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  • Articles  (463)
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  • 1
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    Environment and Geoscience (2008)
    World Scientific and Engineering Academy and Society
    Details
    Publication Date: 2017-04-04
    Description: This book contains the proceedings of the 1st WSEAS International Conference on Environmental and Geological Science and Engineering (EG'08) which was held in Malta, September 11-13, 2008. This conference aims to disseminate the latest research and applications in Renewable Energy, Mineral Resources, Natural Hazards and Risks, Environmental Impact Assessment, Urban and Regional Planning Issues, Remote Sensing and GIS, and other relevant topics and applications. The friendliness and openness of the WSEAS conferences, adds to their ability to grow by constantly attracting young researchers. The WSEAS Conferences attract a large number of well-established and leading researchers in various areas of Science and Engineering as you can see from http://www.wseas.org/reports. Your feedback encourages the society to go ahead as you can see in http://www.worldses.org/feedback.htm The contents of this Book are also published in the CD-ROM Proceedings of the Conference. Both will be sent to the WSEAS collaborating indices after the conference: www.worldses.org/indexes In addition, papers of this book are permanently available to all the scientific community via the WSEAS E-Library. Expanded and enhanced versions of papers published in this conference proceedings are also going to be considered for possible publication in one of the WSEAS journals that participate in the major International Scientific Indices (Elsevier, Scopus, EI, ACM, Compendex, INSPEC, CSA .... see: www.worldses.org/indexes) these papers must be of high-quality (break-through work) and a new round of a very strict review will follow. (No additional fee will be required for the publication of the extended version in a journal). WSEAS has also collaboration with several other international publishers and all these excellent papers of this volume could be further improved, could be extended and could be enhanced for possible additional evaluation in one of the editions of these international publishers. Finally, we cordially thank all the people of WSEAS for their efforts to maintain the high scientific level of conferences, proceedings and journals.
    Description: Published
    Description: Malta, September 11-13, 2008
    Description: 1.6. Osservazioni di geomagnetismo
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: 3.4. Geomagnetismo
    Description: open
    Keywords: 1st WSEAS International Conference ; Renewable Energy ; Mineral Resources ; Natural Hazards and Risks ; Environmental Impact Assessment ; Urban and Regional Planning Issues ; Remote Sensing and GIS ; 04. Solid Earth::04.01. Earth Interior::04.01.03. Mantle and Core dynamics ; 04. Solid Earth::04.05. Geomagnetism::04.05.01. Dynamo theory ; 04. Solid Earth::04.05. Geomagnetism::04.05.02. Geomagnetic field variations and reversals ; 04. Solid Earth::04.05. Geomagnetism::04.05.05. Main geomagnetic field ; 05. General::05.01. Computational geophysics::05.01.04. Statistical analysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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    PAPER (OA)
  • 2
    Electronic Resource
    Electronic Resource
    Novel 5-HT3 antagonists: indol-3-ylspiro(azabicycloalkane-3,5'(4'H)oxazoles) (1992)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 35 (1992), S. 1019-1031 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00084a007
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    In-situ electron microscopy studies of the behavior of supported ruthenium particles. 1. The catalytic influence on graphite gasification reactions. (1986)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 90 (1986), S. 4730-4734 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100411a004
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A study of the platinum-titanium oxide system for the hydrogenation of graphite: ramifications of strong metal-support interactions (1986)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 90 (1986), S. 860-866 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100277a030
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Adaptive x-ray mirror prototype: First results (invited) : Proceedings of the 5th international conference on synchrotron radiation instrumentation (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 2048-2052 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A first adaptive x-ray mirror prototype was built in 1992 and is now installed on the ESRF beamline 2 (Materials Science). This system consists of a water-cooled 1 m long Pt-coated Si mirror, supported by two rows of 11 piezoelectric actuators. The shape of the mirror is continuously monitored by an optical analyzer; its readout being used by a feedback loop in a real-time algorithm. A workstation associated to real-time electronics calculates the relevant parameters for driving the actuators as a function of both the desired shape and the possible thermal deformation due to the incident beam. Preliminary experiments carried out on the wiggler beamline showed that the system runs correctly: the feedback loop permits a control of the mirror shape in the microrad range at a frequency of 10 Hz. Various shapes (cylinder, parabola, or ellipse) can be produced at will to within the above accuracy. The different components of the device are described and the alignment and calibration procedures are discussed. The first results dealing with the properties of the reflected beam (size, divergence, and shape) versus both the calibration quality and the incoming power are presented. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145725
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  • 6
    Electronic Resource
    Electronic Resource
