... conformation of BL caused by this binding of proton result in decreases in the number of BL The conformation change of BL may decrease the internalization flux of - 343 - Journal of Water and ... effects of pH on zinc toxicity could not be described by the BLM and that pH affects the physiology of the BL Francois et al (2007) investigated the effects of pH on short-term uptake of manganese ... of copper for toxicity model was lower than that for accumulation model, and the difference seemed to be because of the detoxification processes of copper in the moss The stability constant of...
Ngày tải lên: 05/09/2013, 10:15
Ngày tải lên: 19/02/2014, 03:20
Tài liệu A Comparison of High-Level Full-System Power Models ppt
... power consumption of the disk, we also evaluated models that used the number of I/O requests and the number of disk transfers as parameters in order to have some idea of the balance of random vs sequential ... allows an entire family of models to easily be developed, and their trade-offs evaluated, for a wide range of computer systems 7 Conclusions and Future Work The results of this study suggest some ... different types of models in this work, which vary in the inputs used and the complexity of the model equations The first model simply predicts a constant power C0 , regardless of resource utilization;...
Ngày tải lên: 19/02/2014, 18:20
Forecasting UK GDP growth, inflation and interest rates under structural change: a comparison of models with time-varying parameters potx
... forecast performance of a much wider range of models with time-varying parameters In particular, we compare the forecasting performance of (a range of) regime-switching models, TVP-VARs, TVP-FAVARs, ... prediction of these three STAR models of a GDP growth rate of -7% was fairly close to the actual value, with the forecasts from these models overshooting in the next quarter By 2009 Q3, a number of other ... mean of the non-zeros ˜ ˆ ˆ elements of A, M denotes the posterior mean of the variance-covariance of τt , G Working Paper No 450 May 2012 39 ˆ ˜ denotes the posterior mean of the variance of νt...
Ngày tải lên: 06/03/2014, 14:20
A Comparison of Event Models for Naive Bayes Text Classication potx
... probability of each word occurring in a document is independent of the occurrence of other words in a document Then, the probability of a document given its class from Equation is simply the product of ... distribution of words with as many independent trials as the length of di This yields the familiar “bag of words” representation for documents Define Nit to be the count of the number of times word ... number of documents with class label c divided by the total number of documents; P(ft ) is the number of documents containing one or more occurrences of word wt divided by the total number of documents;...
Ngày tải lên: 16/03/2014, 19:20
Báo cáo khoa học: Comparison of the inward- and outward-open homology models and ligand binding of human P-glycoprotein potx
... identified as outliers in the Ramachandran Comparison of open and closed models of human P-gp Fig X-Ray structure of mouse P-gp (PDB ID code 3G61): distribution of the amino acid outliers (95 residues) ... compilation ª 2009 FEBS 7019 Comparison of open and closed models of human P-gp I K Pajeva et al A A B B Fig Binding cavity in the inward-facing conformation of the homology model of human P-gp: (A) general ... compilation ª 2009 FEBS I K Pajeva et al Comparison of open and closed models of human P-gp A C B D Fig The interaction panel of the ligand QZ59-SSS in the X-ray structure of mouse P-gp (PDB ID code 3G61):...
Ngày tải lên: 29/03/2014, 22:21
Báo cáo khoa học: "Comparison of Alignment Templates and Maximum Entropy Models for Natural Language Understanding" docx
... understanding models of natural language In Proceedings of the Association of Computational Linguistics, pages 25-32, June F J Och, C Tillmann, and H Ney 1999 Improved alignment models for statistical ... parameters is assumed Instead of maximizing the probability of the training data, we now maximize the probability of the training data times the prior probability of the model parameters: —1 pi+2 ... the number of falsely translated sentences and the total number of sentences w.r.t the concept-level The concept-alignment error rate (C-AER), which is defined as the ratio of the sum of falsely...
Ngày tải lên: 31/03/2014, 20:20
Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx
... parameters of c3 with distribution P(d i lc3 ; 0) The likelihood of a document is given by the total probability P (d i 0) = E p(ei 0)P(di ; 0) (1) j=1 Of course, the true parameters of the mixture ... occurrences in ej, and the total number of occurrences of w t , respectively Let d(c) = P(ci ld i ) denote the number of documents in ej Then the average number of times w t occurs in a document in ... Learning (ECML98), volume 1398 of Lecture Notes in Computer Science, pages 4-15, Heidelberg Springer Andrew McCallum and Kamal Nigam 1998 A comparison of event models for Naive Bayes text classification...
