Search Results - "Leopold, D.J"

Interstitial molecular hydrogen and deuterium in PECVD and HW amorphous silicon by Borzi, R., Fedders, P.A., Chan, P.H., Herberg, J., Leopold, D.J., Norberg, R.E.

“…For many years it has been known that high quality plasma-enhanced chemical vapor deposition (PECVD) hydrogenated amorphous silicon contains small quantities…”
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Understory response to springtime prescribed fire in two New York transition oak forests by McGee, G.G., Leopold, D.J., Nyland, R.D.

“…Portions of two south-central New York transition oak stands received 0, 1 or 2 springtime prescribed fires between 1980/1981 and 1984. Observations 8–12 years…”
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Genetic analysis of the threatened American hart's-tongue fern (Asplenium scolopendrium var. americanum [Fernald] Kartesz and Gandhi): Insights into its mating system and implications for conservation by Fernando, D.D., Discenza, J.J., Bouchard, J.R., Leopold, D.J.

“…American hart's-tongue fern (AHTF) is one of the rarest ferns in the United States and concern over its conservation and management has highlighted the need…”
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Watershed liming and pit and mound topography effects on seed banks in the Adirondacks, New York, USA by Smallidge, P.J., Leopold, D.J.

“…Seed bank species composition, density, and frequency were evaluated as seedling emergence relative to differences in substrate chemistry associated with…”
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Short-term responses of wetland vegetation after liming of an Adirondack watershed by Mackun, Irene R., Leopold, Donald J., Raynal, Dudley J.

“…Watershed liming has been suggested as a long-term mitigation strategy for lake acidity, particularly in areas subject to high levels of acidic…”
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Pathogens, patterns, and processes in forest ecosystems by Castello, J.D. (State University of New York, Syracuse, NY.), Leopold, D.J, Samllidge, P.J

“…The role of pathogens at the landscape level deserves careful scrutiny, particularly in regard to ecosystem management and the maintenance of natural…”
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Structural characteristics of old-growth, maturing, and partially cut northern hardwood forests by McGee, Gregory G., Leopold, Donald J., Nyland, Ralph D.

“…Live tree diameter distributions, and abundance and quality of standing and downed coarse woody debris (CWD), were compared among three northern hardwood stand…”
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Mycorrhizal Controls on Orchid Abundance along Forest Successional Gradients in Upstate New York: Implications for Management in Fragmented Landscapes by Hornbeck, J. Hope, Horton, T.R., Leopold, D.J.

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Non-bonded hydrogen in a-Si:H by Norberg, R.E, Leopold, D.J, Fedders, P.A

“…We report deuteron and proton nuclear magnetic resonance (NMR) measurements on high quality plasma enhanced chemical vapor deposition amorphous silicon films…”
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Influence of climate factors on demographic changes in the New York populations of the federally-listed Phyllitis scolopendrium (L.) Newm. var. americana by Kelsall, N, Hazard, C, Leopold, D.J

“…Approximately 92% of the U.S. population of American hart's-tongue fern (Phyllitis scolopendrium var. americana) is found in Onondaga and Madison counties, New…”
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Arboreal vegetation, coarse woody debris, and disturbance history of mature and old-growth stands in a coniferous forested wetland by Forrester, J.A, Yorks, T.E, Leopold, D.J

“…We quantified the forest age and tree size structure of an old-growth and mature stand in a coniferous forested wetland in central New York, USA. We also…”
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experimental watershed liming study: comparison of lake and watershed neutralization strategies by Driscoll, C.T, Cirmo, C.P, Fahey, T.J, Blette, V.L, Bukaveckas, P.A, Burns, D.A, Gubala, C.P, Leopold, D.J, Newton, R.M, Raynal, D.J, Schofield, C.L

“…The Experimental Watershed Liming Study (EWLS) was initiated to evaluate the application of CaCO3 to a forested watershed in an effort to mitigate the…”
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Correlation of electron spin concentration and conductivity in the ladder polymer BBL as a function of electrochemical potential by Zheng, T, Badrun, F, Brown, I.M, Leopold, D.J, Sandreczki, T.C

“…We present results of electron spin resonance (ESR) experiments on benzimidazobenzophenanthroline (BBL) samples in which the relative concentration of unpaired…”
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Vascular plant propagule banks of six eastern hemlock stands in the Catskill Mountains of New York by Yorks, T.E, Leopold, D.J, Raynal, D.J

“…We estimated species composition and densities of vascular plant propagule banks in six eastern hemlock (Tsuga canadensis) stands in the Catskill Mountains of…”
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A representative of a new class of conducting oligomer: acetylene-terminated polyaniline by Wilbur, J.M., Sandreczki, T.C., Brown, I.M., Leopold, D.J., Mohite, S.

“…We present the first synthesis of acetylene-terminated polyaniline oligomers (ATPAs) by two chemical methods. One method, a modified Moore—Honzl—Wudl…”
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Effects of watershed liming on Picea rubens seedling biomass and nutrient element concentration by Smallidge, P.J. (Frostburg State Univ., Frostburg, MD (USA). Dept. of Biology), Leopold, D.J

“…Effects of watershed liming on the biomass and tissue chemistry of planted Picea rubens Sarg. (red spruce) seedlings were investigated for two growing seasons…”
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Electronic states induced by ion irradiation in a conjugated ladder polymer by Leopold, D.J., Brown, I.M., Sandreczki, T.C.

“…Thin films of the ladder polymer poly(benzimidazobenzophenanthroline) (BBL) were irradiated with 180 keV argon ions under high vacuum conditions. Ion-beam…”
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Conducting thermoset polymers: a comparative study of Schiff base precursors with different end groups by Brown, I.M., Leopold, D.J., Mohite, S., Sandreczki, T.C.

“…Five different Schiff base monomers were used to form thermoset polymers by hot-melt processing. The study included three monomers with the same backbone…”
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Stability of the number of silicon-hydrogen bonds upon photoillumination of undoped amorphous hydrogenated silicon by Corey, R.L., Kernan, M.J., Leopold, D.J., Fedders, P.A., Norberg, R.E., Turner, W.A., Paul, W.

“…Deuteron magnetic resonance measurements on high quality a-Si:H,D films reveal three principal features: a sharp 66 kHz quadrupolar Pake doublet corresponding…”
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Seasonal patterns of juglone in soil beneath Juglans nigra (black walnut) and influence of J. nigra on understory vegetation by De Scisciolo, B. (SUNY College of Environmental Science and Forestry, Syracuse, NY), Leopold, D.J, Walton, D.C

“…The allelopathic nature of J. nigra L. was investigated in several planted mixed hardwood stands located near Syracuse, New York. Concentrations of…”
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