Green et al. 1988. Green, S., J. Boissoles, and C. Boulet, 1988: Accurate collision -induced line-coupling parameters for the fundamental band of CO in He: Close ...

A minimum set of parameters is proposed which will indicate the overall safety status of a commercial Boiling Water Reactor. Parameters were selected by identifying those sufficient to determine if functions of fundamental importance to safety are being accomplished. The selected set was subjected to verification by comparison with a ...

A minimum set of parameters is proposed which will indicate the overall safety status of a commercial Boiling Water Reactor. Parameters were selected by identifying those sufficient to determine if functions of fundamental importance to safety are being accomplished. The selected set was subjected to verification by comparison with a ...

Photometric OGLE (I) and MACHO (VR) light curves together with AAT 2dF spectra of five OB eclipsing binaries in the SMC are analyzed. A specifically designed procedure for the correlated photometric and spectroscopic solution using the MORO light curve code and FITSB2 spectrum fitting approach yields accurate stellar and orbital parameters and precise ...

Stellar multiplicity is a fundamental astrophysical property. In addition to being the only physical basis for accurate mass determination, this parameter is believed to influence important aspects such as planet formation and stability. Contrary to earli...

Simulation and modeling of MEMS devices poses a three-fold challenge: (a) difficulties in specifying accurate physical models that include process and material dependencies, (b) lack of fundamental materials parameters that impact behavior, and (c) adequa...

We combine results from interferometry, asteroseismology and spectroscopic analyses to determine accurate fundamental parameters (mass, radius and effective temperature) of 10 bright solar-type stars covering the H-R diagram from spectral type F5 to K1. Using �direct� techniques that are only weakly model-dependent we determine the ...

Big bang nucleosynthesis (BBN) is the earliest sensitive probe of the values of many fundamental particle physics parameters. We have found the leading linear dependences of primordial abundances on all relevant parameters of the standard BBN code, including binding energies and nuclear reaction rates. This enables us to set limits on ...

The determination of Eu(III) doping levels in various oxide matrices was carried out through x-ray fluorescence analysis. The use of fundamental parameters calculations was investigated as a potentially fast and accurate method, and comparison was made to results obtained by using an intensity model multiple regression method. By use ...

... Title : FUNDAMENTAL PARAMETERS INFLUENCING THE ACCUMULATION AND ELIMINATION OF CARBON MONOXIDE BY ADULT HUMAN ...

Context. The knowledge of accurate stellar parameters is a keystone in several fields of stellar astrophysics, such as asteroseismology and stellar evolution. Although the fundamental parameters can be derived from both spectroscopy and multicolour photometry, the results obtained are sometimes affected by ...

We present fundamental parameters of 4 massive eclipsing binaries in the young massive cluster Westerlund 1. The goal is to measure accurate masses and radii of their component stars, which provide much needed constraints for evolutionary models of massive stars. Accurate parameters can further ...

Eclipsing binaries are the only systems that provide accurate fundamental parameters of distant stars. Currently, only a handful of accurate measurements of stars with masses between 40-80 Msun have been made. We propose to make accurate measurements of the masses, radii and luminosities of the ...

This chapter describes extended capabilities of the backscatter with fundamental parameter (BFP) method, which was originally applied only to well-defined samples over a more restricted range of compositions. It demonstrates that the BFP calculation method accurately computes both the effective thickness and the bulk composition of ...

In this paper, we approximate the fundamental mode in single mode step and graded index optical fiber by a single parameter Lorentzian function within scalar variational framework. We show that it works in a low V region, a region important for evanescent wave coupling, more accurately in terms of propagation constant in comparison to ...

We have used over 10,000 early-type galaxies from the 6dF Galaxy Survey (6dFGS) to construct the Fundamental Plane across the optical and near-infrared passbands. We demonstrate that a maximum likelihood fit to a multivariate Gaussian model for the distribution of galaxies in size, surface brightness and velocity dispersion can properly account for selection effects, censoring ...

The Planck experiment will soon provide a very accurate measurement of cosmic microwave background anisotropies. This will let cosmologists determine most of the cosmological parameters with unprecedented accuracy. Future experiments will improve and complement the Planck data with better angular resolution and better polarization sensitivity. This ...

In this paper, stress intensity factors for a three dimensional rectangular interfacial crack are considered on the idea of the body force method. In the numerical calculations, unknown body force densities are approximated by the products of the fundamental densities and power series; here the fundamental densities are chosen to express singular stress ...

A semi-empirical model based on the forward scatter principle has been devised for describing the gamma-ray density log for oil well logging. This approach is significantly different from the existing primarily empirical model and approach that is presently used for this purpose. It offers the possibility of providing a more fundamental and accurate basis ...

Using a U (2) algebraic model the fundamental stretching vibrations of copper octaethyl porphyrin and magnesium octaethyl porphyrin are calculated for 24 vibrational bands. The locality parameter ? confirms the highly local behavior of the stretching modes of these porphyrin molecules. The model Hamiltonian so constructed appears to describe the ...

A rapid and accurate x-ray fluorescence (XRF) method for estimating concentrations of K sub 2 O, SiO sub 2 , Al sub 2 O sub 3 , P sub 2 O sub 5 , and (Li sub 2 O + B sub 2 O sub 3 ) in S-glass was developed based on the use of a fundamental parameters pro...

This report unveils new algorithms for actively measuring (not estimating) available bandwidths with very low intrusion, computing cross traffic, thus estimating the physical bandwidth, provides mathematical proof that the algorithms are accurate, and addresses conditions, requirements, and limitations for new and existing algorithms for measuring network bandwidths. The paper ...

This report summarizes work carried out during the period 1991-1995 in connection with the refinement of the concepts and detailed designs for nuclear and fundamental physics research instrumentation at the proposed Advanced Neutron source at Oak Ridge National Laboratory. Initially, emphasis was placed on refining the existing System Design Document (SDD-43) to detail more ...

