Forest Service. Under NASA’s Intelligent Mission Management (IMM) project, research was conducted to develop a mission architecture that would …
High Speed Wavelength Tuning Of Sgdbr Lasers For Optical Coherence Tomography Applications, Benjamin Maher
High Speed Wavelength Tuning Of Sgdbr Lasers For Optical Coherence Tomography Applications, Benjamin Maher
Master's Theses
The application of Sample Grated Distributed Bragg Reflector (SGDBR) wavelength tunable lasers for swept-wavelength Optical Coherence Tomography (OCT) is explored. OCT is a method of measuring reflectivity versus distance into samples under test with a focused infrared light source. Swept wavelength OCT requires a laser light source that is capable of sweeping its wavelength quickly over the entire wavelength range of the tunable laser. Fast sweeping of the laser's wavelength enables real-time imaging of a wide surface area of the surface under test. This thesis will show that SGDBR lasers can be designed to meet the fast wavelength ramp speeds …
Executive Committee - Agenda, 11/25/2008, Academic Senate
Executive Committee - Agenda, 11/25/2008, Academic Senate
Academic Senate Agendas
No abstract provided.
Mustang Daily, November 20, 2008
Mustang Daily, November 20, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, November 13, 2008
Mustang Daily, November 13, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, November 12, 2008
Mustang Daily, November 12, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, November 10, 2008
Mustang Daily, November 10, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, November 6, 2008
Mustang Daily, November 6, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, November 4, 2008
Mustang Daily, November 4, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Cal Poly Alumni Association Announces 2008 Honored Alumni, Public Affairs Office
Cal Poly Alumni Association Announces 2008 Honored Alumni, Public Affairs Office
Press Releases
No abstract provided.
Dynamic Market Impacts Of Generic Dairy Advertising, Charles F. Nicholson, Harry M. Kaiser
Dynamic Market Impacts Of Generic Dairy Advertising, Charles F. Nicholson, Harry M. Kaiser
Agribusiness
Generic advertising of fluid milk and cheese represents the principal promotional activity undertaken with the $370 million per year provided by dairy farmers and fluid milk processors. This article describes a stock-flow-feedback simulation model that includes 17 intermediate and final dairy products, short-term and long-term milk supply response and government policies that influence the impacts of generic advertising on net revenues for dairy farmers. Permanent increases in generic advertising expenditures increase net revenues for dairy farmers, with a cumulative net benefit to cost ratio of 2.8. Permanent decreases produce a larger reduction in net revenues and indicate a net benefit …
Culture Or Adaptation: Milling Stone Reconsidered, Terry L. Jones
Culture Or Adaptation: Milling Stone Reconsidered, Terry L. Jones
Social Sciences
Of interest to D. L. True throughout his career was the California Milling Stone Horizon, the artifact complex dominated by handstones, millingslabs, and crude core tools most frequently associated with the early Holocene in southern California. The basic Milling Stone pattern, identified in 1929 by David Banks Rogers in the Santa Barbara Channel and formally defined by Treganza (1950) and Wallace (1955), was brought to the attention of American archaeologists outside of California by Wallace (1954) and True (1958). Over the next 30 years, D. L. True authored a number of articles and reports on Milling Stone (Basgall and True …
Design And Optimization Of A Blood Vessel Mimic Bioreactor System For The Evaluation Of Intravascular Devices In Simple And Complex Vessel Geometries, Sara M. Leifer
Master's Theses
Coronary artery disease affects millions of people and the ability to detect and treat the disease is advancing at a rapid rate. As a result, the development of intravascular technologies is the focus of many medical device manufacturers. Specifically, coronary stent implantation is being performed in an increasing number of patients and a number of new stent designs have been introduced to the market, resulting in the need for improved preclinical testing methods. An in vitro tissue engineered “blood vessel mimic” (BVM) system has previously been established and its feasibility for the initial testing of newly emerging intravascular technology has …
Mustang Daily, October 29, 2008
Mustang Daily, October 29, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 28, 2008
Mustang Daily, October 28, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 27, 2008
Mustang Daily, October 27, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 24, 2008
Mustang Daily, October 24, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 23, 2008
Mustang Daily, October 23, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Oct. 22, 2008 Cal Poly Report, Public Affairs Office
Oct. 22, 2008 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, October 22, 2008
Mustang Daily, October 22, 2008
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.