examining the impact of the transportation network
McKenzie examples in structural analysis
Ngày tải lên :
11/08/2014, 18:19
... distance in the y direction to the centroid for the total area x is the distance in the x direction to the centroid of the elemental area y is the distance in the y direction to the centroid of the elemental ... about the X-axis ΣMx=0 Equation Sum of the moments of the forces about the Y-axis SMy=0 Equation Sum of the moments of the forces about the Z-axis ΣMz=0 Equation Equations to represent the static ... of the forces in the direction of the X-axis ΣFx=0 Equation Sum of the forces in the direction of the Y-axis ΣFy=0 Equation Sum of the forces in the direction of the Z-axis ΣFz=0 Equation Structural...
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combining discrete orthogonal moments and dhmms for off-line handwritten chinese character recognition
Ngày tải lên :
24/04/2014, 13:02
... that of continuous orthogonal moments The total number of images used in the test 0004.2 Effect of the Number of Zones Z The total number of images used in the test used in The total number of The ... is then used to calculate the loglikelihoods for the model The word associated with an HMM of the highest log-likelihood is declared to be the recognized word In our classifier, the size of a ... of Krawtchouk moments consists of the set of Krawtchouk polynomials The definition of the nth order Krawtchouk polynomial is [8] 3.1 The Introduction of DHMMs Here the HMMs are referenced as DHMMs...
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Báo cáo hóa học: "Review Article Building Local Features from Pattern-Based Approximations of Patches: Discussion on Moments and Hough Transform" pdf
Ngày tải lên :
22/06/2014, 01:20
... or moments) The primary measure would be used to localize the feature candidates The secondary measure would provide the (absolute-value) estimate of whether the local maximum of the primary ... and apply the method only to these locations The advantage of such an approach is that the only task is to build the approximations and to estimate their accuracy (the localization of feature ... of the scanning window and the corresponding parameter space values (bin contents) for Hough transform of 90◦ T-junction pattern The central column shows the window at the position matching the...
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Báo cáo sinh học: "Bending out and breaking away: host-cell accomplices in retroviral escape" pot
Ngày tải lên :
06/08/2014, 18:20
... function downstream of ESCRTI, as overexpression of the former can compensate for the loss of the latter, but the opposite is not the case ESCRTII functions to recruit ESCRTIII to the membrane Recent ... participants in the field of cell-membrane movement into play, with intriguing possibilities Wang et al describe the interaction between the Gag protein of the Moloney MuLV and components of the cellular ... was attributed to the potentially low levels of endophilin required for virion production, or the presence of other members of the endophilin family that could make up for the reduction in endophilin...
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Báo cáo y học: "Potential Adverse and Allergic Reactions from Complementary and Alternative Medicine and Dietary Supplements" pptx
Ngày tải lên :
08/08/2014, 21:20
... under the Dietary Supplement Health and Education Act of 1994.20 They are not subject to the stringent regulation of the US Food and Drug Administration There is relatively better regulation of these ... thank the Library of the College of Physicians and Surgeons of British Columbia for the literature research and Ms S Hasham for secretarial aid References Morris CA, Avorn J Internet marketing of ... not among the food products listed as included in these two DS preparations On the other hand, patients with the more common dairy product allergy, for example, may be in trouble with the second...
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Báo cáo khoa học: " Correction of patient positioning errors based on in-line cone beam CTs: clinical implementation and first experiences" pptx
Ngày tải lên :
09/08/2014, 10:21
... approximately 140 cm Therefore the central axis of the kV-imaging beam is always aligned with the central axis of the MV therapy beam Another important feature of the in-line geometry is that the FPI can ... patient [8] The impact of the panel on the dose distribution was evaluated carefully prior to the treatment of the patients The monitor units must be scaled by a factor of 1.18 to obtain the same ... using the kV- and the MV-beam at the same time This enables the online validation of the delivered fluence to the patient and the possibility to calculate the dose actually delivered to the patient...
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Reactions of pyridazine and some gaseous oxides on the GE(100) surface
Ngày tải lên :
08/09/2015, 22:20
... NATIONAL UNIVERSITY OF SINGAPORE 2012 Thesis Declaration The work in this thesis is the original work of He Jinghui, performed independently under the supervision of Xu Guo Qin, (in the laboratory ... 148 i List of Figures 1.1 Ball and stick model of the Ge(100) surface 1.2 Illustration of the surface reaction of ethylene with Ge(100)-2×1 leading to the formation of intradimer ... conjugated double bonds, the additions of aromatics on Ge(100) are energetic unfavorable due to the loss of resonance energies of aromatic rings Nevertheless, the [4+2] cycloaddition of benzene is able...
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Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts
Ngày tải lên :
10/09/2015, 08:24
... family for their love and support throughout my studies Without their help, I cannot complete this work Table of Contents Summary List of Tables List of Schemes List of Figures List of Abbreviations ... -dibromo--butenolide Scheme 2.7 Synthetic manipulations of the vinylogous aldol adduct Scheme 2.8 Synthesis of antifungal agent Scheme 3.1 Examples of the biologically important isoquinolinones ... Synthesis of chiral isoquinolinones Scheme 3.8 Synthesis of chiral isoquinolines Scheme 4.1 Examples of the biologically important phthalide containing compounds Scheme 4.2 Reaction design for the...
