... physical space coordinates Lastly we relate these quantities to same quantities in Maxwell s equations of physical space For a vacuum virtual space the Maxwell s equations describing the electromagnetic ... Infinitesimal displacement in physical space (ds) and that in virtual space (ds0 ) are related by transformation matrix such that ds = ⇤ds0 Implicitly we assume that the coordinate transformation ... inhomogeneity of its parameters and its complicated anisotropic axes In addition, it can demand permittivity to be equal to permeability at all point in device space; it is called impedance-matched...
Ngày tải lên: 01/10/2015, 17:27
... linear galvanometers is that they have adjustable scan speed, providing a digital zoom and the ability to rotate the scan axis [11] Resonant galvanometers use a torsion spring to vibrate at a fixed ... system is equipped with a Mai-Tai titanium-sapphire laser pumped by a 10 W Argon laser (Spectra-Physics, Santa Clara, CA, USA), a Pockels cell beam attenuator (Conoptics Inc., Danbury, CT, USA), ... .127 Pam_Bead_Stats.java .129 Pam_Bead_Stats2.java .137 Pam_Bead_Stats3.java .150 Pam_Bead_StatsMedian.java 165 Pam_Bead_StatsResolution.java ...
Ngày tải lên: 24/08/2014, 13:39
Measurement of Organic Chemical Refractive Indexes Using an Optical Time-Domain Reflectometer docx
... have been proposed, including fiber grating sensors [2–4], fiber surface plasmon resonance (SPR) sensors [5], photonics crystal waveguide sensors [6], microfibers-based sensors [7], and partially ... commercially available OTDR; hence expensive lock-in-amplifiers as reported in [8] are not required The sensor head is a standard SMF and is easily replaceable; hence special and tailor-made sensors, ... decimal point The proposed OTDR-based fiber sensor head is low-cost (since it is a conventional SMF), robust and re-usable We can rinse it with distilled water without causing any damage after...
Ngày tải lên: 14/03/2014, 20:20
Báo cáo y học: "Refractive Status and Prevalence of Refractive Errors in Suburban School-age Children"
... Examination included an assessment of visual acuity, stereopsis, and ocular motility A slit lamp assessment of the anterior segment and a dilated fundus examination was also performed The examination ... examinations, nine had potential risks for cycloplegia, 36 had eye discomforts, 86 had other pathological conditions (systematic diseases such as congenital brain diseases and cardiovascular diseases), ... myopic astigmatism), and mixed astigmatism Confidence intervals for the prevalence estimates were calculated All data were statistically analyzed with a SPSS software program (SPSS for Windows, Rel.13.0.0.2004;...
Ngày tải lên: 25/10/2012, 11:40
Tài liệu The Invariance of the Index of Elliptic Operators, elliptic operators pdf
... dimensionality is especially important, as it ensures that the “index” makes sense as a quantity The discussion in section deals only with bounded open sets Ω ⊂ Rn Section generalizes the results of section ... that in fact these constructions and tools make sense, and are useful when viewed on a compact manifold 2.1 Sobolev Spaces A preliminary goal of this paper is to show that elliptic operators have ... “smoothness preserving” operators because, as we will soon make precise, if u satisfies Lu = f then u turns out to be smoother then a priori necessary Example A famous example of this is the Laplacian...
Ngày tải lên: 13/12/2013, 14:15
Tài liệu Báo cáo " Study on Monte-Carlo calculation of peak efficiencies of the superpure Hp Ge detector (Gmx) in environmental gamma spectrometry with using MCNP4C2 " pptx
... of photons to be emitted MCNP4C2 tracks each photon as it travels through space and interacts with atoms in the various materials to be present there The electrons and secondary photons created ... only to the photon self-absorption in sample itself, but also to the photon absorption in all other materials between the sample and the detector s active part Monte-Carlo modeling allows to take ... radiation transport code system developed in the Los-Alamos laboratory, USA.The comparision of the obtained calculating results and experimentally measured data has shown out a good agreement between...
