... Title : BRIGHTNESS OF TWILIGHT SKY IN THE SOLAR VERTICAL, TAKING INTO ACCOUNT SECONDARY SCATTERING. ...

It has been suggested that one of the purposes of archival description is to establish grounds for presuming the authenticity of the records being described. The article examines the implications of this statement by examining the relationship between and among authenticity, archival description, and archival accountability, assessing how this relationship is made manifest in ...

... Title : Vertical Correlations and Anti-Correlations in Multi-Layered Arrays of ... The existing theory explaining well the correlation accounts the strain ...

Computational formulas and numerical values are reported for the natural illumination on vertical interior surfaces, taking into account the nonuniform distribution of sky brightness.

absorption within cirrus clouds by accounting for particulate morphology and orientation, size distribution, and vertical inhomogeneity of ice crystals. ...

A single station vertical velocity equation which considers ageostrophic and diabatic effects derived from the first law of thermodynamics and a generalized thermal wind relation is presented. An analysis and verification procedure which accounts for meas...

In this paper, some simple parameterizations to account for the different stratification inside clouds are presented. These parameterization are used to modify the so-called Louis scheme, which is a first-order, local-vertical diffusion scheme. The basic ...

... Vertical correlations and anti-correlations in multi-layered arrays of 2D ... islands [5-7]. The existing theory explaining well the correlation accounts the ...

For an isochronous cyclotron with AVF focusing, vertical stability in thhe central region is difficult to attain. Magneticfield laws thhat maintain vertical focusing by departing from isochronism are calculated; the electric focusing force and also the various starting phases of the ions are taken into account. (auth)

A three-dimensional numerical model for seasonal heat storage in the ground by vertical heat exchanger pipes is presented. The model also accounts for convective heat flows in the ground. The storage is employed in a district solar heating system with a h...

The microhabitats within the desert habitat vary by soil type and micro climate. These differences account for the different types of vegetation in each microhabitat.

Second, if NASA flies the Shuttle until 20 12, stretching some of the remaining ..... color that tells something about the lateral and vertical heterogeneity of ..... accounting from previous years gave the appearance of a large jump in ...

A quasi-two-dimensional analytical model is developed to account for vertical and horizontal current

Net vertical forces exerted on a mass at the ends of the elongated asteroids Eros and Geographos are calculated, taking into account nonspherical shape and rotation. The net downward forces are found to be substantially smaller, and man's safety and mobil...

As is generally known, when the influence of the terrain relief upon the readings of gravimeters is taken into account, then the region surrounding the points of observation should be divided into several elementary sections. The vertical component of att...

computeCornerPoints() which does not take into account vertical exaggeration. This prevent higher res levels from being loaded since the eye cannot get ...

Sum rules for multipomeron inclusive vertices'' are obtained. Sum rules for the correlation function with account of the multipomeron exchanges are studied. It is shown that the sum rules for inclusive vertices'' provide self- consistency of those for the correlation function. (auth)

A theory suitable for digital computation was developed that accounts for the main features of the performance of the NRC vertical axis wind turbine. The theory takes into account the curved blade shape and the effects of airfoil stalling on performance. A comparison is made between theoretical and experimental power coefficient and ...

Profiles of salinity and potential temperature in the deep ocean are presented which suggest the characteristic signature of two complementary mixing processes: vertical mixing within approx.50-m-thick layers at boundaries and topographic features and lateral advection and eventual smearing of these mixed layers along iopyenal surfaces. The combined effect of these two ...

In considering the structure and dynamics of complex networks, we usually deal with degree distributions, clustering, shortest path lengths and other graph properties. Although these concepts have been analysed for graphs on abstract spaces, many networks happen to be embedded in a metric arrangement, where the geographical distance between vertices plays a crucial role. The ...

We solve the vertical structure equations for a standard ? -disk and compare the results with those obtained by an independent method (Ketsaris & Shakura 1998). On the basis of the numerical solutions for the vertical structure we obtain analytic radial dependences for the physical parameters of the disk. For a disk consisting of fully ionized ...

A Pacific Environmental Services Inc. inventory of anthropogenic source of volatile organic compounds (VOC) and nitrogen oxides in Hillsborough and Pinellas counties, Fla., has shown that for 1976, mobile sources as a whole accounted for 64Vertical Bar3< of reactive VOC emissions. Highway vehicles accounted for ...

