... incidence rates for Hispanic children and Asian/Pacific Islander children were intermediate to those for whites and blacks The rates for Asian/ Pacific Islanders were similar to whites for leukemia ... was malignant tumors of the central nervous system for younger than and 5-9 years of age, and lymphoma for 10-14 and leukemia for 1519 year olds (Table 1) ICCC Group Leukemia - I Lymphoma - II ... was used for racial/ethnic comparisons because it was the only time period except for the decennial census years (1980 and 1990) for which the Census Bureau provided population estimates for racial...
Ngày tải lên: 29/03/2014, 01:20
... degree and later went on to complete a doctorate at Oxford University She has worked for the Wiltshire and Kent County Museums Services and for the Institute of Archaeology at the University of Oxford ... 13.5 Surface infilling materials and replacement techniques 127 13.6 Moulding and casting materials and techniques 128 13.7 Consolidation techniques 128 13.8 Dressings and finishes 128 References ... Leather and Related Materials widens the scope to the benefit of collectors, conservators, curators and anyone with responsibility for the care of leather objects It outlines the history and development...
Ngày tải lên: 17/02/2014, 17:20
CS 205 Mathematical Methods for Robotics and Vision docx
... of mathematical tools for both understanding and solving problems in robotics and computer vision Several classes at Stanford cover the topics presented in this class, and so in much greater ... include the following R Courant and D Hilbert, Methods of Mathematical Physics, Volume I and II, John Wiley and Sons, 1989 D A Danielson, Vectors and Tensors in Engineering and Physics, Addison-Wesley, ... deep, and refers to the principle of superposition of effects For instance, in dynamics, superposition of forces states that if force f1 produces acceleration a1 (both possibly vectors) and force...
Ngày tải lên: 14/03/2014, 14:20
Small particle chemistry reasons for differences and related conceptual challenges d r baer and j e amonette
... Nanotechnology is a branch of science and engineering devoted to the design and production of extremely small electronic devices and circuits built from individual atoms and molecules • Nanotechnology ... channels and strategies for using the Nanotechnology over Wireless Devices Series in Wireless Technology Developments • Mobile wireless devices support: – Wide range of applications spanning voice and ... Better medical treatment – Lower costs for computing • Disadvantages – Environmental risks – Privacy risks – Social and political risks • Other Issues – When and how to regulate or not regulate...
Ngày tải lên: 15/03/2014, 23:53
Mathematical Methods for Physical and Analytical Chemistry pot
... binomial formula to (a) derive the formula dxn/dx = nxn_1 for any arbitrary positive integer n and (b) derive the formula dxn/dx = nxn~1 for any negative integer n 2.3 Use the quadratic formula ... (Wiley, New York, 1999), Section 14.5, and G Henkelman, G Jóhannesson, and H Jónsson, "Methods for Finding Saddle Points and Minimum Energy Paths," in Theoretical Methods in Condensed Phase Chemistry, ... performs a sum with the index incremented in steps of For example, Σ,*=ι j = + + + = 10, Σ * = ι ( - J > ] Γ ^ = a2 = a2 + a2 + a2 + a2 = 4a , and so on Mathematical Methods for Physical and...
Ngày tải lên: 28/03/2014, 10:20
intro to methods of appl. math - adv math methods for scientists and engineers - s. mauch
... 12.2.1 Tests for Uniform Convergence 12.2.2 Uniform Convergence and Continuous Functions 12.3 Uniformly Convergent Power Series 12.4 Integration and Differentiation of ... 1892 44 Transform Methods 44.1 Fourier Transform for Partial Differential Equations 44.2 The Fourier Sine Transform 44.3 Fourier Transform 44.4 Exercises ... 32.7.3 Cosine and Sine Transform in Terms of the Fourier Transform 32.8 Solving Differential Equations with the Fourier Cosine and Sine Transforms 32.9 Exercises ...
