... much and instead are likely to accelerate extinctions. Keywords: paleontology, evolution, mammals, scientific method, climate Despite all the arguments over semantics, evolution a fact. It is a fact in .....

We give here an ordered list of all types of particle accelerators and exhibit how each type evolves conceptually and/or technologically from the preceding. This is in contrast to the usual �history of particle accelerators" in which unrelated accelerator types are listed in the chronological order. It is hoped that this discussion ...

Horizontal Gene Transfer (HGT) Greatly Accelerates Genome Evolution and Innovation : ... Gene structure prediction in syntenic DNA segments. ...

... trophic mode and maternal provisioning of nurse eggs. Accelerated growth ... heterochrony in life-history evolution (Ryan and Semlitsch 1998), which is ... ...

... A. Dover. 1988. Complete sequences of the rRNA genes of Drosophila melanogaster. Mol. ... for the evolution of sex. Proc. R. Soc. Lond. B 266:791�797. ... ...

Understand how CMEs are heated and accelerated, and define their role in the evolution of the solar magnetic field. ... suprathermal velocity filtration ...

The Boltzmann equation takes into account the self-consistent evolution of the E and B fields through the appearance of the acceleration term a. ...

for effective oxygen evolution (OER). Develop accelerated aging tests. Demonstrate improved OER catalyst lifetime and stability. ...

... Abstract : The semiconductor industry is under pressure, thus accelerating the industry evolution from vertical integration to specialization and ...

... weeks to months in most homosporous ferns,is highly accelerated and reduced to one to two days in ... ...

A review is given of the characteristics of proton synchrotrons, isochronous cyclotrons, storage rings, and linear accelerators, with emphasis on focusing, targets, domains of operation, accelerating properties, and stateof-the- art. (T.F.H.)

This paper considers the historical evolution of the concept of optimisation of radiation exposures, as commonly expressed by the acronym ALARA, and discusses its application to various aspects of radiation protection at high-energy accelerators. PMID:19783841

Since acceptance of the 25URC accelerator in 1982, we have continued to develop and improve both the accelerator control system and associated software. In this paper, we describe these improvements and also discuss how our experience with the present sys...

We study the evolution of the longitudinal phase space during acceleration from 0.797-7.3 GeV in the LAMPF II booster. This machine is planned to accelerate 150 mu A of protons using a 60 Hz repetition rate. A multiparticle simulation program was used to ...

Aims:The temporal evolution of the Pioneer anomalous acceleration is studied to determine its correlation with solar activity. Methods: Bayesian Weighted Least Squares algorithms and Kalman filters are used to study the temporal evolution of the Pioneer anomalous acceleration. Doppler data for Pioneer 10 and 11 ...

This paper shows that the evolution of a quantum state, driven by a harmonic oscillator type Hamiltonian, can be studied by using tools exploited to characterize the evolution of a charged beam in a transport channel. Within the framework of accelerator p...

The newest particle accelerators are almost always built for extending the frontiers of research, at the cutting edge of science and technology. Once these machines are operating and these technologies mature, new applications are always found, many of which touch our lives in profound ways. The evolution of accelerator technologies ...

A self-consistent system of interacting nonlinear spinor and scalar fields within the scope of a Bianchi type-I cosmological model filled with perfect fluid is considered. Exact self-consistent solutions to the corresponding field equations are obtained. A role of the spinor field in the evolution of the Universe is studied. It is shown that the spinor field gives rise to an ...

Accelerated evolution of SIV env within the cerebral compartment in the setting of morphine Morphine Macaque Human immunodeficiency virus-1 (HIV-1) and simian immunodeficiency virus (SIV) have been viral evolution in the cerebral compartment of morphine-dependent and control macaques to determine its

The perspective of accelerator developoment is set, and some of the remaining problems are indicated. Discussion is given on the 4, 25, and 40 Mev accelerators and the klystron. The machines described are not immediately useful for clinical work, but they illustrate what can be done using klystrons. Particular attention is given to the problem ...

