40 research outputs found
ETALON-1,-2 center of mass correction and array reflectivity
Center of mass correction to be applied to measured ranges to the ETALON 1 and 2 satellites is considered. Numerical values of the correction and reflectivity from the retroreflector array are computed. The variations of these values with satellite orientation are investigated
Sociocultural aspect of realization of civil control in modern Russian society
The backwardness of civil control in modern Russia is connected with a complex of the reasons of sociocultural character, including with specifics of the Russian traditions of public participation. It is proved that only collective forms of civil control relying on mobilization and use of the social capital of local communities can be the most effective in Russi
Dynamics of risk degree of innovation-driven growth at higher education institutions
In this article, the analysis of dynamics of risk degree of innovation-driven growth at higher education institutions is discussed. The survey has been employed in this paper and the data analyzed by SPSS software. Results revealed that the resulting risks are regularly encountered in a modern Russian higher educational institution: inability to provide necessary financial support for educational activities; inability to provide required modern material and technical basis; challenges and failures in collaboration with enterprises for organizing practical training for students and the absence of practical training programs at the university. It is also indicated that the risk event might lead to different results: negative, positive, or nul
Conservation laws of semidiscrete canonical Hamiltonian equations
There are many evolution partial differential equations which can be cast
into Hamiltonian form. Conservation laws of these equations are related to
one-parameter Hamiltonian symmetries admitted by the PDEs. The same result
holds for semidiscrete Hamiltonian equations. In this paper we consider
semidiscrete canonical Hamiltonian equations. Using symmetries, we find
conservation laws for the semidiscretized nonlinear wave equation and
Schrodinger equation.Comment: 19 pages, 2 table
Transformation approach to implementation of transparency of the Russian supreme audit institution activity
A financial system is generally considered a "circulatory system" of the state, which is essential for its existence. A key role in this system belongs to public funds. That is why issues of improving efficient state audit are becoming extremely important nowaday
Kinetics of exciton photoluminescence in type-II semiconductor superlattices
The exciton decay rate at a rough interface in type-II semiconductor
superlattices is investigated. It is shown that the possibility of
recombination of indirect excitons at a plane interface essentially affects
kinetics of the exciton photoluminescence at a rough interface. This happens
because of strong correlation between the exciton recombination at the plane
interface and at the roughness. Expressions that relate the parameters of the
luminescence kinetics with statistical characteristics of the rough interface
are obtained. The mean height and length of roughnesses in GaAs/AlAs
superlattices are estimated from the experimental data.Comment: 3 PostScript figure
Dressing with Control: using integrability to generate desired solutions to Einstein's equations
21 pages, no figures21 pages, no figures21 pages, no figures21 pages, no figuresMotivated by integrability of the sine-Gordon equation, we investigate a technique for constructing desired solutions to Einstein's equations by combining a dressing technique with a control-theory approach. After reviewing classical integrability, we recall two well-known Killing field reductions of Einstein's equations, unify them using a harmonic map formulation, and state two results on the integrability of the equations and solvability of the dressing system. The resulting algorithm is then combined with an asymptotic analysis to produce constraints on the degrees of freedom arising in the solution-generation mechanism. The approach is carried out explicitly for the Einstein vacuum equations. Applications of the technique to other geometric field theories are also discussed
Structure of Core-Shell Ni/Au Nanoparticles Synthesized in Two-Stage Process From Aqueous Salt Solutions
Core-shell Ni/Au nanoparticles are synthesized in a two-stage process in aqueous solutions. The core-shell structure of the synthesized particles is proven by using results of HRTEM, TEM, SAXS and CVA methods. The thickness of the core is estimated at 1 nm and it is formed from 1–2 layers of mutually oriented gold crystallites. The CVA results show that the Au-shells are nanoporous, and that a layer of nickel oxidation products is formed. These results were obtained by using Vis spectrophotometer, TEM, HRTEM, SAXS, CVA and elemental analysis
Данные мониторинга суицидальных попыток и завершенных суицидов в г. Одессе за период 2001-2011 гг.
Статья посвящена анализу суицидальной активности населения миллионного города. Данные многолетнего
мониторинга позволяют выявить совпадающую динамику уровней суицидальных попыток и самоубийств в
течение 11 лет наблюдения (2001-2011 гг.). Выявлены типичные различия между мужчинами и женщинами
(преобладание попыток среди женщин и завершенных самоубийств среди мужчин). Способы попыток и суицидов свидетельствуют о том, что мужчины используют более агрессивные методы самоповреждения. В последние годы наблюдается рост самоубийств среди мужчин в возрастной группе 25-29 лет.The study deals with the suicidal activity of the population
of a million city. Long-lasting monitoring data revealed very
similar changes of attempted and completed suicides rates
over 11 years of monitoring. Rather typical differences between males and females suicidal behaviors are found: higher attempts rates in females and higher completed suicides in
males. Methods of attempts and suicides testify that males
choose more violent means. During last period growingsuicides are registered in males aged 25-29 years