qsar modeling of bioaccumulation
Hydraulic modeling of open channel flows over an arbitrary 3-d surface and its applications in amenity hydraulic engineering
... surface profile with conditions of Exp-2…………….79 Figure 6.11 Steady water surface profile with conditions of Exp-5…………….80 Figure 6.12 Steady water surface profile with conditions of Exp-6…………….80 ... plot of water surface in 2D simulation of Exp-1 …………….95 Figure 6.35 Carpet plot of water surface in 2D simulation of Exp-2…………… 95 Figure 6.36 Carpet plot of water surface in 2D simulation of ... plot of water surface in 2D simulation of Exp-4…………… 96 Figure 6.38 Carpet plot of water surface in 2D simulation of Exp-5…………… 97 Figure 6.39 Carpet plot of water surface in 2D simulation of Exp-6……………...
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MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators
... Segerlind L.J, (1988), Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A., Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation of Mass and Heat ... D McDaniel (2004), A Practical Manual for Understanding the Shell Structure of Broiler Hatching Eggs and Measurement of their Quality, Mississipi State University, p 3-5 ... hợp hệ thống điều khiển cho toàn hệ thống Tài liệu tham khảo Crank J., (1975), The Mathematics of Diffusion, Oxford University Press, Bala, B K (1998), Solar drying systems: Simulations and optimization,...
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ISOTOPE HYDROGRAPH SEPARATION FOR MODELING OF RUNOFF MECHANISMS OF ATMOSPHERICALLY DERIVED CHEMICAL AND RADIOACTIVE POLLUTANTS
... 22-23 of 2003 The amount of precipitation was 30 mm in total Figure shows the precipitation record of the studied event (Fig 2a) and the record of the river flow rate (solid line, Fig 2b) of the ... measurement, considering of their respective analytical errors A concept of two-component mixing was employed, in which it was assumed that runoff is composed of a mix of two components: one originating ... and by setting C1 and C2 as mentioned above, the fraction of new water evaluated for the main part of the runoff (0000 of Oct 22 to 1600 of Oct 23, 40 h in total) was found to be as shown in Fig...
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Theoretical modeling of combustion characteristics and performance parameters of biodiesel in DI diesel engine with variable compression ratio
... completeness of combustion and its equal to 6.908, m is a parameter characterizing the rate of combustion The small value of m means a high rate at the beginning of combustion, while a large value of m ... optimazation study for the reduction of Nox emissions of diesel engine working with soybean oil biofuel blendings using diesel-rk software’,27th national convention of chemical engineering, September ... approximation to that of obtained by Diesel-rk software hence, the developed mathematical model is suitable for the prediction of the combustion and performance characteristics of the C.I engine...
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Tài liệu Modeling of Data part 1 pptx
... measure of goodness -of- fit When the third item suggests that the model is an unlikely match to the data, then items (i) and (ii) are probably worthless Unfortunately, many practitioners of parameter ... question, “What is the probability that a particular set of fitted parameters a1 aM is correct?” The reason is that there is no statistical universe of models from which the parameters are drawn There ... one model, the correct one, and a statistical universe of data sets that are drawn from it! Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright...
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Tài liệu Modeling of Data part 2 doc
... assumption of a normal distribution For a hundred years or so, mathematical statisticians have been in love with the fact that the probability distribution of the sum of a very large number of very ... that the standard deviations σ of these normal distributions are the same for all points Then the probability of the data set is the product of the probabilities of each point, 15.1 Least Squares ... distribution is often rather poorly realized, if it is realized at all We are often taught, rather casually, that, on average, measurements will fall within ±σ of the true value 68 percent of the time,...
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Tài liệu Modeling of Data part 3 docx
... contributes its own bit of uncertainty to the parameters Consideration of propagation of errors shows that the variance σf in the value of any function will be 664 Chapter 15 Modeling of Data In §14.5 ... variance of the linear combination yi − a − bxi of two random variables xi and yi , 2 Var(yi − a − bxi ) = Var(yi ) + b2 Var(xi ) = σy i + b2 σx i ≡ 1/wi (15.3.3) The sum of the square of N random ... 15 Modeling of Data N yi − a − bxi σi χ2 (a, b) = i=1 (15.2.2) If the measurement errors are normally distributed, then this merit function will give maximum likelihood parameter estimations of...
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Tài liệu Modeling of Data part 4 pptx
... generalization of §15.2 is to fit a set of data points (xi , yi ) to a model that is not just a linear combination of and x (namely a + bx), but rather a linear combination of any M specified functions of ... North America) float chixy(float bang) Captive function of fitexy, returns the value of (χ2 − offs) for the slope b=tan(bang) Scaled data and offs are communicated via the global variables { int ... stage of varying b, successful numerical root-finding leads to a value of ∆a that minimizes χ2 for the value of ∆b that gives ∆χ2 = This (see Figure 15.3.1) directly gives the tangent projection of...
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Tài liệu Modeling of Data part 5 doc
... standard deviations of the measured dependent variable The measured values of the dependent variable not enter the design matrix Solution by Use of the Normal Equations The minimum of (15.4.3) occurs ... vector of length M The equations (15.4.6) or (15.4.7) are called the normal equations of the leastsquares problem They can be solved for the vector of parameters a by the standard methods of Chapter ... parameters a are linear combinations of the columns of V, with coefficients obtained by forming dot products of the columns Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN...
