... the contribution of each of these two components can provide better understanding of the natural history of disease, allow monitoring of disease progression, evaluate the impact of a therapeutic ... analysis the inverse slope of the log-log relationship of the size of the low attenuation cluster (number of contiguous voxels
Ngày tải lên: 12/08/2014, 11:23
... of surface plasmon frequency of gold nanoparticles, using nematic liquid crystals [J Muller et al, Appl Phys Lett 81, 171 (2002).] Schematic of experimental configuration Measured deviation of ... substrate Sphere at end of waveguide is excited using the tip of near-field scanning optical microscope (NSOM), and wave is detected using fluorescent nanospheres Calculation of SP modes in nanoparticle ... melon config, 22 mev) Propagating Waves of Surface Plasmons in Chains of Nanoparticles A chain of closely spaced metallic nanoparticles allows WAVES of surface plasmons to propagate down...
Ngày tải lên: 15/03/2014, 23:50
Báo cáo khoa học: "Automatic Prediction of Cognate Orthography Using Support Vector Machines" potx
... – which became known under the name of edit distance (ED) A good case in point of a practical application of ED is represented by the studies in the field of lexicon acquisition from comparable ... interesting spin-off was analysed by Kondrak (2004), who first highlighted the importance of genetic cognates by comparing the phonetic similarity of lexemes with the semantic similarity of the glosses ... step of the algorithm The choice of manipulating the source language file was supported by the fact that we were aiming to limit the features of the ML module to 27 at most, that is the letters of...
Ngày tải lên: 31/03/2014, 01:20
Báo cáo khoa học: "Dosimetric consequences of the shift towards computed tomography guided target definition and planning for breast conserving radiotherapy" pdf
... boost-volume isocenter, a two dimensional (2D) reconstruction of all surgical clips, and the marked location of the scar On the basis of the position of the clips and the available pre-operative information, ... field length of the boost beams was prescribed on the basis of the surgical clips, as visualised by means of digitally reconstructed radiographs The conventional boost plan consisted of three equally ... coverage of the breast PTVCT was adequate in 72% of the patients (in these patients, ≥ 95% of the prescribed breast dose was delivered to ≥ 95% of the breast PTVCT) With 3D-CRT, coverage of the...
Ngày tải lên: 09/08/2014, 09:22
Báo cáo y học: "Delayed diagnosis of intermittent mesenteroaxial volvulus of the stomach by computed tomography: a case report" ppt
... Journal of Medical Case Reports 2008, 2:343 Case presentation A 73-year-old male patient had a history of left upper lobectomy for carcinoma of the lung years earlier He complained of a 1-year ... (1) rapid diagnosis of gastric volvulus based on a few coronal reconstructed images, (2) detection of the presence or absence of gastric pneumatosis and free gas suggestive of necrosis and perforation, ... representation of mesenteroaxial volvulus Diagrammatic representation of mesenteroaxial volvulus The axis of rotation is the dotted line that bisects the greater and lesser curves of the stomach...
Ngày tải lên: 11/08/2014, 19:21
Báo cáo y học: " Evolution of changes in the computed tomography scans of the brain of a patient with left middle cerebral artery infarction: a case report" pps
... to appear as an area of low density Figure admission Computed tomography scan of the brain 72 hours after Computed tomography scan of the brain 72 hours after admission Page of (page number not ... stroke and the suspected calcified area was not a bleed Figure Computed tomography scan of the brain at admission Computed tomography scan of the brain at admission http://www.jmedicalcasereports.com/content/2/1/148 ... Some early signs of acute MCA infarction are loss of definition of the grey/white interface in the lateral margins of the insula, leading to loss of insular ribbon [1], attenuation of the lentiform...
Ngày tải lên: 11/08/2014, 23:21
Báo cáo khoa học: "Prediction of fluid responsiveness using respiratory variations in left ventricular stroke area by transoesophageal echocardiographic automated border detection in mechanically ventilated patients" pdf
... The threshold ΔPP value of 12% allowed discrimination between responders and non-responders with a sensitivity of 92% and a specificity of 83% The threshold ΔSA value of 16% allowed discrimination ... conceived of and designed the study, performed analysis and interpretation of data, edited the manuscript, and gave final approval of the manuscript JS performed analysis and interpretation of data, ... Practice parameters for hemodynamic support of sepsis in adult patients in sepsis Task Force of the American College of Critical Care Medicine, Society of Critical Care Medicine Crit Care Med 1999,...