Progress in electronic power conversion technology is making possible a new class of induction linacs that can operate at extremely high repetition rates. Advances in insulator technology, pulse forming line design and switching may also lead to a new type of high current accelerator with accelerating gradients at least an order of magnitude greater than ...

The evolution of the longitudinal phase space was studied during acceleration from 0.797-7.3 GeV in the LAMPF II booster. This machine is planned to multiparticle simulation program was used to model the acceleration with space charge included. The bunch population of 2.5 x 10 ti tge 11th protons was represented by 1000 macroparticles. ...

CAPTURE-SPC is a Monte-Carlo-based tracking program that simulates the injection and acceleration processes in proton synchrotrons. The time evolution of a distribution of charged particles is implemented by a symplectic, second-order-accurate integration...

A brief review of the development of accelerators is given from Cockcroft-Walton through the SSC. The usefulness of colliding beam devices is highlighted. (AIP) [copyright] 1995 [ital American] [ital Institute] [ital of] [ital Physics].

In this lecture I would like to trace how high energy particle accelerators have grown from tools used for esoteric small-scale experiments to gigantic projects being hotly debated in Congress as well as in the scientific community.

A preliminary analytic study of the temporal evolution of the beat wave accelerator (BWA) has been conducted. It was found that while energy cascading is crucial to the interpretation of current simulations, it will be less important in an actual device where the existing simple fluid model will be adequate.

Computer simulations are used to investigate the evolution of longitudinal density and energy modulations of an electron beam in a linear accelerator system. This study examines the effect of initial energy spread on the modulations as the beam is accelerated in the electron gun.

Computer simulations are used to investigate the evolution of longitudinal density and energy modulations of an electron beam in a linear accelerator system. This study examines the effect of initial energy spread on the modulations as the beam is accelerated in the electron gun.

The evolution of a tandem accelerator /sup 14/C dating system at Chalk River is recounted. Background problems and sources of instability are discussed and solutions are described. Details of sample chemistry and source preparation are presented.

... maintain swimming speed, or moderate to large amplitude axial undulations that continue to accelerate the fish. Fast starts are rapid and fast: peak acceleration can ... ...

A physical mechanism of flares, in particular for the flare rise phase, has emerged from our 2-1/2-dimensional resistive MHD simulations. The dynamical evolution of current-sheet formation and magnetic reconnection and flux-rope acceleration subject to co...

The skewness of the envelope function of 20 - 100 femtosecond Ti:sapphire laser pulses has been controlled by appropriate choice of the higher order special phase coefficients, and used for optimization of a plasma wakefield electron accelerator.

A review is given of energy cascading in the beat-wave accelerator. The properties of the electromagnetic cascade and the corresponding plasma-wave evolution are well understood within the framework of an approximate analytic model. Based on this model, i...

wander like random walks clear across the universe. It is this fact that guarantees that some cosmic strings will still be present at any time after they ...

... a acceleration of a falling sea spray droplet a, 0,ts/e,,t, the water activity of an aqueous solution B function of r,) in the spray generation function of ...

... Small Auroral Substorm as Viewed from High ... IOWA CITY DEPT OF PHYSICS AND ASTRONOMY. ... acceleration along magnetic field lines threading ...

... so that final system temperature is dominated by the Galactic background ... areas have been identified for the LWA: cosmic evolution, the acceleration ...

The evolution of the spin during acceleration in the Relativistic Heavy Ion Collider (RHIC) has been studied with a new numerical code, Spink. Results of spin tracking through resonances are shown.

exponent. It is seen from Fig. (4) that the largest Lyapunov exponent is positive for almost all the values of g used here; ...

Mar 15, 1999 ... Diamond CVD: Origin, Evolution and some Future Prospects ... which provides both the acceleration of the diamond growth and the selectivity ...

This is a short paper summarizing a presentation of the evolution of the Fermilab program for the next five to ten years. Emphasis is given to the Fermilab accelerator complex, but external collaboration is emphasized.

An explosive reconnection process associated with the nonlinear evolution of the coalescence instability is found through studies of the electromagnetic particle simulation and the magnetohydrodynamic particle simulation. The explosive coalescence is a pr...

