ventilation perfusion tomography the foremost technique for pulmonary embolism diagnosis

... leakage of perfusate For this reason, the IRLL is the final biopsy taken at the conclusion of the IPRL experiment If the liver is required for electron microscopy, it can then be immediately perfused ... recorded The central third was typically used for histology, and if required, the lateral thirds can be homogenised for biochemical assays For the duration of each IPRL experiment, the liver ... histology, the central axis of the blood supply is the terminal afferent portal venules in the vascular septum Page of extending between portal triads The sparsity of these septal branches in the rat...

Ngày tải lên: 13/08/2014, 13:20

Ngày tải lên: 15/02/2014, 13:20

... set small enough for the tree matcher; only for those it determines the corresponding index treegrams (5) VENONA processes these selected treegrams until the candidate set has the desired size ... keeps the index small but introduces another problem: A query treegram may not appear in the treegram index as it is Therefore, VENONA expands all query treegram structures at runtime; for a ... subtree (c) It is quite expensive to intersect the tree sets T(DB, g) for all treegrams g contained in the query q VENONA addresses these problems by the following approach: P r o b l e m A: Processing...

Ngày tải lên: 17/03/2014, 23:20

... match the natural period of the signal, discontinuities appear at the boundaries of the record These discontinuities [16 ] are the cause of the leakage The function of a window is to reduce them For ... bias but at the same time increases the variance On the other hand, the use of the Rectangular window makes a FTE biased even for high SNR In Fig 21 the behavior of the estimator as the number ... Comparison between the inverse of the variance and the CRB for the first DOA estimate f2 f1 Å 0.090 Hz and SNR Å 17 dB The TFBMPM reaches the CRB for all u1 u2 because the SNR is above the threshold...

Ngày tải lên: 26/03/2014, 00:29

... the values of the joint frequency measures of the various target equivalents occurring in the above example The bottom row lists the values of the marginal frequency measures for the ten groups ... and the one with the highest value is selected as correct For example, in the case of 'STRUCTURE/BUILDING', the figure of merit for 'STRUCTURE' is 14.97, while that for BUILDING' is 2.6; and the ... of merit technique enabled the choice of correct equivalents for 66 out of the 76 multiple meaning words The correctness of the choice was judged by examining the intended meaning of the original...

Ngày tải lên: 30/03/2014, 17:20

... Table for the exact nucleotide sequences of these anti-sense strand primers) The degeneracy of the primer pools is indicated in parentheses and the highlighted residues are discussed in the text The ... See legend to Table for the I.U.B code Figure 11 for the relative positions of the conserved sequence blocks from which the CODEHOPs were derived The degree of degeneracy, ie the number of individual ... identify the coding sequence The actual PCR primer is the complement of the sequence DMGLB was biased towards KSHV-like sequences by using the codons from the KSHV TS gene in the 5' clamp region of the...

Ngày tải lên: 18/06/2014, 22:20

... in order to improve the biomechanical properties of the technique [20] Rowland and Burkhart [21] gave an emphasis on the mathematical need to put the transverse hole for the figure-of-eight tension ... proved adequate for the eradication of the infection while in the other elbows wound irrigation and surgical debridement were performed http://www.josr-online.com/content/3/1/9 The anterior ulnar ... (page number not for citation purposes) Journal of Orthopaedic Surgery and Research 2008, 3:9 Statistics The microsoft excel program was used for the creation of the graphs and the SPSS program...

Ngày tải lên: 20/06/2014, 01:20

... insertion, and the tightness of clamping was thus the same for all FRFs i = n) In the measured structure the only variable was the connection between the implant and the bone The shaker was held ... member of the surgical team) The FRF graph slightly shifted to the left at the fifth insertion stage indicating a decrease of the stability before the sixth stage when the bone was fractured The final ... correspond to more intricate deformation modes of the femur in combination with deformation modes of the prosthesis In the case of simple bending modes of the femur the prosthesis stem acts just like...

Ngày tải lên: 20/06/2014, 01:20

... here are the emulsion layer and base layer The emulsion layer contains the photographic content of the film, while the base layer provides support and rigidity to the film Therefore, the base layer ... θx , θ y , (a) The synthetic light table (b) The scanning environment with the plane in place (c) The plane on the fully illuminated light table (d) The surface gradients for the plane where ... provided the groundwork for estimating the feasibility of the scanner The planar test demonstrated the noise introduced by the perspective projection of the imaging device This can be seen by the...

