Seismic random processes are characterized by high non-stationarity and, in most cases, by a marked variability of frequency content. The hypothesis modelling seismic signal as a simple product of a stationary signal and a deterministic modulation function, consequently, is hardly ever applicable. Several mathematical models aimed at expressing the recorded process by means of a system of stati...

The development of meningococcal serogroup B vaccines has been a worldwide public health priority based on continuing disease burden, combined with the scientific challenges associated with antigen identification. A new multicomponent vaccine, 4CMenB, is currently being evaluated for global licensure. The multicomponent strategy accounts for multiple surface antigens and, therefore, provides va...

We consider the equations governing multicomponent reactive ows derived from the kinetic theory of dilute polyatomic reactive gas mixtures. We rst discuss the structure of the chemical source term associated with Maxwellian distributions. We then investigate an abstract second order quasilinear system with a source term, around a constant equilibrium state. Assuming the existence a generalized ...

Adjoint symmetry constraints are presented to manipulate binary nonlinearization, and shown to be a slight weaker condition than symmetry constraints in the case of Hamiltonian systems. Applications to the multicomponent AKNS system of nonlinear Schrödinger equations and the multi-wave interaction equations, associated with 3×3 matrix spectral problems, are made for establishing their integrabl...

We consider Markov models of multicomponent systems with synchronizing interaction. Under natural regularity assumptions about the message routing graph, they have nice longtime behavior. We are interested in limit probability laws related to the steady state viewed from the center-of-mass coordinate system.

We prove existence of heteroclinic orbits for systems of ordinary differential equations satisfying monotonicity conditions. The proof is carried out by means of the implicit function theorem. We apply these results to prove existence of travelling waves for the system describing a multicomponent plasma sustained by a laser beam.

The partitioning behavior of W in a multicomponent Ni-based superalloy and in a ternary Ni–Al–W alloy is investigated using atom-probe tomography APT and first-principles calculations. APT observations indicate that whereas W partitions preferentially to the L12 -precipitates in the ternary alloy, its partitioning behavior is reversed in favor of the fcc -matrix in the multicomponent alloy. Fir...

Multicomponent interventions composed of behavioral, delivery, or implementation factors in addition to medications are becoming increasingly common in health sciences. A natural experimental approach to developing and refining such multicomponent interventions is to start with a large number of potential components and screen out the least active ones. Factorial designs can be used efficiently...

Multicomponent reactions have become increasingly popular as tools for the rapid generation of small-molecule libraries. However, to ensure sufficient molecular diversity and complexity, there is a continuous need for novel reactions. Although serendipity has always played an important role in the discovery of novel (multicomponent) reactions, rational design strategies have become much more im...

A diagonally implicit method is shown to be an effective method for integrating the multicomponent species conservation equations. The constitutive equation for multicomponent diffusion is recast into a form analogous to that for binary diffusion, except that the diffusion coefficient is replaced with a matrix of effective multicomponent diffusion coefficients. The resulting matrix has properti...