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Articles 31171 - 31200 of 42577
Full-Text Articles in Entire DC Network
Executive Committee - Meeting Minutes, 7/20/1999, Academic Senate
Executive Committee - Meeting Minutes, 7/20/1999, Academic Senate
Academic Senate Minutes
No abstract provided.
As-530-99 Resolution On Merit Program, Faculty Affairs Committee
As-530-99 Resolution On Merit Program, Faculty Affairs Committee
Academic Senate Resolutions
Recommends implementation of proposed FMI policy. Encourages all departments to participate in the FMI process.
Executive Committee - Agenda, 7/20/1999, Academic Senate
Executive Committee - Agenda, 7/20/1999, Academic Senate
Academic Senate Agendas
No abstract provided.
As-531-99 Resolution On Departmental Review Of Salary Step Increases, Faculty Affairs Committee
As-531-99 Resolution On Departmental Review Of Salary Step Increases, Faculty Affairs Committee
Academic Senate Resolutions
Proposes SSI criteria and calendar. Urges faculty to submit FAR forms. Departments encouraged to develop their own SSI review process.
Summer Mustang, July 15, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
An Efficient Finite Difference Time Domain (Fdtd) Technique For Modeling A Reflector Antenna System With Partial Circular Symmetry, Dean Arakaki, Wenhua Yu, Raj Mittra
An Efficient Finite Difference Time Domain (Fdtd) Technique For Modeling A Reflector Antenna System With Partial Circular Symmetry, Dean Arakaki, Wenhua Yu, Raj Mittra
Electrical Engineering
This paper presents an efficient method for solving a large body scattering problem, viz., a paraboloidal reflector antenna system with only partial circular symmetry. The asymmetry in the system is introduced by two factors, viz., the microstrip feed and an inhomogeneous radome. The paper presents a novel approach, based on the reciprocity principle and the “equivalent aperture” theory, to handle the asymmetry problem and still take advantage of the circular symmetry of the large paraboloid of revolution to render the problem manageable
Summer Mustang, July 8, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
July 7, 1999 Cal Poly Report, Public Affairs Office
July 7, 1999 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Asymmetric Grading Error And Adverse Selection: Lemons In The California Prune Industry, Jennifer S. James, James A. Chalfant, Nathalie Lavoie, Richard J. Sexton
Asymmetric Grading Error And Adverse Selection: Lemons In The California Prune Industry, Jennifer S. James, James A. Chalfant, Nathalie Lavoie, Richard J. Sexton
Agribusiness
Grading systems are often introduced to address the classic adverse selection problem associated with asymmetric information about product quality. However, grades are rarely measured perfectly, and adverse selection outcomes may persist due to grading error. We study the effects of errors in grading, focusing on asymmetric grading errors-namely when low-quality product can erroneously be classified as high quality, but not vice versa. In a conceptual model, we show the effects of asymmetric grading errors on returns to producers. Application to the California prune industry shows that grading errors reduce incentives to produce more valuable, larger prunes.
Diversity Of Microorganisms Isolated From Amber, C. L. Greenblatt, A. Davis, B. G. Clement, Christopher Kitts, T. Cox, Raul J. Cano
Diversity Of Microorganisms Isolated From Amber, C. L. Greenblatt, A. Davis, B. G. Clement, Christopher Kitts, T. Cox, Raul J. Cano
Biological Sciences
Claims that organisms can be cultured from amber, if substantiated, would be significant contributions to our understanding of the evolution, tenacity, and potential spread of life. Three reports on the isolation of organisms from amber have been published. Cano and Borucki recently reported the isolation of Bacillus sphaericus and Lambert et al. have described a new species designated Staphylococcus succinus from 25–40 million year old Dominican amber. These characterized organisms were phylogenetically distant from extant relatives and the Staphylococcus sp. sufficiently far removed from other extant staphylococci to be considered a new species. Here we report the culture of bacteria …
Closure To Period Formulas For Concrete Shear Wall Buildings, Anil K. Chopra, Rakesh K. Goel
Closure To Period Formulas For Concrete Shear Wall Buildings, Anil K. Chopra, Rakesh K. Goel
Civil and Environmental Engineering
No abstract provided.
