j j model a square lattice model with competing nearest neighbour bonds
A generalised lattice boltzmann model of fluid flow and heat transfer with porous media
... nuclear reactors, and crude oil extraction, the characteristics of fluid flow and heat transfer at the interface region of mixed system with a porous medium and an adjacent fluid domain have attracted ... 15 CHAPTER STANDARD LATTICE BOLTZMANN METHOD CHAPTER STANDARD LATTICE BOLTZMANN METHOD 2.1 The Lattice Gas Cellular Automata Before going through the Lattice Boltzmann Method (LBM), an overview ... CFD There are many studies on LGCA, for example Chopard and Droz (1998) and Rothman and Zaleski (1994) In fact, the LGCA 16 CHAPTER STANDARD LATTICE BOLTZMANN METHOD method was already applied...
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Shaking a box of sand I – a simple lattice model
... a is the diagonal length of a grain r The grain flips from vertical to horizontal with probability exp(−m h/ ) ij In this form, although the interactions are nearest, or at most next -nearest neighbour, ... the jamming limit φjam , identified with a dynamical phase transition in a previous chapter [152, 153] 7.4 Results II: on annealed cooling, and the onset of jamming We next investigate the analogue ... density may attain values that are substantially higher than random close packing, and quite close to the crystalline limit [131, 132] An analogous transition has also been observed experimentally...
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A Macroeconomic Model with a Financial Sector ppt
... our assumptions an economy with aggregate expert net worth ςNt and aggregate capital ςKt has the same properties as an economy with aggregate expert net worth Nt and capital Kt , scaled by a factor ... Gale (2000) and Zawadowski (2009) The fact that in reality risk taking by leveraged market participants is not observable to others can lead to risk management strategies that are in aggregate ... externalities are studied in Bhattacharya and Gale (1987) in which externalities arise in the interbank market and in Caballero and Krishnamurthy (2004) which study externalities an international...
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Báo cáo khoa học: Reduction of a biochemical model with preservation of its basic dynamic properties doc
... http://jjj.biochem.sun.ac za/database/dano1/index.html, http://jjj.biochem.sun.ac za/database/dano2/index.html and http://jjj.biochem sun.ac.za/database/dano3/index.html free of charge Results Model ... ADP trioseP + NAD+ fi BPG + NADH BPG + ADP fi ACA + ATP ACA + NADH fi NAD+ ATP fi ADP Glc + ATP fi ADP trioseP + NADH fi NAD+ ACA Ð ACA x ACAx fi GAPDH: lowpart: ADH: ATPase: storage: glycerol: difACA: ... Supplementary material The mathematical models described here have been submitted to the Online Cellular Systems Modelling Database and can be accessed at http://jjj.biochem.sun ac.za/database/hynne/index.html,...
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Báo cáo khoa học: "A Discriminative Language Model with Pseudo-Negative Samples" pptx
... disambiguation models for wide-coverage hpsg parsing In Proc of ACL 2005., pages 8390, Ann Arbor, Michigan, June Brian Roark, Murat Saraclar, and Michael Collins 2007 Discriminative n-gram language modeling ... 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, Andrew ... DLMs are trained using correct sentences from a corpus and negative examples from a Pseudo-Negative generator An advantage of sampling is that as many negative examples can be collected as correct...
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Báo cáo khoa học: "A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation" ppt
... (i.e span) of basedata elements (Figure 2) Normally, however, a markable is also associated with arbitrarily many user-defined attribute-value pairs (Figure 3, Figure 4) Markables can also be ... with a capital letter Markables are the carriers of the actual annotation information They can be queried by means of string matching and by means of attribute-value combinations A markable query ... relations associate arbitrarily many markables with each other in a transitive, undirected way The coref class attribute in Figure is an example of how such a relation can be used to represent a...
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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
... grows, more and more data is becoming available, and data mining approaches may become applicable to the textcategorization problem for FFL readability Support vector machines have already been ... evaluation measures most commonly employed in the literature are Pearson’s productmoment correlation coefficient, prediction accuracy as defined by Tan et al (2005), and adjacent accuracy Adjacent ... good compared to similar research on L1 English by Heilman et al (2008) Using more complex syntactic features, they obtained an adjacent accuracy of 52% with a PO model, and 45% with a MLR model...
