... of isocyanates towards moisture and to increase their stability, blocked isocyanates are often used They are obtained in reactions with some blocking agents, and decompose to isocyanates under ... Rate constants k1 and k2 show the relative rates for the first and second group (compared with a standard rate) The constant k2 is obtained after the first group is reacted, and it should be half ... body parts, dashboards and bumpers and also to obtain elastomers and microcellular foams Components are injected in the mixing chamber of the mixing head under high pressure and mixed by impingement...
Ngày tải lên: 13/08/2014, 16:21
... regulatory networks (Andrecut & Kauffman, 2006; Andrecut et al., 2008) The promoter binding and unbinding, subsequent self-activation, inhibition, dissociation and the degradation reactions for X, and ... random number with zero mean and unit variance can be generated using two typical methods A Box and Muller’s Algorithm Box and Muller (1958) Let U1 and U2 be independent random variables from the ... proposed by Rosenbluth and Rosenbluth (1955) and further developed by Siepmann and Frenkel (1992) and de Pablo et al (1992) As the force bias MC was designed to simulate water and aqueous solutions...
Ngày tải lên: 29/06/2014, 13:20
Applications of the DFT
... Hamming and other windows; see Eqs 16-1 and 16-2, and Fig 16-2a) This results in a 256 point signal where the samples near the ends have been reduced in amplitude, as shown in (c) Taking the DFT, and ... a rectangular window Figures (b) and (c) result from using two popular windows, the Hamming and the Blackman (as previously mentioned, see Eqs 16-1 and 16-2, and Fig 16-2a for information on ... frequencies between 0.2 and 0.3, and rejects all others It is a band-pass filter The phase of the frequency response could also be examined; however, it is more difficult to interpret and less interesting...
Ngày tải lên: 13/09/2012, 09:49
MOB TME - Other aspects of wireless The layer transport - Bluetooth - Wifi Security
Ngày tải lên: 17/09/2012, 09:13
Multi-Carrier Digital Communications - Theory and Applications of OFDM
... Architecture where: and, is a symmetric and orthogonal matrix After FFT, a cyclic pre/postfix of lengths and will be added to each block (OFDM symbol) followed by a pulse shaping block Proper pulse ... DFT's (FFT) where and denote linear and circular convolution respectively Signal and channel, however, are linearly convolved After adding prefix and postfix extensions to each block, linear convolution ... time and coherence bandwidths Then, by using time and frequency interpolation, the impulse response and frequency response of the channel can be calculated Figure 2.7 Pilot positioning in time and...
Ngày tải lên: 02/03/2013, 16:58
English morpheme system and some applications of learning morpheme in establishing words
... -s, and re- near the grammatical end of the continuum are called grammatical morphemes Note that grammatical morphemes include forms that we can consider to be words like the, a, and, and of and ... internet, and some valuable books of foreign and domestic scholars We think these are valuable sources to effectively support for our study + Comparison: we gave out the similarities and differences ... first of all, we should understand deeply about its morpheme system Living in a community, human beings need a tool to communicate with each other, and to carry on human and social affairs They, therefore,...
Ngày tải lên: 08/04/2013, 09:31
Tài liệu Applications of Robotics and Artificial Intelligence to Reduce Risk and Improve Effectiveness pdf
... power and control to the hand If standards were defined, quick-change mechanisms and a family of hand grippers and robot tools would rapidly become available The development of a dexterous hand ... but rather in understanding and standardizing the interface requirements These issues and others were covered at a National Bureau of Standards (NBS) workshop in January 1980 and again in September ... the hands attached to a robot seeks to improve dexterity, enabling robots to handle a variety of parts or tools in complex situations Two goals are the quick-change hand and the dexterous hand...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Multimedia Applications Of The Wavelet Transform ppt
... Kuhmă nch, Gerald Kă hne, and u u Thomas Haenselmann, who exchanged many ideas with me in form and content and thus facilitated their nal transcription Christoph Kuhmă nch and Gertjan Los sacriced ... for the standard versus the nonstandard decomposition strategy 106 6.8 Average quality of the six test images in the comparison of standard versus nonstandard decomposition ... Open interval from to Interval including and excluding Variance of a random variable Mean value of a random variable Explained variance Expectation of a random variable Identity matrix Determinant...
