QRSPQuick Reaction Special Projects
QRSPQuake Relief Summer Program (est. 2005; Impak)
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References in periodicals archive ?
According to (9), the more or the less homogenous the spatial distribution of the QRSP, the lower or the higher the standard deviation is, the less or the more the difference between a and P, and the higher or the lower the homogeneity is.
In order to get the observation data used to validate the QRSP, the challenging problem is that the IFOV of the instrument is usually much smaller than the IFOV of the sensor from which the QRSP is retrieved.
Assuming the spatial resolution ratio between the validated QRSP and the adopted instrument is P, we now determine the positions at which the validating data are measured.
Compared with the traditional observation based on discrete ground points, the quantitative remote sensing products (QRSPs) retrieved from electromagnetic signals with certain spectral bands provide two-dimensional distribution information for land surface variables for studying hydrology, geography, disaster, and so forth [1].
At the beginning of remote sensing, researchers knew the importance of validating the QRSPs and paid many efforts to do it; however, it remains an unsolved problem [2].
So far, the QRSPs are usually validated using ground based observation data that are gathered in the coordinated field campaign which combines spaceborne, airborne, and ground based observations together [15].
However, without these observation data, the relationship could not be connected between the QRSPs and their reliability.
In our current study, we sought to investigate the fitness of QRSP mutants.
(5), who demonstrated that clinical strains of QRSP were less virulent in outbred mice than a quinolone-susceptible laboratory strain and its quinolone-resistant isogenic mutant.
If QRSP are less efficient than fluoroquinolone-susceptible S.
Thus, QRSP may have reduced ability to initiate infections in the absence of fluoroquinolone selection and may be inefficient at displacing resident susceptible strains and therefore causing disease.
The few reports of clonal spread of QRSP and of fluoroquinolone resistance in multidrug-resistant isolates raise the possibility that these isolates may have already acquired compensatory mutations.