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Articles 4171 - 4200 of 8069
Full-Text Articles in Entire DC Network
Mustang Daily, March 1, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Luther Burbank: Honorary Member Of The American Breeders' Association, William D. Stansfield
Luther Burbank: Honorary Member Of The American Breeders' Association, William D. Stansfield
Biological Sciences
No abstract provided.
Neural-Electronic Inhibition Simulated With A Neuron Model Implemented In Spice, Robert B. Szlavik, Abuhanif K. Bhuiyan, Anthony Carver, Frank Jenkins
Neural-Electronic Inhibition Simulated With A Neuron Model Implemented In Spice, Robert B. Szlavik, Abuhanif K. Bhuiyan, Anthony Carver, Frank Jenkins
Biomedical Engineering
There have been numerous studies presented in the literature related to the simulation of the interaction between biological neurons and electronic devices. A complicating factor associated with these simulations is the algebraic complexity involved in implementation. This complication has impeded simulation of more involved neural-electronic circuitry and consequently has limited potential advancements in the integration of biological neurons with synthetic electronics. In this paper, we describe a modification to a previously proposed SPICE based Hodgkin-Huxley neuron model that demonstrates more physiologically relevant electrical behavior. We utilize this SPICE based neuron model in conjunction with an external circuit that allows for …
Mustang Daily, February 24, 2006
Mustang Daily, February 24, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
February 22, 2006 Cal Poly Report, Public Affairs Office
February 22, 2006 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
February 22, 2006 Cal Poly Report, Public Affairs Office
February 22, 2006 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, February 6, 2006
Mustang Daily, February 6, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, February 2, 2006
Mustang Daily, February 2, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, February 1, 2006
Mustang Daily, February 1, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Analysis Of Compost Treatments To Establish Shrubs And Improve Water Quality, Brent G. Hallock, Anne Power, Steve Rein, Michael Curto, Misty Scharff
Analysis Of Compost Treatments To Establish Shrubs And Improve Water Quality, Brent G. Hallock, Anne Power, Steve Rein, Michael Curto, Misty Scharff
Earth and Soil Sciences
Utilization of compost as an erosion control tool is gaining momentum for many reasons. Compost offers excellent surface protection for reducing topsoil loss while providing a favorable substrate for hydroseed mixes. Soil moisture is retained and nutrients for vegetation are provided, meanwhile inhibiting undesirable plant species. However, there is wide variation in available compost sources and cost. Possible interactions between compost composition, soil type and vegetation production may occur. Hence, an experiment aimed to determine whether there is a noticeable difference in erosion control and seedling germination performance between several common types of compost applied at varying rates and methods …
Mustang Daily, January 25, 2006
Mustang Daily, January 25, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, January 18, 2006
Mustang Daily, January 18, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
The Impacts Of Climate Change In Coastal Marine Systems, Christopher D.G. Harley, A. Randall Hughes, Kristin M. Hultgren, Benjamin G. Miner, Cascade J.B. Sorte, Carol S. Thornber, Laura F. Rodriguez, Lars Tomanek, Susan L. Williams
The Impacts Of Climate Change In Coastal Marine Systems, Christopher D.G. Harley, A. Randall Hughes, Kristin M. Hultgren, Benjamin G. Miner, Cascade J.B. Sorte, Carol S. Thornber, Laura F. Rodriguez, Lars Tomanek, Susan L. Williams
Biological Sciences
Anthropogenically induced global climate change has profound implications for marine ecosystems and the economic and social systems that depend upon them. The relationship between temperature and individual performance is reasonably well understood, and much climate-related research has focused on potential shifts in distribution and abundance driven directly by temperature. However, recent work has revealed that both abiotic changes and biological responses in the ocean will be substantially more complex. For example, changes in ocean chemistry may be more important than changes in temperature for the performance and survival of many organisms. Ocean circulation, which drives larval transport, will also change, …
January 11, 2006 Cal Poly Report, Public Affairs Office
January 11, 2006 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
January 11, 2006 Cal Poly Report, Public Affairs Office
January 11, 2006 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, January 10, 2006
Mustang Daily, January 10, 2006
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Evaluation Of Adherence Of Bifidobacterium And Lactobacillus Strains To Cell Membranes By Blot Analysis And Optical Tweezers, J. Sharpe, C. Iñiguez, E. Acedo-Félix, Rafael Jiménez-Flores
Evaluation Of Adherence Of Bifidobacterium And Lactobacillus Strains To Cell Membranes By Blot Analysis And Optical Tweezers, J. Sharpe, C. Iñiguez, E. Acedo-Félix, Rafael Jiménez-Flores
Dairy Science
Abstract of paper presented at the 2006 Joint Annual Meeting of the American Dairy Science Association & the American Society of Animal Science.