The vertical diffusion of a passive tracer released from surface and elevated sources in a neutrally-stratified boundary layer has been studied by comparing field and laboratory experiments with a non-Gaussian K-theory model that assumes power-law profiles for the mean velocity and vertical eddy diffusivity. Several important differences between model ...

In response to requirements in the No Child Left Behind Act (NCLB), state policymakers have made concerted efforts to align state standards with state accountability assessments. When strongly aligned and articulated, state standards and assessments can provide a clear and coherent set of expectations for students and educators. How do districts ensure that what is taught and ...

Operation of a waste disposal system for oceanic dispersion offered an opportunity to develop a mathematical model of dispersion behind a moving barge. The model takes into account the vertical temperature-density structure of the ocean, and the density and settling characteristi...

It is shown how problems involving time-dependent fields can be solved taking into account displacement currents and induction (non-potential) fields, as well as the anisotropy and frequency dependence of the complex ionospheric conductivity. Results refe...

The wind-shear theory of the formation of temperate-zone sporadic E layers is extended to take into account effects associated with a neutral wind profile having a descending phase velocity. It is shown that layers of long-lived ions (presumably of meteor...

An empirical equation is derived for determining the length of the critical zone above which the effect of free convection must be taken into account in calculating coefficients of heat transfer in vertical pipe flows of aromatic hydrocarbons at supercritical pressures.

An evaluation of the moisture budget in the environment of convective storms is presented by using the unique 3- to 6-h rawinsonde data. Net horizontal and vertical boundary fluxes accounted for most of the large amounts of moisture which were concentrate...

Considering that a relative positioning accuracy of (+-)0.09mm in the lateral direction and (+-)0.07mm in the vertical direction has been achieved, and taking into account the standard deviation for the determination of the magnetic center versus the mech...

The existence of a close correlation between the atmospheric electric field and geomagnetic pulsations in the range of Pc 2-4 is demonstrated experimentally and theoretically (from the horizontal propagation of pulsations). The need to take this into account in any geological-geophysical interpretation of experimental data is stressed.

Vertical profiles of hydrocarbon densities in the Titan's atmosphere were obtained by means of a theoretical model taking into account condensation, photochemical and dynamical processes and using a fixed aerosols distribution. The model is developed for ...

A model is developed to account for regional scale vertical transport of pollutants from the mixed layer to the overlying free troposphere by an ensemble of non-precipitating cumulus convective clouds. The model determines acceptable cloud classes for giv...

An approximate but efficient technique is presented that accounts for vertical polarization and rough surface effects over the sea for ducting conditions using the split-step, parabolic equation method. The primary justification for this semi-empirical te...

A model is developed to account for regional scale vertical transport of pollutants from the mixed layer to the overlying free troposphere by an ensemble of non-precipitating cumulus convective clouds. The model determines acceptable cloud classes for given atmospheric state repr...

The National Historic Preservation Act requires land-managing agencies to identify and account for their impacts on archaeological resources. Regulatory agencies that oversee compliance with historic preservation legislation frequently assume military training adversely affects archaeological resou...

CTD data from the California Current System are analysed in terms of both empirical orthogonal functions (EOFs) and quasigeostrophic vertical modes (QGMs). A single EOF accounts for about 97% of the total variance in hydrostatic pressure perturbations to ...

Developing the idea of fast particle mixing due to a strong nonlinearity of the beam--beam interaction, the distribution function of the weak bunch in the phase space of vertical motion is found. The features of this distribution are discussed and compared to the Gaussian one.

We have developed a computer model of geomagnetic vertical cutoffs applicable to the orbit of the International Space Station. This model accounts for the change in geomagnetic cutoff rigidity as a function of geomagnetic activity level. This model was de...

The distribution of weight by component in three existing vertical axis wind turbines is briefly tabulated. An approach is given for studying Darrieus machine element weights, accounting for the several possible operating regimes and the maximum forces ge...

Lagrangian stochastic modeling based on the Langevin equation has been shown to be useful for simulating vertical dispersion of trace material in the convective boundary layer or CBL. This modeling approach can account for the effects of the long velocity...

A mathematical model which takes full account of the three-dimensionality of the flow and pollutant concentration fields is presented. It is based on the solution of the momentum equations governing the flow, in the lateral, vertical, and longitudinal dir...