Ngày tải lên: 13/02/2014, 04:20
Progress toward Resuming the Issuance of Inflation-Indexed Bonds pot
... Securities Co., Ltd 10 -3- Daiwa Securities Co., Ltd Barclays Capital Japan Limited Deutsche Securities Inc RBS Securities Japan Limited JPMorgan Securities Japan Co., Ltd Issue 30-year 5-year ... March 2012 The designs of the coins vary depending on the issues (months of issuances) Each issue of the Reconstruction Supporters’ Bonds for Retail Investors is associated with unique designs ... rate in JGBs for Retail Investors) in order to call retail investors who are willing to financially support reconstruction projects from the Great East Japan Earthquake Newly issued Commemorative...
Ngày tải lên: 06/03/2014, 04:20
Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot
... Introduction to Solid State Physics, 3rd Edition (Wiley, New York, 1986) T.B Massalski, Binary Alloy Phase Diagrams, 2nd ed (ASM Intern Materials Parks, OH, 1990) E .A Stern, P Livins, Zhe Zhang, Phys Rev ... tendency to be the host is equal for both constituent elements, we can take averaging the parameter m with respect to the atomic mass proportion of the constituent elements in alloy as follows N.V ... the binary alloys The significance of the derived theory is that the calculated melting curves of binary alloys correspond to the experimental phase diagrams and to those qualitatively shown by...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo " Calculation of dispersion relation and real atomic vibration of fcc crystals containing dopant atom using effective potential " pot
... important 2.3 Real lattice vibration in presence of a dopant atom Further we consider the atomic chain consisting of H atoms with mass MH located on the distance of a lattice constant a from one another, ... demonstrates the efficiency and possibility of using anharmonic effective potentials in calculation and analysis of fundamental physical quantities Acknowledgments This work is supported in part ... function, R is bond unit vector This model is here generalized to oscillation of a pair of atoms with masses M D and M H (e.g., dopant and host atom) in a given system Their oscillation is influenced...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo " Calculation of Morse Potential for Diamond Crystals. Applification to Anharmonic Effective Potential " docx
... neighbors of absorber (A) and backscatterer (S) in XAFS of diamond crystal Table Calculated Morse potential parameters for Diamond crystals Si and Sn Crystal D(eV) α (Å-1) ro (Å) Si Sn 0.9956 ... calculate the above equations to obtain the Morse potential parameters, we have to calculate the parameter c in Eq (10) The space lattice of diamond is fcc The primitive basis has two identical atoms ... defined as a oscillation of a pair of atoms with masses M and M (e.g., absorber and backscatterer) in a given system Their oscillation is influenced by their neighbors given by the last term...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo "A new formulation for fast calculation of far field force in molecular dynamics simulations " ppt
... force calculation – a significant calculation part of FMM on GRAPE Remaining parts of the paper are organized as follows In section we gives a summary of the FMM and related algorithms as well as ... laugh; It runs, Journal of Computational Physics 87 (1990) 161 [9] T Amisaki, S Toyoda, H Miyagawa, K Kitamura, Development of hardware accelerator for molecular dynamics simulations: a computation ... The tree construction stage has no change It is performed in the same way as in the original FMM At the M2M transition stage, we compute positions and charges of pseudoparticles, instead of forming...
Ngày tải lên: 22/03/2014, 11:20
Benefits and Limitations of Inflation Indexed Treasury Bonds ppt
... bonds, the benefits of indexed bonds are largely associated with long-term bonds This section discusses the benefits of such bonds to investors, the Treasury, and policymakers Benefits to investors ... nominal bonds A risk premium is the difference in the yields of two assets due to differences in the riskiness of the assets Because investors not like risk, issuers of riskier assets typically have ... is the additional yield an issuer pays to compensate investors for investing in a less liquid asset In a world full of uncertainties, investors frequently need to adjust their holdings of a security...
Ngày tải lên: 22/03/2014, 18:20
Báo cáo khoa học: "On the Applicability of Global Index Grammars" ppt
... context-sensitive grammatical formalisms In Peter Sells, Stuart Shieber, and Thomas Wasow, editors, Foundational issues in natural language processing, pages 31–81 MIT Press, Cambridge, MA did ... introduces Linear Indexed Grammars and discusses its applicability to Natural Language problems This discussion is addressed not in terms of weak generative capacity but in terms of strong-generative ... be understood as claim to propose GIGs as a grammar model with “linguistic content” that competes with grammar models such as HPSG or LFG It should be rather seen as a formal language resource...
