a mathematical modelling approach

Báo cáo hóa học: " Multi-finger coordination in healthy subjects and stroke patients: a mathematical modelling approach" potx

Ngày tải lên : 19/06/2014, 08:20

... characterization and accuracy After data normalization, each joint angular profile was mathematically characterized to obtain a synthetic representation of motion and facilitate the extraction of spatial, ... Multi-finger coordination in healthy subjects and stroke patients: a mathematical modelling approach Ilaria Carpinella1*, Johanna Jonsdottir2 and Maurizio Ferrarin1 Abstract Background: Approximately 60% ... treated separately and only amin, amax and ROM, as calculated from the measured data, were included in the analysis Statistical analysis Considering the small sample of data, comparisons were made...

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Tài liệu Báo cáo khoa học: Catabolite repression in Escherichia coli – a comparison of modelling approaches docx

Ngày tải lên : 18/02/2014, 13:20

... phosphorylated EIIA activates adenylate cyclase (CyaA) and leads to an increase in the intracellular cyclic AMP (cAMP) level [1] Mathematical models of catabolite repression in E coli The (isolated) reactions ... metabolites An approach that combines ﬂux balance analysis (FBA) with an ordinary differential equation (o.d.e.) model of the slow time scales is called dynamic ﬂux balance analysis (dFBA), and ... using a mathematical model, and it was shown that, in the case of non-PTS carbohydrates (carbohydrates that are not phosphorylated during uptake, such as lactose or arabinose), a simple relationship...

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Báo cáo khoa học: Mathematical modelling of the urea cycle A numerical investigation into substrate channelling docx

Ngày tải lên : 08/03/2014, 08:20

... k1;Arginase k3;Arginase k4;Arginase Arg(t) [Arginase] denominatorArginase where denominatorArginase = k4;Arginase (k2;Arginase + k3;Arginase ) þ k5;Arginase (k2;Arginase + k3;Arginase ) orn(t) þ k1;Arginase ... citRðtÞÞAspðtÞ þ k3;ASS k5;ASS k7;ASS k9;ASS k12;ASS ATP(t) Asp(t) (as(t) þ asR(t)) þ k3;ASS k5;ASS k7;ASS k9;ASS k11;ASS ATP(t) Asp(t) þ k2;ASS k5;ASS k7;ASS k10;ASS k12;ASS Asp(t) AMP(t) (as(t) þ asR(t)) ... k2;ASS k4;ASS k6;ASS k8;ASS k12;ASS PPi (t) (as(t) þ asR(t)) + k3;ASS k6;ASS k8;ASS k10;ASS k12;ASS ATP(t) PPi (t) AMP(t) Â (as(t) + asR(t)) þ k2;ASS k4;ASS k10;ASS k12;ASS (k6;ASS þ k7;ASS ) AMP(t)...

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Báo cáo khoa học: A modelling approach to quantify dynamic crosstalk between the pheromone and the starvation pathway in baker’s yeast pot

Ngày tải lên : 30/03/2014, 10:20

... selective activation was possible without physical separation of the two cascades [6] However, an analysis of the temporal behaviour of the two cascades shows that both pathways will always be activated ... and the ﬁlamentous growth pathway In this study we employ mathematical modelling techniques to analyse dynamic mechanisms and measures of crosstalk We illustrate our approach by giving an example ... values of 34 kinetic parameters randomly from an interval between a minimal (0.01) and a maximal value (10) For each random parameter set we calculated the corresponding crosstalk measures according...

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univ of minnesota pr mathematical models in the health sciences a computer aided approach nov 1979

Ngày tải lên : 11/06/2014, 16:42

... graphed as an arrow and, as discussed later, may be assigned a rate parameter often designated as k Some examples are introduced to indicate in a narrative fashion how compartmental analysis can ... estimation are far more complicated than of linear parameter estimation The latter can be done exactly, whereas nonlinear parameter estimation always requires an iterative, trial and retrial approach ... linear is used, four abstract examples are presented in an accompanying table Mathematical models are presented in the table both as differential equations and as their analytic solutions Arbitrary...

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Báo cáo hóa học: " Modelling the guaranteed QoS for wireless sensor networks: a network calculus approach" ppt

Ngày tải lên : 21/06/2014, 00:20

... flows: A (t), A (t) and A (t) is equal regardless of R values and T values The upper bound on Q2 of A2 (t) is more than that of Q1 of A1 (t), and that of Q3 of the A3 Zhang et al EURASIP Journal on ... interpreted as the long-term average arrival rate of self-similar traffic, si,k as the standard deviation, Hi,k as the Hurst parameter with the values ranging from 0.5 to 1, and g is a positive constant ... self-similar traffic flow is a key in advance in the case Then, we can obtain the guaranteed QoS by regulating the average arrival rate r and the burst tolerance b of self-similar traffic flows...