Ngày tải lên: 31/03/2014, 20:20
Báo cáo hóa học: " Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography" potx
... summation of PCSA of all flexor muscles, ΣPCSA extensors is the summation of PCSA of all extensor muscles, PCSAflexor is the PCSA of the flexor muscle used for training, PCSAextensor is the PCSA of ... http://www.jneuroengrehab.com/content/8/1/56 Page of 12 Half of the summation of PCSA values for non-primary flexors was added to each of the two primary flexors while a third of the summation of PCSA values for nonprimary ... combination of muscles for the case of models trained with two channels It is evident that models trained with five channels are superior to models trained with two However models trained with eight channels...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo hóa học: " Research Article Comparison of Linear Prediction Models for Audio Signals" pdf
... all of these models are capable of solving the frequency distribution issue described above More specifically, we will also consider high-order all-pole models [22], constrained pole-zero models ... finite number of dominant frequency components In this way, the majority of audio signals is covered, except for the class of percussive sounds The performance of the different LP models described ... 2008 [21] M Pagano, “Estimation of models of autoregressive signal plus white noise,” The Annals of Statistics, vol 2, no 1, pp 97–108, 1974 [22] S M Kay, “The effects of noise on the autoregressive...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo lâm nghiệp: "Reconstructing crown shape from stem diameter and tree position to supply light models. I. Algorithms and comparison of light simulations" doc
... estimates of the total height, crown length and crown equivalent radius models, respectively N is the number of observations and R2 is the coefficient of determination: R2 = – (residual sum of squares)/(corrected ... diameter of the clump, for prediction of total height and crown length – The equivalent stem diameter, calculated as the diameter of a stem whose basal area was the sum of the basal areas of all ... distribution (with a coefficient b of 1.23), a ray resolution of degree and a cellgrid width of 0.2 m were used The cosine correction option was used because of comparisons with plane sensors RESULTS...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "A comparison of fitting techniques for ponderosa pine height-age models in British Columbia" potx
... models Furthermore, the plots of the residuals against predicted height, age, and site index showed the least evidence of heteroscedasticity and correlation in the residuals out of all four models ... index model A progression of increasingly complicated fitting techniques is presented to evaluate their impact on the resulting models Researchers often test several models and choose the best ... established throughout the range of ponderosa pine in BC during the summers of 2000 and 2001 Sampling was directed to obtain plots that approximate the proportion of the abundance of the species in each...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo khoa học: "A comparison of dose-response characteristics of four NTCP models using outcomes of radiationinduced optic neuropathy and retinopathy" potx
... This makes the choice of the model critical Presently the choice of NTCP models is driven by personal preferences, availability of software and historical reasons A practice of selecting a model ... projections is, however, one of the purposes of the biological models These projections are used for a variety of purposes such as changing doses per fraction or dose escalation Use of model predictions ... model-specific cut-off lines used in derivation of confidence intervals Similar values of maximum likelihood indicate that different models fit the data equally well However, not only profiles reach...
Ngày tải lên: 09/08/2014, 09:20
Báo cáo y học: "Acute pressure overload of the right ventricle. Comparison of two models of right-left shunt. Pulmonary artery to left atrium and right atrium to left atrium: experimental study" doc
... pressure overload of the right ventricle Comparison of two models of right-left shunt Pulmonary artery to left atrium and right atrium to left atrium: experimental study Journal of Cardiothoracic ... difference of mean blood pressure variable at 20 interval (p = 0,054) with the mean blood pressure of PA - LA shunt at the level of 49.87 ± 10.08 mmHg and of RA - LA shunt at the level of 58.60 ... 10 minute of the pCO2 of the left atrium variable (p = 0.016) and the percentage change from baseline to 20 minute of the pCO2 of the left atrium variable (p = 0.023) Least, the pO2 of the left...
