4,505 research outputs found
Phytoplankton activity and its impacts on dissolved nitrogen fluxes in the tidal reaches and estuary of the Tweed
No full textC.A. Parker's Store
No full textPhotograph - A dog team and a loaded sled on Strathcona Street in front of C.A. Parker's store, Athabasca, Albert
Impacts of phytoplankton activity on dissolved nitrogen fluxes in the tidal reaches and estuary of the Tweed (North East UK)
No full textMonthly surveys were conducted from April to August 1997 to quantify the uptake of dissolved nitrogen species (nitrate, ammonium and urea) and oxygen production in the tidal reaches and estuary of the Tweed. 15N isotope labelling was used in conjunction with in situ incubation methods to determine the uptake of dissolved nitrogen in surface water samples. Respiration, gross and net oxygen production were measured simultaneously. Phytoplankton activity in the Tweed resulted in low rates of dissolved nitrogen uptake (<0.4 nmol N l?1 h?1) and caused small changes in the dissolved oxygen concentration. Uptake of nitrate and urea was associated with phytoplankton biomass and was highest during periods of net autotrophic production (May, June and August). Reductions in the total downstream fluxes of dissolved nitrogen due to phytoplankton activity were appreciable despite the low rates of uptake of dissolved nitrogen and were found to be strongly dependent on the flushing time of the estuar
Eigen schuld van de architect
No full textRede, uitgesproken bij het afscheid als buitengewoon hoogleraar in het bouw- en woning recht aan de Technische Hogeschool Delft op vrijdag 21 februari 1986 door prof.mr C.A. Adriaansens.Architectur
Dise\uf1o de un manual de control interno de las compras de la empresa Shaw Lancas C.A. Seg\ufan los lineamientos de las Normas Iso 9002
No full textEl presente trabajo de investigaci\uf3n denominado \u93Dise\uf1o de un Manual de Control Interno para las Compras seg\ufan lineamientos de la Norma ISO 9002 de la empresa SHAW LANCAS, C.A.\u94, constituye una herramienta importante para la Organizaci\uf3n que permita tomar decisiones oportunas, relacionadas con Compras, por la confiabilidad de sus sistemas de informaci\uf3n con eficacia y eficiencia operativa, evitando el riesgo de omisiones y errores; adem\ue1s de lograr el manejo de los recursos financieros y humanos de la manera m\ue1s acertada.
La metodolog\ueda empleada en esta investigaci\uf3n fue descriptiva y de campo, se bas\uf3 en cuestionarios, entrevistas y observaci\uf3n directa, a fin de obtener la informaci\uf3n necesaria. Una vez analizados y procesados los datos, se concluy\uf3 en el dise\uf1o del Manual de Control Interno para el Departamento de Compras, se recomienda a la empresa Shaw Lancas, C.A. su implantaci\uf3n con el fin de fortalecer las operaciones internas de dicho Departamento
C.A. McGill, March 23, 1918
No full textPortrait of C.A. McGill. Written on verso: With love from C.A. McGill Monrovia, Liberia, March 23rd, 1918.The Atlanta University Center Robert W. Woodruff Library acknowledges the generous support of the National Endowment for Humanities - Humanities Collections and Reference Resources Implementation Project Grant in supporting the processing and digitization of a number of its major archival collections as part of the project: Spreading the Word: Expanding Access to African American Religious Archival Collections at the Atlanta University Center Robert W. Woodruff Library.</em
MK886 reduces cerebral amyloid angiopathy severity in the TgCRND8 mouse model of Alzheimer’s disease
No full textSeismic data reveal eastern Black Sea Basin structure
No full textRifted continental margins are formed by progressive extension of the lithosphere. The development of these margins plays an integral role in the plate tectonic cycle, and an understanding of the extensional process underpins much hydrocarbon exploration. A key issue is whether the lithosphere extends uniformly, or whether extension varies\ud
with depth. Crustal extension may be determined using seismic techniques. Lithospheric extension may be inferred from the waterloaded subsidence history, determined from\ud
the pattern of sedimentation during and after rifting. Unfortunately, however, many rifted margins are sediment-starved, so the subsidence history is poorly known.\ud
To test whether extension varies between the crust and the mantle, a major seismic experiment was conducted in February–March 2005 in the eastern Black Sea Basin (Figure 1), a deep basin where the subsidence history is recorded\ud
by a thick, post-rift sedimentary sequence. The seismic data from the experiment indicate the presence of a thick, low-velocity zone, possibly representing overpressured sediments. They also indicate that the basement and\ud
Moho in the center of the basin are both several kilometers shallower than previously inferred. These initial observations may have considerable impact on thermal models of the petroleum system in the basin. Understanding\ud
the thermal history of potential source rocks is key to reducing hydrocarbon exploration risk. The experiment, which involved collaboration between university groups in the United Kingdom, Ireland, and Turkey, and BP and\ud
Turkish Petroleum (TPAO), formed part of a larger project that also is using deep seismic reflection and other geophysical data held by the industry partners to determine the subsidence history and hence the strain evolution of\ud
the basin
Erratum: Future temperature extremes will be more harmful: A new critical factor for improved forecasts (Int. J. Environ. Res. Public Health 2019, 16 (20), 4015)
No full textThe authors would like to correct the names and surnames of both authors of their previous paper [1] as follows: Costas A. Varotsos1,2,* and Yuri A. Mazei2 Therefore, to cite this paper please use the correct reference as follows: Varotsos, C.A.; Mazei,Y.A. Future Temperature Extremes Will Be More Harmful: A New Critical Factor for Improved Forecasts. Int. J. Environ. Res. Public Health 2019, 16 (20), 4015. © 2020 by the author. Licensee MDPI, Basel, Switzerland
Skeleton-based design and simulation flow for Computation-in-Memory architectures
No full textMemristor-based Computation-in-Memory is one of the emerging architectures proposed to deal with Big Data problems. The design of such architectures requires a radically new automatic design flow because the memristor is a passive device that uses resistance to encode its logic value. This paper proposes a design flow for mapping parallel algorithms on the CIM architecture. Algorithms with similar data flow graphs can be mapped on the crossbar using the same template containing scheduling, placement, and routing information; this template is named skeleton. By configuring such a skeleton with different pre-designed circuits, we can build CIM implementations of the corresponding algorithms in that class. This approach does not only map an algorithm on a memristor crossbar, but also gives an estimation of its performance, area, and energy consumption. It also supports user-defined constraints and parallel SystemC simulation. Experimental results demonstrate the feasibility and the potential of the approach.Accepted Author ManuscriptComputer EngineeringQuantum & Computer EngineeringFTQC/Bertels La
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