Ngày tải lên: 13/08/2014, 03:20
Báo cáo sinh học: "Genome-wide prediction of discrete traits using bayesian regressions and machine learning" pptx
... distribuˆ tion of y and y Sensitivity and specificity for a given classifier may be computed as Sensitivity = number of TN , number of TN + number of FP and Specificity = number of TP number of TP + ... percentage of the accuracy obtained with the most important SNP, and provides insight in the level of association of the SNP with the disease The SNP with higher VI may be of interest for prediction of ... attention: the out of bag samples, and the variable importance Out of bag sample The out of bag data (OOB) is an interesting feature of RF Each tree is grown using a bootstrapped sample of the data,...
Ngày tải lên: 14/08/2014, 13:21
Báo cáo y học: "Ranked prediction of p53 targets using hidden variable dynamic modeling" potx
... activity profile of p53 derived using different numbers of known targets in the training set, from three to ten genes (b) Predicted activity profile of p53 derived using 100 combinations of three ... model document ivationfitting file giving of the of the rescaling of array of the A Wordof the coefficients detailsdifferential operator, extension of Additionalforto replicate measurements, ... with the online version of this article: A Word document giving details of the rescaling of array data, derivation of the coefficients of the differential operator, extension of model fitting to...
Ngày tải lên: 14/08/2014, 16:21
báo cáo khoa học: "Use of 3D-computed tomography angiography for planning the surgical removal of pineal region meningiomas using Poppen''''s approach: a report of ten cases and a literature review" pptx
... angiography for planning the surgical removal of pineal region meningiomas using Poppen’s approach: a report of ten cases and a literature review World Journal of Surgical Oncology 2011 9:64 Competing ... successful in the removal of large pineal region tumors in six cases, Li et al World Journal of Surgical Oncology 2011, 9:64 http://www.wjso.com/content/9/1/64 Page of Table Surgical treatments and ... retrospective analysis of CTA images of these pineal region meningiomas, combined Li et al World Journal of Surgical Oncology 2011, 9:64 http://www.wjso.com/content/9/1/64 Page of Table Clinical histories...
Ngày tải lên: 09/08/2014, 02:20
Báo cáo khoa học: " Imaging evaluation of the liver using multi-detector row computed tomography in micropigs as potential living liver donors" pdf
... enhanced axial computed tomography (CT) images show relatively homogenous enhancement at the level of hepatic vein draining into the inferior vena cava of the micropig Total volume of the liver ... row computed tomography No Sex Weight (Kg) Volume of liver (ml) Volume of Rt lobe liver (ml) Diameter of *CHA (mm) Diameter of *PHA (mm) Diameter of *PV (mm) Mean ± SD M M F F F F F 34.5 41.5 38 ... maintenance of ventrodorsal position The MDCT scanner was set at a 1.0-mm section thickness, with a gantry rotation time of 500 msec, a table speed of 24 mm/rotation, a detector collimation of 1.5...
Ngày tải lên: 07/08/2014, 23:22
Báo cáo khoa học: "Determination of patient-specific internal gross tumor volumes for lung cancer using four-dimensional computed tomography" pptx
... four-dimensional (4-D) computed tomography (CT) image data set, followed by expansion of each GTV to account for microscopic disease The ITV is then determined to be the envelope of motion of the CTV In ... the MIP of the 4-D CT data set and then modifying these contours using visual verification of coverage in each phase of the 4-D CT data set to produce IGTVMIP-Modified Visual verification of coverage ... of any two 3D volumes A and B is defined as the ratio of the intersection of A with B to the union of A and B, that is, MI = A∩B A∪B As can be deduced from this equation, the maximum value of...
Ngày tải lên: 09/08/2014, 09:22
Báo cáo y học: "The feasibility of axial and coronal combined imaging using multi-detector row computed tomography for the diagnosis and treatment of a primary spontaneous pneumothora" pps
... disadvantages of traditional imaging methods The introduction of coronal imaging might provide more accurate examination of ELCs in cases of primary spontaneous pneumothorax Recently, computed tomography ... The feasibility of axial and coronal combined imaging using multi-detector row computed tomography for the diagnosis and treatment of a primary spontaneous pneumothorax Journal of Cardiothoracic ... preoperative diagnosis and surgical planning than simple axial HRCT for the diagnosis and treatment of primary spontaneous pneumothorax List of abbreviations MDCT: multi-detector computed tomography; ELC:...