    Optical metrology facility at the ESRF : Proceedings of the 5th international conference on synchrotron radiation instrumentation (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 2232-2234 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Regarding x-ray mirror design and fabrication, the unique properties of the ESRF source push specifications far beyond the obtainable limits of current technology. In order to keep control of the high quality of optical beamline components, interferometric based metrology capabilities are mandatory. This paper describes the ESRF metrology facility in which four complementary systems permit complete analysis of the quality of x-ray optical components. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146506
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Series operation of power MOSFETs for high-speed, high-voltage switching applications (1993)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 64 (1993), S. 1655-1656 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Series operation of power metal-oxide semiconductor field-effect transistors (MOSFETs) to increase their effective hold off voltage is described. The design procedure presented is a modification of a recently reported [Baker and Johnson, Rev. Sci. Instrum. 63, 5799 (1992)] method. Comments are made on implementing MOSFET stacks in various types of instrumentation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1144043
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Fatty Acyl-CoA Inhibits 1-Alkyl-sn-Glycero-3-Phosphate Acetyltransferase in Microsomes of Immature Rabbit Cerebral Cortex: Control of the First Committed Step in the De Novo Pathway of Platelet-Activating Factor Synthesis (1995)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 64 (1995), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Microsomal fractions of cerebral cortices of 15-day-old rabbits were used to study the 1-alkyl-sn-glycero-3-phosphate (AGP) acetyltransferase that generates 1-alkyl-2-acetyl-sn-glycero-3-phosphate in the de novo path of platelet-activating factor synthesis. The AGP acetyltransferase activity was inhibited by small concentrations of medium-long chain fatty acyl-CoA thioesters. In contrast, the AGP acyltransferase used oleoyl-CoA as substrate and was not inhibited by the presence of acetyl-CoA in high molar excess. The inhibition of AGP acetyltransferase was seen at concentrations of oleoyl-CoA as low as 0.5 µM using 12.5 µM AGP and 200 µM acetyl-CoA. The inhibition by oleoyl-CoA was noncompetitive for the acetyl-CoA substrate. However, there was evidence that the oleoyl-CoA was competing with AGP in the acetyltransferase reaction, as the inhibition was lessened by increasing the AGP substrate concentration. Several acyl-CoA thioesters were effective as inhibitors of the AGP acetyltransferase, including oleoyl-, palmitoyl-, lauroyl-, and octanoyl-CoA. Propionyl- and butyryl-CoA were less effective as inhibitors, and propionyl-CoA was found to be a competitive inhibitor for acetyl-CoA. We have noted earlier that MgATP is an effective inhibitor of the AGP acetyltransferase and here we show that the inhibition by oleoyl-CoA can be increased by the presence of 0.1 mM MgATP. In brain ischemia, a decline in ATP levels would likely lead to a corresponding fall in acyl-CoA concentrations, thereby relieving the inhibition of AGP acetyltransferase and permitting the flow of AGP into the de novo pathway of platelet-activating factor synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.1995.64010364.x
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  • 9
    Electronic Resource
    Electronic Resource
    The intake and feeding value for young beef cattle of two cultivars of tetraploid Italian ryegrass when grazed or conserved by artificial dehydration or ensilage (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 37 (1982), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two experiments were carried out to determine whether the differences in intake and feeding value previously shown between two grass cultivars when offered to ruminants as chopped artificially dehydrated (dried) material could also be demonstrated when the grasses were offered in other forms. Two cultivars of tetraploid Italian ryegrass (Lolium multiflorum), Sabalan and Tetila, were established in the same field in 1975. In 1976 they were grazed and conserved (two cuts of primary growth) as dried material or as silage.The composition of the herbage selected at pasture and conserved showed higher concentrations of normal detergent fibre and acid detergent fibre in the dry matter for Tetila than for Sabalan, but differences between cultivars in digestibility were small. In both grazing and winter feeding trials differences in voluntary intake between the two cultivars were not significant, but at pasture young beef cattle spent less time grazing and tended to spend more time ruminating on Tetila than Sabalan. There was no measure of animal performance at pasture but liveweight gain was 15% higher for Sabalan than Tetila when both were offered to young beef cattle as the sole feed of dried grass or of silage. The voluntary intakes of the three forms of feed were very similar, which in part reflected a similarity in digestibility. However, gains were lower for calves given silage than those given dried grass. This may have been due to a lower efficiency in the utilization of the nitrogeneous components of silage for tissue growth than those of dried grass.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1982.tb01573.x
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  • 10
    Electronic Resource
    Electronic Resource
    GRASSLAND RECORDING. IV (1964)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 19 (1964), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The traditional method of calculating field output by the utilized-starch-equivalent (U.S.E.) system is compared with a recommended simpler and quicker method. The concept of calculating a U.S.E. factor is introduced and forms the basis for the new method. A monthly U.S.E. factor is used, in conjunction with monthly cow-day (CD.) records to calculate U.S.E. Savings of at least 50% may be expected. Agreement between the two methods is very close and the more seasonal nature of the calculation for sheep and non-milking cattle under the new method may be preferable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1964.tb01155.x
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