We present preliminary results of the first near-infrared variability study of the Arches cluster, using adaptive optics data from NIRI/Gemini and NACO/VLT. The goal is to discover eclipsing binaries in this young (2.5 +/- 0.5 Myr), dense, massive cluster for which we will determine accurate fundamental parameters with subsequent ...

The nu3 fundamental bands of (C-13)3 and (C-12)(C-12)(C-13) and the associated nu3 + nu2 - nu2 sequence band of (C-13)3 were observed in a hollow cathode discharge through a C2H2 + H mixture using a tunable diode laser spectrometer in the 5-micron region. An analysis of the observations yields accurate values for the line positions (with J values up to ...

We examine the effects of the extended gauge sector of the littlest Higgs model in high energy e+e- collisions. We find that the search reach in e+e-?f fmacr at a s=500GeV International Linear Collider covers essentially the entire parameter region where the littlest Higgs model is relevant to the gauge hierarchy problem. In addition, we show that this channel provides an ...

This paper presents a semi analytical formulation of modal properties of a non linear optical fiber having Kerr non linearity with a three parameter approximation of fundamental modal field. The minimization of core parameter (U) which involves Kerr nonlinearity through the non-stationary expression of propagation constant, is carried ...

We present preliminary results from the ground-based ESO/FLAMES observational program set up for the spectroscopic study of variable stars observed in the CoRoT exoplanet fields. In the Initial Run (IRa01) and the two first long anticenter runs LRa01 and LRc01 about 9000 variable stars have been identified by the CVC (Corot Variable Classifier). The multi-objects FLAMES medium resolution (R~7000) ...

Page 1. Fundamentals of the Human Foveal Vision System ... 5 parameters of foveal vision: target area A, background .. ... ...

Algorithms based on the discrete Fourier transform and the least-squares three-parameter sine fit have been used for accurate low-frequency voltage measurement using integrating digital voltmeters. Bayesian statistics is here applied to the common problem of fitting a truncated Fourier series with constant and known fundamental ...

The ?9 fundamental band of ethane occurs in the 12 ?m region. It is the strongest band of ethane in a terrestrial window in the thermal infrared and is commonly used to determine ethane's abundance in the atmospheres of the Jovian planets and comets and to determine their temperature. Precise and accurate absolute intensities of this band are crucial for ...

... Title: An Efficient and Accurate Method of Estimating Substrate ... This thesis presents a Z-parameter based model to predict the substrate ...

A method to accurately measure landmarks of Hanjiangfish fossil based on computer vision is presented. Hanjiangfish is a deracinated vertebrate ever lived on the earth four million years ago. The geometric morphometry of the ichthyolite based on the landmark measurement is fundamental in the vertebrate palaeontology. The landmark measurement is based on ...

Context. Clear power excess in a frequency range typical for solar-type oscillations in red giants has been detected in more than 1000 stars, which have been observed during the first 138 days of the science operation of the NASA Kepler satellite. This sample includes stars in a wide mass and radius range with spectral types G and K, extending in luminosity from the bottom of the giant branch up ...

In order to investigate a complicated physical system, it is convenient to consider a simple, easy to solve model, which is chosen to reflect as much physics as possible of the original system, as an ideal approximation. Motivated by this fundamental idea, we propose a novel asymptotic method, the nonsensitive homotopy-Pad� approach. In this method, homotopy relations are ...

analysis was performed with a modified version of the. SPECTRO. [25] program. ... quartic force field given in Table 1 was used to obtain fundamental ...

Adult sex ratios (ASRs) and population size are two of the most fundamental parameters in population biology, as they are the main determinants of genetic and demographic viability, and vulnerability of a population to stochastic events. Underpinning the application of population viability analysis for predicting the extinction risk of populations is the ...

Generalized gradient approximations (GGA{close_quote}s) for the exchange-correlation energy improve upon the local spin density (LSD) description of atoms, molecules, and solids. We present a simple derivation of a simple GGA, in which all parameters (other than those in LSD) are fundamental constants. Only general features of the detailed construction ...

The study of detached eclipsing binaries is one of the most powerful ways to investigate the properties of individual stars and stellar systems. We present preliminary masses, radii and effective temperatures for the eclipsing binary WW Aurigae, which is composed of two metallic-lined A-type stars. We also reanalyse the data on HD 23642, an A-type eclipsing binary member of the Pleiades open ...

Knowledge of the fundamental stellar properties: mass, radius, effective temperature and wind mass-loss rate are essential for constraining models of the late stages of evolution. The only accurate, fundamental method is to determine these parameters from binary stars but this has been done for few binaries --- and ...

Jan 22, 2011 ... It is necessary to emphasize that the Hildebrand parameter (solubility parameter ) is fundamentally a liquid state property. ...

Jan 22, 2011 ... It is necessary to emphasize that the Hildebrand parameter (solubility parameter) is fundamentally a liquid state property. When gases are ...

The dependence of the red edge location on the two fundamental free parameters in the eddy viscosity

Two basic problems have been associated with traditional 2-dimensional cephalometry. First, many important parameters cannot be measured on plain cephalograms; and second, most 2-dimensional cephalometric measurements are distorted in the presence of facial asymmetry. Three-dimensional cephalometry, which has been facilitated by the introduction of cone-beam computed ...

Previous NAC data network studies have revealed the fundamental properties and relative costs of a variety of network architecture alternatives. The cost comparisons were made with a constant backbone subnet average end-to-end delay - a crucial performance parameter. Complex line cost structures were created to accurately model ...

One of the goals of energetic materials (EMs) research is to obtain accurate equations of state (EOS). These EOS establish fundamental relationships between thermodynamic variables and provide necessary input for the description of materials at the mesoscopic and continuum levels. Ultimately, these EOS are governed by interactions at the atomic scale, and ...

