Design and quantitative analysis of protocols for epidemic information dissemination in mobile ad ho

major aspects: (1) PDI can be employed for key-to-value lookups in arbitrary mobile applications. (2) PDI explicitly considers the limited availability of memory resources on mobile devices by using buffers [...] sustained consistency as a novel measure for the coherence of the disseminated presence information. (2) It evaluates different alternative approaches for disseminating presence information with respect to [...] considers the spread of multiple data items as well as buffers with finite capacity and LRU replacement. (2) The approach conducts steady-state analysis rather than transient analysis. (3) The approach does not …

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Interpretation of UV ion mobility spectra by coupling to time of flight mass spectrometry

them have base peak corresponding to protonated molecule ions. Some of them such as 3-methyl-2-butanol and 2-hexanol the fragment ion are most abundant. These two groups of compounds all have obvious water [...] UV ion mobility spectra by coupling to time of flight mass spectrometry Loading... Files Liunt.pdf (2.41 MB) Date 2005-02-10 Authors Li, Fang Journal Title Journal ISSN Volume Title Publisher Universität [...] analysis. The detection limits are in the range of 0.8 µg/L for acetone, 8.6 µg/L for ethanol and 17.2 µg/L for benzene with direct permeation sampling. The instrument has a dynamic range of about 3 decades …

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