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Articles 5311 - 5340 of 8069
Full-Text Articles in Entire DC Network
Tree Root Response To Circling Root Barriers, Laurence R. Costello, Clyde L. Elmore, Scott J. Steinmaus
Tree Root Response To Circling Root Barriers, Laurence R. Costello, Clyde L. Elmore, Scott J. Steinmaus
Biological Sciences
Root system size and distribution were measured for Raywood ash (Fraxinus oxycarpa 'Raywood') and Lombardy poplar (Populus nigra 'Italica') planted with and without circling root barriers. Trees with circling barriers had fewer numbers of roots than controls (no barriers), but mean root diameters were similar. Root depth 30 cm outside barriers was greater for trees with barriers, but at 90 and 150 cm away, depth was equivalent to controls. Roots tended to grow toward the soil surface after growing under the barriers. No consistent differences in root response to any of the four types of barriers tested were …
Academic Senate - Agenda, 10/28/1997, Academic Senate
Academic Senate - Agenda, 10/28/1997, Academic Senate
Academic Senate Agendas
No abstract provided.
October 24, 1997 Cal Poly Report, Public Affairs Office
October 24, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, October 15, 1997
Mustang Daily, October 15, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 14, 1997
Mustang Daily, October 14, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
October 10, 1997 Cal Poly Report, Public Affairs Office
October 10, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, October 8, 1997
Mustang Daily, October 8, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, October 6, 1997
Mustang Daily, October 6, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Liquid-Liquid Immiscibility In Lipid Monolayers, John P. Hagen, Harden M. Mcconnell
Liquid-Liquid Immiscibility In Lipid Monolayers, John P. Hagen, Harden M. Mcconnell
Chemistry and Biochemistry
Some binary lipid mixtures form coexisting liquid phases when spread at the air/water interface. This work describes the pressure–composition phase diagrams of binary mixtures of four unsaturated phosphatidylcholines with dihydrocholesterol. These four binary mixtures have critical compositions of approximately fifty mole percent, and average critical exponents of 0.25±0.07. The data can also be approximated by a regular solution thermodynamic model, yielding parameters for the non-ideality of these mixtures.
September 15, 1997 Cal Poly Report, Public Affairs Office
September 15, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Human-Computer Partnership In Decision-Support Systems: Some Design Guidelines, Jens G. Pohl
Human-Computer Partnership In Decision-Support Systems: Some Design Guidelines, Jens G. Pohl
Collaborative Agent Design (CAD) Research Center
The design of useful human-computer collaborative decision-support systems requires some understanding of the behavioral and organizational characteristics of human problem solving practices. This paper identifies the principal areas in which computer-based decision making assistance is particularly attractive and critically examines several human problem solving traits that may not be appropriate for direct emulation in the computer-assisted environment. In particular, the author examines the manner in which emotions and hierarchical leadership structures could unnecessarily inhibit the realization of the full potential of a human-computer partnership. Finally, a number of guiding principles are proposed for the design of computer-based decision-support systems.
Isolation, Characterization, And Diversity Of Microorganisms From Amber, Raúl J. Cano
Isolation, Characterization, And Diversity Of Microorganisms From Amber, Raúl J. Cano
Biological Sciences
Retrieval of viable bacteria from fossil material dating from the Oligocene back to the Miocene opens the opportunity to study the evolution of prokaryotes through the evolution of their DNA, their physiology, and their ecology. This unique system in which ancient organisms and their genes may be compared directly, rather than by inference, with modern homologues is without precedent. Clearly, however, confirmation of the fossil origin of such isolates must be made in a manner that would allay reasonable skepticism. Present approaches of verification of authenticity of fossil DNA are either arbitrary or potentially unconvincing, because of their dependence on …
July 3, 1997 Cal Poly Report, Public Affairs Office
July 3, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Summer Mustang, June 19, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
June 6, 1997 Cal Poly Report, Public Affairs Office
June 6, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.
Mustang Daily, June 3, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Academic Senate - Meeting Minutes, 6/3/1997, Academic Senate
Academic Senate - Meeting Minutes, 6/3/1997, Academic Senate
Academic Senate Minutes
No abstract provided.
The Role Of Men In Families: Achieving Gender Equity And Supporting Children, Patrice L. Engle
The Role Of Men In Families: Achieving Gender Equity And Supporting Children, Patrice L. Engle
Psychology and Child Development
Fathers and men in families represent one of the most important resources for children’s well-being. Social services, including development interventions in the South, have hitherto failed to take into consideration the major role of men in families, and its effects on women, on children, and on the men themselves.
Dietary Iron And Recurrence Of Colorectal Adenomas, Marilyn Tseng, Robert S. Sandler, E. Robert Greenberg, Jack S. Mandel, Robert W. Haile, John A. Baron
Dietary Iron And Recurrence Of Colorectal Adenomas, Marilyn Tseng, Robert S. Sandler, E. Robert Greenberg, Jack S. Mandel, Robert W. Haile, John A. Baron
Kinesiology and Public Health
Previous research suggests that iron acts as a prooxidant to increase the risk of colorectal neoplasia. This study examined effects of dietary intake of iron on colorectal adenoma recurrence using data from an antioxidant clinical trial. All subjects were free of polyps at study entry but had at least one adenoma removed within the 3 months before enrollment. Follow-up colonoseopies were conducted after 1 and 4 years. Patients who developed one or more adenomatous polyps between years 1 and 4 were classified as cases; all others were controls. Dietary iron intake at baseline and at the end of the study …
Mustang Daily, May 30, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, May 22, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Academic Senate - Agenda, 5/20/1997, Academic Senate
Academic Senate - Agenda, 5/20/1997, Academic Senate
Academic Senate Agendas
No abstract provided.
Mustang Daily, May 13, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Executive Committee - Agenda, 5/13/1997, Academic Senate
Executive Committee - Agenda, 5/13/1997, Academic Senate
Academic Senate Agendas
No abstract provided.
Executive Committee - Meeting Minutes, 5/6/1997, Academic Senate
Executive Committee - Meeting Minutes, 5/6/1997, Academic Senate
Academic Senate Minutes
No abstract provided.
Mustang Daily, May 2, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, April 28, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
Mustang Daily, April 24, 1997
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
April 18, 1997 Cal Poly Report, Public Affairs Office
April 18, 1997 Cal Poly Report, Public Affairs Office
Cal Poly Report
No abstract provided.