... 4 more fast moving ions in the center of the acceleration channel than at the inner and outer regions. The relative width of the VDF axial main peak ...

... not withstand Bonferroni correction, the number of significant tests clearly ... accelerated development from metamorphosis to adulthood (Fig. 5). Across ... ...

a Tata Institute of Fundamental Research, Bombay, India, akr@tifr.res.in, b Thomas Jefferson National Accelerator Facility, Newport News, VA, USA, ...

... with uncorrelated and autocorrelated disturbances. Both movement strategies offer advantages over sedentary life histories by allowing colonization ... accelerates local adaptation. In disturbed environme...

The evolution of composites applications in aeronautics from 1970 to the present is discussed. The barriers and challenges to economic application and to certification are presented and recommendations for accelerated development are outlined. The potenti...

The evolution of the auroral electron distribution function as the electrons traverse a region of plasma turbulence is discussed. Electron measurements are used to illustrate that if the energy densities of the waves associated with the turbulence are dis...

, cow Bos taurus, pig Sus scrofa, horse Equus caballus, mouse M. musculus, and rat Rattus norvegicus

Then we viII consider how game-changing technologies - in particular Synthetic Biology - could accelerate the pace of sociocultural evolution and ...

... and latitude if higher metabolic rates facilitate more �accelerated� life histories (McNab 1980), such that selection favors higher ... unordered maximum parsimony reconstruction of diet evolution. Random...

for combating the spread of antibiotic resistance. adaptation antagonism synergy antibiotics antibiotic resistance Challenged by rapid emergence of drug-resistant pathogens and limited supply of new antibiotics the evolution of these populations over 170 generations (Fig. 2). The degree of antibiotic resistance acquired

Electron clouds in accelerators such as the ILC degrade beam quality and limit operating efficiency. The need to mitigate electron clouds has a direct impact on the design and operation of these accelerators, translating into increased cost and reduced performance. Diagnostic techniques for measuring electron clouds in accelerating ...

. 2005). Theory suggests that evolution of rapid reproductive isolation based on different mu- tations selection. "Good genes" models of mate choice evolution predict more rapid adaptive evolution of mating-genes" models predict accelerated evolution of rapid mating in "Young Polygamy" lines, ...

We study the evolution of complex dynamics in a model of a genetic regulatory network. The fitness is associated with the topological entropy in a class of piecewise linear equations, and the mutations are associated with changes in the logical structure of the network. We compare hill climbing evolution, in which only mutations that increase the fitness ...

Experiments and numerical simulations are performed on the Rayleigh-Taylor instability with a complex acceleration history g(t) consisting of consecutive periods of acceleration, deceleration, and acceleration. The dominant bubbles and spikes that grow in the initial unstable phase are found to be shredded by the trailing structures ...

The creation and destruction of entanglement between a pair of interacting two-level detectors accelerating about diametrically opposite points of a circular path is investigated. It is found that any nonzero acceleration has the effect of suppressing the vacuum entanglement and enhancing the acceleration radiation, thereby reducing ...

The creation and destruction of entanglement between a pair of interacting two-level detectors accelerating about diametrically opposite points of a circular path is investigated. It is found that any nonzero acceleration has the effect of suppressing the vacuum entanglement and enhancing the acceleration radiation, thereby reducing ...

The Department of Physics at the United States Military Academy owns and operates an HVEC LC-400 Van de Graaff accelerator. After a few years of limited use, interest among the faculty in the accelerator as a learning tool increased. Four cadets responded to an offer for independent study with the accelerator. The cadets were tasked to ...

We study the evolution of the longitudinal phase space during acceleration from 0.797-7.3 GeV in the LAMPF II booster. This machine is planned to accelerate 150 ..mu..A of protons using a 60 Hz repetition rate. A multiparticle simulation program was used to model the acceleration with space charge included. The ...

