... Department of Water Affairs and Forestry and conducted by the Division of Forest Science and Technology of CSIR in South Africa Messrs J Vlok and M Viviers are thanked for their help in the identification ... on average) and disk-harrowing of the whole area Ripping and ploughing were preceded by manual removal of slash and destumping with a Bellaco Destumper mounted on a tractor Ripping and ploughing ... pulling of the vegetation and application of herbicides Chemical weed control included broadcast applications of glyphosate at kg ae/ha and months before planting, and a broadcast application...
Ngày tải lên: 08/08/2014, 19:21
... (JSW) at baseline (M0) and 36 months (M36), and the joint space change for the three views and two observers (and their mean and SD) AP, anteroposterior; ∆, difference; SD, standard deviation Table ... presented for each view and for each observer (reader 1, reader and mean of the two readers) for M0 and M36, and their difference (M36–M0) using descriptive statistics (number, mean, standard deviation ... from observer x x x Mean of values from observers and x x x Reading and reading of M0 for each observer Difference between M0 and M36 for readings and for each observer Data rotation of the foot...
Ngày tải lên: 09/08/2014, 07:20
Báo cáo khoa học: "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing" potx
... We describe OWL-QN more fully in (Andrew and Gao 2 007) We also show that it is significantly faster than Kazama and Tsujii‟s algorithm for L1 regularization and prove that it is guaranteed converge ... level of performance References Andrew, G 2006 A hybrid Markov/semi-Markov conditional random field for sequence segmentation In EMNLP, 465-472 Andrew, G and Gao, J 2 007 Scalable training of L1-regularized ... argminw0ExpLoss(w), and wd = for d=1…D Take a forward step according to Eq (8) and (9), and the updated model is denoted by w1 Initialize = (ExpLoss(w0)-ExpLoss(w1))/ Take a backward step if and only...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "Theoretical Evaluation of Estimation Methods for Data-Oriented Parsing" pot
... G are 0, except for w7 , which is necessarily 1, and w4 and w6 which are w4 = p and w6 = − p He finds that the expected values of the weights w4 and w6 of the estimated grammar G are: E[w6 ] = ... 373–384 Berlin: Springer Verlag Andreas Zollmann and Khalil Sima’an 2005 A consistent and efficient estimator for data-oriented parsing Journal of Automata, Languages and Combinatorics In press Discussion ... t1 and t5 with expected frequencies: E[f1 ] = w1 + w2 w7 + w3 w7 + w4 w7 w7 f1 = (9) j=1 fj f5 E[f5 ] = w5 + w6 w7 = (10) j=1 fj Now consider the two possible complete trees t1 and t5 , and...
Ngày tải lên: 17/03/2014, 22:20
Software Cost Estimation and Sizing Methods - Issues and Guidelines pptx
... why and how risk occurs in software estimates, (3) detailing the options for choosing estimation techniques and their required inputs when developing estimates, and (4) developing strategies and ... programs RAND Project AIR FORCE RAND Project AIR FORCE (PAF), a division of the RAND Corporation, is the U.S Air Force’s federally funded research and development center for studies and analyses ... readiness, and support of current and future aerospace forces Research is performed in four programs: Aerospace Force Development; Manpower, Personnel, and Training; Resource Management; and Strategy and...
Ngày tải lên: 29/03/2014, 18:20
inverse problem theory and methods for model parameter estimation - a. tarantola
... study is a random realization of a Gaussian random field, with given mean mprior and given covariance CM (examples of realizations of such random fields are displayed in chapter (Figure 2.4) and chapter ... finite-dimensional manifold, and given two probability distributions P1 and P2 over X , we shall define the disjunction P1 ∨ P2 (to be read P1 or P2 ) and the conjunction P1 ∧ P2 (to be read P1 and P2 ) Taking ... f2 (x) µ(x) These two operations bear some resemblance to the union and intersection of fuzzy sets16 and to the ‘or’ and and operations introduced in multivalued logic,17 but are not identical...