Experimentation showed that the rate of ethylene production from Coleus blumei Benth. plants placed in a horizontal position was higher than from those in a vertical position, and that the increased rate of ethylene production probably accounts for the in...

The response function of the railway track due to a traveling vertical point load running over the track with constant velocity is calculated. The rail is modeled as a Euler beam. The most important feature of the study is that the traveling of the load is fully taken into account. The complex Fourier transform is used. The response is specialized to the ...

The motion of a ball rolling without slipping on the lateral section inside a fixed vertical cylinder is analysed in the Earth referential frame which is assumed to be Galilean. Equations of motion are rapidly obtained and the golf ball paradox is understood: these equations describe a motion consisting of a vertical harmonic oscillation related to a ...

An analysis is performed to obtain the nonsimilar solution of an unsteady laminar mixed convection on a continuously moving vertical plate by taking into account the effect of viscous dissipation. The unsteadiness is introduced by the time-dependent velocity of the vertical plate as well as that of the free stream. The governing ...

A bibliography of the literature pertinent to vertical tube heat exchangers for OTEC application has been prepared. More than 200 references from different sources (journals, books, companies and government reports) on heat exchanger design, operation and performance have been identified and surveyed for a two part report on the state-of-the-art of ...

This paper presents screening criteria for vertical and horizontal wells with or without induced fractures. The parametric basis of such screening makes the decision on either type of well more objective. A simple procedure to calculate the optimum number of orthogonal transverse fractures in horizontal wells and their sizes is also presented. Two important comparisons have ...

An approach to the eta..-->..3..pi.. decays based on eta-..pi../sup 0/ mixing and resonant final-state interactions is presented. It successfully accounts for the experimental data and circumvents the difficulties of the traditional (current-algebra) approach. The value for the G-parity-violating coupling constant Vertical Barg/sub ...

A simplified model of the vertical structure of accretion disks is derived. Analytical expressions for the temperature and density structure, which represent a generalization of the gray model long known in the theory of classical stellar atmospheres, are presented. The formalism naturally explains similarities and differences between the structure of a disk and a stellar ...

A linear, stationary internal wave model is used to determine the vertical propagation of gravity waves produced by submerged, moving bodies in a stratified fluid. The turbulent wake generated by the moving object is taken into account parametrically. If ...

not satisfactory to make a critical vertical handoff decision, as these techniques do not take into account preferences. Hou et al [7] suggests a pure fuzzy logic based decision making algorithm using dynamic set based decision framework that enables MS to make intelligent handoff decision based on multi

The sulphation characteristics of limestone/dolomite sorbents in a vertical pneumatic transport reactor operated with or without the spent sorbent recycle were examined. Experiments were carried out in a 25.4 cm pilot-scale reactor where limestone/dolomite reacted with SO/sub 2/ generated from coal combustion. A mathematical model is used to account for ...

University Fairfax, Virginia Corresponding author's address: V. Krishnamurthy COLA, IGES 4041 Powder Mill of horizontal winds and pressure vertical velocity at ten vertical levels for the period 1958-2001, two leading) and precipitation in earlier studies. The wind oscillations also account for the active and break phases

Generalized Lorenz models and their routes to chaos. I. Energy-conserving vertical mode truncations�Be�nard convection can be approximated by the Lorenz model, which was originally derived by taking into account only and several different methods of selecting Fourier modes have been proposed. In this paper, generalized Lorenz

The present analysis is concerned with flow reversal phenomena of the fully-developed laminar combined free and forced MHD convection in a vertical parallel-plate channel. The effect of viscous dissipation is taken into account. Flow reversal adjacent to the cold (or hot) wall is found to exist within the channel as Gr/Re is above (or below) a threshold ...

Accounting for the lattice discreteness and the sheath electric field nonlinearity in dusty plasma crystals, it is demonstrated that highly localized structures (discrete breathers) involving vertical (transverse, off-plane) oscillations of charged dust grains may exist in a dust lattice. These structures correspond to either extremely localized bright ...

The paper deals with numerical simulation of plasma vertical position stabilization in ITER. The calculations are performed using EDDY C-2 code by the method of direct numerical simulation of transient electromagnetic processes taking into account the evo...

