kinetic model with delayed neutrons
Tài liệu Báo cáo khoa học: A kinetic model of the branch-point between the methionine and threonine biosynthesis pathways in Arabidopsis thaliana doc
Ngày tải lên :
20/02/2014, 02:21
... branch-point kinetics (see Materials and methods) Finally, prior to its use for the examination of branch-point kinetics, the model was validated in vitro Validation of the computer model The model ... predictions with the experimental results lead us to improve the model with a simplication of the TS mechanistic equation The improved version of the numerical model was in a very good agreement with ... mathematical model of the branch-point could be instrumental in nding answers to these questions Such a model could be built without any assumptions as detailed enzyme rate equations and kinetic parameters...
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Tài liệu Báo cáo khoa học: "Extending the Entity-based Coherence Model with Multiple Ranks" pot
Ngày tải lên :
22/02/2014, 02:20
... achieve performance competitive with, or even superior to, that of B&L’s model without knowing the true coherence score given by human judges Evaluating our multiple-rank model in this task is crucial, ... resulting noise is reduced, and our model outperforms theirs And for dataset Accidents, our model consistently outperforms the baseline model by a large margin (with significance test at p < 01) ... clearly for both models, performance on full test is inferior to that on same-cluster test, but our model is still able to achieve performance competitive with the standard model, even if our...
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A Macroeconomic Model with a Financial Sector ppt
Ngày tải lên :
06/03/2014, 19:20
... start with the first-best efficient benchmark outcome that would emerge in an economy without frictions In absence of any frictions the social planner’s solution coincides with the market outcome With ... dt + σKt dZt Reduced Form with One State Variable Next, we consider three special cases in which the general two-state-variable model reduces to our baseline model with one state variable The ... equity with value nt , which is held by the expert and outside equity, with value (1 − ϕt )nt /ϕt , held by less productive households At any moment of time t, an expert holds capital with value...
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Báo cáo khoa học: Reduction of a biochemical model with preservation of its basic dynamic properties doc
Ngày tải lên :
07/03/2014, 11:20
... parameters 4864 20D model lumping & fitting 20L8D model elimination of variables elimination of variables 20E6D model 20LE3D model Fig Overview of the model reductions The 20D model is the model described ... Table lists the 5D and 6D models with complex eigenvalues None of the models with a lower dimension has complex eigenvalues The only model with complex eigenvalues with positive real parts, and ... Starting with the 20D model [30] (Fig 2), we use LASCO to arrive at the 20L8D model, and ENVA to arrive at the 20E6D model The 20L8D model was further reduced by ENVA, resulting in the 20LE3D model...
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Báo cáo khoa học: "A Discriminative Language Model with Pseudo-Negative Samples" pptx
Ngày tải lên :
08/03/2014, 02:21
... Pseudo-Negative samples We propose a novel discriminative language model; a Discriminative Language Model with PseudoNegative samples (DLM-PN) In this model, pseudo-negative examples, which are all assumed ... achieves high performance with very few features We then examined the effect of PKI Table shows the results of the classier with rd order polynomial kernel both with and without PKI In this experiment, ... sentences Another interesting idea is to work with probabilistic language models directly without sampling and nd ways to construct a more accurate discriminative model Michael I Jordan David M Blei,...
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Báo cáo khoa học: "A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation" ppt
Ngày tải lên :
08/03/2014, 04:22
... toolkit (Carletta et al., 2003) defines a data model that is close to our model, although it allows to express hierarchical relations explicitly The model supports a labelled pointer relation which ... Operators The whole point of querying corpora with multilevel annotation is to relate markables from different levels to each other The reference system with respect to which the relation between ... closed set of possible values The data model also supports associative relations between markables: Markable set relations associate arbitrarily many markables with each other in a transitive, undirected...
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Báo cáo khoa học: "Chinese Verb Sense Discrimination Using an EM Clustering Model with Rich Linguistic Features" pot
Ngày tải lên :
08/03/2014, 04:22
... uses them as new features Table shows the model s performance on the three verbs with or without using lexical sets As we see, lexical sets improves the model s performance on all of them, especially ... instance, the model calculates the same conditional probability as in equation (3) and assigns the instance to the cluster with the maximal p(c | f1 , f , , f m ) Features Used in the Model The ... unsupervised learning models (i.e., models trained on unlabeled data) are more likely to be affected by noisy data than supervised ones Since all the features used in our model are extracted from...
