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Articles 38791 - 38820 of 42542
Full-Text Articles in Entire DC Network
Portable, Linear-Focused Solar Thermal Energy Collecting System, James C. Fletcher, Charles G. Miller, Jens G. Pohl
Portable, Linear-Focused Solar Thermal Energy Collecting System, James C. Fletcher, Charles G. Miller, Jens G. Pohl
Architecture
A solar heat collection system is provided by utilizing a line-focusing device that is effectively a cylindrically curved concentrator within a protected environment formed by a transparent inflatable casing. A target, such as a fluid or gas carrying conduit is positioned within or near the casing containing the concentrator, at the line focus of the concentrator. The casing can be inflated at the site of use by a low pressure air supply to form a unitary light-weight structure. When deflated, the collector, including casing, concentrator and target, is readily transportable. A system constructed from a plurality of such line-focusing devices …
Mustang Daily, October 4, 1977
Mustang Daily, October 4, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Executive Committee - Meeting Minutes, 10/4/1977, Academic Senate
Executive Committee - Meeting Minutes, 10/4/1977, Academic Senate
Academic Senate Minutes
No abstract provided.
Executive Committee - Agenda, 10/4/1977, Academic Senate
Executive Committee - Agenda, 10/4/1977, Academic Senate
Academic Senate Agendas
No abstract provided.
Environmental Manpower And Training, Harold M. Cota
Environmental Manpower And Training, Harold M. Cota
Civil and Environmental Engineering
No abstract provided.
Mustang Daily, September 30, 1977
Mustang Daily, September 30, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, September 29, 1977
Mustang Daily, September 29, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
September 29, 1977 Cal Poly Report, Public Affairs Office
September 29, 1977 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, September 28, 1977
Mustang Daily, September 28, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, September 27, 1977
Mustang Daily, September 27, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, September 22, 1977
Mustang Daily, September 22, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Executive Committee - Meeting Minutes, 9/20/1977, Academic Senate
Executive Committee - Meeting Minutes, 9/20/1977, Academic Senate
Academic Senate Minutes
No abstract provided.
Executive Committee - Agenda, 9/20/1977, Academic Senate
Executive Committee - Agenda, 9/20/1977, Academic Senate
Academic Senate Agendas
No abstract provided.
September 16, 1977 Cal Poly Report, Public Affairs Office
September 16, 1977 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Three-Dimensional Tracking Solar Energy Concentrator And Method For Making Same, James C. Fletcher, Charles G. Miller, Jens G. Pohl
Three-Dimensional Tracking Solar Energy Concentrator And Method For Making Same, James C. Fletcher, Charles G. Miller, Jens G. Pohl
Architecture
A tracking three-dimensional solar energy concentrator is provided by a stretched aluminized polymeric membrane supported by a hoop, the polymeric membrane being formed to a desired curvature by differential loading. The loading on the polymeric membrane determines its curvature. The loading can be varied by utilizing a plastic membrane that has a non-uniform radial distribution of thickness with uniform differential pressure or by applying a non-uniform differential pressure on a membrane having uniform thickness. Reflector membranes having a non-uniform radial distribution of thickness can be obtained by selective spraying of a dissolved plastic such as Krylon on the underside of …
Effect Of P, K, And Lime On Growth, Composition, And P Absorption By Merion Kentucky Bluegrass, T. L. Watschke, D. V. Waddington, David J. Wehner, C. L. Forth
Effect Of P, K, And Lime On Growth, Composition, And P Absorption By Merion Kentucky Bluegrass, T. L. Watschke, D. V. Waddington, David J. Wehner, C. L. Forth
Office of the Dean (CAFES) Scholarship
Information is needed concerning the effects of different soil fertility levels on the activity of turfgrass roots in that part of the soil profile sampled for routine soil tests. In Pennsylvania, a sampling depth of 5 to 7.5 cm is suggested for established turf. A study was conducted on 'Merion' Kentucky bluegrass (Poa pratensis L.) to determine relationships among lime, phosphorus, and potassium applications; soil test results; foliar growth and elemental analysis; and root activity as determined by 32P uptake from three soil depths. In the field, soil pH values were 5.8 and 7.0, P ranged from 13 …
Summer Mustang, August 25, 1977
Summer Mustang, August 25, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Executive Committee - Agenda, 8/23/1977, Academic Senate
Executive Committee - Agenda, 8/23/1977, Academic Senate
Academic Senate Agendas
No abstract provided.
Executive Committee - Meeting Minutes, 8/23/1977, Academic Senate
Executive Committee - Meeting Minutes, 8/23/1977, Academic Senate
Academic Senate Minutes
No abstract provided.
August 18, 1977 Cal Poly Report, Public Affairs Office
August 18, 1977 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Summer Mustang, August 18, 1977
Summer Mustang, August 18, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Summer Mustang, August 11, 1977
Summer Mustang, August 11, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
August 4, 1977 Cal Poly Report, Public Affairs Office
August 4, 1977 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Summer Mustang, August 4, 1977
Summer Mustang, August 4, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
California Polytechnic State University Announcements 1977-1979 Catalog Issue, Academic Affairs, California Polytechnic State University - San Luis Obispo
California Polytechnic State University Announcements 1977-1979 Catalog Issue, Academic Affairs, California Polytechnic State University - San Luis Obispo
Course Catalogs
No abstract provided.
Summer Mustang, July 28, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Executive Committee - Meeting Minutes, 7/26/1977, Academic Senate
Executive Committee - Meeting Minutes, 7/26/1977, Academic Senate
Academic Senate Minutes
No abstract provided.
Executive Committee - Agenda, 7/26/1977, Academic Senate
Executive Committee - Agenda, 7/26/1977, Academic Senate
Academic Senate Agendas
No abstract provided.
July 21, 1977 Cal Poly Report, Public Affairs Office
July 21, 1977 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Summer Mustang, July 21, 1977
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.