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Tài liệu Modeling Of Data part 6 pdf
... unlikely to be offset by compensating points of opposite sign From this point on, we will always use as the definition of αkl the formula 684 Chapter 15 Modeling of Data the components of [α] and ... even when they must be offered without proof Figure 15.6.1 shows the conceptual scheme of an experiment that “measures” a set of parameters There is some underlying true set of parameters atrue ... sum of na/3 Gaussians (15.5.16) The amplitude, center, and width of the Gaussians are stored in consecutive locations of a: a[i] = Bk , a[i+1] = Ek , a[i+2] = Gk , k = 1, , na/3 The dimensions of...
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Tài liệu Modeling Of Data part 7 pptx
... techniques, and seek to minimize the uncertainty of the result according to any desired criteria Offered the choice between mastery of a five-foot shelf of analytical statistics books and middling ... value of a measured quantity, or the mean of some function of the measured quantities S The bootstrap method [1] uses the actual data set D(0), with its N data points, to S S generate any number of ... Limits on Estimated Model Parameters 692 Chapter 15 Modeling of Data Confidence Limits Rather than present all details of the probability distribution of errors in parameter estimation, it is common...
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Tài liệu Modeling Of Data part 8 pptx
... definition Some other kinds of robust techniques, coming from the fields of optimal control and filtering rather than from the field of mathematical statistics, are mentioned at the end of this section Some ... function of a single variable z ≡ [yi − y(xi )]/σi If we now define the derivative of ρ(z) to be a function ψ(z), ψ(z) ≡ dρ(z) dz (15.7.4) then the generalization of (15.1.7) to the case of a general ... based on the following fact: The median cM of a set of numbers ci is also that value which minimizes the sum of the absolute deviations |ci − cM | i (Proof: Differentiate the above expression with...
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Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt
... proton of NeH of –Ne+H@C–(NH2)2 of the Arg moiety with the cyclic configuration of Arg-tRNA is transferred to C@O of the ester bond of Arg-tRNA The adenosine moiety of AMP is omitted the formation of ... chains of Pro34 and Leu38 N1 and N6 of the base of A20 lie close to Nd2 and Od1 of the side chain of Asn87 in the S4 strand, with ˚ ˚ distances of 2.82 A and 2.97 A, respectively The plane of the ... group of Asn87 is positioned far out of the base plane Large values of average B-factor of resi- Modeling of tRNA-assisted mechanism on ArgRS dues in the N-terminal domain (average B-factors of...
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Tài liệu Báo cáo khoa học: "Lexicalized Stochastic Modeling of Constraint-Based Grammars using Log-Linear Measures and EM Training" ppt
... which has to be increased by factors of to 20 to an often lower nal value Discussion The most direct points of comparison of our method are the approaches of Johnson et al (1999) and Johnson and ... coverage was of subordinate relevance ing corpus The average sentence length of 7.5 for this automatically constructed parsebank is only slightly smaller than that of 10.5 for the full set of 36,000 ... 20 30 40 50 60 number of iterations 70 80 90 Figure 4: Precision on exact match task in number of training iterations match task plotted against the number of iterations of the training algorithm...
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Tài liệu Báo cáo Y học: Molecular modeling of the dimeric structure of human lipoprotein lipase and functional studies of the carboxyl-terminal domain docx
... the active site from the solvent After the homology modeling, addition of hydrogen, modification of bonds, potentials of forcefield, and fixation of heavy atom, backbone, and Ca, were performed for ... the DISCOVER_3 module of INSIGHT II was used at a constant temperature of 298.0 K for 5000 steps of 1.0 fs time-step RESULTS Model structure of human LPL All model structures of dimeric human LPL ... Molecular modeling of the dimeric structure of LPL Two dimeric model structures of LPL were constructed using INSIGHT II version 2000 on a Silicon Graphics workstation The model structure of the...
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Tài liệu RATE-DISTORTION ANALYSIS AND TRAFFIC MODELING OF SCALABLE VIDEO CODERS ppt
... (a) The ACF of {εI (n)} and that of {φI (n)} in Star Wars IV (b) The ACF of {εP (n)} and that of {φP (n)} in The Silence of 1 the Lambs 125 63 The ACF of {A3 (ε)} ... accurate modeling of R-D curves of real encoders is always challenging due to the diversity of source images and the complexity of transmission channels [82] Therefore, a third type of R-D models, ... Correlation Modeling P and B-Frame Sizes D Modeling the Enhancement Layer Analysis of the Enhancement Layer Modeling I-Frame Sizes Modeling P and B-Frame...
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Missing Data in Value-Added Modeling of Teacher Effects pot
... number of observed mathematics scores a student with an effect of δ = 0.72 (one standard deviation above the prior mean of zero) would have a probability of 0.31 of completing all five years of testing, ... distribution of δ conditional on ni is a function of ni Consequently, assumption implicitly makes ni a predictor of student achievement The model, therefore, provides a means of using the number of observed ... transferred out of the education agency of interest and are not being taught by a teacher in the population of interest Again, this situation is somewhat unique to the setting of VAM and its implications...
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Performance Modeling of Critical Event Management for Ubiquitous Computing Applications pptx
... at the time of detection; and We not address malicious attacks on the detection process The modeling of accuracy of any event detection system involves determination of probabilities of false positives ... (3,2,1) 0.9 0.8 Probability of successful mitigation 0.8 0.4 0.3 0.7 0.6 0.5 0.4 0.3 0.2 0.2 0.1 0.1 t 10 12 p Figure 10: Variation of Probability of Success w.r.t A.2 Proof of Corollary The maximum ... the set of events in the physical environment and be the set of critical events The effects of event on the system and its human inhabitants is denoted as criticality Let be the set of all active...
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