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Báo cáo lâm nghiệp: "Variables inﬂuencing cork thickness in spanish cork oak forests: A modelling approach" docx

Ngày tải lên : 07/08/2014, 16:20

... plot basal area under cork; gmax : maximum basal area under cork; gdom : dominant basal area under cork; apb: area proportional to tree basal area; BAL: mean basal area of the trees larger than ... maximum basal area under cork; gdom : dominant basal area under cork; apb: area proportional to tree basal area; BAL: mean basal area of the trees larger than ith tree where d j > di 307 calibration ... Serrano F., Carretero Carrero M.P., Modelos y cartograf a de estimaciones climáticas termopluviométricas para la Espa a peninsular INIA, col Fuera de Serie, Madrid, 1999 [26] Landsac A. R., Zaballos...

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Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot

Ngày tải lên : 07/08/2014, 16:21

... often a limited amount of data available for estimating the site-speciﬁc parameter We employed a sensitivity analysis to assess the importance of the available amount of data for estimating a First, ... instead of ﬁve was 11% improvement in RMSE When information on basal area was available, additional improvements were observed when a was estimated from the simultaneous height and basal area equations ... and based on the proposition that density measured as stand basal area a ects both basal area growth and dominant height growth, we used the following equations to describe height and basal area...

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Báo cáo y học: "Mathematical modelling to centre low tidal volumes following acute lung injury: A study with biologically variable ventilation" doc

Ngày tải lên : 12/08/2014, 18:21

... of 0.5 mL/kg to a maximum of mL/kg Haemodynamics, airway pressures, arterial and venous Statistical Analysis Data were analysed by repeated measures analysis of variance (ANOVA) as previously described ... ventilation yielded a broad range for this calculated volume Although not clearly advantageous over the standard approach – low VT as determined by the ARDSNet algorithm – VT selected mathematically ... Figure Volume Mathematically Calculated versus Algorithm Low Tidal Mathematically Calculated versus Algorithm Low Tidal Volume VT calculated from the point of maximal compliance change (c - 1.317d)...

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Mathematical modelling of a suspension culture microenvironment

Ngày tải lên : 10/11/2015, 12:28

... and the structural constraints of the extracellular space was found to affect the binding and 12 receptor activation of glutamate receptors [71] A more detailed mathematical model further quantified ... Survival stimulation was highest in Fractions and and was similar to that found with CM Fractions and were found to have marginally higher stimulation than GM The Fractions 1, 2, and were then analyzed ... clonal analysis assay for neural stem cells and its limitations Clonal analysis depends on the capacity of the initial cell to survive when isolated from a complex environment and to retain the ability...

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Self-Assembly and Nanotechnology: A Force Balance Approach

Ngày tải lên : 15/11/2012, 10:12

... interaction takes the largest contribution of van der Waals attraction, except for a highly polar molecule such as water Overall, van der Waals interactions are always attractive at atomic and ... is the van der Waals interaction parameter For a thermodynamics point of view, β can be well correlated with van der Waals parameters a and b in the van der Waals equation for state of gas through ... SELF-ASSEMBLY AND NANOTECHNOLOGY SELF-ASSEMBLY AND NANOTECHNOLOGY A Force Balance Approach Yoon S Lee Scientiﬁc Information Analyst Chemical Abstracts Service A Division of the American Chemical...

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5 DS07 10 14 bai da sua A Control-Theoretic Approach_v8_

Ngày tải lên : 29/01/2013, 16:31

... K.NAHRSTEDT and J.SEO, A Gateway-Assited Approach Toward QoS Adaptations”, in Proceedings of IEEE International Conference on Multimedia and Expo, Aug 2000, pp.855-858 [9] C.H.YOUN, H.SONG and J.E.KEUM, ... A General Model for QoS Adaptation”, 6th IWQoS Proceedings Napa Valley California May 18-20, pp 275-278, 1998 [3] M.SHOR, K.LI and J.WALPOLE, “Application of Control Theory to Modeling and Analysis ... Proceedings of IEEE International Conference on Multimedia Computing and Systems, 1999 [6] D.HULL, A. SHANKAR, K.NAHSTEDT and J.LIU, “An End-to-End QoS Model and Management Architecture”, in Proceedings...