The Lense-Thirring effect, a tiny perturbation of the orbit of a particle caused by the spin of the attracting body, was accurately measured with the use of the data of two laser-ranged satellites, LAGEOS and LAGEOS II, and the Earth gravitational model EGM-96. The parameter &mgr;, which measures the strength of the Lense-Thirring effect, was found to ...

Despite its fundamental role in the dynamics of compressible fluids, bulk viscosity has received little experimental attention and there remains a paucity of measured data. Acoustic spectroscopy provides a robust and accurate approach to measuring this parameter. Working from the Navier-Stokes model of a compressible fluid one can show ...

The method of fundamental solutions (MFS) is an efficient meshless method for solving boundary value problems in an exterior unbounded domain. The numerical solution obtained by the MFS is accurate, while the corresponding matrix equation is ill-conditioned. A modified MFS (MMFS) with the proper basis functions is proposed by the introduction of the ...

Advances have been made on a number of fronts that will help implement the application of field-flow fractionation (FFF) to particle characterization. Our research activities have followed the general course outlined in the research plan. However, in the course of this research, we have found it necessary in several instances to focus on some very basic kinds of measurements in order that the ...

Dominant frequency analysis (DFA) and organization analysis (OA) of cardiac electrograms (EGMs) aims to establish clinical targets for cardiac arrhythmia ablation. However, these previous spectral descriptions of the EGM have often discarded relevant information in the spectrum, such as the harmonic structure or the spectral envelope. We propose a fully automated algorithm for estimating the ...

... In a previous publication the intention was announced of using a newly acquired Geiger counter, spectrometer to obtain more accurate meas- ...

Background: Stripped to its fundamentals, the climate is first affected by the ... accurately and over the full thermal band, carries decisive diagnostic ...

... both at the fundamental level and for the applications. This is a main thrust in my research. Dispersion properties of photonic crystal devices can be ...

Forces on tethered satellites, tether tension as a function of the effective mass, and parameters of

... Abstract : The lack of fundamental data on the properties of polyethylene prompted a study of the available thermodynamic parameters of this ...

... OF THE MAGNETIC PARAMETERS INCLUDING A FUNDAMENTAL RELATIONSHIP BETWEEN COERCIVITY, INITIAL PERMEABILITY, AND ...

... OF RADAR SIGNALS AND MEASUREMENT OF THEIR ... aspects of the statistical theory of detecting radar signals and measuring their parameters ...

... PARAMETERS, PROJECTILES, ORIENTATION(DIRECTION), TARGETS ... PARITY, NEUTRONS, NUCLEAR RESONANCE, REGENERATION ...

The ab initio prediction of band gaps for solids is important for fundamental and practical reasons. Many approaches exist to remedy the "band gap problem" in Density Functional Theory (DFT) in which band gaps are severely underestimated. We recently proposed the ?-sol method [1], an adaptation of the ?SCF method towards solids, in which the fundamental ...

We present preliminary results from the ground-based ESO/GIRAFFE observational program set up for the spectroscopic study of variable stars observed in the CoRoT exoplanet fields. About 3000 variable stars have been identified in each CoRoT field by the CVC (CoRoT Variable Classifier). The multi-object GIRAFFE medium resolution spectroscopic observation of these fields allows us to ...

Aims:Due to the importance of accurate Fourier parameters, we devise a method that is more appropriate for deriving these parameters for low-quality data than the traditional Fourier fitting. Methods: Based on the accurate light curves of 248 fundamental mode RR Lyrae stars, we test the power ...

... KNOWING THE PROBE ANGLE, A PARAMETER DIFFICULT TO MEASURE ACCURATELY AND ... FROM DIFFERENT ANGLES, THUS REDUCING ...

High-order many-mode terms in the expansion of multidimensional potential energy surfaces were modeled by a fully automated molecule-specific fitting of parameters within semiempirical molecular orbital theory to low-order grid representations of high-level ab initio potentials. Analytical derivatives of the total energy with respect to the fitting ...

High-order many-mode terms in the expansion of multidimensional potential energy surfaces were modeled by a fully automated molecule-specific fitting of parameters within semiempirical molecular orbital theory to low-order grid representations of high-level ab initio potentials. Analytical derivatives of the total energy with respect to the fitting ...

The accurate indirect current measurement technique based on charge transport to the floating gate in a FAMOS structure is presented. It is pointed out that the measurement bypasses effects of trapping and local heating, allowing full characterization of parameter, voltage, and temperature dependence down to gate current levels of 10 to the -16 A. On the ...

The scattering properties of ice crystals at centimeter and millimeter wavelengths are fundamental for their measurement with radars or radiometers as well as for many other applications in remote sensing. Only the scattering properties of homogeneous spheres can be computed in a mathematically exact way using the Mie theory. Therefore, for many approaches ice crystals and ...

In this thesis, the frost heave knowledge of physical geographers and soil physicists, a detailed description of the frost heave process, methods to determine soil parameters, and analysis of the spatial variability of these soil parameters are connected to the expertise of civil engineers and mathematicians in the (computer) modelling of the process. A ...

High resolution (0.004 cm-1 instrumental bandwidth) interferometric Fourier transform infrared spectra of 14ND2H were obtained on a BOMEM DA002 spectrometer under essentially Doppler limited conditions. We report the analysis of the ND and NH stretching fundamentals of 14ND2H with term values for the symmetric (s) and antisymmetric (a) sublevels with respect to the inversion ...

Basic relationships between some laser beam parameters and three definitions of fundamental mode laser beam radius are described and tabulated. Two important laser parameters in laser dosimetry are percentage of beam power contained within a radius r, and...

From first principles it is demonstrated that there are three hole transport and recombination parameters in heavily doped n-type silicon: the hole equilibrium concentration, the lifetime, and the diffusion coefficient. In steady-state, however, only two combinations of these three fundamental parameters are relevant: the hole ...