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Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL" potx
Ngày tải lên :
08/03/2014, 21:20
... complex syntactic features, they obtained an adjacent accuracy of 52% with a PO model, and 45% with a MLR model However, they worked with 12 levels, which may explain their lower percentage For French, ... Information Criterion) of the model This can be obtained from: The language model: probabilities and smoothing For our language model, we need a list of French lemmas with their frequencies of occurrence ... that were within one level of the human-assigned All statistical computations were performed with the MASS package (Venables and Ripley, 2002) of the R software 24 Measure PO model MLR model Results...
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Báo cáo khoa học: "Robust Approach to Abbreviating Terms: A Discriminative Latent Variable Model with Global Information" docx
Ngày tải lên :
17/03/2014, 01:20
... parameters trained without the GI encoding (i.e., the DPLVM) The results in Table demonstrate that the DPVLM+GIB model significantly outperformed the other models because the DPLVM+GI model improved ... the proposed models to the task of abbreviation recognition, in which a model extracts the abbreviation definitions in a given text To the extent of our knowledge, this is the first model that can ... models (DPLVMs) (Morency et al., 2007; Petrov and Klein, 2008) for abbreviating terms The DPLVM is a natural extension of the CRF model (see Figure 2), which is a special case of the DPLVM, with...
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Báo cáo khoa học: "A Pylonic Decision-Tree Language Model with Optimal Question Selection" potx
Ngày tải lên :
17/03/2014, 07:20
... test data with respect to the tree A comparison with the perplexity of a standard back-off trigram model will indicate which model performs better Although decision-tree letter language models are ... well as interpolation with a standard trigram model eliminates the zero probabilities 2.2 T h e Hierarchical Classification of Words The goal is to build a binary tree with the words of the vocabulary ... can be initialized with classes based on parts of speech or meaning, thus taking account of prior expert information The approach is to construct the tree backwards Starting with single-word classes,...
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Báo cáo khoa học: A kinetic model for the burst phase of processive cellulases pptx
Ngày tải lên :
28/03/2014, 23:20
... rate of hydrolysis was modeled as protein inactivation To this end, we essentially implemented the conclusions of a recent experimental study by Ma et al [24] in the model As with earlier reports ... ECn before the rst hydrolytic step With these modications, we may write the reaction: E + Cn k1 k1 ICn ECn + C k4 ECn k2 k3 Modications of the model In analogy with the simple case in Eqn (1), ... temperature was 25 C Figure 3B shows model results for the same values of E0 and S0 Here, we used the model in Eqn (3) [Eqns (4) and (5)] and manually adjusted the kinetic constants and n by trial...
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Báo cáo khoa học: "A Joint Sequence Translation Model with Integrated Reordering" doc
Ngày tải lên :
30/03/2014, 21:20
... translation model is implemented as an N-gram model of operations using SRILM-Toolkit (Stolcke, 2002) with Kneser-Ney smoothing We use a 9-gram model (m = 8) Integrating the language model the ... n-gram models: J px (E) ≈ p(wj |wj−m+1 , , wj−1 ) j=1 where m = (5-gram model) for the standard monolingual model (x = LM ) and m = (same as the operation model5 ) for the prior probability model ... is 1049 where pLM (E) is the monolingual language model and p(F, E) is the translation model But our translation model is a joint probability model, because of which E is generated twice in the...
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The su (3)c SU (3)l u (1)x model with two higgs triplets
Ngày tải lên :
03/04/2014, 12:22
... and SU(3)C ⊗ SU(3)L ⊗ U(1)X models with β arbitrary”, Eur Phys J C42, 325 (2005) Dong, P.V and Long, H.N., “Electric charge quantization in SU(3)C ⊗ SU(3)L ⊗ U(1)X models”, Int J Mod Phys A21, ... “SU(3)C ⊗ SU(3)L ⊗ U(1)X model with two Higgs triplets”, Phys Rev D73, 035004 (2006) Dong, P.V., Long, H.N and Soa, D.V., “Higgs-gauge boson interactions in the economical 3-3-1 model , Phys Rev D73, ... SU(3)C ⊗ SU(3)L ⊗ U(1)X model with righthanded neutrinos”, Eur Phys J C48, 229 (2006) Dong, P.V., Long, H.N and Nhung, D.T., “Atomic parity violation in the economical 3-3-1 model , Phys Lett B639,...
