simulation models for host parasite population dynamics

... that these parasites might be extremely dependent on their host for obtaining most of their metabolites and energy For example, it has been indeed recently demonstrated that this parasite and ... ingestion of spores by the filter feeding host The parasite reduces host survival and fecundity Its geographic distribution is limited to rock pool D magna populations along the baltic Sea in Finland ... an excellent and well-recognized model to study host- parasite interactions [41] The complementary nature of both genomic datasets will therefore form a great study system and provide a unique...

Ngày tải lên: 09/08/2014, 20:20

... D=2.5 and to 120 sec for those with D=2.0 Under the same coagulation conditions with the curvilinear model applied, 9200 sec were needed for D=3.0, 2050 sec for D=2.5 and 600 sec for D=2.0 The prediction ... and eDS are the correction factors for the collision mechanisms indicated The numerical solutions for approximating the correction factors in the graphical form can be found from the work of ... method There are not analytical solutions available for the curvilinear models Han and Lawler (1992) have recently proposed a comprehensive approach for calculating the curvilinear collision frequency...

Ngày tải lên: 05/09/2013, 08:40

... recruitment recruitment Population dynamics Population growth rates Population growth rates Population dynamics Population dynamics foraging trips Influence of weather conditions on foraging activity ... or environment for simulations in a population model Therefore, the most practical way would be to run simulations for a few selected ‘scenarios’, which function as surrogates for the entire ... breeding season Population growth rates Population dynamics Table Parameters which might be taken into account for population model validation for pesticide risk assessments Relevant aspects for Aquatic...

Ngày tải lên: 20/06/2014, 20:20

... recruitment recruitment Population dynamics Population growth rates Population growth rates Population dynamics Population dynamics foraging trips Influence of weather conditions on foraging activity ... or environment for simulations in a population model Therefore, the most practical way would be to run simulations for a few selected ‘scenarios’, which function as surrogates for the entire ... breeding season Population growth rates Population dynamics Table Parameters which might be taken into account for population model validation for pesticide risk assessments Relevant aspects for Aquatic...

Ngày tải lên: 20/06/2014, 20:20

... recruitment recruitment Population dynamics Population growth rates Population growth rates Population dynamics Population dynamics foraging trips Influence of weather conditions on foraging activity ... or environment for simulations in a population model Therefore, the most practical way would be to run simulations for a few selected ‘scenarios’, which function as surrogates for the entire ... breeding season Population growth rates Population dynamics Table Parameters which might be taken into account for population model validation for pesticide risk assessments Relevant aspects for Aquatic...

Ngày tải lên: 21/06/2014, 17:20

... cellular population as a function of the drug interaction in that population component In subsequent sections we discuss the simulation of the evolution of both the normal and tumor cells for various ... to offer evidence for both the inhibition and stimulation of normal cells by these same conjoint neoplastic cells Evidence for stimulation may be found in [50-54] Evidence for inhibitory effects ... critical size of the tumor cells, the carrying capacity for the tumor cells, the carrying capacity for the normal cells, the per capita growth rate for the tumor and normal cells, and fT(N), fN(T) are...

Ngày tải lên: 13/08/2014, 16:20

... on population dynamics of Botrytis cinerea 61 LIST OF FIGURES Figure 3-13 Effect of thiophanate-methyl application and incubating temperatures of 21°C or 6°C on population dynamics ... performed Inoculum was grown on water agar for five days Subsequently, fivemillimeter plugs were transferred to the center of PDA or CZA10% plates and incubated for three days at 21°C or for ... fungicide application on population dynamics of benzimidazole-resistant conidia of Botrytis cinerea 117 INTRODUCTION INTRODUCTION Botrytis cinerea Pers.: Fr is the anamorph form of the ascomycete...

Ngày tải lên: 19/11/2015, 15:46

... Model for suspended particulate matter transport and bottom bathymetry evolution The model for SPM and bottom bathymetry evolution includes sub -models: 3D SPM Model for water column and 2D model for ... need to build a system of models for each environment which is related to each other through the boundary conditions In this case, we can introduce the system of models for oil slick, oil-in-water ... wind Conclusion The preliminary results for the combined system of 2D, 3D hydrodynamicenvironmental models for SPM and bottom layer change show the ability to forecast the fate and transport of contaminants...

Ngày tải lên: 13/02/2014, 12:20

... this committee for your extraordinary commitment to the project and for the wonderful opportunity to work with you on this important task for the medical and nutrition community and for the Medicare ... it will prevent self-referral for conditions for which evidence of efficacy is not available For these reasons it is recommended to Congress that reimbursement for nutrition therapy be based ... self-management skills for some conditions The self-management effort has moved to center stage with the development of formal self-management programs in several settings, particularly for diabetes With...

Ngày tải lên: 15/02/2014, 16:20

... 605 Thermodynamics for biotechnology 19.1 Introduction 19.2 Models for Pharmaceuticals 19.2.1 General 19.2.2 The NRTL–SAC model 19.2.3 The NRHB model for pharmaceuticals 19.3 Models for amino ... Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material ... when these models are used for design purposes, typically within a commercial simulation package Applications in the oil and gas and chemical sectors are emphasized but models suitable for polymers...

