... Tsitsikamma National Park Soils of the experimental area are relatively uniform, moderately deep and are classified with the South African Binomial Classification as a Kroonstad-Oakleaf intergrate ... broadcast applications of glyphosate at kg ae/ha and months before planting, and a broadcast application of hexazinone at kg ai/ha months after planting In each of the 64 experimental units, 100 ... composed of dominant tree species such as Olea capensis subsp macrocarpa, Podocarpus latifolius and P falcatus, Platylophys trifoliatus, and Apodytes dimidiata Trichocladus crinitus, Rhumora adiantiformis,...
Ngày tải lên: 08/08/2014, 19:21
... American College of Rheumatology criteria [20]), who were 45–75 years old and who had a manually measured JSW on plain AP pelvic radiograph of 1–4 mm at baseline All patients gave written informed ... for each observer rowest JSW area All six views for each patient were read at the same time About 10 sets of radiographs were read during each reading session (60 radiographs) A break was planned ... statistical analysis IK performed the follow-up of the trial and the radiographic study, and data management BM, TS and EV significantly contributed to devising the protocol, analysis of data and...
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
... re-ranking tasks: a parse selection task and a language model adaptation task Then we apply the best of these estimators to two additional tasks involving conditional sequence models: a CMM for ... that it is significantly faster than Kazama and Tsujii‟s algorithm for L1 regularization and prove that it is guaranteed converge to a parameter vector that globally optimizes the L1-regularized ... imposes a kind of implicit regularization, and can closely approximate the effect of L1 regularization in a local sense (Hastie et al 2001) Empirically, smaller values of 𝜖 lead to smaller numbers of...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "Theoretical Evaluation of Estimation Methods for Data-Oriented Parsing" pot
... replace equation (1) with: fi j:r(tj )=r(ti ) (fj ) , A a b t5 = S A A b a t6 = S A A a A A A a a t7 = S A A b t10 =A t9 =S A A t4 = S a A b b t8 = S A A b A a t11 =A b Figure 2: Counter-example ... Sima’an 2005 A consistent and efficient estimator for data-oriented parsing Journal of Automata, Languages and Combinatorics In press Discussion & Conclusions A desideratum for parameter estimation methods ... http://iaaa.nl/rs/LeerdamE.html Khalil Sima’an and Luciano Buratto (2003) Backoff parameter estimation for the DOP model In Proceedings ECML’03, pp 373–384 Berlin: Springer Verlag Andreas Zollmann and Khalil Sima’an...
Ngày tải lên: 17/03/2014, 22:20
Software Cost Estimation and Sizing Methods - Issues and Guidelines pptx
... such as lines of code or number of requirements Advantages include ease of counting (and ease of counting automation), independence of programming language, ease of storage in a historical database, ... software management plans Other indicators of uncertainty are lack of consideration of the trade-off between maintaining a component or rebuilding it from scratch; lack of anticipation of potential ... central to any such analysis, and two techniques can improve accountability of risks relating to software estimates: identifying areas of uncertainty (that may lead to risky situations) and analyzing...
Ngày tải lên: 29/03/2014, 18:20
inverse problem theory and methods for model parameter estimation - a. tarantola
... structure, observations may consist in recording a set of seismograms at Earth’s surface We can thus arrive at the abstract idea of a data space, which can be defined as the space of all conceivable instrumental ... a didactical purpose Although this book contains a lot of mathematics, it is not a mathematical book It tries to explain how a method of acquisition of information can be applied to the actual ... array algebra see Snay (1978) or Rauhala (2002) ✐ ✐ ✐ ✐ ✐ ✐ ✐ 1.1 Model Space and Data Space book 2004/11/19 page ✐ manifold A probability over M is a mapping that, with any subset A of M , associates...
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
... GGC TGA CTG AAC TCA GAT TGA AG-3', as: 5'-GTC ACA GTT TTC AGC TGT ATA GGG-3'; (iii) IL-12p40 (NM_008352): s: 5'-GGA AGC ACG GCA GCA GAA TA-3', as: 5'-AAC TTG AGG GAG AAG TAG GAA TGG-3' and (iv) ... Moreover, analyzing the performance of an established HIV-1 PBA for detection of plasma Abs revealed its advantage in the resolution of weakly reactive samples comparable to two EIAs and Western ... maturation of naive human CD4 T cells Ann N Y Acad Sci 1996, 795:196-201 Ruitenberg JJ, Mulder CB, Maino VC, Landay AL, Ghanekar SA: VACUTAINER CPT and Ficoll density gradient separation perform...
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
... the individual parameters The abcissae axis is not labeled since these values depend on each particular parameter (the first and last values for each parameter have been displayed in each plot to ... practical situations A minimum spectral peak amplitude ε for the first partial (f0 ) can also be assumed in this stage The spectral magnitudes at the candidate partial positions are considered as a criterion ... correlate the most important spectral peaks with partials 2.2.2 Selection of F candidates Once the hypothetical partials for all possible candidates are searched, candidates are ordered decreasingly...