Ngày tải lên: 25/12/2013, 05:17
Tài liệu Principles And Applications Of Electrical Engineering P2 pdf
... shown and i1 = mA and i2 = 1.5 mA, what is the current i3 ? If i1 = mA and i3 = 1.5 mA, what is i2 ? 2.5 CIRCUIT ELEMENTS AND THEIR i-v CHARACTERISTICS The relationship between current and voltage ... of a circuit element is quite useful in practice and can be used to define the most common circuit elements: ideal voltage and current sources and the resistor We can also relate the graphical ... voltage and current in electrical conductors does not apply at very high voltages and currents Further, not all electrically conducting materials exhibit linear behavior even for small voltages and...
Ngày tải lên: 19/01/2014, 19:20
Tài liệu Principles And Applications Of Electrical Engineering P1 docx
... vehicle dynamics and race track simulation, motor and battery pack selection, battery pack and loading system design, and transmission and driveline design This is an ongoing competition, and new projects ... System 606 Binary Codes 606 Boolean Algebra 610 AND and OR Gates 610 NAND and NOR Gates 617 The XOR (Exlusive OR) Gate 619 Contents 13.4 Karnaugh Maps and Logic Design 620 13.5 Sum-of-Products Realizations ... Decoders and Read and Write Memory 638 Chapter 14 Digital Systems 647 15.2 Wiring, Grounding, and Noise 695 15.3 15.4 14.1 Sequential Logic Modules 648 14.2 14.3 14.4 14.5 14.6 Latches and Flip-Flops...
Ngày tải lên: 19/01/2014, 19:20
Tài liệu Multimedia Applications of the Wavelet Transform pdf
... Kuhmă nch, Gerald Kă hne, and u u Thomas Haenselmann, who exchanged many ideas with me in form and content and thus facilitated their nal transcription Christoph Kuhmă nch and Gertjan Los sacriced ... for the standard versus the nonstandard decomposition strategy 106 6.8 Average quality of the six test images in the comparison of standard versus nonstandard decomposition ... Open interval from to Interval including and excluding Variance of a random variable Mean value of a random variable Explained variance Expectation of a random variable Identity matrix Determinant...
Ngày tải lên: 19/01/2014, 19:20
Tài liệu Principles And Applications Of Electrical Engineering P2 ppt
... shown and i1 = mA and i2 = 1.5 mA, what is the current i3 ? If i1 = mA and i3 = 1.5 mA, what is i2 ? 2.5 CIRCUIT ELEMENTS AND THEIR i-v CHARACTERISTICS The relationship between current and voltage ... of a circuit element is quite useful in practice and can be used to define the most common circuit elements: ideal voltage and current sources and the resistor We can also relate the graphical ... voltage and current in electrical conductors does not apply at very high voltages and currents Further, not all electrically conducting materials exhibit linear behavior even for small voltages and...
Ngày tải lên: 19/01/2014, 20:20
Tài liệu Principles And Applications Of Electrical Engineering P1 doc
... vehicle dynamics and race track simulation, motor and battery pack selection, battery pack and loading system design, and transmission and driveline design This is an ongoing competition, and new projects ... System 606 Binary Codes 606 Boolean Algebra 610 AND and OR Gates 610 NAND and NOR Gates 617 The XOR (Exlusive OR) Gate 619 Contents 13.4 Karnaugh Maps and Logic Design 620 13.5 Sum-of-Products Realizations ... Decoders and Read and Write Memory 638 Chapter 14 Digital Systems 647 15.2 Wiring, Grounding, and Noise 695 15.3 15.4 14.1 Sequential Logic Modules 648 14.2 14.3 14.4 14.5 14.6 Latches and Flip-Flops...