Context. A precise comparison of the predicted and observed locations of stars in the H-R diagram is needed when testing stellar interior theoretical models. For doing this, one must rely on accurate, observed stellar fundamental parameters (mass, radius, luminosity, and abundances). Aims: We determine the angular diameter of the ...

Context. Accurate fundamental parameters of stars are mandatory for the asteroseismic investigation of the Kepler mission to succeed. Aims: We determine the atmospheric parameters for a sample of six well-studied bright K giants to confirm that our method produces reliable results. We then apply the same method to ...

Model based optical proximity correction (MB-OPC) is essential for the production of advanced integrated circuits (ICs). As the speed and functionality requirements of IC production necessitate continual reduction of the critical dimension (CD), there is a heightened demand for more accurate and sophisticated OPC models. The OPC is applied to the design data through a rule ...

High resolution (0.004 cm-1 instrumental bandwidth) interferometric Fourier transform infrared spectra of mixtures of ammonia HD isotopomers were measured on a BOMEM DA002 spectrometer under essentially Doppler limited conditions. We report the analysis of the ND and NH stretching fundamentals of 14NH2D with term values Tv (s) = 2506.5087(9) cm-1 and Tv (a) = 2505.8952(10) ...

The overall goal of this research program is to gain fundamental understanding of the important chemistry and physics involved in mercury adsorption on carbonaceous surfaces. This knowledge will then be used to optimize adsorption processes and operating conditions to maximize the uptake of mercury within the required contact time. An additional long-term benefit of this ...

Effective management of a ground-water system requires description and prediction of the transport and fate of contaminants in that system. This can be facilitated by using mathematical models which accurately represent the physical phenomena operative in the system. One of the most significant phenomena impacting the transport of many organic pollutants is partitioning ...

New photometric and spectroscopic observations of the 1.7 day eclipsing binary IQ Persei (B8 + A6) have been analyzed to yield very accurate fundamental properties of the system. Reticon spectroscopic observations obtained at McDonald Observatory were used to determine accurate radial velocities of both stars in this slightly eccentric ...

We study renormalization group invariant (RGI) quantities in the minimal supersymmetric standard model and show that they are a powerful and simple instrument for testing high-scale models of supersymmetry (SUSY) breaking. For illustration, we analyze the frameworks of minimal and general gauge-mediated (MGM and GGM) SUSY breaking, with additional arbitrary soft Higgs mass ...

Quantum-chemical calculations are nowadays able to provide very accurate predictions of molecular and spectroscopic properties. The predictive capabilities of such computations take a fundamental role in the field of high-resolution spectroscopy: calculations allow to guide, support and/or challenge the experimental determinations. In the field of ...

As manufacturing technology has been moving to the stage of full automation over the years, one of the fundamental requirements is the ability to accurately predict the output performance of machining processes. The focus of present study is to predict surface roughness using the surface temperature of a turning workpiece with the aid of an infrared ...

We examine the effects of the extended gauge sector of the Littlest Higgs model in high energy e{sup +}e{sup -} collisions. We find that the search reach in e{sup +}e{sup -} {yields} f{bar f} at a {radical}s = 500 GeV International Linear Collider covers essentially the entire parameter region where the Littlest Higgs model is relevant to the gauge hierarchy problem. In ...

We develop novel closed-form empirical relations to estimate the dynamic pull-in parameters of electrostatically actuated linearly tapered microcantilever beams driven by a step-function voltage. A computationally efficient single degree-of-freedom model is employed in the setting of an energy-based technique to characterize the dynamic pull-in of the distributed ...

The paper considers the determination of heat sources in unsteady 2-D heat conduction problem. The determination of the strength of a heat source is achieved by using the boundary condition, initial condition and a known value of temperature in chosen points placed inside the domain. For the solution of the inverse problem of identification of the heat source the ?-method with the method of ...

The regulatory systems that allow cells to adapt to their environments are exceedingly complex, and although we know a great deal about the intricate mechanistic details of many of these systems, our ability to make accurate predictions about their system-level behaviors is severely limited. We would like to make such predictions for a number of reasons. How can we reverse ...

The properties of joints in mechanical systems are notoriously uncertain causing corresponding uncertainty in the systems� dynamic responses. A piping system is one such example where an accurate knowledge of joint properties is useful for the purposes of structure-borne sound transmission, fatigue considerations and structural health monitoring. This paper presents an ...

Stacking involving aromatic rings has a significant contribution to the structural stability of biological macromolecules. However, conventional calculations such as density functional theory (DFT) and molecular mechanics (MM) fail to estimate such stabilization energies, most of which are fundamentally derived from van der Waals interactions. For the ...

... Accession Number : ADA411757. Title : The Multi-Average Method to Accurately Estimate TEOAE Parameters. Corporate ...

Two perspective images of a single scene taken by uncalibrated cameras are related by a fundamental matrix, which is the key to solving many computer vision problems. We present a new robust and accurate algorithm to estimate the fundamental matrix, which is suitable for wide baseline stereo pairs. The estimation algorithm includes two ...

Context: The CoRoT satellite has provided high-quality light curves of several solar-like stars. Analysis of these light curves provides oscillation frequencies that make it possible to probe the interior of the stars. However, additional constraints on the fundamental parameters of the stars are important for the theoretical modelling to be successful. ...

Computational models of electrical activity and calcium signaling in cardiac myocytes are important tools for understanding physiology. The sensitivity of these models to changes in parameters is often not well-understood, however, because parameter evaluation can be a time-consuming, tedious process. I demonstrate here what I believe is a novel method for ...

High resolution (0.004 and 0.01 cm(-1) instrumental bandwidth) interferometric Fourier transform infrared spectra of (14)NH2D and (14)ND2H were measured on a Bomem DA002 spectrometer in a supersonic jet expansion and at room temperature. We report the analysis of the bending fundamentals of (14)NH2D with term values Tv(s)=1389.9063(2) cm(-1) and Tv(a)=1390.4953(2) cm(-1) for ...