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Tất cả

PHP 5 Recipes A Problem-Solution Approach

Ngày tải lên : 27/10/2013, 07:15

... languages such as C++ and Java), PHP automatically assigns a data type to a variable when a value is allocated to it This makes PHP rather simple to use when declaring variables and inputting values into ... up and assigning both associative arrays and regular arrays in PHP is easy PHP arrays start the index at zero, as most programming languages Indexing arrays is just as easy; PHP supports several ... you are familiar with associative arrays, then you will understand what we mean when we say that you can think of an object as being like an associative array with alternative notation They are...

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A mathematical introduction to control theory

Ngày tải lên : 01/01/2014, 17:43

... may be a number, an array, or various other objects about which we will hear more later Note that neither variables nor arrays need to be declared in MATLAB'S language Here are a number of examples ... must ask is, how does one define reasonable? We take a simple Mathematical Preliminaries 27 definition—we say that a system is stable iffor any (reasonable) bounded input and for any initial conditions ... Professor Anastassiou has both encouraged me in my efforts to have this work published and has helped me in my search for a suitable publisher My officemate, Aharon Naiman, has earned my thanks many,...

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A real time approach to process control 2ed

Ngày tải lên : 01/01/2014, 17:44

... For undergraduate programs looking to transition away from the traditional mathematical- based approach to a more applied, hands-on approach, this text will be an invaluable aid.’ Charles F Moore, ... scheme and load variables much as the operator of a plant observes the behaviour of an actual plant Dynamic simulation allows for the comparison of several candidate control strategies and assesses ... control hardware fundamentals P2 P2 P1 H Area = A L Area = a θ Inclined Limb Manometer ⎞ a P2 − P1 = rgL ⎜ + sin q⎟ ⎠ A Typical Manometer P2 − P1 = rgH P2 P1 Area = A Area = a H Single Limb Manometer...

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Tài liệu An Evaluation of A Participatory Research Approach in Rainfed Lowland Area of Vinh Trach Village, B pptx

Ngày tải lên : 16/01/2014, 21:20

... the farmers as the principle actors among other relevant actors in the processes of participatory approaches Literature Cited Nguyen Duy Can, Le Thanh Duong and Ryuichi Yamada, 2002 A Participatory ... enhance the capabilities of GOs and NGOs, to build local capacity of resource poor farmers for sustainable use and management of agricultural and natural resources to increase production and ... acts to bring a collaborative, multi-sector and multi-disciplinary approach, opening up space for farmers participation, gender equity and decision making at the village level SWG Serves as A...

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Tài liệu A Public Health Approach to Children’s Mental Health - A Conceptual Framework pdf

Ngày tải lên : 12/02/2014, 12:20

... mental health and Ensuring Quality, Access, and Sustainability Gathering and Analyzing Data to Drive Decisions Assessing A Conceptual Framework for a Public Health Approach to Children’s Mental ... ic ental Change, ental Change nta Change ntal Chang ta Change, han ange nge Environmental Change Pr ro i Programs, Services, Education, Social Marketing e at Cre VAL UES up l po F rs loca Ba rtiv ... mental health problems, treating mental health problems, and reclaiming optimal health while addressing a mental health problem A Public Health Approach to Children’s Mental Health: A Conceptual...

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Tài liệu A Client-Centered Approach to Reproductive Health: A Trainer’s Manual docx

Ngày tải lên : 13/02/2014, 10:20

... Tasneem and Tayyaba Gul were also an essential part of the core team during earlier trainings in Sargodha The manual was edited earlier by Mary D’Souza It was later transformed into the shape of a ... manual in training programs will change providers’ orientation such that they are able to treat a client as an individual person rather than as a patient, a case, or a number However, a sustained ... clients Having said that, the fundamentals of participatory training are repeated and reinforced throughout the manual as a reminder, and to encourage those who may have had less advanced training...

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Tài liệu Báo cáo khoa học: A systems biology approach for the analysis of carbohydrate dynamics during acclimation to low temperature in Arabidopsis thaliana doc

Ngày tải lên : 14/02/2014, 22:20

... Heyer AG (2010) Mathematical modelling of the central carbohydrate metabolism in Arabidopsis thaliana reveals a substantial regulatory inﬂuence of vacuolar invertase on whole plant carbon metabolism ... cosubstrate NADPH For isomerization of fructose 6-phosphate, phosphoglucoisomerase was added 516 Mathematical modelling, parameter identiﬁcation and simulation A mathematical model was developed, ... experimental data obtained at 22 °C (0 days at °C) and °C (1 day, days and days at °C), respectively The results of parameter estimation represent means ± SD (n = 50) Experimental data represent means...

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