We study the evolution of the longitudinal phase space during acceleration from 0.797-7.3 GeV in the LAMPF II booster. This machine is planned to accelerate 150 /sigma phi/A of protons using a 60 Hz repetition rate. A multiparticle simulation program was used to model the acceleration with space charge included. ...

We use high time cadence images acquired by the STEREO EUVI and COR instruments to study the evolution of coronal mass ejections (CMEs) from their initiation through impulsive acceleration to the propagation phase. For a set of 95 CMEs we derived detailed height, velocity, and acceleration profiles and statistically analyzed ...

and acceleration of the solar wind Sunny W. Y. Tam and Tom Chang Center for Space Research, Massachusetts Institute on the solar wind using a global hybrid model. The model follows the evolution of the particle dis- tributions. This represents the "first results" of global evolutionary study of the solar wind that take into account

An analysis is made of the evolution of a flow of a viscous incompressible liquid from the state of rest in a circular cylindrical pipe with a constant pressure gradient. An expression is obtained which relates the tangential friction stress at an arbitrary point of the flow to the pressure gradient and to the ratio of the mean flow accelerations ...

Accelerating Evolution by Direct Manipulation for Interactive Fashion Design Jong-Ha Lee, Hee the ability of global search to the original operators. We have applied the DM concept to the fashion design interface to a fashion design aid system based on IGA and had some experiments. 2. Fashion design system

We review our recent results on particle acceleration in shocks [1], in reconnection [2] and via wave-particle interactions in microinstabilites [3]. After reviewing the fundamental issues in particle acceleration in the three classes of problems mentioned above, we focus specifically on the interactions of waves and particles during the ...

Given the evolution of aeronautical techniques, human tolerance of acceleration is threatening to become a limiting factor in the use of combat aircraft. Among the many systems and different methods suggested to increase tolerance of longitudinal accelera...

The main objective of this chapter is to provide an overall perspective on the historical evolution of induction accelerator technology, and the applications that motivated its initial development. Understanding the context of these early developments might help the reader appreciate why particular technical approaches were followed in the past, and why ...

In order to account for the observed cosmic acceleration, a modification of the ansatz for the variation of density in Friedman�Robertson�Walker (FRW) FRW models given by Islam is proposed. The modified ansatz leads to an equation of state which corresponds to that of a variable Chaplygin gas, which in the course of evolution reduces to that of a ...

Since acceptance of the 25URC accelerator in 1982, we have continued to develop and improve both the accelerator control system and associated software. In this paper, we describe these improvements and also discuss how our experience with the present system would influence the architecture and design of future, similar systems.

The spectra of high-energy protons and nuclei accelerated by supernova remnant shocks are cal-culated taking into account magnetic field amplification and Alfvenic drift for different types of supernova remnants during their evolution. The maximum energy of accelerated particles may reach 5 � 101 8eV inT ypeIIbSN Rs.T ...

of those offices. The main thrust areas of this project are: � Beam Dynamics (BD): The evolution of beams): Simulate the dynamical friction of ions in relativistic copropagating electron beams to assess are common to beam propagation in cavities and advanced acceleration, electron cooling is needed for heavy

The nonlinear evolutions of the Rayleigh-Taylor instability (RTI) with preheat is investigated by numerical simulation (NS). A new phase of the spike deceleration evolution in the nonlinear ablative RTI (ARTI) is discovered. It is found that nonlinear evolution of the RTI can be divided into the weakly nonlinear regime (WNR) and the ...

Dramatic evolutionary changes occur in species isolated on islands, but it is not known if the rate of evolution is accelerated on islands relative to the mainland. Based on an extensive review of the literature, I used the fossil record combined with data from living species to test the hypothesis of an accelerated morphological ...

We study the evolution of an accelerating hyperrelativistic shock under the presence of upstream inhomogeneities wrinkling the discontinuity surface. The investigation is conducted by means of numerical simulations using the PLUTO code for astrophysical fluid dynamics. The reliability and robustness of the code are demonstrated against well-known results ...

The MUSE-4 experiment, dedicated to the Accelerator Driven System (ADS) development studies, was achieved in the MASURCA nuclear reactor facility from 2000 to 2004. An external neutron source was introduced in a lead buffer zone located at the centre of the reactor core in order to simulate the spallation source. This paper deals with the GENEPI ...