Liming Of Vineyard Soils, Thomas J. Rice
Liming Of Vineyard Soils, Thomas J. Rice
Earth and Soil Sciences
Liming vineyard soils to increase soil pH and raise calcium levels has been practiced for centuries in the humid areas of the world where soils tend to be more acid. Today, liming is increasingly practiced in the semiarid central coast regions of California, where liming of vineyards was unheard of even a decade ago.
Past agricultural practices, such as the addition of sulfur, acid-forming nitrogen fertilizers, and organic soil amendments, have caused soil acidification. Previously, most of these lands were either open space, range lands, or planted to grain crops.
To avoid unnecessary expense and protect the soil from environmental …
Neural Networks And Structured Knowledge: Knowledge Representation And Reasoning, Franz J. Kurfess
Neural Networks And Structured Knowledge: Knowledge Representation And Reasoning, Franz J. Kurfess
Computer Science and Software Engineering
This collection of articles is the first of two parts of a special issue on "Neural Networks and Structured Knowledge." The contributions to the first part shed some light on the issues of knowledge representation and reasoning with neural networks. Their scope ranges from formal models for mapping discrete structures like graphs or logical formulae onto different types of neural networks, to the construction of practical systems for various types of reasoning. In the second part to follow, the emphasis will be on the extraction of knowledge from neural networks, and on applications of neural networks and structured knowledge to …
Repair Optimization Of Highway Bridges Using System Reliability Approach, Allen C. Estes, Dan M. Frangopol
Repair Optimization Of Highway Bridges Using System Reliability Approach, Allen C. Estes, Dan M. Frangopol
Architectural Engineering
As reliability based methods gain increased acceptance, there is greater opportunity to use scarce resources more efficiently while maintaining a prescribed level of reliability of a structure throughout its service life. The goal is to provide management decisions that will balance lifetime system reliability and expected life-cycle cost in an optimal manner. This study proposes a system reliability approach for optimizing the lifetime repair strategy for highway bridges. The approach is demonstrated using an existing Colorado State highway bridge. The bridge is modeled as a series-parallel combination of failure modes, and the reliability of the overall bridge system is computed …
The Effect Of Stimulus Current Pulse Width On Nerve Fiber Size Recruitment Patterns, Robert B. Szlavik, Hubert De Bruin
The Effect Of Stimulus Current Pulse Width On Nerve Fiber Size Recruitment Patterns, Robert B. Szlavik, Hubert De Bruin
Biomedical Engineering
There have been theoretical studies presented that postulate a change in the stimulus current amplitude required to recruit nerve fibers with different stimulus current pulse widths. Based on these theoretical predictions, it has been suggested that the stimulus pulse width parameter may be used to selectively recruit fibers of different sizes and that this selectivity should increase with increasing distance from the stimulus electrode. In this paper, a simulation study of the recruitment patterns of a population of motor nerve fibers with a histologically accurate fiber diameter distribution is presented. Nerve fiber excitation simulations coupled with a time varying field …
Summer Mustang, July 1, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
In Vivo Electrical Stimulation Of Motor Nerves, Robert B. Szlavik
In Vivo Electrical Stimulation Of Motor Nerves, Robert B. Szlavik
Biomedical Engineering
Stimulus waveform parameters and stimulation protocols are fundamental to the use of electrical stimulation in medical applications. This thesis presents new simulation and experimental procedures that for the first time can quantify the effects on nerve fiber recruitment patterns of variable stimulus waveform parameters, such as pulse width and changes in the stimulation protocol with respect to electrode orientation. The study of the effect of variable electrical stimulus waveform parameters and stimulation protocols is important from the perspective of therapeutic and diagnostic medicine. Variations in the stimulus waveform such as stimulus pulse width have been shown to offer some promise …
Spectral Indications Of Unexpected Contributors To Atmospheric Co2 Variability?, Gary B. Hughes, Robert Gigengack, Haralambos N. Kritikos
Spectral Indications Of Unexpected Contributors To Atmospheric Co2 Variability?, Gary B. Hughes, Robert Gigengack, Haralambos N. Kritikos
Statistics
The frequency spectrum of Northern Hemisphere atmospheric CO2 concentration shows strong periodicities at 6.2, 1.0 and 0.5 years. The 6.2 year cyclicity has been attributed to non-linear interactions between the annual cycle and the atmospheric pole tide. The yearly signal is linked to terrestrial photosynthesis; phase analysis shows that annual CO2 minima occur at a lag of approximately 85 days from insolation maxima. Variations in the nominal yearly period occur during times of anomalous anthropogenic CO2 production. Periodicity at 6 months represents a deviation of the yearly signal from an annual sinusoid. If the yearly signal is …
Electroluminescent Illumination System, Dirk J. Broer, David Braun, Antonius H.J. Venhuizen, Christianne R.M. De Witz
Electroluminescent Illumination System, Dirk J. Broer, David Braun, Antonius H.J. Venhuizen, Christianne R.M. De Witz
Electrical Engineering
An illumination system has an active layer which includes an electroluminescent material, the active layer being located between an optically transparent electrode layer and a reflective electrode layer. A reflective polarizer is present at a side of the transparent electrode layer facing away from the active layer. A sub-beam incident on the polarizer and having an unwanted polarization is reflected back to the active layer, where it is again partially depolarized to recover a component having the desired state of polarization. The invention also relates to a flat-panel picture display device which includes such an illumination system.