Ngày tải lên: 19/01/2014, 20:20
Tài liệu Independent Component Analysis - Chapter 24: Other Applications ppt
... may not be unrealistic For example, factors like seasonal variations due to holidays and annual variations, and factors having a sudden effect on the purchasing power of the customers, like price ... expected to have an effect on all the retail stores, and such factors can be assumed to be roughly independent of each other Yet, depending on the policy and skills of the individual manager, e.g., advertising ... coefficients aij , it is also possible to analyze the original time series and cluster them in groups More details on the experiments and their interpretation can be found in [245] 24.1.2 Time series...
Ngày tải lên: 20/01/2014, 11:20
Tài liệu Definitions of Ratings and Other Forms of Opinion pdf
... (secured and unsecured), including insured and uninsured deposits (retail, wholesale and interbank); obligations arising from derivatives transactions and from legally enforceable guarantees and indemnities, ... commercial and residential mortgages and other asset types Asset manager ratings opine on the relative operational and financial capabilities of asset managers, trustees and others Fund Credit and/ or ... relevant criteria and methodology, to form a rating opinion In issuing and maintaining its ratings, Fitch relies on factual information it receives from issuers and underwriters and from other sources...
Ngày tải lên: 16/02/2014, 03:20
Tài liệu Báo cáo khoa học: Applications of diagonal chromatography for proteomewide characterization of protein modifications and activity-based analyses doc
... proteome prior to trypsin digestion This blocks all free a-amines and e-amines and, further down, distinguishes between in vivo blocked (acetylated) and in vivo free (trideutero-acetylated) protein ... HPLC apparatus equipped with an autosampler, and can be purchased from a variety of companies; and, at least in our hands, HPLC solvent gradients and flow rates can nowadays be controlled such ... poorly isolated On the other hand, N-terminal COFRADIC [33], and the more or less ‘single-step’ isolations of N-terminal peptides by protein sequence tags [48] and positional proteomics [27]...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: "Applications of the Theory of Clumps" pptx
... of P1, N2 the number of occurrences of P2, N3 of P3 and so on, and we have O1 and O2 in our example, possessing P1, P2 and P5, and P2, P3 and P5 respectively, we get This coefficient is thus ... 1) and 3), and evaluating the results in relation to 2), 4) and 5) As we saw, the best coefficient may vary * This is not strictly correct A 3422 matrix, even if it is quite full, can be handled, ... the two; for each document we have a term list and a cluster list, and we treat each request in the same way A request as it stands gives terms, and we can look up the clusters for these in the...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Applications of GPC Rules and Character Structures in Games for Learning Chinese Characters" doc
... al., 1990; Ziegler and Goswami, 2005) and of Chinese, e.g., (Lee et al., 2005), and is important for both young readers (Ho and Bryant, 1997; Lee, 2009) and adult readers (Lin and Collins, 2012) ... lower class (i.e., grades and 2), middle class (i.e., grades and 4), or upper class (i.e., grades and 6) and (2) speed level: the duration between the monsters’ popping up and going down The characters ... characters, Language and Linguistics, 6(1), 75–107 C.-H Lin and P Collins 2012 The effects of L1 and orthographic regularity and consistency in naming Chinese characters Reading and Writing C.-L...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Some Novel Applications of Explanation-Based Learning to Parsing Lexicalized Tree-Adjoining Grammars"" doc
... anchor and provides a domain of locality over which the anchor can specify syntactic and semantic (predicate-argument) constraints Elementary trees are of two kinds - (a) INITIAL TREES and (b) ... mechanism that assigns the additional modifiers and their arguments the following: The elementary trees that they anchor and The substitution and adjunction links to the trees they substitute ... their arguments would be assigned the same elementary trees and the same substitution and adjunction links as were assigned to the modifier and its arguments of the training example This, of course,...
Ngày tải lên: 20/02/2014, 22:20