This paper describes a major new technology supporting the further evolution of accelerators: superconducting radio frequency (SRF) technology, which is today on the verge of large-scale application in accelerators. Originally foreseen in the early 1960s as a promising technology, SRF only recently has overcome several technological ...

We report the observation of Quantum Accelerator Modes (QAM) for cold Rb-87 atoms. Quantum accelerator modes are produced by the diffraction of atomic De Broglie waves. When a standing light wave which acts as a thin phase grating is produced, a group of atoms that have certain initial velocity gets accelerated. The momentum gained by ...

The evolution of the spectrum of particles subjected to stochastic second-order Fermi acceleration is studied, and an explicit solution of the differential equation controlling the particle population is presented in a closed form. The solution exhibits a very fascinating property in that the spectrum progressively flattens toward a power law in energy. ...

for creation of autonomous robots based on the mechanism of Darwinian evolution. In the conventional evolutionary robotics, the "simulate-andtransfer " method has been adopted. We believe that the most likely candidate methodology in evolutionary robotics for near future is "Situated and Embodied Evolution", in which real robots in real world evolve based ...

Evolution is a multi-level process. Both actual evidence and theoretical considerations suggest as a first generalization that evolution both at single levels and in series of increasingly complex levels decelerates with time. Additional evidence, the expected difference between rapid nonadaptive speciation in small populations and effective adaptation in ...

We have employed magnetohydrodynamic (MHD) simulations to study the dynamics of shocks in a solar minimum-like corona caused by an erupting coronal mass ejection (CME). Our simulations show that a highly non-trivial evolution of the shock properties on coronal field lines occurs even for simple coronal conditions. By comparing with recent test particle simulations of an ...

Numerical calculations of synchrotron radiation emitted from the NRL modified betatron accelerator show that, for relativistic electron energies up to approximately 2 MeV, the single particle intensity spectrum is characterized by a peak at the Doppler-shifted cyclotron frequency associated with applied toroidal field. Measurements of the radiation using fixed-frequency ...

The highly nonlinear evolution of the single-mode Rayleigh-Taylor instability (RTI) at the ablation front of an accelerated target is investigated in the parameter range typical of inertial confinement fusion implosions. A new phase of the nonlinear bubble evolution is discovered. After the linear growth phase and a short ...

The highly nonlinear evolution of the single-mode Rayleigh-Taylor instability (RTI) at the ablation front of an accelerated target is investigated in the parameter range typical of inertial confinement fusion implosions. A new phase of the nonlinear bubble evolution is discovered. After the linear growth phase and a short ...

This study computationally examines the evolution of three shock-accelerated heavy gas cylinders and compares the results with experimental data. Three cylinders of SF6 gas are aligned laterally across the width of a horizontal shock tube and accelerated by a Mach 1.2 shock wave. Complex vorticity fields are produced due to the mutual ...

Diagnosing relativistic plasma structures, such as the bubble of an LWFA, presents a considerable challenge to numerical simulations. We present an approximative technique, photon acceleration [1], which has received little attention despite its versatility. Photon acceleration can effectively simulate techniques such as Fourier Domain Holography [2], ...

We consider the atom-optical ? -kicked accelerator when the initial momentum distribution is symmetric. We demonstrate the existence of quantum-resonant dynamics, and derive analytic expressions for the system evolution. In particular, we consider the dynamical evolution of the momentum moments and find that all even-ordered momentum ...

In this paper, the inverse problem on source term identification in convection-diffusion equation is transformed into an optimization problem. To reduce the computational cost and improve computational accuracy for the optimization problem, a new algorithm, chaos real-coded hybrid-accelerating evolution algorithm (CRHAEA), is proposed, in which an initial ...

We extend the covariant analysis of the brane cosmological evolution in order to take into account, apart from a general matter content and an induced-gravity term on the brane, a Gauss-Bonnet term in the bulk. The gravitational effect of the bulk matter on the brane evolution can be described in terms of the total bulk mass as measured by a bulk observer ...