Summer Mustang, June 24, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
June 23, 1999 Cal Poly Report, Public Affairs Office
June 23, 1999 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Environmental Applications Of Gps, Samuel A. Vigil, Dora Zueck
Environmental Applications Of Gps, Samuel A. Vigil, Dora Zueck
Civil and Environmental Engineering
The use of the Global Positioning System (GPS) has revolutionized air travel, ocean navigation, land navigation, and the collection of environmental data. Although a basic civilian GPS receiver can be purchased for as little as $100, the receiver is only the tip of a 12 billion dollar iceberg! This paper will discuss the history and basic operation of the Global Positioning System, a satellite-based precision positioning and timing service developed and operated by the Department of Defense. It will also describe the accuracy limitations of the civil GPS service and how accuracy can be enhanced by the use of differential …
Application Of Noise Control In Environmental Engineering Education, Harold M. Cota, Kristy Grace
Application Of Noise Control In Environmental Engineering Education, Harold M. Cota, Kristy Grace
Civil and Environmental Engineering
Noise control is both a factor in the health and safety of those in the workplace and in the annoyance and interference of the quality of life at home. This falls squarely in the realm of the Environmental Engineering Profession. Noise, its effects and control, is an important element of a few Graduate Environmental Engineering Programs, but it does not have a role in most undergraduate programs. One objective of this paper is to demonstrate that noise is an issue needing to be addressed in Environmental Engineering Programs and to suggest that making it a requirement at the undergraduate level …
Early Experimentation With Civil Engineering Materials, James L. Hanson
Early Experimentation With Civil Engineering Materials, James L. Hanson
Civil and Environmental Engineering
A new project-based teaching method emphasizing laboratory experimentation is being used at Lawrence Technological University. It has excited and energized the students about civil engineering applications. Engineering concepts are introduced early in the students’ academic careers using civil engineering materials. Laboratory activities related to a Civil Engineering Materials course are being used for outreach, recruitment, and an intensive laboratory experience. A departmental effort has included supporting an outreach program and expanding a freshman CE Materials course. This new teaching method has affected and complemented university recruitment and retention efforts. The course introduces incoming students to engineering analysis and the basic …
Training Graduate Student Instructors Effectively: The University Of Michigan Model, Trevor S. Harding
Training Graduate Student Instructors Effectively: The University Of Michigan Model, Trevor S. Harding
Materials Engineering
No abstract provided.
Industrial Engineering Made Simple, Deena Daggett, Sema E. Alptekin
Industrial Engineering Made Simple, Deena Daggett, Sema E. Alptekin
Industrial and Manufacturing Engineering
Many high school students these days do not quickly recognize or identify Industrial Engineering (IE) procedures, practices, and products. Recruitment of qualified students into IE programs requires continuous planning, publicizing, and networking. Traditional recruitment efforts have included high school visits, brochures & flyers, and university-sponsored workshops. However, these techniques have only achieved mediocre success. Currently, a need exists for new promotional materials that utilize visual tools and provide a “hands-on” approach. We have developed several exercises that successfully introduce IE. Two such exercises are explained in this paper. The first exercise demonstrates the differences between Assembly line and Cellular Manufacturing …
June 9, 1999 Cal Poly Report, Public Affairs Office
June 9, 1999 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, June 4, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, June 3, 1999
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
June 2, 1999 Cal Poly Report, Public Affairs Office
June 2, 1999 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.