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  • 1
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1777
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-4862
    Keywords: Nondestructive testing ; eddy current imaging ; broadband holography ; synthetic aperture imaging ; phase multiplication ; image reconstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Mathematics
    Notes: Abstract In this paper an eddy current imaging method for nondestructive testing purposes is presented which utilizes the concept of broadband holography. An eddy current coil which is used simultaneously as an antenna for eddy current generation and as a probe for detection of response of interaction between eddy currents and flaws, respectively, is moved along a synthetic aperture during the imaging procedure generating synthetic eddy current pulses by scanning a certain frequency range. In terms of wave propagation phenomena the penetration depth (range) of eddy currents in conducting media is small compared to the equivalent wavelength of this type of fields. Therefore, adequate resolution can only be obtained in the reconstructed cross-sectional images by phase multiplication of received multifrequency signals, which is equivalent to a fictitious reduction of wavelengths. Experimental results verify the imaging capability of this method with improved resolution compared to conventional eddy current testing methods.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of automated reasoning 2 (1986), S. 275-275 
    ISSN: 1573-0670
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of automated reasoning 3 (1987), S. 247-283 
    ISSN: 1573-0670
    Keywords: Unification ; associativity ; commutativity ; Abelian monoids ; Abelian semigroups ; automated theorem proving
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Unification in equational theories, i.e., solving of equations in varieties, is a basic operation in computational logic, in artificial intelligence (AI) and in many applications of computer science. In particular the unifiction of terms in the presence of an associative and commutative function, i.e., solving of equations in Abelian semigroups, turned out to be of practical relevance for term rewriting systems, automated theorem provers and many AI-programming languages. The observation that unification under associativity and commutativity reduces to the solution of certain linear diophantine equations is the basis for a complete and minimal unification algorithm. The set of most general unfiers is closely related to the notion of a basis for the linear solution space of these equations. This result is extended to unification in free term algebras combined with Abelian semigroups.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-0670
    Keywords: Theory unification ; AC-unification ; linear Diophantine equation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract This note reports about the implementation of AC-unification algorithms, based on the variable-abstraction method of Stickel and on the constant-abstraction method of Livesey, Siekmann, and Herold. We give a set of 105 benchmark examples and compare execution times for implementations of the two approaches. This documents for other researchers what we consider to be the state-of-the-art performance for elementary AC-unification problems.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-2614
    Keywords: coding medical concepts ; diagnoses ; electronic patient record ; ICD-9 ; quality of documentation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Notes: Abstract In clinical routine there is a growing need to encode medical concepts with available standard coding systems. The coding process can be time consuming and may significantly add to daily paperwork, particularly regarding patients with multiple diagnoses and in busy clinical environments with a high turnover of patients. We have developed a generic computerised encoding tool — the PADS encoder — to ensure rapid, correct and complete coding of diagnoses in daily routine. The tool is integrated into an electronic patient record system (PADS, Patient Archiving & Documentation System) and takes full advantage of the user friendly Macintosh interface. The tool was tested in a controlled experiment by 18 clinicians who encoded a total of 666 medical concepts in each protocol (study protocol vs. control). The following positive findings were significantly associated with the use of the computerised coding tool: - the number of correctly encoded medical concepts was higher (99.55% vs. 86.1%) - coding errors were lower (0% vs. 10.81%) - more modifier codes were encoded correctly (increase by up to 43%) - less coding errors were made (decrease by up to 43%) - the overall rate of correctly encoded and complete main and modifier codes was increased by 31.27% (97.29% vs. 66.02%) - coding time was reduced by 50% This paper presents data to suggest that a computerised coding tool can produce more complete data of higher quality and can save time compared with the traditional approach to encode medical concepts.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-2614
    Keywords: Computerized Patient Record ; Medical Record ; patient documentation ; Macintosh ; ORACLE ; 4th dimension ; local are network (LAN) ; Intensive Care Unit (ICU) ; graphical user interface (GUI) ; relational database management system (RDBMS) ; personal computer (PC)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Notes: Summary Rapid acquisition and analysis of information in an Intensive Care Unit (ICU) setting is essential, even more so the documentation of the decision making process which has vital consequences for the lifes of ICU patients. We describe an Ethernet based local area network (LAN) with clinical workstations (Macintosh fx, ci). Our Patient Archiving and Documentation System (PADS) represents a computerized patient record presently used in a university hospitals' ICU. Taking full advantage of the Macintosh based graphical user interface (GUI) our system enables nurses and doctors to perform the following tasks: admission, medical history taking, physical examination, generation of problem lists and follow up notes, access to laboratory data and reports, semiautomatic generation of a discharge summary including full word processor capabilities. Furthermore, the system offers rapid, consistent and complete automatic encoding of diagnoses following the International Classification of Disease (ICD; WHO, [1]). For educational purposes the user can also view disease entities or complications related to the diagnoses she/he encoded. The system has links to other educational programs such as cardiac auscultation. A MEDLINE literature search through a CD-ROM based system can be performed without exiting the system; also, CD-ROM based medical textbooks can be accessed as well. Commercially available Macintosh programs can be integrated in the system without exiting the main program thus enabling users to customize their working enviroment. Additional options include automatic background monitoring of users learning behavior, analyses and graphical display of numerous epidemiological and health care related problems. Furthermore, we are in the process of integrating sound and digital video in our system. This system represents one in a line of modular departmental models which will eventually be integrated to form a decentralized Hospital Information System (HIS).
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 10 (1970), S. 317-325 
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Zusammenfassung Es wurden Eis-Einkristalle erzeugt, die homogen mit HF dotiert waren. Daran wurden Distributionskoeffizienten bestimmt und das Alterungsverhalten untersucht. Es wird angenommen, daß für Fluor-Konzentrationen im Eis kleiner als 10−6 Mol/Liter die gesamte Fremdsubstanzmenge in den Korngrenzen der Mikrostruktur eingelagert wird, wogegen bei höheren Konzentrationen keine Mikrostruktur existiert und die Fremdsubstanz gleichmäßig im Bulk verteilt ist. Die Alterungsuntersuchungen ergaben, daß der Fluorgehalt im Eis im Laufe der Zeit bis zu einer Grenzkonzentration von 10−6 Mol/Liter abnimmt. Dabei dürfte die Mikrostruktur wieder aufgebaut werden.
    Abstract: Résumé Des cristaux de glace contenant du HF en mélange homogène ont été produits. Les coefficients de distribution ont été déterminés et le comportement de la glace analysé à l’aide d’essais de vieillissement. Il a été supposé que pour des concentrations de fluor dans la glace plus petites que 10−6 mol/litre, la quantité entière de la substance dissoute est concentrée dans les limites des grains de la microstructure, tandis que dans le cas de concentrations plus hautes, où la microstructure n’existe pas, la substance dissoute est régulièrement distribuée dans le volume. Les essais de vieillissement ont montré que la concentration de fluor dans la glace diminue avec le temps jusqu’à une concentration-limite de 10−6 mol/litre. La microstructure pourrait alors s’être reconstruite.
    Notes: Abstract Ice single crystals were produced, which were homogeneously doped by HF. Distribution coefficients were determined, and ageing experiments were done. It is assumed: for fluorine-concentrations less than 10−6 m/l the whole solute is concentrated in the grainboundaries of the microstructure, but at higher concentrations there exists no microstructure and the solute is regularly distributed in the bulk. The ageing experiments showed that the fluorineconcentration decreases while stored until a limiting concentration of 10−6 m/l is reached. Then the microstructure may be rebuilt.
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