Differential rates of nucleotide substitutions among taxa are a common observation in molecular phylogenetic studies, yet links between rates of DNA evolution and traits or behaviors of organisms have proved elusive. Likelihood ratio testing is used here for the first time to evaluate specific hypotheses that account for the induction of shifts in rates of DNA ...

The PI (Cranmer) and Co-I (A. van Ballegooijen) made significant progress toward the goal of building a 'unified model' of the dominant physical processes responsible for the acceleration of the solar wind. The approach outlined in the original proposal c...

the information on the evolution of energy spread of the monoenergetic electron beam with laser propagation after of the machining beam intensity distribution in the region of pump pulse propagation for various knife. After the amplifier chain of the laser system the laser beam with a clear aperture of 4 cm in diameter

... skeletal system in the black-tailed jack rabbit (Lepus californicus). J. Zool 201:27�65. Carrier, D. R. ... of jumping performance in the black-tailed jackrabbit (Lepus californicus). Zoology 98:309�313. ...

... into pre-existing bedrock and channels would accelerate removal of valley-fill ... Mountain gravels could represent this aggradational event. The steeper ... ...

An evolutionary process in linear acceleration test methods and test doctrine began about 1960 in Sandia's development test laboratories. This evolution is traced over the years with highlights given to the more significant test methods used to test inert...

Coherent structures in turbulent shear flows were studied extensively by several techniques, including the VITA technique which selects rapidly accelerating or decelerating regions in the flow. The evolution of a localized disturbance in a laminar boundar...

The classical Stefan problem of solidification of water into ice has a boundary that accelerates continuously once violations of the initial conditions have been resolved. Here consider a Stefan problem from detonation theory, which essentially differs in...

... topics as intelligent design and the boundary between religion and science. ... Physicist, Case Western Reserve, Cosmology in an accelerating universe ... Currently, we are studying pH and other variables for this reaction and are ...

and structural geology. On a local scale, thickness variations of fixed- period Milankovitch cycles whether structures formed syndepositionally. On a regional scale, (a) the lack of Jurassic strata- cumulation rates in Early Jurassic strata in the north- ern rift basins indicate accelerated basin subsidence

Market-place acceptance of utility-connected photovoltaic (PV) power generation systems and their accelerated installation into residential and commercial applications are heavily dependent upon the ability of their power conditioning subsystems (PCS) to ...

Index Terms. Alfv?n waves, chaos, magnetic filaments, magnetosphere, solar wind. ... amplitude Alfv?n waves are of great interest, largely due to ...

We discuss the physics which is driving the evolution of new sources for microscopy and spectroscopy. A new generation of sources, called energy recovery linacs or ERL's, will be described and reviewed with particular emphasis on the examples of imaging a...

The evolution of the microstructure of sputtered Al and Al-2% Cu thin films and interconnects has been studies as a function of thermal treatments and accelerated electromigration testing. Transmission electron microscopy (TEM), scanning electron microsco...

Abscission zone explants of Gossypium hirsutum L., Cassia fistula L., and Coleus blumei Benth. were used to investigate correlations between endogenous rates of ethylene evolution and time of abscission. Additions of 0.1 nl/ml ethylene to the explants mar...

to the extinction of polar bears within 100 years." This is actually two propositions composed of a premise, "The"/> PolarBears"> the extinction accelerated rate of reduction of perennial sea ice in the Arctic" and a conclusion, "the extinction of polar

Investigation and examination were conducted of the current state and future possibilities of evolutive molecular engineering. It has been learned that studies of mutation generating means, domestic and international, deal mainly with point mutation; that...

The authors investigate the properties to be expected of jets produced in future accelerators in the TeV energy domain. Current state-of-the-art models for perturbative jet evolution and non-perturbative fragmentation are used, together with experimentall...

Test - Kurt Scott (Atlas) PVEL's Reliability Demonstration Test - Jenya Meydbray (PV Evolution) UV-Thermal Combined Stress Acceleration test - Takuya Doi (AIST) Session V....