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Báo cáo khoa học: "Robust Approach to Abbreviating Terms: A Discriminative Latent Variable Model with Global Information" docx
... International Journal on Document Analysis and Recognition (IJDAR), 1(4):191–198 Yoshimasa Tsuruoka, Sophia Ananiadou, and Jun’ichi Tsujii 2005 A machine learning approach to acronym generation ... forms as the training/evaluation data The evaluation metrics used in the abbreviation generation are exact-match accuracy (hereinafter accuracy), including top-1 accuracy, top-2 accuracy, and top-3 ... Yu, Won Kim, Vasileios Hatzivassiloglou, and John Wilbur 2006 A large scale, corpus-based approach for automatically disambiguating biomedical abbreviations ACM Transactions on Information Systems...
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Báo cáo khoa học: "A Pylonic Decision-Tree Language Model with Optimal Question Selection" potx
... obtain a set of subtrees The reason for keeping a hierarchy instead of a fixed partition of the vocabulary is to be able to dynamically adjust the partition to accommodate for training data fragmentation ... (Bahl et al., 1989) Smoothing as 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 ... Souza, and R L Mercer 1989 A tree-based statistical language model for natural language speech recognition IEEE Transactions on Acoustics, Speech, and Signal Processing, 37:10011008 L Breiman, J...
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Báo cáo khoa học: "A Joint Sequence Translation Model with Integrated Reordering" doc
... Generate Source Only (fj ) j := j + Z := j while i < N j := aik if j < j then if fj was not generated yet then Insert Gap if j = Z then j := j else Jump Forward if j < j then if j < Z and fj was ... Ganitkevitch, Sanjeev Khudanpur, Lane Schwartz, Wren N G Thornton, Jonathan Weese, and Omar F Zaidan 2009 Joshua: An open source toolkit for parsing-based machine translation J. B Mari˜ o, R.E Banchs, J. M ... Pharaoh: A beam search decoder for phrase-based statistical machine translation models In AMTA, pages 115–124 Philipp Koehn 2004b Statistical significance tests for machine translation evaluation...
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Báo cáo hóa học: " Comparison of three rapamycin dosing schedules in A/J Tsc2+/- mice and improved survival with angiogenesis inhibitor or asparaginase treatment in mice with subcutaneous tuberous sclerosis related tumors" docx
... statistical significance All calculations were completed from raw data by two researchers (AN and CW) A standard unpaired t test was used to test all quantitative data, and the Mantel-Cox logrank ... TSC2 and activation of mammalian target of rapamycin signalling pathway in renal angiomyolipoma Lancet 2003, 361(9366):1348-9 23 Chan JA, Zhang H, Roberts PS, Jozwiak S, Wieslawa G, Lewin-Kowalik ... presence or absence of amino acids is an important regulator of mTOR signaling [35] L-Asparaginase is an enzyme that catalyzes the hydrolysis of L-asparagine to L-aspartic acid and is used as part of...
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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
... used a subdivision of × and a maximal SUV of 20 for the calculation of fractal dimension [30] Statistical analysis Statistical evaluation was performed with Stata/SE 10.1 (StataCorp, College Station, ... k4 with externalisation Besides the compartmental analysis, a non-compartmental model based on the fractal dimension was used The fractal dimension is a parameter of heterogeneity and was calculated ... tomography (PET) and gene array data: a new approach for the correlative analysis of molecular biological and clinical data IEEE Trans Med Imaging 2007; 26:804–812 30 Dimitrakopoulou-Strauss A, ...
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báo cáo hóa học:" Establishment of an animal model of a pasteurized bone graft, with a preliminary analysis of muscle coverage or FGF-2 administration to the graft" potx
... the bone formation was also quantitatively measured in the lateral view using Alpha Ease FC software (Alpha Innotech, San Leandro, CA, USA) The area was calculated in relation with that in the (MC-; ... results was made and agreed upon by AS, TY and NT Tartrate-resistant acid phosphatase (TRAP) staining After radiographical examination, the femurs with the graft were decalcified with EDTA (ethylenediaminetetraacetic ... (ethylenediaminetetraacetic acid), and cut sagittally, then stained with hematoxylin and eosin and tartrate-resistant acid phosphatase (TRAP) staining in order to demonstrate the osteoclasts Deparaffinized...