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Surface and interfacial reactions involving inorganic and organic semiconductor substrates
Ngày tải lên :
14/09/2015, 18:14
... materials The shift from the Fermi edge of the metal gives the relative position of the HOMO from the Fermi level of the metal (EF,HOMO in Figure 2.2 (b)) The shift of the left-hand cutoff corresponds ... migrates to the surface in response to the deposition of aluminium atoms, to form a layer of metal oxides On the other hand, the evolution of the UPS spectra suggested that the π-states of the conjugated ... amount of organic materials, the emission from the metal becomes suppressed and the spectrum is changed to that of the organic materials The right-hand cutoff now 27 corresponds to the HOMO of the...
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Probing transient species in plasmas and photodissociation reactions using infrared and raman laser spectroscopy
Ngày tải lên :
16/09/2015, 17:11
... and thereby reduces the interaction length of the Coulomb potential The response of charged particles to reduce the effect of local electric fields is called Debye shielding and the length of the ... block of a few hundred microns in size and the active layer is very thin, only in the order of ≈ 0.3 µm Fig 2.2 shows a schematic of the interior structure of the diode laser [4] The energy of the ... In the cathode dark space, the electron energy exceeds the maximum value of the cross-section excitation curve and thus the light emission is reduced The major part of the voltage drop across the...
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Theoretical studies of engertics, structures and chemical reactions on carbon and BN surfaces and related molecules
Ngày tải lên :
17/09/2015, 17:18
... on the coordinates of the electrons and the nuclei The Hamiltonian is composed of three parts: the kinetic energy of the nuclei, the kinetic energy of the electrons, and the potential energy of ... because there is a limited number of basis functions available The greater the number of basis functions (provided they are well chosen) the better the wavefunction, the lower the energy The limit of ... formation of polyethylene that follows the zig-zag course of the chain The adsorption of C2H2 is able to passivate the surface state on the 2x1 and results in an opening of the surface band gap The...
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Catalytic fast pyrolysis of biomass the reactions of water and
Ngày tải lên :
09/10/2015, 14:39
... steam The results from the analysis of the spent catalysts are shown in Table The TGA analysis of the spent catalysts showed that co-feeding steam reduced the amount of coke deposited on the catalyst ... has the potential to displace fossil fuels for the production of transportation fuels This renewable resource can mitigate the negative impacts of using fossil fuels including the increase of ... monitoring of coke precursors Further, the adiabatic cooling of the molecular beam and the low ionization energy (22.5 eV) greatly reduces fragmentation and simplifies the spectra of the upgraded...
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Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx
Ngày tải lên :
20/06/2014, 20:20
... This enables us to use the usual argument of the Banach fixed point theorem, and to prove the existence and the uniqueness of the fixed point of Ψ, which is the solution of the differential equation ... procedure of the article, and explains some of the intuitions behind our formulation for the reader Definition of the problem We deal with the question of existence and uniqueness of solutions of nonlinear ... with the physical intuition that the norm of the resulting beam deflection cannot be too large compared to that of the input loading w Meanwhile, the nonlinearity and the non-uniformity of the...
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báo cáo hóa học:" Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" docx
Ngày tải lên :
21/06/2014, 20:20
... This enables us to use the usual argument of the Banach fixed point theorem, and to prove the existence and the uniqueness of the fixed point of Ψ, which is the solution of the differential equation ... procedure of the article, and explains some of the intuitions behind our formulation for the reader Definition of the problem We deal with the question of existence and uniqueness of solutions of nonlinear ... with the physical intuition that the norm of the resulting beam deflection cannot be too large compared to that of the input loading w Meanwhile, the nonlinearity and the non-uniformity of the...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
Ngày tải lên :
05/09/2013, 14:58
... This is because of the smaller gradient of the hydrogen concentration distribution at the anode catalyst layer due to the higher diffusivity of the hydrogen The variation of the cathode diffusion ... cell is the conflicting requirements of the membrane and of the catalyst gas diffusion layer On the cathode side, excessive liquid water may block or flood the pores of the catalyst layer, the gas ... performance If the number of steps approaches infinity, the stepped flow field extends to a tapered field that has the lowest cell performance The lower the number of steps and the height of the outlet...
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35768 Study of Electrode Reactions and Interfacial Properties
Ngày tải lên :
25/10/2013, 08:20
... function of the conductivity and chemical nature of the substrate, as well as of the tip–substrate distance The images thus obtained offer valuable insights into the microdistribution of the electrochemical ... generated at the substrate The distribution of the electrochemical activity of the surface can thus be mapped The submicron resolution of SECM images is controlled by the size and shape of the tip, ... from the surface) The peak ratio ip,r/ip,f will thus be smaller than unity; the exact value of the peak ratio can be used to estimate the rate constant of the chemical step In the extreme case, the...
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Recording Your Questions and Reactions
Ngày tải lên :
25/10/2013, 17:20
... the following in the margin or at the end of the paragraph: The paragraph doesn’t include any specific examples of people getting hurt, either physically or emotionally To ask that these shows should ... Below is an example of how this kind of questioning works Read the following paragraph carefully and notice the questions in the margin: How many smoker s are there? ratio of smokers vs non-smokers? ... doesn’t like these shows and is trying to pass his opinion off on others P RACTICE Now it’s your turn to combine all of the kinds of comments and questions discussed in this chapter Read the following...
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