... density-dependent parasitism should accelerate the evolution of toxin resistance in pest species, but our study suggests ... within the field that do not express the toxin (Flint and Parks 1999), because ...

This work was performed to accelerate development and commercialization of solid-state, high frequency ballasts for fluorescent lighting systems. The history and development of fluorescent lamps, of ballasts for these fixtures, and of related circuits and...

... Hox cluster architecture among fishes and, together with genetic mapping data from Medaka, indicate that the third genome ... at least seven Hox clusters. Phylogenetic analysis and genetic mapping reveale...

The formation of nuclei of condensation in air initially cleansed of aerosol particles by filtration has been investigated. Such formation may be achieved in the dark. The formation process is accelerated by the action of sunlight or by the introduction i...

Small rubble-pile asteroids can be spun rapidly due to cohesive van der Waals forces. When they split they must be rotationally accelerated to split again, a process that can eventually completely fission the body. Applications to 2008 TC3 are made.

In order to analytically investigate flame acceleration effects, Stewart and Ludford posed a model rationally derived from Arrehnius kinetics in which the temperature of the thin reaction zone is constant. For small heat-release during combustion this mod...

An analytical theory for the time evolution of the distribution function, energy and current of an assembly of electrons submitted to a quasi-sinusoidal stochastic field is given. To the first order energy and current are obtained using Sturrock's stochas...

In intact spinach chloroplasts, aerobic rates of HCO sub 3- supported oxygen evolution in saturating light are several-fold higher than rates observed under near anaerobic conditions. The lower anaerobic rates are accelerated by antimycin A or by uncouple...

The evolution of the Rayleigh-Taylor (RT) instability in a compressible medium was investigated both at an accelerating embedded interface and at the ablation front in a new series of experiments on Nova. The x-ray drive generated in a hohlraum ablatively...

In the face of accelerating change in the economy and banking system brought about by numerous factors, including globalization, technology, evolution of payments systems and bank consolidation, the Federal Reserve recently recognized the need for a more ...

The first collider tests of cosmological theory are now underway. The number of neutrino families in nature, N/sub nu/, plays a key role in elementary particle physics as well as in the synthesis of the light elements during the early evolution of the Uni...

part of aging [18]. It may also be highly relevant to conditions of accelerated senescence, or progeria syndromes. In this regard, it is significant that patients with Hutchinson-Gilford Progeria Syndrome appear

An exact Chameleon cosmological model describing the evolution of a non-singular bouncing cosmology with the phantom divide line crossing is obtained by constructing two independent functions of the scalar field.

AMBER is a Particle-In-Cell (PIC) code which models the evolution of a representative slice of a relativistic electron beam in a linear accelerator. The beam is modeled as a steady flow and therefore no electromagnetic waves: all the fields (external and ...

The latitudinal profile of the fluxes and energy of electrons precipitating during large-scale plasma convection in the night sector of the magnetosphere is computed for a three-dimensional model of the geomagnetic field. The evolution of the pitch-angle distribution of particles during electric drift is investigated.

theory sufficiently accounts for the elevated evo- lutionary rate. Rather, the elevated evolutionary rate-producing eukaryotic or- ganelles that stem from endosymbiotic eubacteria and that have relinquished their genome Muller's ratchet or the slightly deleterious mutation theory to explain the enhanced evolutionary rate

An analytic and numerical scheme is developed to follow the adiabatic evolution of a beam with non-zero transverse pressure in a modified betatron. These calculations are made using improvements to previous zero pressure models in regimes where, as before...

ON THE MAMMALIAN. CELL DEFORMATION. AIAA-95-1052. R. J. Hung*,. Y. D. Tsao**, ..... 1(B) show time evolution of the variation of gravity acceleration ...

The conceptual evolution of the accelerator lattice design is discussed. Indicated are aspects of IR design. We emphasize the cancellation of stop-band width in the cluster design. The case of symmetric vs antisymmetric design is also discussed. The SSC lattice is used as an example. 9 refs.