Now showing items 35547-35566 of 84825

    • Grass-counters, stock-feeders, and the dual orientation of applied science: the history of range science, 1895-1960 

      Heyboer, Maarten (Virginia Tech, 1992-04-05)
      According to the predominant image, applied science is a linear, sequential process, the application of science. First scientists or applied scientists develop knowledge that satisfies the epistemic criteria of science, ...
    • Grasshopper species complexes of forage crops in the piedmont region of Virginia 

      Williams, John T. (Virginia Polytechnic Institute and State University, 1984)
      Field collections of grasshoppers (Orthoptera: Acrididae, Tetrigidae, and Tettigoniidae) from twenty hayfield and pasture sites in twelve counties in Virginia were made in 1979 and 1980. Fifteen Acrididae, two Tetrigidae, ...
    • Grasshoppers 

      Day, Eric R.; Spring, Alexandra, 1961- (Virginia Cooperative Extension, 2011-04-25)
      Describes life cycle of grasshoppers, types of crop damage they cause, and means of control.
    • Grassland Reserve Program 

      US Government (2007-06-21)
      The Grassland Reserve Program (GRP) is a voluntary program offering landowners the opportunity to protect, restore, and enhance grasslands on their property. Section 2401 of the Farm Security and Rural Investment Act of ...
    • A Grassroots Approach to Graduate Teaching Assistant Mentoring 

      Mayo, Kevin A.; Wake, Steven A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1993), TR-93-26
      Graduate students, whether master's or doctoral candidates, benefit greatly from their academic experiences. However, graduate school is not limited to course work and research, but it also includes teaching experiences ...
    • Grassroots empowerment and sustainability in the management of critical natural resources: The Agroforestry Tree Seed Association of Lantapan 

      Koffa, S.; Garrity, Dennis P. (Los Baños, Philippines: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 2001)
      The strategy that was implemented involved continuous interaction between researchers and farmers during the identification, testing and extension of agroforestry technologies. This enabled us to establish a strong partnership ...
    • Grassroots Indicators for Desertification: Experience and Perspectives from Eastern and Southern Africa 

      Hambly, H. (ed.); Angura, T. (ed.) (International Development Research Centre, 1996)
      Grassroots indicators are defined here as measures or signals of environmental quality or change formulated by individuals, households, and communities, and derived from their local systems of observation, practice, and ...
    • Grassroots lessons: Implementation of pension schemes for single women and the elderly in Jharkhand, India 

      Raonka, Pallavi (2015-02-05)
      There is ongoing debate in India on whether Government spending on social security schemes should be cut. Advocates for spending cuts claim that they do not reach their intended people. However there is not much. There is ...
    • Grating Speckle Method For In-Plane Displacement Measurement 

      Tu, M. R.; McKelvie, J.; Dai, F. L.; Post, Daniel (Optical Society of America, 1989-12-01)
      A high sensitivity technique combining lensless speckle photography and a grid technique is proposed and demonstrated. A high frequency grid is applied to the specimen surface and contact specklegrams are made in white ...
    • Grating-Assisted Demodulation Of Interferometric Optical Sensors 

      Yu, B.; Wang, Anbo (Optical Society of America, 2003)
      Accurate and dynamic control of the operating point of an interferometric optical sensor to produce the highest sensitivity is crucial in the demodulation of interferometric optical sensors to compensate for manufacturing ...
    • Gratings Superposed Spatially By Writing in Laterally Separated Regions 

      Gradishar, T. L.; Safaai-Jazi, A. (Optical Society of America, 2005)
      A new type of gratings superposed spatially in laterally separated areas of the guide is introduced and analyzed using coupled-mode theory. The guided mode overlaps the constituent gratings and sees the superposition of ...
    • Gratings With Multiple, Independently Apodized Layers 

      Gradishar, Thomas Louis (Virginia Tech, 1999-03-26)
      An index grating is a periodic perturbation of the refractive index in a waveguide's axial direction. Gratings have important roles in optical communication as spectral filters and dispersion compensators. The spectral ...
    • Grave of George Washington 

      Palmer, Earl (Virginia Tech. Digital Library and Archives; Virginia Tech. University Libraries. Special Collections Department, 2005-05-17)
      Within this enclosure rests the remains of General George Washington.
    • Grave of Nicey Hensley 

      Palmer, Earl (Virginia Tech. Digital Library and Archives; Virginia Tech. University Libraries. Special Collections Department, 2005-05-18)
      Grave of Nicey Hensley, pioneer mother, in Hensley Settlement.
    • Gravitational lens models based on submillimeter array imaging of Herschel-selected strongly lensed sub-millimeter galaxies at z > 1.5 

      Bussmann, R. S.; Perez-Fournon, I.; Amber, S.; Calanog, J.; Gurwell, M. A.; Dannerbauer, H.; De Bernardis, F.; Fu, H.; Harris, A. I.; Krips, M.; Lapi, A.; Maiolino, R.; Omont, A.; Riechers, D.; Wardlow, J.; Baker, A. J.; Birkinshaw, M.; Bock, J.; Bourne, N.; Clements, D. L.; Cooray, A.; De Zotti, G.; Dunne, L.; Dye, S.; Eales, S.; Farrah, D.; Gavazzi, R.; Nuevo, J. G.; Hopwood, R.; Ibar, E.; Ivison, R. J.; Laporte, N.; Maddox, S.; Martinez-Navajas, P.; Michalowski, M.; Negrello, M.; Oliver, S. J.; Roseboom, I. G.; Scott, D.; Serjeant, S.; Smith, A. J.; Smith, M.; Streblyanska, A.; Valiante, E.; van der Werf, P.; Verma, A.; Vieira, J. D.; Wang, L.; Wilner, D. (IOP Publishing Ltd., 2013-12)
      Strong gravitational lenses are now being routinely discovered in wide-field surveys at (sub-)millimeter wavelengths. We present Submillimeter Array (SMA) high-spatial resolution imaging and Gemini-South and Multiple Mirror ...
    • The gravity field over the Bane Dome in Giles County, Virginia 

      Moses, Michael J. (Virginia Polytechnic Institute and State University, 1988)
      The Bouguer gravity field, deterrmined from 395 measurements in Giles County, Virginia exhibits a broad positive anomaly approximately 12 mgal in amplitude situated over the Bane Dome, and several smaller anomalies of a ...
    • Gravity profile evaluation of geological cross-sections through the Southern Appalachians in Frederick County, Virginia 

      Mason, Michael Randolph (Virginia Tech, 1989-06-01)

      The geology of Frederick County, Virginia is known mostly from surface mapping. Based on this work are interpretations of the subsurface geology including cross sections which have been constrained by the surface ...

    • Gray Leaf Spot Disease of Corn 

      Stromberg, Erik L. (Virginia Cooperative Extension, 2009)
      Describes Gray Leaf Spot Disease (Cercospora zeae-maydis) in corn plants, noting that it is one of the most serious diseases to corn worldwide. Describes the life cycle and the symptoms. Discusses methods of control ...
    • Gray leaf spot of corn: yield loss and evaluation of germplasm for resistance 

      Carter, Michele R. (Virginia Tech, 1992-06-06)
      see document
    • Gray Matters: Aging in the Age of #grannyhair 

      Giles, Sarah Elizabeth Tally (Virginia Tech, 2017-05-31)
      Drawing on previous literature in cultural gerontology, ageism and age relations, and cultural appropriation this study analyzes the recent grannyhair trend on instagram. Recently, younger women have been coloring their ...