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排序方式: 共有7427条查询结果,搜索用时 15 毫秒
21.
Andreas Rottmann 《Datenschutz und Datensicherheit - DuD》2006,30(3):153-154
Die elektronische Gesundheitskarte (eGK) bietet viele neue M?glichkeiten für eine vernetzte, effiziente Gesundheitsversorgung.
Komplexe ≫Card and Application Management Systeme≪ (CAMS) gew?hrleisten im Hintergrund Funktionsf?higkeit und Sicherheit —
von der Ausgabe der Karte bis zu ihrer Erneuerung. 相似文献
22.
A modern concept of cost-effective digital signal processing hardware for measuring and analysing data from experiments investigating turbulent two-phase flows is presented. Using an array processor together with an appropriate analog-to-digital converter, conventional turbulence characteristics such as turbulence spectra, correlation functions, turbulence intensities and — scales can be evaluated in real time. 相似文献
23.
Andreas Kleinert 《NTM》2006,14(3):174-177
In the late 19th and early 20th centuries, many prominent German and Austrian scientists declined the election as a member
of the Kaiserliche Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (in short: Leopoldina) because they were
not willing to pay the entrance and membership fees of about one fifth of the monthly salary of a full professor. Many of
theses candidates simply did not answer to the president’s notification of being elected. Some of them came up with ,,various
reasons not to be discussed”, or referred to their individual financial situation.The physicist Heinrich Hertz, who had become
famous by the discovery of electromagnetic waves in the late 1880ies, was the only elected candidate who protested bluntly
against what he considered as an unworthy procedure. Although it would not have been a much of a burden for him to afford
the requested entrance and membership fees, he refused to adhere to an association whose statues combined the award of an
academic distinction with the obligation of financial support. In two letters addressed to Leopoldina President Carl Hermann
Knoblauch,Hertz gave his reasons for declining his election to the academy. In the present article, Hertz’s letters to Knoblauch
are fully published for the first time.
相似文献
24.
Electrostatic destabilization of water-in-crude oil emulsions: Application to a real case and evaluation of the Aibel VIEC technology 总被引:1,自引:0,他引:1
In the current study, the Aibel Vessel Internal Electrostatic Coalescer (VIEC) technology was tested for a real case scenario encountered in the production train of a UK oil field. Depressurized samples were collected both upstream and downstream of the first stage separator. The separation performance was discussed with respect to water cut and droplet size distribution of the emulsions, and the effect of chemical treatment. Issues with respect to representative sampling and testing have been discussed. The application of an external AC electrical field has been shown to significantly enhance the separation of the aqueous phase from tight emulsions, both when it was used alone and in combination with a commercial demulsifier. By using the VIEC technology, the time for separation could be reduced from 8 min to 2 min and the overall BS&W in the emulsions was improved from 45% or 60% to a residual water content of 5-20%. Destabilization of a 45% water-in-oil emulsion by electrical and chemical treatment (20/40 ppm) produced oil in the 2-7% BS&W range whereas the corresponding tests without applying an electrostatic field led to a BS&W greater than 25%. The achieved results strongly suggest that the VIEC technology can resolve the stable emulsion bands encountered in the Schiehallion train and add flexibility or increased production rate to the process. The results also suggest the importance of further studies on the destabilization performances achieved by electrostatic means. 相似文献
25.
26.
Diffusion coefficients for proteins in water are predicted. The numerical method developed is general enough to be applied to a wide range of protein surface shapes, from rodlike to globular. Results are presented for lysozyme and tobacco mosaic virus, and they are compared with actual data and with predictions made by less general methods. 相似文献
27.
28.
A Chebyshev collocation strategy is introduced for the subdivision of cuboids into cuboidal subdomains (elements). These elements are conforming, which means that the approximation to the solution isC
0 continuous at all points across their interfaces. 相似文献
29.
Andreas Klenk Andreas Beck-Greinwald Hannes Angst Georg Carle 《Service Oriented Computing and Applications》2012,6(4):321-335
Inter-domain collaborations suffer not only from technological obstacles that hinder interoperability, but also from diverting business objectives of the involved domains. Today, hand-crafted contracts define the terms and conditions for service interactions. Electronic negotiation can serve as the enabler of dynamic interdomain collaborations by providing a large degree of freedom for the automation of agreement formation and electronic contracting. Negotiation by electronic means has been an area of intensive research for many years now. However, most effort was put on the determination of prices and neglected that real-world agreements also consist of complex dependencies of interdependent obligations. In this paper we present agreement negotiation as a tool to establish ad hoc services collaborations. Our novel protocol allows for the discovery of complex agreement options and for the formation of multi-party agreements. The protocol works through an iterative exchange of requirements and offers. A major benefit over existing bilateral negotiation protocols is that our protocol is capable of discovering potential collaborations between different parties. It will leave each negotiating party with a complete agreement document after a successful negotiation. This comprehensive agreement document defines the interdependent obligations between all parties and is well suited for E-Contracting. 相似文献
30.
Asim Muhammad Nabeel Ghani Muhammad Usman Ibrahim Muhammad Ali Mahmood Waqar Dengel Andreas Ahmed Sheraz 《Neural computing & applications》2021,33(11):5437-5469
Neural Computing and Applications - In order to provide benchmark performance for Urdu text document classification, the contribution of this paper is manifold. First, it provides a publicly... 相似文献