Low energy antiprotons offer excellent opportunities to study properties of fundamental forces and symmetries in nature. Experiments with them can contribute substantially to deepen our fundamental knowledge in atomic, nuclear and particle physics. Searches for new interactions can be carried out by studying discrete symmetries. Known interactions can be ...

We combine results from interferometry, asteroseismology and spectroscopy to determine accurate fundamental parameters of 23 bright solar-type stars, from spectral type F5 to K2 and luminosity classes III-V. For some stars we can use direct techniques to determine the mass, radius, luminosity and effective temperature, and we compare ...

An automated wavelength-dispersive x-ray fluorescence spectrometer is operational for analysis of major elements in rocks and minerals. Procedures for trace-element analysis are being developed. Sample preparation methods and analytical techniques are similar to those commonly used elsewhere, but data reduction is conducted by the Fundamental Parameters ...

SW Sextantis stars are a relatively large group of cataclysmic variables (CVs) which plays a fundamental role in our understanding of CV structure and evolution. Very little is known about the properties of their accreting white dwarfs and their donor stars, as the stellar components are usually outshone by an extremely bright accretion flow. Consequently, a proper assesment ...

Why does the neutral theory, which is based on unrealistic assumptions, predict diversity patterns so accurately? Answering questions like this requires a radical change in the way we tackle them. The large number of degrees of freedom of ecosystems pose a fundamental obstacle to mechanistic modelling. However, there are tools of statistical physics, such ...

The basic evaluation of suspected voiding dysfunction involves fundamental objective tools such as the pressure-flow study. Although accurate, the several drawbacks to this invasive study of bladder outlet obstruction (BOO) are discussed and evaluated. Other non-invasive and/or minimally invasive ways of diagnosing BOO continue to be the subject of ...

From surface effects in controlled thermonuclear fusion devices and reactors meeting; Argonne, Illinois, USA (10 Jan 1974). The fundamental operating principles and parameters inherent to the Reference Theta-Pinch Reactor (RTPR) are described herein. An emphasis is placed on those engineering aspects of the RTPR design which bear directly on the ...

Existing capabilities of laser ranging, optical interferometry, and metrology, in combination with precision frequency standards, atom-based quantum sensors, and drag-free technologies, are critical for space-based tests of fundamental physics; as a result of the recent progress in these disciplines, the entire area is poised for major advances. Thus, ...

Multiple dioeusion reactions are frequently encountered in the modeling of heterogeneous catalytic reactors. Obtaining an accurate estimate of the yield and selectivity in such reactions is crucial for an optimal design of reactors. Due to the inadequacy of analytical techniques in handling non-uniform catalyst shapes and mixed boundary conditions, numerical techniques are ...

An electrical simulation model for photovoltaic cells, modules, and arrays has been developed that will be useful to a wide range of analysts in the photovoltaic industry. The Microsoft{reg_sign} Windows{trademark} based program can be used to analyze individual cells, to analyze the effects of cell mismatch or reverse bias(`hot spot`) heating in modules and to analyze the performance of large ...

Understanding the origin of the accelerated expansion of the Universe poses one of the greatest challenges in physics today. Lacking a compelling fundamental theory to test, observational efforts are targeted at a better characterization of the underlying cause. If a new form of mass-energy, dark energy, is driving the acceleration, the redshift evolution of the equation of ...

Understanding the origin of the accelerated expansion of the Universe poses one of the greatest challenges in physics today. Lacking a compelling fundamental theory to test, observational efforts are targeted at a better characterization of the underlying cause. If a new form of mass-energy, dark energy, is driving the acceleration, the redshift evolution of the equation of ...

The rate of spontaneous mutation in natural populations is a fundamental parameter for many evolutionary phenomena. Because the rate of mutation is generally low, most of what is currently known about mutation has been obtained through indirect, complex and imprecise methodological approaches. However, in the past few years genome-wide sequencing of ...

Ordinary matter is described by six fundamental parameters: three couplings (gravitational, electromagnetic and strong) and three masses: the electron's (m) and those of the up (m) and down (m) quarks. An additional mass enters through quantum fluctuations: the strange quark mass (m). The three couplings and m are known with an accuracy of better than a ...

The landmark measurement of human skull is fundamental to geometric morphometry of palaeoanthropology. The landmarks are geometry points which can describe anatomically the homology of species group. They play an important role in palaeoanthropology. A structured-light based method is used to measure and make the 3D digital model of skull. The distances between all pairs of ...

The diffusion coefficient is a fundamental parameter for devices exploiting the ion transport properties of polyelectrolyte multilayers (PEMUs) and complexes. Here, the transport of ferricyanide through a multilayer made from poly(diallyldimethylammonium chloride) (PDADMA) and polystyrene sulfonate (PSS) was studied as a function of temperature or salt ...

Tokamaks are, in many respects, the most promising avenue for the development of fusion power. The continual improvement in the performance of these devices and their understanding of them is due in greater measure to the development of accurate plasma diagnostics. Many of the most crucial measurements required to assess their progress on these experiments are based in one way ...

Source Term (ST) is generally known as the amount of the radio-nuclides(fission products along with activation and Actinides) that can be released from a nuclear power plant in an accident. The ST can be more accurately defined as the quantity, timing, composition, chemical and physical form of radio-nuclides. The amount of radio-nuclides is a fundamental ...

For the analysis of plate bending and vibration problems high precision triangular elements are very attractive. The effect of thickness variation can be included in these elements very easily at the expense of the computer time, for analysing variable thickness plates. On the other hand, variable thickness plates can be analysed as stepped plates with constant thickness elements with ...

