Search Results - "West, J.B"

Excess energy and photosynthesis: responses to seasonal water limitations in co-occurring woody encroachers of the semi-arid Southern Great Plains by RAUB, H.D., RAJAN, N., MCINNES, K.J., WEST, J.B.

“…Woody plant areal encroachment is pervasive throughout the Southern Great Plains, USA. The ability of woody plants to dissipate excess solar radiation -…”
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The distribution of target registration error in rigid-body point-based registration by Fitzpatrick, J.M., West, J.B.

“…Guidance systems designed for neurosurgery, hip surgery, spine surgery and for approaches to other anatomy that is relatively rigid can use rigid-body…”
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Designing optically tracked instruments for image-guided surgery by West, J.B., Maurer, C.R.

“…Most image-guided surgery (IGS) systems track the positions of surgical instruments in the physical space occupied by the patient. This task is commonly…”
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Predicting error in rigid-body point-based registration by Fitzpatrick, J.M., West, J.B., Maurer, C.R.

“…Guidance systems designed for neurosurgery, hip surgery, and spine surgery, and for approaches to other anatomy that is relatively rigid can use rigid-body…”
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Implementation, calibration and accuracy testing of an image-enhanced endoscopy system by Shahidi, R., Bax, M.R., Maurer, C.R., Johnson, J.A., Wilkinson, E.P., Bai Wang, West, J.B., Citardi, M.J., Manwaring, K.H., Khadem, R.

“…This paper presents a new method for image-guided surgery called image-enhanced endoscopy. Registered real and virtual endoscopic images (perspective volume…”
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Fine root production and turnover across a complex edaphic gradient of a Pinus palustris– Aristida stricta savanna ecosystem by West, J.B., Espeleta, J.F., Donovan, L.A.

“…Fine root dynamics significantly affect plant performance through soil resource capture, and ecosystem function through soil carbon and nitrogen cycling. The…”
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Stress failure of pulmonary capillaries: role in lung and heart disease by West, J B, Mathieu-Costello, O

“…Pulmonary capillaries have extremely thin walls to allow rapid exchange of respiratory gases across them. Recently it has been shown that the wall stresses…”
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A two-dimensional millimeter wave phase scanned lens utilizing analog electromagnetic crystal (EMXT) waveguide phase shifters by Hao Xin, West, J.B., Mather, J.C., Doane, J.P., Higgins, J.A., Kazemi, H., Rosker, M.J.

“…A novel type of waveguide phase shifter utilizing tunable electromagnetic crystal (EMXT) surfaces is incorporated in a 16-element two-dimensional (2-D)…”
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Measured Results of a Dual-Band Dual-Mode Millimeter Wave Analog EMXT Waveguide Phase Shifter Electronically Scanned Antenna (ESA) by West, J.B., Herting, B.J., Mather, J.C.

“…A proof-of-concept dual-band dual-mode 25/44-GHz electronically scanned array (ESA) is realized using electromagnetic crystal (EMXT) waveguide sidewalls…”
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Nitrogen limitation constrains sustainability of ecosystem response to CO2 by Reich, P.B, Hobbie, S.E, Lee, T, Ellsworth, D.S, West, J.B, Tilman, D, Knops, J.M.H, Naeem, S, Trost, J

“…Enhanced plant biomass accumulation in response to elevated atmospheric CO2 concentration could dampen the future rate of increase in CO2 levels and associated…”
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A strategy for reducing neonatal mortality at high altitude using oxygen conditioning by West, J B

“…Neonatal mortality increases with altitude. For example, in Peru the incidence of neonatal mortality in the highlands has been shown to be about double that at…”
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Plant diversity, CO2 and N influence inorganic and organic N leaching in grasslands by Dijkstra, Feike A., West, Jason B., Hobbie, Sarah E., Reich, Peter B., Trost, Jared

“…In nitrogen (N)-limited systems, the potential to sequester carbon depends on the balance between N inputs and losses as well as on how efficiently N is used,…”
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Geography and Vintage Predicted by a Novel GIS Model of Wine (delta)18O by West, J.B, Ehleringer, J.R, Cerling, T.E

“…Wine hydrogen and oxygen stable isotopes record the climatic conditions experienced by the grape vine and the isotopic composition of the vine's source water…”
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Legume species identity and soil nitrogen supply determine symbiotic nitrogen-fixation responses to elevated atmospheric [CO2] by West, J.B, HilleRisLambers, J, Lee, T.D, Hobbie, S.E, Reich, P.B

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Photoionisation cross sections of atomic ions by West, J.B.

“…Experimental techniques for photoionisation measurements on atomic ions are described, and recent progress in the measurement of absolute photoionisation cross…”
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Photoionization cross sections of atomic ions by West, J.B.

“…Absolute photoionization measurements of singly and doubly charged atomic ions are described. The focus of this article is in two areas: ions of astrophysical…”
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Detection of Starch Content variations in Grasses using Raman Microscopy by Fernandez, A., Sen, D., Lee, M.C., Havrilchak, N., Aleman, M., Han, Z., Strycker, B., Yi, Z., West, J.B., Sokolov, A., Scully, M.O., Verhoef, A.J.

“…We demonstrate the use of Raman microscopy to monitor spatial and temporal variations in starch content in leaves. High throughput, non-invasive, measurements…”
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An initial investigation of S and SH with angle resolved photoelectron spectroscopy using synchrotron radiation by Zuin, L., Innocenti, F., Costa, M.L., Dias, A.A., Morris, A., Paiva, A.C.S., Stranges, S., West, J.B., Dyke, J.M.

“…An initial investigation of the photoionization behaviour of S atoms and SH radicals has been made in the gas-phase using angle resolved photoelectron…”
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Photoionization studies of the atmospherically important species N and OH at the Elettra synchrotron radiation source by Innocenti, F., Zuin, L., Costa, M.L., Dias, A.A., Morris, A., Paiva, A.C.S., Stranges, S., West, J.B., Dyke, J.M.

“…In this paper angularly resolved photoelectron spectra (PES) and constant-ionic-state (CIS) spectra are presented for the atmospherically important species N…”
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Effects of individual bunchgrasses on potential C and N mineralization of longleaf pine savanna soils by West, J.B, Donovan, L.A

“…A recent conceptual model of grasslands in the US argues that, because of the discontinuous cover of plants in systems strongly limited by precipitation, the…”
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