نتایج جستجو برای: double diffusion
تعداد نتایج: 401018 فیلتر نتایج به سال:
The recent outbreaks of human fascioliasis in Britain provided the opportunity for employing the double diffusion precipitin test in the diagnosis of this disease. In sensitivity and specificity this test appears to equal the complement-fixation test and has the advantages of simplicity and speed in its performance.
PURPOSE To introduce a novel diffusion pulse sequence, namely double oscillating diffusion encoding (DODE), and to investigate whether it adds sensitivity to microscopic diffusion anisotropy (µA) compared to the well-established double diffusion encoding (DDE) methodology. METHODS We simulate measurements from DODE and DDE sequences for different types of microstructures exhibiting restricted...
In this paper, we investigate the effect of a sharp cash level fluctuation resulting from the inflow and outflow of a large amount of cash and how the cash balance is managed. We describe the cash level evolution as stochastic jump-diffusion process with double exponential distributed jump size, and formulate a cash management model for minimizing the sum of the transaction and holding-penalty ...
Ten serogroups of Legionella pneumophila have now been described.' Although the direct fluorescent antibody technique is widely used to identify and serologically differentiate L pneumophila isolates,2 some cross reactivity between serogroups3 and some staining of non-legionella organisms with legionella antisera4 have been reporrea. Several simple alternatives to the direct fluorescent antibod...
Required in a wide range of applications in, e.g., finance, engineering, and physics, first-passage time problems have attracted considerable interest over the past decades. Since analytical solutions often do not exist, one strand of research focuses on fast and accurate numerical techniques. In this paper, we present an efficient and unbiased Monte-Carlo simulation to obtain double-barrier fi...
[4] J. Finsterbusch and M. A. Koch, J. Magn. Reson. 195, 23 (2008) [2] Callaghan, P. E. and Komlosh, M. E., Magn. Reson. Chem., 40, S15 (2002) [5] M. A. Koch and J. Finsterbusch, Proc. ISMRM 16, 764 (2008) [3] M. A. Koch and J. Finsterbusch, Magn. Reson. Med. 60, 90 (2008) Fig. 1: Histograms of signal difference between anti-parallel and parallel gradient orientations, (S(q,π)-S(q,0))/S0, in a ...
A novel determination method for urea using an acid urease column-FIA system was developed, and the system was applied to the determination of urea in rice wine. This novel FIA system was characterized by CO2 detection due to the property of acid urease and by a microfluidic gas-diffusion device with the use of an ultra-thin hollow fiber membrane. A biosensing system fabricated in this study wa...
Early approaches for computing duplicate-sensitive aggregates in sensor networks (e.g., in TAG) have used a tree topology, in order to conserve energy and to avoid double-counting sensor readings. However, a tree topology is not robust against node and communication failures that are common in sensor networks. Recent research has shown that for several duplicate-sensitive aggregates (e.g., Coun...
Nowadays, the study of source localization in complex networks is a critical issue. Localization has been investigated using variety feasible models. To identify network’s diffusion, it necessary to find vertex from which observed diffusion spreads. Detecting virus network equivalent finding minimal doubly resolving set (MDRS) network. This paper calculates sets (DRSs) for certain convex polyto...
Early approaches for computing duplicate-sensitive aggregates in sensor networks (e.g., in TAG) have used a tree topology, in order to conserve energy and to avoid double-counting sensor readings. However, a tree topology is not robust against node and communication failures that are common in sensor networks. Recent research has shown that for several duplicate-sensitive aggregates (e.g., Coun...
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