Atmospheric vertical winds can be attributed to barometric, divergent, and nonhydrostatic motions. Barometric and divergent effects are modeled well by most contemporary general circulation models (GCMs), while nonhydrostatic effects are not accounted for in "hydrostatic" GCMs. In particular, in times of enhanced high-latitude energy input by Joule heating ...

A mathematical model describing the steady state flows in a forced gradient tracer test between an injection and pumping borehole in a multilayered sandstone aquifer has been developed that includes the effect of vertically variable background heads. A second model describing the recovery of tracer from a layer in which there are discharges due to vertical ...

Cuttlefish change their appearance rapidly for camouflage on different backgrounds. Effective camouflage for a benthic organism such as cuttlefish must deceive predators viewing from above as well as from the side, thus the choice of camouflage skin pattern is expected to account for horizontal and vertical background information. Previous experiments ...

Growth rates of the axisymmetric mode in vertically elongated plasmas in the Tokamak a Configuration Variable (TCV) are measured and compared with numerically calculated growth rates for the reconstructed equilibria. This comparison is made over a range of discharge parameters including elongation, triangularity and vertical position within the vacuum ...

The dispersion of light inertial particles [?p/?f=(1)] in statistically stationary stably stratified turbulence is studied by means of direct numerical simulations. The light particle dispersion behavior is found to be comparable to that of heavy particles when displayed as a function of the Stokes number. Deviations from fluid particle dispersion are found already for small Stokes numbers; the ...

Perfluorocarbon tracer concentration profiles measured by aircraft 600--900 km downwind of the release locations during CAPTEX are discussed and compared with some model results. In general, the concentrations decreased with height in the upper half of the boundary layer where the aircraft measurements were made. The results of a model sensitivity study suggested that the shape of the profile was ...

Closed-loop thermosyphons are pipe networks in which the flow is due to simultaneous heating and cooling of different sections of the pipe network. Thermosyphons are commonly modeled one-dimensionally, where wall shear is accounted for by a friction factor. When the heat transfer passages of a thermosyphon are oriented vertically, buoyancy drastically ...

The concept of dynamic vertical scaling (DVS) from longitudinal point of view has been proposed as comparing to traditional vertical scaling or static vertical scaling (SVS) from cross-sectional perspective. The effects of differences between DVS and SVS on large-scale student achievements have been investigated. The potential ...

An over-all demand growth of 2-3Vertical Bar3accounting for the major growth prospect. According to J.P. Bartels (Natl. Lime Assoc.), who believes that lime is the preferred chemical in pollution control, demand for an additional 10 million tons of lime for FGD is ...

The author looks at the question of the height of the ionosphere in the equatorial region, and its relationship to spread F. Model calculations indicate that transequatorial thermospheric winds are a factor in influencing the ionospheric height, particularly in evening hours. Taking into account thermospheric winds, in inferring electric field strengths in order to ...

An account of peculiar light patterns produced by reflection in a pool under falling rain droplets was recently reported by Molesini and Vannoni (2008 Eur. J. Phys. 29 403-11). The mathematical approach, however, only covered the case of a symmetrical location of a light source and the observer's eyes with respect to the vertical of the falling droplet. ...

Examines the role of accounting calculations in reorganizing manufacturing capabilities of a vertically integrated global retailing company. Introducing teamwork to replace line work extended traditional, hierarchical management control systems. Teamwork's self-managing demands contravened workers' established sense of self-identity as "machinists" and ...

The purpose of this study was to examine the relationship between vertical teaming in science and student achievement. This study compared student achievement of campuses implementing vertical teaming with schools that do not practice vertical teaming. In addition, this study explored the relationship between selected demographic ...

The purpose of this study was to examine the relationship between vertical teaming in science and student achievement. This study compared student achievement of campuses implementing vertical teaming with schools that do not practice vertical teaming. In addition, this study explored the relationship between selected demographic ...

Complex nature of foraging behaviour of zooplankton makes it difficult to describe adequately zooplankton grazing in models with vertical space. In mean-field models (based on systems of PDEs or coupled ODEs), zooplankton feeding at a given depth is normally computed as the product of the local functional response and the zooplankton density at this depth. Such simplification ...

Successful thermal recovery processes require injection rates which in some reservoirs are attainable only by fracturing the formation. To increase understanding of thermal processes in fractured systems, 3 new analytical models are developed which relate temperature as a function of time and position to injection conditions and reservoir characteristics. The model for hot-water injection into a ...