68 Result(s)

Article

Effectiveness of data assimilation using probabilistic techniques in a model for synoptic velocity field evolution

The results of numerical experiments involving data assimilation by linear and non-linear models for synoptic ocean dynamics are presented. This paper considers the model's response to data assimilation at div...

A. V. Grigor'ev, A. N. Zhukov in Physical Oceanography (1994)

Article

Effect of the Surface Conductance on Electrokinetic Potential Measured in Nonaqueous Media

The effect of the surface conductance on the ζ-potential of dispersed particles determined from their electrophoretic mobility in nonaqueous electrolyte solutions was considered. The conductivity of dilute qua...

A. N. Zhukov, L. V. Duda, I. L. Fedorova in Colloid Journal (2001)

Article

Global Asymmetry of the Sun Observed in the Extreme Ultraviolet Radiation

We report on observations of the solar luminosity variations in the Fe xii line (195 Å) over the period 1996–1999, which corresponds to the minimum and rising phase of the current 23rd solar cycle. The relativ...

I.S. Veselovsky, A.N. Zhukov, A.V. Dmitriev, M.V. Tarsina, F. Clette… in Solar Physics (2001)

Article

Reversal of Heliospheric Magnetic Field Polarity: Theoretical Model

A simple analytical model of the reversal of the heliospheric magnetic field is suggested. The shape of the heliospheric current sheet is found for each instant of time using a kinematic approximation. Calcula...

I. S. Veselovsky, A. N. Zhukov, O. A. Panasenco in Solar System Research (2002)

Article

Solar and Heliospheric Causes of Geomagnetic Perturbations during the Growth Phase of Solar Cycle 23

A database is compiled for the study of solar and heliospheric causes of geomagnetic perturbations with the daily average index A _р > 20 that were observed in the period 1997–2000. The number of such events (more...

V. Bothmer, I. S. Veselovsky, A. V. Dmitriev, A. N. Zhukov… in Solar System Research (2002)

Article

Conductivity and Electrokinetic Potential of Microcrystalline Cellulose Particles in Aqueous HCl and NaOH Solutions

The conductivity of microcrystalline cellulose (MCC) dispersions in aqueous 10^–5–10^–2 M HCl and NaOH solutions was measured as a function of the particle volume fraction by the conductometry. The dependence of th...

A. N. Zhukov, D. Yu. Baturenko, Yu. M. Chernoberezhskii… in Colloid Journal (2003)

Article

Aggregation Stability of Aqueous Dispersions of Microcrystalline Cellulose: pH Dependence

The aggregation stability of aqueous dispersions of microcrystalline cellulose (MCC) was studied by the flow ultramicroscopy in a wide range of pH (1–11). The calculations of the molecular and ion-electrostati...

Yu. M. Chernoberezhskii, D. Yu. Baturenko, A. V. Lorentsson… in Colloid Journal (2003)

Article

Sol-Gel Synthesis of Monodispersed SiO₂ Nanoparticles in the Presence of Organic Amines

Preparation of monodispersed SiO₂ nanoparticles of varied size by hydrolysis of tetramethoxysilane and polycondensation of the hydrolysis products was studied as influenced by the basicity and nucleophilicity of ...

N. N. Khimich, Yu. V. Zvyagil'skaya, A. N. Zhukov… in Russian Journal of Applied Chemistry (2003)

Article

Acid–Base Zeta-Metric Titration of Quartz Dispersions in Ethanol Solutions of Electrolytes

The conductivity of dilute quartz suspensions and electrophoretic mobility of quartz particles in solutions with the concentration C = 10^–5–10^–2 M XBr (X = H, Cs, Na, and Li) and NaOH, as well as in mixed solutio...

A. N. Zhukov, I. L. Fedorova in Colloid Journal (2003)

Article

Effect of pH on the Aggregation Stability of Microcrystalline Cellulose Dispersions in Aqueous 0.1 M NaCl Solutions

Effect of pH on the coagulation kinetics of microcrystalline cellulose dispersions in an aqueous 0.1 M NaCl solution is studied by the flow ultramicroscopy. The lowest coagulation rate is observed at pH 4.9. A...