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
... that are in the G1 phase are assumed not to have a bud, cells that are in the S phase are assumed to have a small bud, and cells that are in the G2/M phase are assumed to have a large bud Based ... population of yeast cells The only requirement for the applicability of the method is that FACS measurements are available for a wild-type yeast population as well as for the population whose age ... image analysis method for budding index analysis is needed, because obtaining the budding index data manually through visual analysis has a number of drawbacks One of the drawbacks is that accurate...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Contour Estimation by Array Processing Methods" pptx
... contains a large number of terms A major property of the extension of the Hough transform is that the case of several straight lines for a given angle value can be treated if several local maxima ... estimation can be transposed to a classical array processing technique The rectilinear contours parameters appeared as real parameters of a source localization problem in array processing In particular, ... image 2.2 Estimation of the angles: overview of the SLIDE method The method for angles estimation falls into two parts: the estimation of a covariance matrix and the application of a total least...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Training Methods for Image Noise Level Estimation on Wavelet Components" ppt
... be greater than in plane areas This implies that information about the noise variance can be obtained by examining areas with the smallest values of the local variance To form an estimate based ... across the training set of images and are stored for a range of noise variances This forms a lookup table of values of c(x0 ) against noise variance When a new image is presented, the value of ... based on trying to exploit plane regions in the image Consider a plane area of the image; the standard deviation of the image computed over that area is a direct estimate of the standard deviation...
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 ''''
... average variation of a typical day of March (dry season) and of August (rainy season) in Can-Tho, which is very similar to that of other places in the Mekong Delta Whether in rainy or dry season, ... study have similar data in terms of climate and other agricultural features All have the average monthly temperature of 27- 28 oC, with the average maximum of 29 oC in April and minimum of 25 ... done at the VINACONTROL, an accredited agency in charge of certifying the rice quality for export Each treatment was analyzed by samples, each consisting of 30 grains taken at random; each paddy...
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
... complete and is based on the energy balance of a part of the stem as described by Sakuratani [10], Valancogne and Nasr [12] and van Bavel and van Bavel [3] This method has been tested and validated ... sap and dT the temperature increase of the sap through the heater This apparatus can be made as described Sakuratani [10] or is commercially available by Dynamax Inc., Houston, Texas In our case, ... density was about and was similar to those previously measured in Guadeloupe [9] and French Guyana [5] This density represented about 0.5 mm.dayof transpira-1 tion for a LAI of 0.5 and was comparable...
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
... 5:195-201 20 Asada N, Tsuchiya H, Kitaoka K, Mori Y, Tomita K: Massive autoclaved allografts and autografts for limb salvage surgery A 1-8 year follow-up of 23 patients Acta Orthop Scand 1997, 68:392-5 ... DL, Ayerza MA, Aponte-Tinao LA, Ranalletta M: Partial epiphyseal preservation and intercalary allograft reconstruction in high-grade metaphyseal osteosarcoma of the knee J Bone Joint Surg Am 2004, ... Rehabil 1999, 80:615-8 Page of 22 Kawaguchi N, Matumoto S, Manabe J: New method of evaluating the surgical margin for musculoskeletal sarcoma, analysed on the basis of 457 surgical cases J Cancer...
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
... contrast to the estimation of QTL variance, this leads to an underestimation of recombination fractions for small values Table IV shows that for a QTL variance of 40 the estimators are heavily biased ... that the method is robust against a variety of distributions of the trait examined and that it can also make use of multivariate data (Amos et al, 1989) G6tz and Ollivier (1992) found that in animal ... (1972) method of sib-pair linkage presented here allows for the estimation of QTL variance and recombination fractions if a relatively dense and informative marker map is available Since the...
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
... differential, , BP b as an estimate of realised heritability For one particular sheep selection experiment they state the standard error of b is about the same as that for an estimate BP based on ... As In the appendix, mixed model equations are given and manipulated to show that estimators of genetic merit and year effects for this model are : where h is a prior estimate of family estimate ... when a natural estimator of heritability is available Actual selection experiments, including the one considered by B & P LAIR OLLAK are often more complicated than these designs For instance...
Ngày tải lên: 09/08/2014, 22:22
Báo cáo y học: "Methods of estimation of mitral valve regurgitation for the cardiac surgeo" pot
... regurgitation, intermediates grades may not be reliable Advantages and disadvantages of angiography, Doppler and MRI Another significant component of estimation of valve regurgitation is the calculation ... Riegel B: ACC/AHA 2006: guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines ... decision for valve repair versus replacement The presence of a flail mitral valve leaflet identifies patients who are at a higher risk of sudden cardiac death and may warrant early surgery if the valve...
Ngày tải lên: 10/08/2014, 10:20
Báo cáo khoa học: " Estimation of pulmonary capillary pressure: different methods for different pathophysiological processes" docx
... characteristics of the pulmonary vascular tree Estimation of the exact time of occlusion is a challenge during measurements of PCP in humans Respiratory noise is easily avoided in artificially ventilated patients ... maintaining an end-expiratory pause during pulmonary artery occlusion A short period of apnoea may be possible in cooperative spontaneously breathing patients The variability due to the cardiac ... 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 by...
Ngày tải lên: 12/08/2014, 22:21