Ngày tải lên: 21/06/2014, 20:20

... restored to the state before the last update The hardware cost for the proposed algorithm is considered low For trapping sets storage, we need to assign one bit for each variable node (message forwarding ... on (8), the estimated value of a variable node is the sum of its intrinsic information and messages received from the neighboring three check nodes Therefore, the estimation equation for each ... follows If γi = 1, then vi forwards the received neutralization message to all neighboring check nodes except the one that sent the message; otherwise it does not forward the received message...

Ngày tải lên: 21/06/2014, 23:20

... areas: the foreground and the background The foreground or ridges area is the component that originates from the contact of a fingertip with the sensor The noisy area at the borders of the image ... attack Another point that should be raised is the influence of the size of sets Si on the performance of the decoder: the larger the set, the better the results This is justified by the fact that ... hidden information bits The results are plotted in Figures and for the DCT and the DWT domains, respectively As can be seen, for images form DB2 and DB3, the BER is lower for the proposed technique...

Ngày tải lên: 22/06/2014, 00:20

... may be helpful for biologists who have conventionally used either the autocorrelation (α = 0) or the Fourier transform (α = 1) For the purpose of sequence periodicity visualization, for example, ... transformbased calculation of S[k] for periods ρ = 1, 2, , P, where P is the longest period to be estimated Secondly, calculating the DFT at other frequencies k = N/ρ is unnecessary For / these ... of the period in Figure These results confirm earlier observations that the IPDFT provides more robust period estimates for prime periods than the autocorrelation, while the reverse is true for...

Ngày tải lên: 22/06/2014, 00:20

... set for all the three classifiers are highlighted with an ∗ The best results for each of the five image sets for the 1-NN classifier are depicted in brackets ( ) Then, best results for all the ... is the Bootstrap approach This method uses the resampling of the original dataset for the generation of b multiple training and test sets If the Bootstrap procedure may be the best way for the ... representativeness of the reference data which are used for the evaluation of the whole classification process The former is particularly important for the model-based classifiers as the statistical...

Ngày tải lên: 22/06/2014, 01:20

... function The details of the monotone iterative method can be found in [20–27] and for the abstract monotone iterative method, see [28, 29] To the best of the authors’ knowledge, this is the first ... P For x ∈ A, let y = Ωx, which is bounded in E as the nonlinear functions f and K are continuous 4 Boundary Value Problems The expression for (Ωx) is given by (2.5) If A is bounded, then the ... ,θ1 ] for n = 0,1,2, Since Ω is compact by Lemma 2.4, therefore, we assert that the sequence {αn }∞ has a n= convergent subsequence {αnk }∞ such that αnk → α∗ k= Since α1 ∈ P[θ2 ,θ1 ], therefore,...

Ngày tải lên: 22/06/2014, 19:20

... the vertical bright stripes therefore always equals 255, which is the maximal possible value as the depth of all the considered images is of bits As defined in Figure 5, for the recording of the ... defect types which are the textural and the structural are well enhanced The images of the former are similar to the results obtained with the diffuse technique whereas the latter are also well ... Processing Concerning the synthetic images, the evaluation criterion was the detection error between the estimated and the known maxima positions For the real images, we used the classification rates...

Ngày tải lên: 22/06/2014, 19:20

... thus the optimization involves only the ith term of (25) In the next cycles, the estimates of the other (P − 1) delays obtained in the current and the previous cycles are exploited for the estimation ... on the other delay estimates obtained in the current and the previous cycles If these estimates are closer to their optimum values compared to the respective estimates of the previous cycle, the ... and their estimates τ P−1 are accurate enough Then according to (22)–(24), the estimation of the last delay τP is reduced to the maximization of the second term, while keeping the rest of the...

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 09/08/2014, 01:22

... considered for inclusion as a criterion for the classification of SLE [17,18] The use of anti-Rib-P antibodies is often based on the understanding that they are a serological marker for neuropsychiatric ... antibodies Thus, the detection of anti-Rib-P antibodies might be important not only for the diagnosis of SLE but also for the evaluation of CNS complications, particularly at disease onset and diagnosis ... death The epitope on NSPA responsible for the cross-reactivity has been speculated to consist of the Rib-P epitope core GFGLFD and acidic structures constituting a conformational epitope In another...

Ngày tải lên: 09/08/2014, 13:22

... coauthored the paper AB was a member of the surgical team MD performed linguistic control VL was a member of the surgical team DP was member of the anesthesiological team KS was member of the anesthesiological ... University of Thessaly, Larissa, Greece 2Department of Anesthesiology, University of Thessaly, Larissa, Greece Authors’ contributions G T is the main author of the manuscript and member of the surgical ... alternate solution for the treatment of ascending aortic aneurysms: the wrapping technique Journal of Cardiothoracic Surgery 2010 5:100 Conflicts of interest The authors declare that there are no conflicts...

Ngày tải lên: 10/08/2014, 09:22