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Báo cáo sinh học: "Comparison between 68Ga-bombesin (68Ga-BZH3) and the cRGD tetramer 68Ga-RGD4 studies in an experimental nude rat model with a neuroendocrine pancreatic tumor cell line" ppt
Ngày tải lên :
18/06/2014, 18:20
... receptor binding, k2 with displacement from the receptor, k3 with cellular internalisation, and k4 with externalisation Besides the compartmental analysis, a non-compartmental model based on the ... tracer kinetics Furthermore, the use of a two-compartment model is the superior approach for the assessment of tracer kinetics, and is accepted for research purposes [27] Concerning the 68Ga-BZH3 kinetics, ... gliomas as compared with 68Ga-DOTATOC in meningiomas, but higher internalization, were proved [47] In the present study, the comparison of the 68Ga-BZH3 kinetics with the 68Ga-RGD4 kinetics in the...
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báo cáo hóa học:" Metformin therapy in a hyperandrogenic anovulatory mutant murine model with polycystic ovarian syndrome characteristics improves oocyte maturity during superovulation" pot
Ngày tải lên :
20/06/2014, 07:20
... experiments, germinal vesicle (GV) oocytes were manually denuded with a glass pipette, pooled, and divided into DMEM with 10% FBS with or without insulin and/or varying concentrations of metformin ... and ovulation in mouse models which demonstrate metabolic and reproductive characteristics of women with PCOS We utilized two different leptin mutant mouse strains Both models, B6.Cg-m+/+ Lepob/J ... animal models Previous data in the bovine model have demonstrated that metformin results in inhibition of maturation of denuded (DO) and non denuded oocytes A similar effect was seen with a specific...
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báo cáo hóa học:" The net cost of incorporating resistance testing into HIV/AIDS treatment in South Africa: a Markov model with primary data" pot
Ngày tải lên :
20/06/2014, 08:20
... was to model the net cost of such a strategy, using data from a large public sector treatment facility in Johannesburg Methods Model We developed a state-transition decision (Markov) model to ... 2004 to 2010 [4] These guidelines were used because all model parameters are based on patient data accrued prior to 2010 The decision model, which was programmed in TreeAge Pro 2009 (TreeAge ... MA), is illustrated in Figure A hypothetical cohort of patients move through the model in six-month cycles, beginning with first-line ART initiation and continuing for a total of five years of follow...
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báo cáo hóa học: " A packet-layer video quality assessment model with spatiotemporal complexity estimation" doc
Ngày tải lên :
21/06/2014, 00:20
... Packet-layer VQA model Page of 13 Decoded video signal - various error concealment artifacts - Media-layer model Bitstream-level VQA model Hybrid VQA model Figure Scope of the four types of VQA models ... system planning modeling, but are not effective for quality monitoring model It can be seen in Figure that our model proposed a better metric, MLoVA, which is more consistent with subjective ... packet-layer model is computationally lightweight, it can be deployed in large scale along the media service chain The video quality model of ITU-T standard P.NAMS (Non-intrusive parametric model for...
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Báo cáo hóa học: " Research Article Non-Constant Positive Steady States for a Predator-Prey Cross-Diffusion Model with Beddington-DeAngelis Functional Response" pot
Ngày tải lên :
21/06/2014, 05:20
... interaction model with self and cross-diffusion,” Ecological Modelling, vol 141, no 1–3, pp 67–76, 2001 20 K Kuto and Y Yamada, “Multiple coexistence states for a prey-predator system with cross-diffusion,” ... and M Wang, “Qualitative analysis of predator-prey models with Beddington-DeAngelis functional response and diffusion,” Mathematical and Computer Modelling, vol 42, no 1-2, pp 31–44, 2005 19 B Dubey, ... advection,” Mathematical Modelling of Natural Phenomena, vol 3, no 3, pp 42–86, 2008 23 Y Du, P Y H Pang, and M Wang, “Qualitative analysis of a prey-predator model with stage structure for the...
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Báo cáo hóa học: " Research Article Hidden Markov Model with Duration Side Information for Novel HMMD Derivation, with Application to Eukaryotic Gene Finding" docx
Ngày tải lên :
21/06/2014, 08:20
... transition usually starts with an ATG, the exon to junk transition, ends with one of the stop codons {TAA, TAG, TGA} Nearly all eukaryotic introns start with GT and end with with AG (the AG-GT rule) ... with pde and zde contributions As show in Figures and 5, the performance of the result has about 3% to 4% drop (conversely, the performance improvement with HMMD modeling, with the duration modeling ... Markov models work best, with the fifth order Markov model having a notably smaller spread in values consistent with [27] and validating the rapid tuning performed in Figures 2–5 (that proceeded with...
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