Ngày tải lên: 31/03/2014, 16:19
numerical methods for engineers and scientists
... Numerical Methods for Engineers and Scientists Numerical Methods for Engineers and Scientists SecondEdition Revised and Expanded JoeD Hoffman Departmentof Mechanical ... written in simple FORTRAN There are several vintages of FORT_RAN: FORTRAN I, FORTRAN FORTRAN 77, and 90 The programs presented in this book are II, 66, compatible with FORTRAN and 90 77 Several ... methods to complex methods, which in manycases parallels the chronological development of the methods Somepoor methods and some bad methods, as well as good methods, are presented for pedagogical...
Ngày tải lên: 02/04/2014, 15:44
applied quantitative methods for trading and investment- dunis 2003
... performance of the strategy is evaluated in terms of traditional forecasting accuracy and in terms of trading performance Several other models were produced and their performance evaluated, for ... 1980s Bellgard and Goldschmidt (1999) examined the forecasting accuracy and trading performance of several traditional techniques, including random walk, exponential smoothing, and ARMA models ... transformation The use of data in levels in the FX market has many problems, “FX price movements are generally non-stationary and quite random in nature, and therefore not very suitable for learning...
Ngày tải lên: 03/05/2014, 16:47
formal methods for components and objects 9th international symposium, fmco 2010, graz, austria, november 29-december 1, 2010 revised papers
... scrypt/sdcrypt for symmetric encryption and decryption, crypt/dcrypt for asymmetric encryption and decryption, sign/verif for digital signature and its verification, inv to denote key inverses and invtest ... AVANTSSAR and Its Specification Language The EU-funded Project AVANTSSAR has been concerned with developing a formal specification language and automated verification methods and tools to handle systems ... clear to read and feasible to construct for system designers who are not experts in formal methods Keywords: services, security, specification language, formal analysis Introduction Formal Security...
Ngày tải lên: 31/05/2014, 00:38
METHODS FOR DETERMINATION AND APPROXIMATION OF THE DOMAIN OF ATTRACTION IN THE CASE OF AUTONOMOUS pdf
... x = x (2.3) therefore, f (x) < x Definition 2.2 Let R > be the largest number such that B(R) ⊂ Ω and f (x) < x for any x ∈ B(R) \ {0} If for any r > 0, B(r) ⊂ Ω and f (x) < x for any x ∈ B(r) ... = +∞ (i.e., Ω = Rn and f (x) < x , for any x ∈ R \ {0}), then N p = Rn for any p ≥ and Da (0) = Rn Theorem 2.9 For the sets (N p ) p∈N , the following properties hold: (a) for any p ≥ 0, one ... that B(R) ⊂ Ω and f p (x) < x for p ∈ { p, p + 1, ,2 p − 1} and x ∈ B(R) \ {0} 8 Domains of attraction—dynamical systems If for any r > 0, we have that B(r) ⊂ Ω and f p (x) < x for any p ∈ {...
Ngày tải lên: 23/06/2014, 00:20
SURFACES Of NANOPARTICLES AND POROUS MATERIALS ppt
... strategies for converting theoretical materials into practical materials for use The purpose of this volume, therefore, is to collect state-of-the-art procedures for construction and design of nanoparticles ... the gas and liquid interfaces of these materials Case studies are presented and, in some instances, conclusions and projections for optimal design procedures of nanoparticles and porous materials ... Measurements, and Applications, Second Edition, Revised and Expanded, edited by Hiroyuki and Kunio 77 Polymer-Surfactant Systems, edited by Jan T Kwak 78 Surfaces of Nanoparticles and Porous Materials, ...
Ngày tải lên: 27/06/2014, 10:20
Applied Quantitative Methods for Trading and Investment pot
... performance of the strategy is evaluated in terms of traditional forecasting accuracy and in terms of trading performance Several other models were produced and their performance evaluated, for ... 1980s Bellgard and Goldschmidt (1999) examined the forecasting accuracy and trading performance of several traditional techniques, including random walk, exponential smoothing, and ARMA models ... transformation The use of data in levels in the FX market has many problems, “FX price movements are generally non-stationary and quite random in nature, and therefore not very suitable for learning...