From a microscopic point of view, we theoretically investigate fishnet metamaterials. We formulate the construction of the fundamental Bloch mode by tracking the flows of energy through the fishnet structure. The analysis is supported by a closed-form semi-analytical model based on surface-plasmon coupled-mode equations. The model provides an accurate ...

Thermophotovoltaic cells with a range of band gaps are modeled under a variety of illumination conditions, including a range of source temperatures and a variable degree of spectral control. Thus, the balance between the requirements of high power densities and high efficiencies can be investigated. The influence of elevated cell temperatures, cell cooling, Auger recombination, and series ...

Ancient DNA analyses of historical, archaeological and paleontological remains can contribute important information for the conservation of populations and species that cannot be obtained any other way. In addition to ancient DNA analyses involving a single or few individuals, population level studies are now possible. Biases inherent in estimating population parameters and ...

It is recognized widely nowadays that the superconducting gravimeter (SG) is a kind of best relative gravimeter with high observing precision, good continuity and stability. However, it is necessary to calibrate the direct output (change in voltage) by using scale value (calibration factor) before getting the change of the real gravity field. Studies show that the accuracy of the scale value will ...

This paper presents a photometric and spectroscopic study of the bright blue eclipsing binary LMC-SC1-105, selected from the Optical Gravitational Lensing Experiment catalog as a candidate host of very massive stars (>=30 Msun). The system is found to be a double-lined spectroscopic binary, which indeed contains massive stars. The masses and radii of the components are M 1 = 30.9 � 1.0 Msun, ...

Three main topics were considered in this study: the fundamental laser parameters of titanium-doped sapphire, characterization of commercially grown material, and design of a tunable, narrow-linewidth laser. Fundamental parameters investigated included th...

An attempt was undertaken to clarify information about contemporary image test films, and to establish, mainly in mass produced film samples, the level of their quality in terms of fundamental technical parameters. During the work, by means of laboratory ...

We use the BCD spectrophotometric classification system to derive fundamental parameters of B stars in NGC 2439, NGC 3766 and NGC 6087. We are able to perform a complete study of each open cluster by deriving spectral classification of its members, distance modulus and age as well.

Control of the Rashba spin-orbit coupling in semiconductor two-dimensional electron gases (2DEGs) is of fundamental interest to the rapidly evolving semiconductor spintronics and depends on the detailed knowledge of the controversial interface and barrier penetration effects. Based on the 8�8 k?p Kane model for the bulk, we propose a spin-dependent variational solution ...

In this paper we present a new Analysis/Synthesis method namedSINOLA, which benefits from both sinusoidal additive model and OLA/PSOLA method, and which allows adequate processing according to the inherent local characteristics of the signal. All the parameters of the models are derived at the same time from spectrum analysis. We propose an analytical formulation of a ...

A fundamental goal of computer music sound synthesis is accurate, yet efficient resynthesis of musical sounds, with the possibility of extending the synthesis into new territories using control of perceptually intuitive parameters. A data clustering technique known as vector quantization (VQ) is used to extract a globally optimum set ...

Inductive voltage adder topology has attracted great attentions in pulse power community for near two decades. However, there has been lack of literatures on inductive voltage adder network analysis and circuit design model. We have recently developed a simplified model and a set of simple formulas. An expanded model and more detailed analysis are presented in this paper. Our model reveals the ...

Ab initio calculations are becoming increasingly useful to engineers interested in designing new alloys because these calculations are able to accurately predict basic material properties only knowing the atomic composition of the material. Fundamental physical properties (like formation energy and elastic constants) of 11 bcc magnesium-lithium alloys were ...

Historical unreinforced masonry buildings often include features such as load bearing unreinforced masonry vaults and their supporting framework of piers, fill, buttresses, and walls. The masonry vaults of such buildings are among the most vulnerable structural components and certainly among the most challenging to analyze. The versatility of finite element (FE) analyses in incorporating ...

This paper describes a model atmosphere analysis of calcium and iron lines in the spectrum of the bright K0 giant Pollux. The assumption of LTE is initially retained throughout a coarse analysis in which the proprieties of various model atmospheres are examined and approximate values for the atmospheric parameters are derived. A fine analysis follows in which an empirical ...

Dec 14, 2001 ... Theory Derives Parameters of Relativity Theory ... This is the first calculation of any of the PPN parameters from brane theory. ...

In order to determine if speech whose fundamental is absent can have its pitch accurately restored so as to be used as an input to a vocoder, a computer simulation was performed. The fundamental was restored by passing the speech through a fullwave rectif...

If the potential for a boom in the global hydrogen economy is realized, there will be an increase in the need for accurate hydrogen thermodynamic property standards. Based on current and anticipated needs, new fundamental equations of state for parahydrog...

Accurate estimations of transport parameters of engineered and natural barrier materials are indispensable for assessments of the safety of geological disposal of hazardous wastes including radioactive nuclear waste. In such projects, it is essential that the barrier materials be capable of retarding the migration of contaminants. When groundwater flow is ...

A method (computer codes) for quickly and accurately calculating Rayleigh- and Love-mode group-velocity partial derivatives with respect to model parameters (m) is developed. The method is fast because the partial derivatives for all the model parameters ...

growth is the determination of the solubility curve. It is a ... The solubility curve cannot normally be calculated from fundamental solution parameters and ...

... DIMENSIONAL EXPERIMENTS ON THE EFFECT OF HULL FORM ON ... fundamental parameters affecting the two-dimensional water-entry problem. ...

... of molten metal is gas ... Descriptors : *ALLOYS, *DEPOSITION, *SPRAYS, PARAMETERS ... HOMOGENEITY, LIQUID METALS, SPRAYERS, LIQUIDS ...

... model has been designed to accept as input parameters certain fundamental primitive variables, such as grain size, porosity, grain density and gas ...

... was found to be sensitive to parameters of the photonic bandgap structures. ... The analysis of phase mismatch of fundamental and SH radiation in ...