Ngày tải lên: 10/08/2014, 09:21
PREDICTION OF ATRAZINE FATE IN RIPARIAN BUFFER STRIPS SOILS USING THE ROOT ZONE WATER QUALITY MODEL
... to improve the predictions of agricultural losses to runoff and seepage Previous research has shown that the use of RZWQM for simulating the pesticide and movement in the soil profile produces ... using RZWQM or any existing model to simulate the movement of pesticides within the RBS The objectives of this study were to use RZWQM as a tool to predict the efficiency of the RBS removal of ... communication) The model requires the albedo of dry soil, albedo of wet soil, albedo of crop at maturity, and albedo of fresh residue Albedo is the refraction of incoming solar radiation reflected by...
Ngày tải lên: 05/09/2013, 09:08
Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... realistic representation of the local activation overpotentials, which leads to improved prediction of the local current density distribution This leads to high accuracy prediction of temperature distribution ... durability of fuel cell stack components remains, in most cases, insufficiently understood Lengthy required testing times, lack of understanding of most degradation mechanisms, and the difficulty of ... the magnitude of phase change inside the GDL, expressions are required to relate the level of over- and undersaturation as well as the amount of liquid water present to the amount of water undergoing...
Ngày tải lên: 05/09/2013, 14:58
Tài liệu Báo cáo khoa học: Investigation and prediction of the severity of p53 mutants using parameters from structural calculations pptx
... in 85% of cases and Table Effect of cut-off value on the prediction accuracy The prediction accuracy, specificity, sensitivity, number of mutants classified and MCC values on training data using ... advantage of p53 mutation analysis, and a unique feature of this database, is the availability of the residual activity of the majority of p53 missense mutants The biological activity of mutant ... approach Prediction of p53 mutant severity to p53 to arrive at an automated method for the prediction of mutant severity In this paper, we show that this is possible and that we can achieve a prediction...
Ngày tải lên: 18/02/2014, 11:20
PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... interactions of the P with the two states δrespKa describes the change in the delocalization of π electrons of the two states due to P This delocalization of π electrons is assumed to be into or out of ... state of ionization in any condensed phase The ionization pKa of an organic compound is a vital piece of information in environmental exposure assessment It can be used to define the degree of ionization...
Ngày tải lên: 22/03/2014, 14:20
Báo cáo " Eutrophycation assessment and prediction of Bay Mau Lake using mathematical models " doc
... ,Xn: areas of the forms of land use and the land use methods 1, 2, ,n; a1,a2, ,an: exporting coefficients of phosphorus 2) Point sources: the amount of P from sewage (P4) In the case of Bay Mau ... months Fig Dynamic of PB, PE, PiN in 12 months Table Decrease of Cpl, PS, and content of PS Decreases of Cpl (%) Decreases of PS (%) Content of PS (mg/l) 50 48.89 - 49.53 2.08 - 4.14 75 73.46 - 74.16 ... Calculating the amount of phosphorus loading to the lake 3.1.2.1 Using empirical watershed model To calculate, we applied technological standards of OECD and Loer [1] The main sources of phosphorus include:...
Ngày tải lên: 28/03/2014, 15:20
báo cáo hóa học:" Different effects of femoral and tibial rotation on the different measurements of patella tilting: An axial computed tomography study" doc
... principles of research, and the informed consent was obtained Results Figure the knee Measurements of PTAs and the neighboring bone rotation of Measurements of PTAs and the neighboring bone rotation of ... thus axial computed tomography images of patients with PFPS were analyzed to explore the relationship between the different measurements of patella tilt angle and the measurements of its neighboring ... Patella tilt angle of Grelsamer; PTA-S: Patella tilt angle of Sasaki; PTA-M: modified patella tilt angle of Fukerson Page of (page number not for citation purposes) Journal of Orthopaedic Surgery...
Ngày tải lên: 20/06/2014, 01:20
báo cáo hóa học:" Cadaveric and three-dimensional computed tomography study of the morphology of the scapula with reference to reversed shoulder prosthesis" pptx
... three-dimensional computed tomography scapulas with a 95% CI of 0,002–0,45 and p = 0,034 for the cadaveric group with a 95% CI of 0,25–0,79) (Figures 5,6) The length of the neck of the posterior ... three-dimensional computed tomography and cadaveric scapulas Mean index of length in the "short-neck" group was of 4,80 (ranging from 4,22 to 5,41) for the three-dimensional computed tomography scapulas ... index of 0,655 and 0,661 respectively for each observer, the posterior glenoid neck length of 0,503 and 0,629 and the type of angle of glenoid surface and upper posterior column of the scapula of...
Ngày tải lên: 20/06/2014, 01:20