Ngày tải lên: 18/02/2014, 15:20

... unseen for a given domain s, we are already performing an implicit form of smoothing (when computing the expected counts), since each document has a distribution over all topics, and therefore ... subdomains consistent within a document Results Results for both settings are shown in Table GTM models the latent topics at the document level, while LTM models each sentence as a separate document To ... opposite is true, with the LTM models achieving better performance.6 On the NIST corpus, LTM-10 again achieves the best gain of approximately BLEU and up to TER LTM performs on par with or better...

Ngày tải lên: 19/02/2014, 19:20

... possible category for input “meets the” A sample phrase structure tree is shown before and after the right-corner transform in Figures and Our parser operates over a right-corner transformed probabilistic ... sive phrase structure trees using the tree transforms in Schuler et al (2010) Constituent nonterminals in right-corner transformed trees take the form of incomplete constituents cη /cηι consisting ... use supertag n-gram LMs Syntactic language models have also been explored with tree-based translation models Charniak et al (2003) use syntactic language models to rescore the output of a tree-based...

Ngày tải lên: 20/02/2014, 04:20

... effect form a bottleneck between the document sentiment and the input sentences McDonald, 2008; Lin and He, 2009), structured conditional models can handle rich and overlapping features and allow for ... structure models and task specific structured conditional models While we model document structure in terms of sentiment transitions, we not model topical structure An interesting avenue for future ... less informative compared to a fine-grained signal Thus, in order to get the best of both worlds, we would like to combine the merits of both of these models 2.1 A cascaded model A straightforward...

Ngày tải lên: 20/02/2014, 05:20

... improvement of personalized models, we report the most significant features, sorted by Information Gain (IG), for three sample ASP Pers+Text models (Table 3) Interestingly, whereas for Pers and Pers 2, ... accuracy for ASP, ASP Text, ASP Pers+Text, and ASP Group for groups of askers with varying number of previous questions posted Surprisingly, for ASP Text, textual features only become helpful for ... answer are significant, for Pers non-textual features are most significant We also report the top 10 features with the highest information gain for the ASP and ASP Group models (Table 4) Interestingly,...

Ngày tải lên: 20/02/2014, 09:20

... sentence tI that maximizes this probability for a given sJ in the first section works at character level This is not a problem: the transformation can be performed in an easy way Another important ... Its performance directly affects the quality and efficiency of translation For CAT search we propose using the same algorithm as in MT Thus, we first describe the search in MT 5.1 Search for MT ... 18.8 60.7 17.6 67.1 20.9 61.6 16.5 Table 4: CAT results for the “XRCE” task for 1best hypothesis and 5-best hypothesis alternatives before choosing It is still to be shown if this extra time...

Ngày tải lên: 20/02/2014, 12:20

... translation results for the Verbmobil Test-147 for different contextual information and different thresholds using the top-10 translations The baseline translation results for model are WER=54.80 ... using the ME models The best value is obtained when a threshold of is used We expected to observe strong overfitting effects when a too small cut-off for features gets used Yet, for most words ... acments count for source words that are not aligned to any target word In (statistical) alignment models , the alignment is introduced as a hidden variable Typically, the search is performed using...

Ngày tải lên: 20/02/2014, 18:20

... of these models come close to incorporating enough context to disambiguate many cases of ambiguity A significant reason researchers have limited the contextual information used by their models ... technique for estimating the parameters for this model using decision trees The history-based grammar model provides a mechanism for taking advantage of contextual information from anywhere in the discourse ... Figure h Grammar and parse tree for aabb dexed the non-terminal (NT) nodes of the tree with this leftmost order We denote by ~- the sentential form obtained just before we expand node i Hence, t~...

Ngày tải lên: 20/02/2014, 21:20

... statistical pattern recognition gram models and decision-tree models is to make process A parse tree for a sentence is constructed clear that the power of decision-tree models is not by starting with ... assigned by the model No information about the legal tags for a word are extracted from the test corpus In fact, no information other than the words is used from the test corpus For the sake of efficiency, ... length for Wall Street Journal experiments Conclusion Regardless of what techniques are used for parsing disambiguation, one thing is clear: if a particular piece of information is necessary for...

Ngày tải lên: 20/02/2014, 22:20

... backoff models for combining in-domain and 42 out-of-domain data for the purpose of bootstrapping a part-of-speech tagger for Chinese, outperforming standard methods such as EM i i i Backoff Models ... (Zitouni et al., 2003) for language modeling and by (Gildea, 2001) for semantic role labeling (Resnik et al., 2001) used backoff translation lexicons for cross-language information retrieval More ... applied before training and after generating the output in the target language Normalization of English/German inflectional morphology to base forms for the purpose of word alignment is performed...

Ngày tải lên: 22/02/2014, 02:20

... to improved performance for any method One utterance of context is best for shift-reduce and start-join; three is best for the connection path method The shiftreduce method performs the best ... 34.91 for start-complete, 25.13 for the connection path method, and 21.32 for the chunkbased baseline These performance differences are statistically signicant at p < 001 However, the best performance ... accuracy for all methods All methods perform fairly well, but no method signicantly outperforms any other: with utterances of context, 1-best accuracy is 681 for the connection path method, 698 for...

Ngày tải lên: 22/02/2014, 02:20