Ngày tải lên: 31/03/2014, 15:24
báo cáo hóa học: " The role of interleukin-12 in the heavy metal-elicited immunomodulation: relevance of various evaluation methods" potx
... IL-12p40 in both metals and during both time lapses have been indicated As an indicator for both of Th1 and Th2 responses, expression of IFN-γ and IL-4 mRNA was assessed and compared with the serum ... C, Andersson J, Orn A: Role of IFN-alpha/beta and IL-12 in the activation of natural killer cells and interferon-gamma production during experimental infection with Trypanosoma cruzi Clinical and ... mg/kg body weight) Mice were monitored daily for food and water consumption and for signs of morbidity Control mice were sacrificed at day 21 and other mice were sacrificed following or weeks of...
Ngày tải lên: 20/06/2014, 00:20
báo cáo hóa học:" Efficient methods for joint estimation of multiple fundamental frequencies in music signals" docx
... 07- 08 methods submitted for frame by frame (FBF) and note tracking (NT) evaluation Id AC -07 References [43] CL -07 [18] CL-08 [44] YRC -07 DRD-08 [30] [45] EBD -07 [20] EBD-08 [46] EOS-08 EOS -07 ... criteria for candidate selection is left as future study 2.3 Generation of candidate combinations All the possible combinations of the F selected candidates are calculated and evaluated, and the combination ... estimated for each of its candidates Then, these patterns are evaluated in terms of their intensity and smoothness, assuming that music sounds have a perceivable intensity and their spectral shapes...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Computational Methods for Estimation of Cell Cycle Phase Distributions of Yeast Cells" docx
... noisy, and no conclusions can be made The measurements for small and large buds in Figures 12(b) and 12(c) show some alignment: at an early time instant there are a lot of small buds, and at ... corresponding to the G1 and G2/M phases, are wide, and there is a large number of cells between the peaks Thus, the proposed estimation method EURASIP Journal on Bioinformatics and Systems Biology ... that all small buds are detected and separated from their parent cells Moreover, there are no false separations, that is, all cutlines are located between a bud and a parent cell The steps of the...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Contour Estimation by Array Processing Methods" pptx
... Huffel and J Vandewalle, “The total least squares technique: computation, properties and applications, ” in SVD and Signal Processing: Algorithms and Architectures, E F Deprettere, Ed., pp 189– 207, ... Aghajan and T Kailath, “SLIDE: subspace-based line detection,” IEEE Transactions on Pattern Analysis and Machine Intelligence, vol 16, no 11, pp 1057– 1073 , 1994 [10] H K Aghajan, Subspace techniques ... Transactions on Acoustics, Speech, and Signal Processing, vol 37, no 7, pp 984–995, 1989 [14] J Sheinvald and N Kiryati, “On the magic of SLIDE,” Machine Vision and Applications, vol 9, no 5-6, pp...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Training Methods for Image Noise Level Estimation on Wavelet Components" ppt
... the noise and image components and to fit the data to this model One model, consistent with the use of a soft thresholding scheme, is to assume that the noise is additive and Gaussian and the image ... + σl2 (x) , (8) x0l1 l2 = arg max fl1 ,l2 (x) , x where l1 and l2 are the two noise levels, ml (x) and σl (x) are the mean and the standard deviation of the cdf at a grey level x computed across ... Laplacian distribution and the image component distribution (sixth column) The ratio between the values in the third and sixth columns and in the same row is almost constant and this demonstrates...
Ngày tải lên: 23/06/2014, 01:20
flat bed drying including survey results on the drying costs of various drying methods practiced in mekong delta ''''
... March 2 007 Batch Number Batch Batch Air reversal Yes Drying temperature (oC) ± StDev No 43.3 ± 3.1 43.0 START date-time 08-03 -07 10:30 10-03 -07 11:30 END date-time 08-03 -07 16:30 10-03 -07 17:30 ... Institute (see Appendix) and the University of Queensland 3.3 Results and discussion: 3.3.1 July 2006 experiments The experiment results are summarized in Table Figures and show the moisture reduction ... YES , and b) NO − Drying temperature at levels: a) Constant at 43 oC ; and o b) At 50 C for the first hour, and afterwards constant at 43 oC − Final moisture content at levels: a) 14.5 % ; and...