Ngày tải lên: 10/08/2014, 09:22
Báo cáo y học: " Low NO bioavailability in CCl4 cirrhotic rat livers might result from low NO synthesis combined with decreased superoxide dismutase activity allowing superoxide-mediated NO breakdown: A comparison of two portal hypertensive rat models wit
... blots of iNOS and nNOS but not in those of eNOS, some atypical bands of smaller proteins were observed (data not shown) Hepatic mRNA levels of caveolin-1 and endothelin-1 A large variation of caveolin-1 ... was diluted to half the concentration of the previous one The PCR mixture contained µl of cDNA solution, 6.25 pmol of each primer, 0.2 µM of each dNTP, U of Taq DNA polymerase adjusted by PCR ... made comparisons of the groups (normal, PPVL, CCl4 cirrhosis) by one-way-analysis of variance in case of normally distributed data with equal variances If other cases, we used analysis of variance-on-ranks,...
Ngày tải lên: 13/08/2014, 13:20
Báo cáo y học: " The SeqFEATURE library of 3D functional site models: comparison to existing methods and applications to protein function annotation" pot
... SeqFEATURE models ranked by AUC The sensitivity of these models is, in general, very high, especially at the default 99% specificity Z-score cutoffs Even at 100% specificity over half of the models ... Distribution of AUC and sensitivity for all SeqFEATURE models listed in Table Distribution of AUC and sensitivity for all SeqFEATURE models listed in Table (a) Distribution of model AUC Most models ... advantage of curated databases, such as the manually inspected profile-Hidden Markov Models (HMMs) contained in the Pfam database of protein families [7], and PROSITE, which consists of manually...
Ngày tải lên: 14/08/2014, 08:20
Báo cáo sinh học: " Carcass conformation and fat cover scores in beef cattle: A comparison of threshold linear models vs grouped data models" docx
... model for the analysis of discrete traits, such as calving ease of beef calves, in comparison to homoscedastic and heteroscedastic threshold linear models Given the diversity of models to analyse ... validate models by direct assessment of the ability of the model to fit the actual data The aim of this work was to perform a parametric bootstrap procedure to test the goodness -of- fit of three ... bootstrap approach was applied to test the goodness -of- fit of the described models in the analysis of CON and FAT scores The bootstrapping methodology Page of 10 was the same as in Tarres et al [9] Confidence...
Ngày tải lên: 14/08/2014, 13:21
Báo cáo sinh học: "A comparison of alternative methods to compute conditional genotype probabilities for genetic evaluation with finite locus models" ppsx
... the current genotypes of the parents of i; gti = [gti1 gti2 gtij−1 gij gt−1 gt−1 ]; iN ij+1 (13) Oi is the set of offspring of i; gtkj is the current genotype of offspring k at locus j; ... where Ni is the set of non terminal offspring of i; gtok j is the current genotype of the other parent of k at locus j; gtol j is the current genotype of the other parent of l at locus j; (15) ... function For the purpose of this paper, we used the approach of Fernandez et al [11], but for models with different numbers of independent loci For these models, the calculation of transition probabilities...
Ngày tải lên: 14/08/2014, 13:22
Forecasting creditworthiness in retail banking a comparison of cascade correlation neural networks, CART and logistic regression scoring models
... and most of all on their fear of being cast out of the Tontine Cameroonian banks are reluctant to take risks so most people rely on Tontines to overcome loss of income and, in the case of small ... lending for an estimated 90% of total consumer credit Such a profile is arguably attributable, firstly to the absence of small lines of credit otherwise conveniently offered by credit cards and ... capability of the classification models is also investigated 4.2.1 Analysis of the scoring models 4.2.1.1 Logistic regression It can be observed from Table that for the LR the correct classification of...
Ngày tải lên: 26/09/2015, 12:03
Báo cáo y học: "A three-country comparison of psychotropic medication prevalence in youth"
... (110/1908) of US medicated youth, 1.9% (18/937) of medicated Dutch youth and 4.6% (62/1358) of medicated German youth Discussion The major finding of this cross-national prevalence study of psychotropic ... use of common surgical procedures: an international comparison of New England, England, and Norway N Engl J Med 1982, 307:1310-1314 Sheehan KH: Caesarean section for dystocia: a comparison of ... Netherlands as detailed below Broad cross-national trends In a review of 10 Medline reports of published studies of prevalence of psychotropic medications prescribed for youth in Western European...
Ngày tải lên: 25/10/2012, 10:06