statistical mechanics of physisorption

Ngày tải lên: 24/04/2014, 17:26

Ngày tải lên: 24/04/2014, 17:16

... animator and professional alike, not only in the form of texts such as this one, but an extensive range of animation of many types, live action video footage, an enormous archive of our cinematic ... work of Winsor McCay Those early animators gave us some of the most endearing and enduring examples of animation that few have equalled, even today Some of the work was simplistic, most of it ... Animation: The Mechanics of Motion Jurassic Park (1993) Other animators specialize in cartoon animation, stretching the boundaries of the believable Tex Avery was a master of this form of animation...

Ngày tải lên: 13/09/2012, 14:19

... been composed of one professor, one associate professor and two research associates To give an example, at the University of Tokyo about 15 professors and associate professors of statistics are ... philosophy of TQM can only be carried out with the scientific approach Furthermore the recent development of statistical methods has enabled us to handle new types of problems and data coming out of off-line ... Faculty of Engineering at the University of Tokyo It may be surprising that we have only one professor and one associate professor among approximately 400 faculty members in the very big Faculty of...

Ngày tải lên: 26/10/2012, 09:41

... ratio of 1.05 where the directional strategies exhibit a ratio of 0.75 and in the case of a minimal acceptable rate of 0% non-directional strategies exhibit on average an annualised ratio of 1.75 ... after a long period of extreme volatility Indeed, it is the first low volatility period since autumn of 2002 Throughout the second part of 2002 and the first three quarters of 2003, volatilities ... quarter of 2002 we peaks of 15 October for S&P500 and October 17 for DJIA Once again, after a slight decrease, volatility figures reached levels of 40% Concerning DAX, in the second part of 2002,...

Ngày tải lên: 16/04/2013, 20:00

... sums of integer powers of the values Best known is the mean of the values x1 , , xN , x= N N xj (14.1.1) j=1 which estimates the value around which central clustering occurs Note the use of ... 1974, Applied Statistics: Analysis of Variance and Regression (New York: Wiley) 14.1 Moments of a Distribution: Mean, Variance, Skewness, and So Forth When a set of values has a sufficiently strong ... tendency, the moments of a distribution, the median and mode In §14.2 we learn to test whether different data sets are drawn from distributions with different values of these measures of central tendency...

Ngày tải lên: 20/10/2013, 17:15

... significance of a difference of means is not the number of standard deviations that they are apart, but the number of so-called standard errors that they are apart The standard error of a set of values ... definitions into sums of various powers of the data, e.g., the familiar    N  x2  − N x2  ≈ x2 − x2 (14.1.7) Var(x1 xN ) = j N −1 614 Chapter 14 Statistical Description of Data Semi-Invariants ... the first moment of the tails is large; it is easy to construct examples where the first moment of the tails is large even though their area is negligible To find the median of a set of values, one...

Ngày tải lên: 24/10/2013, 15:15

... *prob=betai(0.5*df,0.5,df/(df+(*t)*(*t))); Degrees of freedom Pooled variance See equation (6.4.9) } which makes use of the following routine for computing the mean and variance of a set of numbers, Sample page from ... of research: Are the visible stars distributed uniformly in the sky? (That is, is the distribution of stars as a function of declination — position in the sky — the same as the distribution of ... function of declination?) Are educational patterns the same in Brooklyn as in the Bronx? (That is, are the distributions of people as a function of last-grade-attended the same?) Do two brands of fluorescent...

Ngày tải lên: 24/10/2013, 15:15

... collected in such a way that the sum of the Ri ’s is necessarily equal to the sum of Si ’s, then the number of degrees of freedom is equal to one less than the number of bins, NB − (that is, knstrn ... then the number of degrees of freedom is NB − If he takes his data to be all the birds he saw on a random sample of days, the same days in each year, then the number of degrees of freedom is NB ... the null hypothesis Its use to estimate the significance of the chi-square test is standard The appropriate value of ν, the number of degrees of freedom, bears some additional discussion If the data...

Ngày tải lên: 28/10/2013, 22:15

... Table Analysis of Two Distributions female # of red males N11 # of green males N12 # of males N1⋅ # of red females N21 # of green females N22 # of females N2⋅ # of red N ⋅1 ... association In this case, the probability of a particular value of x given a particular value of y should be the same as the probability of that value of x regardless of y Therefore, in the null hypothesis, ... The number of degrees of freedom is equal to the number of entries in the table (product of its row size and column size) minus the number of constraints that have arisen from our use of the data...