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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
... conception and formulation of the study design and and to critical analysis of results JOD assisted with animal care and progesterone assays HJL served as an additional participant during the assessment ... of AMP activated kinase (AMPK) [23] AMPK serves as a sensor of energy status at the cellular level and is activated by an elevated AMP/ATP ratio Activation of AMPK may induce catabolic processes ... in the animal facility at the Massachusetts General Hospital in accordance with the National Institutes of Health standards for the care and use of experimental animals Rooms provided a controlled...
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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
... the National Health Laboratory Service (authors’ data) All costs are shown in US dollars after applying the 2008 average exchange rate of 8.28 South African rands to one US dollar [5] An annual ... South Africa 4Department of Molecular Medicine and Haematology, University of the Witwatersrand, Johannesburg, South Africa 5National Health Laboratory Services, Johannesburg, South Africa 6Department ... Ekstrom AM, Ledwaba J, Mohapi L, Laher F, Karstaedt A, Charalambous S, Petzold M, Katzenstein D, Morris L: Viremia and drug resistance among HIV-1 patients on antiretroviral treatment: a crosssectional...
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báo cáo hóa học: " A packet-layer video quality assessment model with spatiotemporal complexity estimation" doc
... approaches can be followed in packetlayer modeling One is the parameter-based modeling approach [6-9] and another is the loss-distortion chainbased modeling approach [5] The parameter-based approach ... Equation was evaluated As we know, Table Quantitative analysis of the contribution from EC effectiveness estimation and EP model Feature RMSE* Pearson correlation Dataset-1 Dataset-2 Dataset-1 Dataset-2 ... extreme case that the objects in a P-frame are almost stationary, the size of the P-frame can be as small as that of a B-frame; in another extreme case where the objects in a P- or Bframe is rich...
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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
... u∗ trace J2 a1 1 − 2.14 Clearly, det J2 > If a1 1 < 1, then trace J2 < Hence, all eigenvalues of J2 have negative real parts and u∗ , v∗ is locally asymptotically stable If a1 1 > 1, then traceJ2 ... environment,” Journal of Mathematical Analysis and Applications, vol 327, no 1, pp 539– 549, 2007 10 R Peng and M Wang, “Qualitative analysis on a diffusive prey-predator model with ratio-dependent ... Pang, and M Wang, “Qualitative analysis of a prey-predator model with stage structure for the predator,” SIAM Journal on Applied Mathematics, vol 69, no 2, pp 596–620, 2008 24 P Y H Pang and M Wang,...
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Báo cáo sinh học: " Research Article A Double S-Shaped Bifurcation Curve for a Reaction-Diffusion Model with Nonlinear Boundary Conditions" doc
... Yeh, “Exact multiplicity of solutions and S-shaped bifurcation curves for the p-Laplacian perturbed Gelfand problem in one space variable,” Journal of Mathematical Analysis and Applications, ... S V Parter, “Solutions of a differential equation arising in chemical reactor processes,” SIAM Journal on Applied Mathematics, vol 26, pp 687–716, 1974 12 D H Sattinger, A nonlinear parabolic ... 2008 16 K J Brown, M M A Ibrahim, and R Shivaji, “S-shaped bifurcation curves,” Nonlinear Analysis: Theory, Methods & Applications, vol 5, no 5, pp 475–486, 1981 17 R Shivaji, A remark on the...
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báo cáo hóa học:" Dynamical analysis of a biological resource management model with impulsive releasing and harvesting" pdf
... Dynamical analysis of a biological resource management model with impulsive releasing and harvesting Jianjun Jiao∗1 , Lansun Chen2 and Shaohong Cai1 School of Mathematics and Statistics, ... Beijing, P R China ∗ Corresponding author: jiaojianjun05@126.com Email address: LC: lschen@amss.ac.cn SC: caishaohong@yahoo.com.cn Abstract In this study, we consider a biological resource management ... X, Jiao, J, Chen, L: Global dynamics behaviors for a nonautonomous Lotka– Volterra almost periodic dispersal system with delays Nonlinear Anal Theory Methods Appl 68, 3633–3645 (2008) [8] Jiao,...
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