Ngày tải lên: 29/06/2014, 20:32
Báo cáo khoa học: " Comparison of two sap flow methods for the estimation of tree transpiration" ppt
... Valancogne and Nasr [12] and van Bavel and van Bavel [3] This method has been tested and validated G sepium trees [9] The apparatus consists of a flexible heater encircling the stem and providing ... small area, steep slope or sparse canopy The in situ measurement by sap flow techniques is the only way, and different techniques exist [11] The basis of the of energy budget established by Sakuratani ... Shepshed, LE129AL, UK) scanned the every 10 s and recorded average valevery 15 sensors ues RESULTS AND DISCUSSION Both methods appeared to be reliable, and were used without any problems during the...
Ngày tải lên: 08/08/2014, 23:22
Báo cáo khoa học: "Analysis of limb function after various reconstruction methods according to tumor location following resection of pediatric malignant bone tumors" doc
... in our department between 1973 and 2008 The mean age of the 31 patients (16 boys, 15 girls) was 10.6 years (range: 5-15 years), and the mean follow-up was years and months (range: 1-16 years) ... and 10 with osteosarcoma were treated jointly with the Pediatric Department All patients with Ewing's sarcoma and PNET received preoperative radiotherapy for local control (Additional files and ... gait, walking, and function were all 100%, and the overall functional score was 81% (Figure 2) Complications Postoperative courses were complicated by infection in cases (Cases 16 and 28) skin...
Ngày tải lên: 09/08/2014, 03:21
Báo cáo sinh học: "Use of sib-pair linkage methods for the estimation of the genetic variance at a quantitative trait locus" pps
... Fulker and Cardon (1994) since both methods are based on the idea of interval mapping (Lander and Botstein, Haley regression and Knott in crosses 1989) CONCLUSIONS The extension of Haseman and Elston’s ... A simulation study will be presented to examine the power and properties of the method genetic MATERIALS AND METHODS Theory Haseman and Elston’s test (1972) is based on the idea that the difference ... replication For a discussion of the effects of the mating structure and common environment, see G6tz and Ollivier (1992) Gbtz and Ollivier (1992) found that the use of fully informative matings...
Ngày tải lên: 09/08/2014, 18:21
báo cáo khoa học: "Estimation of realized heritability in a selected population using mixed model methods" ppsx
... functions of n and h In table are given , values of q&dquo; q, and q, for various values of n and h’ showing that q&dquo; q q increase as , h’ increases and that q, and q decrease and q increases ... when h= 0.1, 0.3 and 0.5 p) o and when n 30 and h, 0.5 then E (b p) o 0.088, 0.280 and 0.483 Again showing Z the crucial dependence of b on the assumed value of heritability hand not on the p ... (1/4) h(y; - y,) and m y, (1/ ) z ) 2) h(y; - y,) The discrepancy between these values is z (h This is used in the mixed model approach to provide information on m, and m and q, and q can be ,...
Ngày tải lên: 09/08/2014, 22:22
Báo cáo y học: "Methods of estimation of mitral valve regurgitation for the cardiac surgeo" pot
... thoracic aorta and left atrium which may overestimate the mitral regurgitation [1], g) avoid derangements of preload and afterload (systemic and pulmonary vascular resistance for aortic and mitral ... Aklog L [10], 90% of their patients with moderate (3+/ 4+) mitral regurgitation who underwent intraoperative TEE had their MR downgraded to mild or less (1+-2+/4+), and in 30% of their patients, there ... sensitivity and specificity of 89% and 88% respectively for detecting flail or prolapsed leaflets compared to findings at surgery in 47 patients This compared with a sensitivity and specificity of 93% and...
Ngày tải lên: 10/08/2014, 10:20
Báo cáo khoa học: " Estimation of pulmonary capillary pressure: different methods for different pathophysiological processes" docx
... Critical Care April 2005 Vol No Nunes suitable at every stage of disease and/ or that the methods needed to estimate PCP may need to vary according to the changing patophysiological ... patients The variability due to the cardiac cycle may be minimized by performing several occlusions and choosing only those that occur during systole [1] Estimates of PCP based on these tracings have ... during systole, the inflation of the pulmonary arterial catheter balloon is always relatively slow, and accuracy (at least with respect to the starting point of balloon inflation) could still be enhanced...
Ngày tải lên: 12/08/2014, 22:21