D. Yu. Baturenko, Yu. M. Chernoberezhskii, A. V. Lorentsson… in Colloid Journal (2003)

Article

The Effect of Water Addition on the Electrosurface Properties of Quartz in Solutions of Alkali Metal Bromides in Ethanol

Electrosurface properties (the ζ-potential and surface conductivity) of quartz particles in water–ethanol solutions of CsBr, NaBr, and LiBr with concentrations C = 10^–5–10^–2 M are studied. The ζ (log C) dependenc...

A. N. Zhukov, I. L. Fedorova in Colloid Journal (2004)

Article

The Effect of Composition of Water–Ethanol Solutions on the Kinetics of Coagulation of Fused Quartz Suspensions

The effect of composition of water–ethanol solutions containing 0–96 vol % alcohol on the coagulation kinetics of dilute fused quartz suspensions is studied using flow ultramicroscopy technique. It is establis...

A. N. Zhukov, L. I. Kim, Yu. M. Chernoberezhskii in Colloid Journal (2004)

Article

Solar and Heliospheric Phenomena in October–November 2003: Causes and Effects

We present new observational data on the phenomena of extremely high activity on the Sun and in the heliosphere that took place in October–November 2003. A large variety of solar and heliospheric parameters gi...

I. S. Veselovsky, M. I. Panasyuk, S. I. Avdyushin, G. A. Bazilevskaya… in Cosmic Research (2004)

Chapter and Conference Paper

The Influence of Conditions of the Detonation Synthesis (DS) on the Degree of Transformation and Physico-Chemical Properties of Detonation Diamonds (DD)

V.Ph. Tatsy, A.V. Ananin, A.N. Dremin… in Innovative Superhard Materials and Sustain… (2005)

Article

Global Variations and Asymmetry of the Sun During Extremely High Activity in October–November 2003

The data of the Coronas F satellite and other spacecraft were used to show that, in October–November 2003, global variations in brightness occurred in all spectral regions of the solar electromagnetic radiation. ...

I. S. Veselovsky, A. V. Dmitriev, I. A. Zhitnik, A. N. Zhukov… in Solar System Research (2005)

Article

The Effect of Composition of Water-Ethanol Solutions on Coagulation Kinetics of Amorphous Monodisperse Silica Suspensions

The effect of the composition of water-ethanol solutions on the coagulation kinetics of dilute amorphous monodisperse silica suspensions is studied using flow ultramicroscopy technique. It is found that the su...

A. N. Zhukov, L. I. Zavarovskaya, Yu. M. Chernoberezhskii in Colloid Journal (2005)

Article

Observations of Solar EUV Radiation with the CORONAS-F/SPIRIT and SOHO/EIT Instruments

The SPIRIT complex onboard the CORONAS-F satellite has routinely imaged the Sun in the 171, 175, 195, 284, and 304 Å spectral bands since August 2001. The complex incorporates two telescopes. The Ritchey-Chretien...

V. A. Slemzin, S. V. Kuzin, I. A. Zhitnik, J.-P. Delaboudiniere… in Solar System Research (2005)

Article

Investigation of specific features of Rhythmodynamics of interannual variability of hydrometerological and hydrological processes in coastal zones

V. N. Eremeev, A. N. Zhukov, A. A. Sizov in Doklady Earth Sciences (2006)

Article

The effect of preparation procedure and composition of water-ethanol suspensions of amorphous silica on their aggregative stability and kinetics of coagulation

The method of flow ultramicroscopy is employed to study the effect of the composition and preparation procedure of dilute water-ethanol suspensions of two samples of amorphous silica (fractionated fused quartz...

A. N. Zhukov, L. I. Zavarovskaya, Yu. M. Chernoberezhskii in Colloid Journal (2006)

Article

Stability of crystalline structure and molecules of hydrofullerene C₆₀H₃₆ under high shock pressures

A. M. Molodets, A. S. Lobach, A. N. Zhukov, Yu. M. Shulga, V. E. Fortov in Doklady Physics (2008)