Ngày tải lên: 23/03/2014, 19:20
molecular dynamics calculation of critical point
... are calculated from the statistical analysis of positions, velocities, and forces of the molecules at locations of interest With very few assumptions of the material properties and the process, ... der Waals-like loop, which is due to the computational size used The van der Waals-like loop is more obvious when a smaller calculation domain is used.) The pressure starts to decrease again with ... ρ is the number density and V is the total volume The first part (ρkB T ) arises from the random motion of atoms without considering forces among atoms, similar to the pressure for ideal gases,...
Ngày tải lên: 06/05/2014, 08:54
steinmetz cp theory and calculation of transient electric phenomena and oscillations
... the instant stoppage, as by collision, of a fast railway train leads to the usual disastrous result So also, in electric systems of small stored energy, a sudden change of circuit conmay be safe, ... by a spark gap set for a lower voltage than the impressed, then the spark gap discharges as soon as the condenser charge has reached a certain value, and so starts a transient term; the condenser ... circuit constants, inductance, capacity resistance resistance, inductance and capacity The resistance of materials metals, electrolytes, insulators and pyroelectrolytes Inductance and the magnetic...
Ngày tải lên: 04/06/2014, 12:34
applied financial economics the hedging effectiveness of stock index fixtures (holmes & 2001)
... series are associated with the smallest residual in absolute size and the ® nal observation in both the cash and futures returns series is associated with the largest residual in absolute size ... shares and uses that capital to buy shares in other companies The ITC is managed full-time by a specialist In the context of the USA, an ITC is similar to a mutual fund Other researchers associated ... portfolios vary substantially in terms of mean and standard Results in relation to traditional and beta hedge strategies and those relating to individual investment trust companies are available...
Ngày tải lên: 04/06/2014, 13:20
Báo cáo hóa học: " On calculation of eigenvalues and eigenfunctions of a Sturm-Liouville type problem with retarded argument which contains a spectral parameter in the boundary condition" pot
... differentiation with respect to s that for large s this expression has bounded derivative It is obvious that for large s the roots of Equation 20 are situated close to entire numbers We shall show that, for ... theorem is proved Asymptotic formulas for eigenvalues and eigenfunctions Now, we begin to study asymptotic properties of eigenvalues and eigenfunctions In the following, we shall assume that s is sufficiently ... Establishment of the problem belongs to AB (advisor) ES obtained the asymptotic formulas for eigenvalues and eigenfunctions All authors read and approved the final manuscript Competing interests The...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Removing the Influence of Shimmer in the Calculation of Harmonics-To-Noise Ratios Using Ensemble-Averages in Voice Signals" docx
... assumptions are valid only on glottal source signals; hence results are not applicable to vocal tract filtered signals Functional Data Analysis (FDA) has also been used to perform the optimal time alignment ... uncorrelated as assumed in the derivation of (27), a fraction of it is regarded as signal, incrementing HNR estimates (solid lines) in all variants with respect to the results with uncorrelated noise ... tails add to what is considered signal by the model in HNRS, while in HNRSr this effect seems to be compensated by its related consequence in estimating pulse amplitudes with the same assumptions about...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Computational Issues Associated with Automatic Calculation of Acute Myocardial Infarction Scores" doc
... 48 variables Step Classification of T-waves according to Table 13 variables (including all T amplitudes of all leads) + all 12 classifications = 25 variables Step Classification of Q-waves according ... Anderson-Wilkins acuteness score is based on the simultaneous analysis and classification of ST elevation, the Twave variations, and the presence/absence of pathological Q waves Table shows T-wave ... each lead, one should estimate amplitude and duration for Q, R, and S waves, thus leading to 12 leads × variables = 72 variables One should also consider 11 composite quantities such as Q/R, from...
Ngày tải lên: 21/06/2014, 22:20