Ngày tải lên: 28/10/2013, 22:15

... 14 Statistical Description of Data Equations (14.5.7) and (14.5.8), when they are valid, give several useful statistical tests For example, the significance level at which a measured value of ... respectively, the number of data points in the measurement of r1 and r2 All of the significances above are two-sided If you wish to disprove the null hypothesis in favor of a one-sided hypothesis, ... concept of nonparametric correlation is this: If we replace the value of each xi by the value of its rank among all the other xi ’s in the sample, that is, 1, 2, 3, , N , then the resulting list of...

Ngày tải lên: 07/11/2013, 19:15

... relative ordering of the ranks of the two x’s is opposite from the relative ordering of the ranks of the two y’s If there is a tie in either the ranks of the two x’s or the ranks of the two y’s, ... trade@cup.cam.ac.uk (outside North America) D= 642 Chapter 14 Statistical Description of Data Expectation value of D, and variance of D give number of standard deviations and significance Rank correlation ... t-statistic that tests the significance of a nonzero rs It is also possible to test the significance of D directly The expectation value of D in the null hypothesis of uncorrelated data sets is (N −...

Ngày tải lên: 07/11/2013, 19:15

... one of whose quadrants (shown by dotted lines) maximizes the difference between fraction of triangles and fraction of squares Then, equation (14.7.1) indicates whether the difference is statistically ... upper-left quadrant That quadrant contains only 0.12 of all the triangles, but it contains 0.56 of all the squares The value of D is thus 0.44 Is this statistically significant? Even for fixed sample ... tabulate Monte Carlo results for (what amounts to) the distribution of D as a function of (of course) D, sample size N , and coefficient of correlation r Analyzing their results, one finds that the significance...

Ngày tải lên: 07/11/2013, 19:15

... convlv, a set of Savitzky-Golay filter coefficients nl is the number of leftward (past) data points used, while nr is the number of rightward (future) data points, making the total number of data points ... panels.) The widths of the bumps (full width at half of maximum, or FWHM) are 140, 43, 24, 17, 13, and 10, respectively The middle panel of Figure 14.8.1 shows the result of smoothing by a moving ... One sees that the window of width 33 does quite a nice job of smoothing the broadest bump, but that the narrower bumps suffer considerable loss of height and increase of width The underlying signal...

Ngày tải lên: 15/12/2013, 04:15

Ngày tải lên: 23/12/2013, 00:15

Ngày tải lên: 23/12/2013, 00:15

... sophomore–junior level Knowledge of mechanics, electromagnetism, quantum mechanics, and statistical physics at the junior–senior level are prerequisite A substantial part of the difficulty students ... ≡ ∇ · A divergence of A curl A ≡ ∇ × A ∇² curl of A gradient of φ Laplacian operator List of Symbols The following list is not intended to be exhaustive It includes symbols of special importance ... density of states To make all of the necessary concepts clear, we include five preparatory chapters in the present text The first three chapters review the free-electron model of a metal, theory of...

Ngày tải lên: 24/01/2014, 17:40

... review of the main tools enabling stiffness/compliance characterization of MEMS as it lays the foundation of further developments in this book Included are basic topics from mechanics of materials ... the core mathematical model of the theory of elasticity More details on this subject can be found in advanced mechanics of materials textbooks, such as the works of Boresi, Schmidt and Sidebottom ... basics 11 plane Two particular cases of the general state of deformations described above are the state of plane stress and the state of plane strain In a state of plane stress, as the name suggests,...

Ngày tải lên: 13/02/2014, 08:20

... concentrate on the analysis of the regularity of Ξi for the special class of simple maps f : one of the good properties of the class of simple maps is better control of the phase-parameter relation ... validity of some type of Law of Large Numbers estimate 7.1 Some kinds of branches and landings 7.1.1 Standard landings Let us define the set of standard landings of level n, LS(n) ⊂ Ω, as the set of ... ln(n) Appendix: Sketch of the proof of the phase-parameter relation The proof of the phase-parameter relation uses ideas from complex analysis We will provide a sketch of the proof assuming familiarity...

Ngày tải lên: 16/02/2014, 05:20

... phrases in the English side of the parallel corpus This is the case for 75% of the NP/PPs Second, we tried to construct translations of these NP/PPs that take the form of NP/PPs in English in an ... covered by NP/PPs Nouns are the biggest group of open class words, in terms of the number of distinct words Constantly, new nouns are added to the vocabulary of a language, be it by borrowing foreign ... list of possible translations We then rescore this n-best list with the help of additional features This design is illustrated by Figure 3.2 Acquisition of an NP/PP Training Corpus To train a statistical...

Ngày tải lên: 20/02/2014, 16:20