... This material captured the uncertain parameters of ... 29. Callister Jr., William D., Fundamentals of Materials Science and Engineering ...

Third, estimated fundamental parameters and thermodynamic properties for eight of these isomers will be presented. Finally, the ideal cycle performances of ...

Optical power is the most fundamental parameter to be measured in a photonic system. It is usually measured with an optical power meter or an optical ...

Jul 24, 1992 ... The Geotail mission measures global energy flow and transformation in the magnetotail to increase understanding of fundamental ...

... with fundamental physics-based models to predict the damage as it ... POLYCRYSTALLINE, FAILURE(MECHANICS), FATIGUE(MECHANICS ...

... possible to characterize fatigue fracture behavior by a parameter having units of length. We propose that the characteristic ...

This traditional approach to stress analysis does not formally address the natural uncertainties of primitive variables (fundamental parameters describing ...

A fundamental parameter governing the radiative properties of clouds is the extinction coefficient, which is the sum of the scattering and absorption ...

and coastal floods and flash floods. CI-FLOW provides resource managers with data fundamental to ecosystem more accurate and timely warnings for flash floods, the number one severe weather threat to human life's needs by developing methods to monitor and predict floods and flash floods. Accurate quantitative

The single scattering properties of atmospheric particles are fundamental to radiative simulations and remote sensing applications. In this study, an efficient technique, namely, the pseudo-spectral time-domain (PSTD) method which was first developed to study acoustic wave propagation, is applied to the scattering of light by nonspherical particles with small and moderate ...

A simple and sufficiently accurate method is proposed for estimating the parameters of shockwave loading of porous materials under conditions of complete compaction of the material to the density of a monolith.

The INR system produces images that are accurately mapped to earth ... The concept of an ideal image is fundamental to the INR system approach (Figure 7-1 ). ...

This project performed accurate calculations of chemical reaction cross sections for collinear and three dimensional systems of importance for the fundamental aspects of chemical dynamics and for advanced technologies of interest to the United States Air ...

Jan 10, 2003 ... The segment discussed the need for accurate atomic clocks, how they impact our lives, and about future optical frequency atomic clocks. ...

Space lasers and power transmission. Ultraprecise clocks and more accurate navigation systems. Improved competitiveness of U.S. industry ...

... 936 Accurate Telephone numbers 498 Reached within 24 days Results 254 Willing to listen to consent 254 Willing to listen to consent 229 English speakers ...

Summarized are research activities related to Nonlinear Dynamic Response of Composite Rotor Blades. Fundamental to the analysis is the development of a continuum formulation that can accurately account for the effects of interlaminar shear and interlamina...

Sep 1, 2011 ... As such, it is accurately modeled using the solubility product ... Although solubility product identifies the primary conditions that must be met for ...

Global Positioning System (GPS) as well as highly accurate ephemerides. In the future these products are considered fundamental for the proper use of GPS in ...

As such, it is accurately described or modeled using the solubility product equilibrium ... As equilibrium processes, both the acid/base equilibrium and solubility ...

The MISTE experimental cell is comprised of a coffee cup-sized copper cylinder ... to accurate measurements of pressure, temperature and density in tests. ...

... on a constant frequency pulse phase-locked loop concept has been developed to accurately measure the ultrasonic phase velocity in condensed ...

This research is concerned with accurate and efficient four- dimensional field estimation and fundamental dynamical process studies for the mid-latitude ocean. The research is multiscale, interdisciplinary and generic. The methods are applicable to an arb...

The fundamental goal of this project was to develop additional capabilities to the diamond measuring prototype, work out technical difficulties associated with the original device, and perform automated measurements which are accurate and repeatable. For ...

The experiment goals are to provide accurate fundamental data on deflagration rates, gas-phase temperature profiles, transient gas-phase flame behaviors, ...

Jan 17, 2002 ... The need for rapid and accurate gamma-ray burst locations has long been recognized as the fundamental key to solving the gamma-ray burst ...

... intermittent engine performance parameters such as thrust per unit area, specific ... The chief obstacle to the accurate determination of intermittent ...

Because accurate station coordinates and earth orientation determinations are important to the TOPEX

... parameters) to calculate accurate satellite positions at a ... THESES, HIGH RESOLUTION, METEOROLOGICAL SATELLITES, TIME, AUTOMATIC ...

A comprehensive literature search was conducted to obtain the most accurate values for the molecular and the spectral parameters, including Franck-Cordon ...

... compounds exhibit hysteresis and constitutive nonlinearities which ... any other provision of law, no person ... yielding the highly accurate fit observed in ...

... Abstract : An accurate technique to measure the complex permittivity of materials ... the development of models to predict the dielectric parameters of ...

The parameters specify an accurate relationship between spectral response of vegetation canopy to incident solar radiation at the leaf and canopy scale. ...

PROPOSAL TITLE: Microwave Rain Gauge ... techniques for precise and accurate measurements of various parameters associated with rain and snow fall . ...

The MMS provides high-resolution and accurate meteorological parameters ( pressure, temperature, turbulence index, and the 3-dimensional wind vector). ...

A comprehensive literature search was conducted to obtain the most accurate values for the molecular and the spectral parameters, including Franck-Cordon ...

A three-parameter expression that gives an accurate fit to diatomic potential curves over the entire

The method is based upon molecular line parameters and makes use of a far wing scaling approximation

... The parameter used to model the solvent effects is the collision frequency α, which is related to the liquid density � of the system. ...

One way to model human behavior easily and accurately is to decompose a complex task into a set of primitive operations to which performance parameters may ...

The Hyades binary stars, such as theta (2) Tau, play important roles in the determination of astronomical distance scale. The extensive observations of this system have been done by different techniques in the past. Now the latest observations at various wavelengths from long baseline interferometers provide good opportunities to study physical pictures of the system of theta (2) Tau, and to ...

