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Articles 11701 - 11730 of 42577
Full-Text Articles in Entire DC Network
Role Of Disorder In Finite-Amplitude Shear Of A 2d Jammed Material, Nathan C. Keim, Paulo E. Arratia
Role Of Disorder In Finite-Amplitude Shear Of A 2d Jammed Material, Nathan C. Keim, Paulo E. Arratia
Physics
A material’s response to small but finite deformations can reveal the roots of its response to much larger deformations. Here, we identify commonalities in the responses of 2D soft jammed solids with different amounts of disorder. We cyclically shear the materials while tracking their constituent particles, in experiments that feature a stable population of repeated structural relaxations. Using bidisperse particle sizes creates a more amorphous material, while monodisperse sizes yield a more polycrystalline one. We find that the materials’ responses are very similar, both at the macroscopic, mechanical level and in the microscopic motions of individual particles. However, both locally …
The Proteomic Response Of The Carcinus Maenas Y-Organ Over The Course Of The Molt Cycle, Mark S. Hamer
The Proteomic Response Of The Carcinus Maenas Y-Organ Over The Course Of The Molt Cycle, Mark S. Hamer
Master's Theses
Molting in arthropods is a complex process governed by regulatory mechanisms that have evolved and adapted over millennia to allow these animals to grow, despite being confined by a hardened exoskeleton. We isolated the molt-regulating Y-organs (YO) from the common shore crab Carcinus maenas at molt stages B, C1-3, C4, and D0 to assess how changes in protein abundances might underline the unique physiology of each of these stages. We found that changes in protein abundance were most notable in the postmolt stages (B and C1-3), where an increase in energy metabolism and …
An Affordance-Based Methodology For Package Design, Javier De La Fuente Phd, Stephanie Gustafson, Colleen L. Twomey, Laura Bix
An Affordance-Based Methodology For Package Design, Javier De La Fuente Phd, Stephanie Gustafson, Colleen L. Twomey, Laura Bix
Industrial Technology and Packaging
The term affordance describes an object's utilitarian function or actionable possibilities. Product designers have taken great interest in the concept of affordances because of the bridge they provide relating to design, the interpretation of design and, ultimately, functionality in the hands of consumers. These concepts have been widely studied and applied in the field of psychology but have had limited formal application to packaging design and evaluation. We believe that the concepts related to affordances will reveal novel opportunities for packaging innovation. To catalyse this, presented work had the following objectives: (a) to propose a method by which packaging designers …
A Pilot Study Comparing Opaque, Weighted Bottles With Conventional, Clear Bottles For Infant Feeding, Alison K. Ventura, Rebecca Pollack Green
A Pilot Study Comparing Opaque, Weighted Bottles With Conventional, Clear Bottles For Infant Feeding, Alison K. Ventura, Rebecca Pollack Green
Kinesiology and Public Health
It is hypothesized that the visual and weight cues afforded by bottle-feeding may lead mothers to overfeed in response to the amount of liquid in the bottle. The aim of the present pilot study was to test this hypothesis by comparing mothers' sensitivity and responsiveness to infant cues and infants' intakes when mothers use opaque, weighted bottles (that remove visual and weight cues) compared to conventional, clear bottles to feed their infants. We also tested the hypothesis that mothers' pressuring feeding style would moderate the effect of bottle type. Formula-feeding dyads (N = 25) visited our laboratory on two …
Development Of Local Transient Heat Flux Measurements In An Axisymmetric Hybrid Rocket Nozzle, Christopher D'Elia
Development Of Local Transient Heat Flux Measurements In An Axisymmetric Hybrid Rocket Nozzle, Christopher D'Elia
Master's Theses
A method of performing local transient heat flux measurements in an uncooled axisymmetric hybrid rocket nozzle is presented. Surface temperatures are collected at various axial locations during short duration tests and post processed using finite difference techniques to determine local transient heat fluxes and film coefficients. Comparisons are made between the collected data and the complete Bartz model. Although strong agreement is observed in certain sections of the nozzle, ideal steady state conditions are not observed to entirely validate the Bartz model for hybrid rocket nozzles. An experimental error analysis indicates the experimental heat fluxes are accurate within ±5.2% and …
Digitally Controlled Zero-Voltage-Switching Quasi-Resonant Buck Converter, Brian R. Luc
Digitally Controlled Zero-Voltage-Switching Quasi-Resonant Buck Converter, Brian R. Luc
Master's Theses
ABSTRACT
Digitally-Controlled Two-Phase Zero-Voltage-Switching Quasi-Resonant Buck Converter
Brian Luc
This thesis entails the design, construction, and performance analysis of a digitally-controlled two-phase Zero-Voltage Switching Quasi-Resonant (ZVS-QR) buck converter. The converter is aimed to address the issues associated with powering CPUs operating at lower voltage and high current. To evaluate its performance, the Two-Phase ZVS-QR buck converter is compared against a traditional Two-Phase buck converter. The design procedure required to implement both converters through utilizing the characterization curve and formulas derived from their circuit configurations will be presented. Computer simulation of the Two-Phase ZVS-QR buck converter is provided to exhibit its …
Aerospike Rocket Motor Structural Webbing, Andrew Brock
Aerospike Rocket Motor Structural Webbing, Andrew Brock
Master's Theses
A labscale hybrid rocket motor test stand has been developed for research at Cal Poly. The primary focus of research using this rig has been the development of regenerative cooling techniques using nitrous oxide as coolant and oxidizer, as well as validation of technologies relating to the annular aerospike nozzle. In order to prevent undesirable deflection of the cantilevered spike, a structural stiffening web, referred to as “The Spider,” is proposed. The Spider resembles a three-spoked wheel, with the aerospike held by the inner hub and the chamber walls abutting the outer radius.
