On The Statistical Analysis of the Formation of Secondary Radiation Fields in Remote Control Devices Based on Pulsed Neutron Generators

Physics of Atomic Nuclei - The paper is devoted to the study of the influence of pulsed instability of neutron generation on the efficiency of small transportable HMCs. Experimental diagrams of the...     

Theoretical aspects of the indirect redox potentiometric method for determination of oxidizers and reducers without titration

The theoretical analysis of the redox potentiometry of reducers and oxidizers is carried out, which involves the electrochemical characteristics of generalized analytical reactions and the development of simplified equations for calculating the sought concentration and the sensitivity of the method. The use of degrees of oxidation of atoms made it possible to elucidate the reaction stoichiometry and determine which atoms in complex compounds are involved in the electron transfer. The terminology of the redox potentiometric method is improved.     

非交换加权Lorentz空间的对偶空间

设μ是一个半有限von Neumann代数.对于0P∞,0q≤∞,定义了非交换加权Lorentz空间Λ_ω~(p,q)(μ)及其associate空间Λ_ω~(p,q)(μ)',给出了空间Λ_ω~(p,q)(μ)'和Λ_ω~(p,q)(μ)'的一些基本性质.应用这些性质,还给出了非交换加权Lorentz空间Λ_ω~p(μ),0P∞的对偶空间.     

Formation of relief on a metallic target surface under the action of compression-plasma flows

The results of experimental and theoretical investigations of relief formation on the surface of a steel target (grade St 3 steel, GOST (State Standard) 380) during treatment by compression-plasma flows are represented. The density of energy absorbed by the target varied in the range from 15 to 25 J/cm², the pulse duration was 100 μs, and the pulse number was N = 1, 3, 5, 7. The experiment revealed the expansion of boundaries of the central area (the area on which the plasma flow is incident normally to the surface) with increasing pulse number. This is explained by the more uniform surface treatment at a greater pulse number. It is shown that to describe relief formation in the central area there is a need to take into account the pressure of the plasma flow on the target surface, apart from surface tension forces and energy dissipation due to viscosity.     

Determination of the absorption and scattering cross sections of zinc phthalocyanine nanoparticles

The real and imaginary parts of the refractive index of thin zinc phthalocyanine films have been measured by two different methods (spectral and ellipsometric). The results obtained have been used to calculate the absorption and scattering cross sections of spherical zinc phthalocyanine nanoparticles in water as functions of their size.     

Supramolecular systems based on cationic surfactants and amphiphilic macrocycles

The effect of the structure of mono- and dicationic surfactants and amphiphilic calixarenes on their aggregation properties, aggregate morphology, and catalytic activity in reactions of nucleophilic substitution in esters is analyzed.