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  • Electronic Resource  (7)
  • 2005-2009  (3)
  • 1945-1949  (4)
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  • Electronic Resource  (7)
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  • 1
    Electronic Resource
    Electronic Resource
    DSP Based Implementation of Hybrid Fuzzy PI Speed Controller for Direct Torque Controlled Permanent Magnet Synchronous Motor Drive (2007)
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    International journal of emerging electric power systems 8.2007, 2, art6 
    Details
    ISSN: 1553-779X
    Source: Berkeley Electronic Press Academic Journals
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: This paper presents a Digital Signal Processor (DSP) based implementation of Hybrid of Fuzzy Logic Controller (FLC) and Proportional-Integral (PI) speed controller for Direct Torque Controlled (DTC) Permanent Magnet Synchronous Motor (PMSM) drive. The fuzzy membership function is used for hybrid control of these two FLC and PI speed controllers in such a way that at the time of dynamic conditions such as starting, the degree of belonging for FLC speed controller is higher than the PI speed controller and near set point the degree of belonging of PI controller is having higher weightage. The simulation model of the drive system is developed in MATLAB environment with simulink, PSB and FLC toolboxes to analyze the performance of the PMSM drive system. This hybrid speed controller is found suitable for DTC based PMSM drive to maintain the high level of performance while maintaining the excellent response at the time of starting, speed reversal, load perturbation and steady-state operating condition of the drive.
    Type of Medium: Electronic Resource
    URL: http://www.bepress.com/ijeeps/vol8/iss2/art6
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Chromosomal aberrations in squamous cell carcinomas of the upper aerodigestive tract: biologic insights and clinical opportunities (2005)
    Oxford, UK : Munksgaard International Publishers
    Journal of oral pathology & medicine 34 (2005), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Oncogenesis results from a progressive accumulation of genetic aberrations consequent to a complex interplay between carcinogenic factors and innate infidelity of DNA surveillance mechanisms. Although the development of genetic aberrations is random, those conferring survival advantages are selected for in a Darwinian manner, thus allowing continuous adaptation to selection pressures. Chromosomal aberrations are a prominent manifestation of genetic damage, which can be closely linked with tumor behavior and outcome as exemplified by curative treatment of chronic myelogenous leukemia resulting from targeting the BCR-ABL translocation. In the case of head and neck squamous cell carcinomas (HNSCC), chromosomal changes are detectable at all stages of tumor development, providing excellent opportunities for genomic prognostication and therapy. Several studies have shown that the overall genomic profile of HNSCC is highly consistent, but individual tumors vary significantly in their complement of genetic alterations, thereby confounding clinical correlation. The application of modern genetic and bioinformatic analytic approaches has facilitated the identification of critical genomic changes in HNSCC, many of which have been linked to clinical outcome. These genetic aberrations represent excellent targets for novel therapeutics, but require validation. The initiation of phase III trials evaluating the therapeutic utility of genetic aberrations suggests a promising future for genome-based treatment of HNSCC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.2005.00343.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Silica Jelly as a Substrate for Counting Holozoic Protozoa (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 302-302 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE study of selective feeding... of soil protozoa, especially amœbæ on a large number of bacterial strains, led to the development of an improved method6 of counting soil Protozoa. In the past, dilution methods7 of estimating Protozoa numbers have suffered, first ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157302b0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Factors Contributing to the Bacteriolytic Effect of Species of Myxococci upon Viable Eubacteria (1946)
    [s.l.] : Nature Publishing Group
    Nature 158 (1946), S. 745-745 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the lytic effect of certain myxobacteria upon the true bacteria (eubacteria) has been known for some years1–4, the mechanism of the process is imperfectly understood, and no one seems hitherto to have studied the possible production of antibiotic substances by the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/158745a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Soil Acrasieæ and their Bacterial Food Supply (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 133-134 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH the genera Dictyostelium and Polysphondylium were created by Brefeld1,2 in 1869 and 1884, no study has been made in Britain of that interesting group, the Acrasieæ, to which they belong. The occurrence of Dictyostelium in Polish and American soils has been recorded by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157133b0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Modelling to Reduce the Configuration Phase Time of Machine Design (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 44-46 (June 2008), p. 659-668 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The configuration phase for a new machine design is expensive and time consuming forspecial purpose machine manufacturers. This papers presents a modelling approach that can aid suchcompanies reduce the configuration phase time and its respective costs. The approach isdemonstrated with an industrial case study
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.44-46.659.pdf
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Limitation of Bacteria by Micro-Predators in Soil (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 140-141 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EIGHTY-SEVEN strains of very varied bacteria, t_j comprising common and rare strains from soil, pigmented and non-pigmented 'miscellaneous' strains, and a number of plant pathogens, were tested on eight micro-predators belonging to four different groups commonly found in soil. The methods used and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161140a0
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    Paper (German National Licenses)
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