The Spider, placed upstream of the nozzle, …
Cosmic Evolution Of Black Holes And Spheroids. V. The Relation Between Black Hole Mass And Host Galaxy Luminosity For A Sample Of 79 Active Galaxies, Daeseong Park, Jong-Hak Woo, Vardha N. Bennert, Tommaso Treu, Matthew W. Auger, Matthew A. Malkan
Cosmic Evolution Of Black Holes And Spheroids. V. The Relation Between Black Hole Mass And Host Galaxy Luminosity For A Sample Of 79 Active Galaxies, Daeseong Park, Jong-Hak Woo, Vardha N. Bennert, Tommaso Treu, Matthew W. Auger, Matthew A. Malkan
Physics
We investigate the cosmic evolution of the black hole (BH) mass–bulge luminosity relation using a sample of 52 active galaxies at z ∼ 0.36 and z ∼ 0.57 in the BH mass range of 107.4–109.1 M0. By consistently applying multicomponent spectral and structural decomposition to high-quality Keck spectra and high-resolution Hubble Space Telescope images, BH masses (MBH) are estimated using the Hβ broad emission line combined with the 5100 Å nuclear luminosity, and bulge luminosities (Lbul ) are derived from surface photometry. Comparing the resulting MBH − Lbul relation to local active galaxies and taking into account selection effects, we …
Archaeologist To Discuss Dominican Submerged Caverns On Feb. 24 At Cal Poly, Public Affairs Office
Archaeologist To Discuss Dominican Submerged Caverns On Feb. 24 At Cal Poly, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Professor Reports Tech Trends In Urban Planning, Public Affairs Office
Cal Poly Professor Reports Tech Trends In Urban Planning, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Program Attracts Tech Startup To San Luis Obispo, Public Affairs Office
Cal Poly Program Attracts Tech Startup To San Luis Obispo, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Hearst Lecture On Jan. 30 To Focus On Design And Energy, Public Affairs Office
Cal Poly Hearst Lecture On Jan. 30 To Focus On Design And Energy, Public Affairs Office
Press Releases
No abstract provided.
January 28, 2015 Cal Poly Report, Public Affairs Office
January 28, 2015 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Cal Poly To Present Social Justice Conference Feb. 20-21, Public Affairs Office
Cal Poly To Present Social Justice Conference Feb. 20-21, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly To Host Sustainable Grassland Ranching Presentation Feb. 3, Public Affairs Office
Cal Poly To Host Sustainable Grassland Ranching Presentation Feb. 3, Public Affairs Office
Press Releases
No abstract provided.
Kennedy Library To Host Talk On Geospatial Data Feb. 12, Public Affairs Office
Kennedy Library To Host Talk On Geospatial Data Feb. 12, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Liberal Studies Alumna Begins Fulbright Program In Malaysia, Public Affairs Office
Cal Poly Liberal Studies Alumna Begins Fulbright Program In Malaysia, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Wind Bands' Pops Concert Set For Feb. 28, Public Affairs Office
Cal Poly Wind Bands' Pops Concert Set For Feb. 28, Public Affairs Office
Press Releases
No abstract provided.
Director Of U.S.D.A. National Institute Of Food And Agriculture To Talk Feb. 3 At Cal Poly, Public Affairs Office
Director Of U.S.D.A. National Institute Of Food And Agriculture To Talk Feb. 3 At Cal Poly, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Student Rank High At Construction Management Competition, Public Affairs Office
Cal Poly Student Rank High At Construction Management Competition, Public Affairs Office
Press Releases
No abstract provided.
Executive Committee - Meeting Minutes, 1/27/2015, Academic Senate
Executive Committee - Meeting Minutes, 1/27/2015, Academic Senate
Academic Senate Minutes
No abstract provided.
Executive Committee - Agenda, 1/27/2015, Academic Senate
Executive Committee - Agenda, 1/27/2015, Academic Senate
Academic Senate Agendas
No abstract provided.
Arts Obispo To Honor Two Cal Poly Music Faculty Member Jan. 31, Public Affairs Office
Arts Obispo To Honor Two Cal Poly Music Faculty Member Jan. 31, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Study Sheds Light On Mothers' Bottle-Feeding Behavior, Public Affairs Office
Cal Poly Study Sheds Light On Mothers' Bottle-Feeding Behavior, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Mustang Marching Band To Perform In Chinese New Year Parade March 7 In San Francisco, Public Affairs Office
Cal Poly Mustang Marching Band To Perform In Chinese New Year Parade March 7 In San Francisco, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly City & Regional Planning Students Honored For City Of Milpitas Land Use Project, Public Affairs Office
Cal Poly City & Regional Planning Students Honored For City Of Milpitas Land Use Project, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Rededicates California Newspaper Hall Of Fame, Public Affairs Office
Cal Poly Rededicates California Newspaper Hall Of Fame, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly's Warren J. Baker Center Recieves Leed Gold Certification, Public Affairs Office
Cal Poly's Warren J. Baker Center Recieves Leed Gold Certification, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Arab Music Ensemble To Perform Feb. 21, Public Affairs Office
Cal Poly Arab Music Ensemble To Perform Feb. 21, Public Affairs Office
Press Releases
No abstract provided.
Cal Poly Hackathon To Celebrate Student Design And Creativity Jan. 30-31, Public Affairs Office
Cal Poly Hackathon To Celebrate Student Design And Creativity Jan. 30-31, Public Affairs Office
Press Releases
No abstract provided.