Grants And Contracts Awarded In Fiscal Year 2006, Grants Development Office
Grants And Contracts Awarded In Fiscal Year 2006, Grants Development Office
Grants Development Office Reports
No abstract provided.
Simulated Performances Of A Heat Pump System For Energy And Water Conservation In Open And Confined Greenhouse Systems, Ilhami Yildiz, D. P. Stombaugh
Simulated Performances Of A Heat Pump System For Energy And Water Conservation In Open And Confined Greenhouse Systems, Ilhami Yildiz, D. P. Stombaugh
BioResource and Agricultural Engineering
The purpose of this study was to determine and compare the performances of conventional and heat pump systems for energy and water conservation in open and confined greenhouse systems. Conventional gas furnaces and evaporative cooling, respectively, provided heating and cooling in the conventional system. In the heat pump systems, gas-fired heat pump units provided both heating and cooling. The greenhouse with heat pump units also had an option to be operated as a completely confined system, using one of the heat pump units as a dehumidifier. Average energy consumption in winter was 56.9, 23.5, and 11.3 MJ/day.m² in the conventional, …
Planning For Water Quality: Implementation Of The Npdes Phase Ii Stormwater Program In California And Kansas, Stacey Swearingen White, Michael R. Boswell
Planning For Water Quality: Implementation Of The Npdes Phase Ii Stormwater Program In California And Kansas, Stacey Swearingen White, Michael R. Boswell
City and Regional Planning
In the United States, the federal government is increasingly relying on local governments to implement policies that address the nation's lingering environmental problems. Yet, little is known about the factors that influence local level implementation of a federal mandate. This paper explores local government response to the NPDES Phase II Stormwater Program in California and Kansas by investigating local conditions, perceptions of the federal program, and implementer characteristics. The study found that fiscal resources, a well-educated public, positive perceptions of' the federal policy, and co-operative planning efforts lead to better compliance with the mandate and a higher quality response.
Annual Summary Of Grant And Contract Activity Fiscal Year 2006, Grants Development Office
Annual Summary Of Grant And Contract Activity Fiscal Year 2006, Grants Development Office
Grants Development Office Reports
No abstract provided.
Proposals Submitted In Fiscal Year 2006, Grants Development Office
Proposals Submitted In Fiscal Year 2006, Grants Development Office
Grants Development Office Reports
No abstract provided.
Winter Profile Of Plasma Sex Steroid Levels In Free-Living Male Western Diamond-Backed Rattlesnakes, Crotalus Atrox (Serpentes: Viperidae), Gordon W. Schuett, Roger A. Repp, Emily N. Taylor, Dale F. Denardo, Ryan L. Earley, Edward A. Van Kirk, William J. Murdoch
Winter Profile Of Plasma Sex Steroid Levels In Free-Living Male Western Diamond-Backed Rattlesnakes, Crotalus Atrox (Serpentes: Viperidae), Gordon W. Schuett, Roger A. Repp, Emily N. Taylor, Dale F. Denardo, Ryan L. Earley, Edward A. Van Kirk, William J. Murdoch
Biological Sciences
Recent field studies on the reproductive ecology of western diamond-backed rattlesnakes (Crotalus atrox) from populations in southern Arizona showed significant differences in the concentration of plasma sex steroids (testosterone, T; 5α-dihydrotestosterone, DHT; and 17β-estradiol, E2) throughout the active season (March–October), and peak levels were coincident with the two mating periods (late summer and early spring). There is, however, no information on levels of sex steroids during winter. Similar to most snakes, hibernating individuals of C. atrox are typically inaccessible, but in southern Arizona, where environmental conditions are typically mild during winter, adult males frequently bask at …
A Reaction–Diffusion Analysis Of Energetics In Large Muscle Fibers Secondarily Evolved For Aerobic Locomotor Function, Kristin M. Hardy, Bruce R. Locke, Marilia Da Silva, Stephen T. Kinsey
A Reaction–Diffusion Analysis Of Energetics In Large Muscle Fibers Secondarily Evolved For Aerobic Locomotor Function, Kristin M. Hardy, Bruce R. Locke, Marilia Da Silva, Stephen T. Kinsey
Biological Sciences
The muscles that power swimming in the blue crab, Callinectes sapidus, grow hypertrophically, such that in juvenile crabs the cell diameters are
Phytoremediation: An Affordable Green Technology For The Clean-Up Of Metal-Contaminated Sites In Sri Lanka, Nishanta Rajakaruna, Kathleen M. Tompkins, Peter G. Pavicevic
Phytoremediation: An Affordable Green Technology For The Clean-Up Of Metal-Contaminated Sites In Sri Lanka, Nishanta Rajakaruna, Kathleen M. Tompkins, Peter G. Pavicevic
Biological Sciences
Phytoremediation, the use of plants to remediate sites contaminated with organic and inorganic pollutants, and phytomining, the technology involved in extracting the pollutants removed for commercial purposes, are rapidly-growing industries with multi-million dollar markets. This solar-driven, green technology is oftenfavored over more conventional methods of clean-up due to its low cost, low impact, and wider public acceptance. In this paper we discuss phytoremediation as a valid alternative for remediating contaminated bodies of soils and water in developing countries like Sri Lanka, where clean-up can often be stalled due to the high costs associated with traditional remediation technologies. While phytoremediation techniques …
Water Conservation And Wastewater Treatment, Samuel A. Vigil
Water Conservation And Wastewater Treatment, Samuel A. Vigil
Civil and Environmental Engineering
No abstract provided.