Context. To determine the physical parameters of a transiting planet and its host star from photometric and spectroscopic analysis, it is essential to independently measure the stellar mass. This is often achieved by the use of evolutionary tracks and isochrones, but the mass result is only as reliable as the models used. Aims: The recent paper by Torres et al. (2010, ...

A fundamental objective of a power-system operating and control scheme is to maintain a match between the system`s overall real-power load and generation. To accurately maintain this match, modern energy management systems require estimates of the future total system load. Several strategies and tools are available for estimating system load. Nearly all of ...

The adoption of the International Celestial Reference System MRS based on VLBI observations of extragalactic radio sources, by the International Astronomical Union (IAU), since 1st January 1998, has open a new era for astronomy. The MRS and the corresponding frame ICRF replaced the FK5 based on positions and proper motions of bright stars. According to its definition, the MRS is such that the ...

The progresses in the solar neutrino experiments and the more precise determination of neutrino mass parameters by means of reactor neutrino experiment allow for the possibility to exploiting neutrinos to study the solar interior. Therefore, it will be possible to check the solar model and, more in general, to better understand the evolution of low mass stars. To reach this ...

The electron energy distribution index, p, is a fundamental parameter of the process by which electrons are accelerated to relativistic speeds and by which they radiate, via synchrotron emission. This acceleration process is applicable to a myriad of astronomical sources, from jet sources such as AGN, X-ray binaries and gamma-ray bursts, to particle ...

In situ combustion measurements of water vapor concentration and gas temperature were carried out with a new tunable diode laser sensor near 2.5 �m. Recent availability of room-temperature semiconductor diode lasers operating at longer wavelengths provides access to fundamental vibrational bands (?1 and ?3) of H2O. These bands have stronger absorption line strength compared ...

Single molecule fluorescence microscopy is a relatively novel technique that is used, for example, to study the behavior of individual biomolecules in cells. Since a single molecule can move in all three dimensions in a cellular environment, the three dimensional tracking of single molecules can provide valuable insights into cellular processes. It is therefore of importance to know the accuracy ...

The genomic revolution in medicine has not escaped attention of clinicians and scientists involved in medical management and research studies of immune thrombocytopenic purpura (ITP). In principle, ITP biology and care will benefit greatly from modern methods to understand the patterns of gene expression and genetic markers associated with fundamental ...

Accurate characterization of biomechanical characteristics of the vocal fold is critical for understanding the regulation of vocal fundamental frequency (F(0)), which depends on the active control of the intrinsic laryngeal muscles as well as the passive biomechanical response of the vocal fold lamina propria. Specifically, the tissue stress-strain ...

Accurate characterization of biomechanical characteristics of the vocal fold is critical for understanding the regulation of vocal fundamental frequency (F₀), which depends on the active control of the intrinsic laryngeal muscles as well as the passive biomechanical response of the vocal fold lamina propria. Specifically, the tissue ...

While the classical nucleation theory (CNT) is widely used to predict the rate of first-order phase transitions, its validity has been questioned due to discrepancies with experiments. We systematically test the individual components of CNT by computer simulations of the Ising models and confirm its fundamental assumptions under a wide range of conditions ( h=0.01-0.13J , ...

We have analyzed the double-lined eclipsing binary system OGLE-051019.64-685812.3 in the LMC which consists of two G4 giant components with very similar effective temperatures. A detailed analysis of the Optical Gravitational Lensing Experiment I-band light curve of the system, radial velocity curves for both components derived from high-resolution spectra, and near-infrared magnitudes of the ...

The spectrum of D[sub 3][sup +] is analyzed using a spectroscopically determined effective H[sub 3][sup +] potential [B. M. Dinelli, S. Miller, and J. Tennyson, J. Molec. Spectrosc. 163, 71 (1994)] and an accurate [ital ab] [ital initio] potential [G. C. Lie and D. Frye, J. Chem. Phys. 96, 6784 (1992)]. Calculations suggest that the major error in the potential of Lie and Frye ...

The U.S. Army has a need for continuous, accurate estimates of the wet bulb globe temperature to protect soldiers and civilian workers from heat-related injuries, including those involved in the storage and destruction of aging chemical munitions at depots across the United States. At these depots, workers must don protective clothing that increases their risk of heat-related ...

The U.S. Army has a need for continuous, accurate estimates of the wet bulb globe temperature to protect soldiers and civilian workers from heat-related injuries, including those involved in the storage and destruction of aging chemical munitions at depots across the United States. At these depots, workers must don protective clothing that increases their risk of heat-related ...

A modified Rigrod theory that uses a nonhomogeneous gain saturation law is used to model outcoupled, total, and intracavity power from a high-gain and a low-gain cw HF chemical laser with good accuracy. The homogeneous gain saturation law is found to have significant limitations when used to model total power data over a wide range of threshold gain values. The use of a nonhomogeneous gain ...

Mercury capture by coal-combustion fly ash is a function of the amount of Hg in the feed coal, the amount of carbon in the fly ash, the type of carbon in the fly ash (including variables introduced by the rank of the feed coal), and the flue gas temperature at the point of ash collection. In their discussion of fly ash and Hg adsorption, Lu et al. (Energy Fuels 2007, 21, 2112-2120) had some ...

Thoracic Aortic Aneurysm (TAA) is a localized swelling of the thoracic aorta. The progressive growth of an aneurysm may eventually cause a rupture if not diagnosed or treated. This necessitates the need for an accurate measurement which in turn calls for the accurate segmentation of the aneurysm regions. Computer Aided Detection (CAD) is a tool to ...

Recent development in noise control using T-shaped acoustic resonators calls for the development of more reliable and accurate models to predict their acoustic characteristics, which is unfortunately lacking in the literature. This paper attempts to establish such a model based on three-dimensional theory for T-shaped acoustic resonators containing sound absorption materials. ...