Ngày tải lên: 27/06/2014, 22:20
Ultrasonic Methods for Material and Structure Inspection pdf
... Ultrasonic Methods for Material and Structure Inspection 1.6 Elastic waves for NDE and SHM 1.6.1 Ultrasonic waves used for SHM 1.6.1.1 Bulk waves: longitudinal and ... different materials because the failure mechanisms for the two materials can be completely different A good understanding of different failure mechanisms for various materials is needed for designing ... research for material and structure inspection Application areas cover both engineering and biological materials Some of the recent advances in the science and technology of ultrasonic NDE and other...
Ngày tải lên: 29/06/2014, 10:20
Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 1 potx
... Clark and I talk about this a bit in our book (Clark and Mangel 2000) Two possible forms for the gain function are G(t) ¼ at/(b þ t) and G(t) ¼ at2/(b þ t2) Take some time before reading on and ... learned and used Foraging in patchy environments Some classic results in behavioral ecology (Stephens and Krebs 1986, Mangel and Clark 1988, Clark and Mangel 2000) are obtained in the Foraging ... students, post-docs, and even those beyond) who wants to develop the intuition and skills required for reading the literature in theoretical and mathematical biology and for doing work in this...
Ngày tải lên: 06/07/2014, 13:20
Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 2 pptx
... randomly and uniformly (all values equally likely) between and K I then ran the population dynamics for 500 time steps and plotted the point (r, N(500)) I repeated this, with r still fixed, for ... by putting it into a form similar to the von Bertalanffy equation for length? (See Connections for even more general growth and allometry models.) 29 30 Topics from ordinary and partial differential ... Eq (2.22) and write & ' N ðtÞ r ¼ lim E log t!1 t Nð0Þ (2:23) This formula is useful when dealing with data and when using simulation models (for a nice example, see Easterling and Ellner...
Ngày tải lên: 06/07/2014, 13:20
Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 3 doc
... operating systems now provide random numbers that are uniformly distributed between and 1; for a uniform random number between and 1, the probability density is f(z) ¼ if z and is otherwise To simulate ... helpful metaphors for discrete and continuous random variables: the fair die and a ruler on which a needle is dropped, constrained to fall between cm and cm (c) The set up for understanding Bayes’s ... probabilities Random variables come in two varieties: discrete random variables and continuous random variables Discrete random variables, like the die, can have only discrete values Typical discrete random...
Ngày tải lên: 06/07/2014, 13:20
Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 4 pot
... mean egg complements, and survival Sometimes these can even be done by purely analytical (Markov Chain) methods; see Mangel and Clark (1988) and Houston and McNamara (1999) for examples, but many ... dynamics for the two host types thus become ÀaPðtÞH ðt; sÞ for s sà dH ! ¼ H ðt; 0Þ ds PðtÞH ðt; sÞ for s ! sà Àa H ðt; 0Þ þ H ðt; 0Þ (4:33a) and dH ¼ ds Àa ! for s sà H ðt; 0Þ PðtÞH ðt; sÞ for s ... models for population dynamics other sources of mortality, not related to the parasitoid, and due to survival through development and movement into the larval class, which we denote by ME(t), for...
Ngày tải lên: 06/07/2014, 13:20
Quantitative Methods for Ecology and Evolutionary Biology (Cambridge, 2006) - Chapter 5 ppt
... model due to Roy Anderson and Robert May (Anderson and May 1978, May and Anderson 1978) These papers contain eight different models (a basic model and then seven elaborations of it) and total nearly ... completely random distribution – is sufficient to stabilize the dynamics The papers of Anderson and May (1978) and May and Anderson (1978) are well worth examining, to study the other various cases, for ... Solutions of various forms of the SIR model (a) The basic SIR model for an epidemic (b ¼ 0.005, v ¼ 0.3; true for panels b and c); (b) the SIRS model for an endemic disease (f ¼ 0.05); and (c) the SIR...
Ngày tải lên: 06/07/2014, 13:20