Fossil History Of Billfishes (Xiphioidei), Harry L. Fierstine
Fossil History Of Billfishes (Xiphioidei), Harry L. Fierstine
Biological Sciences
This review characterizes each of the five extinct and extant families of billfishes and discusses the relevant literature. Families include: Hemingwayidae (monotypic; late Paleocene, Turkmenistan), Blochiidae (1 genus, 2 species; middle Eocene, Italy), Palaeorhynchidae (4 genera, ca. 22 species; early Eocene-possibly early Miocene, Europe, Iran, Russia, U.S.A.), Xiphiidae that includes the subfamilies Xiphiorhynchinae (1 genus, 9 species; early Eocene-late Oligocene, Egypt, Europe, U.S.A.) and Xiphiinae (monotypic; middle Miocene-present, world-wide temperate- tropical seas), and the Istiophoridae (3 genera, 13 species; middle Miocene-present; world-wide temperate-tropical seas). Billfishes first appeared in the region of the ancient Tethys Sea (or Paratethys), except for the …
Viewpoint: Look Before Taking Another Leap For Mankind- Ethical And Social Considerationa In Rebuilding Society In Space, Patrick Lin
Philosophy
Commercial space travel is looking more like a real possibility than science fiction, but tied to that ambition we may be held back by the gravity of emerging ethical dilemmas. This viewpoint article surveys a range of social, economic, and political questions, and critically evaluates reasons why we should explore space. The usual ethical issues related to environmental and safety concerns are just the beginning, as there are other interesting questions, such as: what would be a fair process for commercializing or claiming property in space; how likely would a separatist movement be among space settlements who want to be …
Using Latent Effects To Determine The Ecological Importance Of Dissolved Organic Matter To Marine Invertebrates, Dean E. Wendt, Collin H. Johnson
Using Latent Effects To Determine The Ecological Importance Of Dissolved Organic Matter To Marine Invertebrates, Dean E. Wendt, Collin H. Johnson
Biological Sciences
The uptake and utilization of dissolved organic matter (DOM) by marine invertebrates is a field that has received significant attention over the past 100 years. Although it is well established that DOM is taken up by marine invertebrates, the extent to which it contributes to an animal's survival, growth, and reproduction (that is, the ecological benefits) remains largely unknown. Previous work seeking to demonstrate the putative ecological benefits of DOM uptake have examined them within a single life stage of an animal. Moreover, most of the benefits are demonstrated through indirect approaches by examining (1) mass balance, or (2) making …
Factors That Influence Elastomeric Coating Performance: The Effect Of Coating Thickness On Basal Plate Morphology, Growth And Critical Removal Stress Of The Barnacle Balanus Amphitrite, D. E. Wendt, G. L. Kowalke, J. Kim, I. L. Singer
Factors That Influence Elastomeric Coating Performance: The Effect Of Coating Thickness On Basal Plate Morphology, Growth And Critical Removal Stress Of The Barnacle Balanus Amphitrite, D. E. Wendt, G. L. Kowalke, J. Kim, I. L. Singer
Biological Sciences
Silicone coatings are currently the most effective non-toxic fouling release surfaces. Understanding the mechanisms that contribute to the performance of silicone coatings is necessary to further improve their design. The objective of this study was to examine the effect of coating thickness on basal plate morphology, growth, and critical removal stress of the barnacle Balanus amphitrite. Barnacles were grown on silicone coatings of three thicknesses (0.2, 0.5 and 2 mm). Atypical (“cupped”) basal plate morphology was observed on all surfaces, although there was no relationship between coating thickness and i) the proportion of individuals with the atypical morphology, or …