44 Result(s)

Article

Nonspherical outer regions in multiple scattering theory

D. E. Onopko, S. A. Titov in Theoretical and Experimental Chemistry (1978)

Article

Application of the x_α scattered-wave method for calculating the electronic structure of ccl₄, sicl₄, and gecl₄, molecules

D. E. Onopko, S. A. Titov in Theoretical and Experimental Chemistry (1978)

Article

Calculation of the electronic structure of tetrahedral carbon, silicon, and germanium halides using the Xα scattered-wave method

D. E. Onopko, S. A. Titov in Theoretical and Experimental Chemistry (1979)

Article

Electronic structure of zirconates and niobates with the perovskite structure

M. N. Rozova, D. E. Onopko, S. A. Titov, Yu. P. Kostikov in Journal of Structural Chemistry (1982)

Article

Role of orienting and defensive components in open field behavior of albino rats

1. During investigation of the behavior of albino rats by the OF method the use of Stressor factors leads to a d...

S. A. Titov, A. A. Kamenskii in Neuroscience and Behavioral Physiology (1983)

Article

Effect of lysyl-vasopressin and vasotocin on disturbance of avoidance conditioning by serotonin receptor blocker cyproheptadine

S. A. Titov, I. Yu. Shamakina… in Bulletin of Experimental Biology and Medic… (1983)

Article

Deviations from the mt approximation in the scattered-wave method

D. E. Onopko, S. A. Titov in Theoretical and Experimental Chemistry (1985)

Article

Synthesis and biological activity of C-terminal fragments of vasopressin

V. P. Golubovich, V. P. Martinovich, A. B. Usenko… in Pharmaceutical Chemistry Journal (1988)

Article

Synthesis and study of biological activity of C-terminal vasopressin fragments AVP_5–9 and pGlu AVP_5–9

V. P. Martinovich, L. K. Slobodchikova… in Pharmaceutical Chemistry Journal (1989)

Article

Calculation of cubic cerium centers in fluorite crystals by the scattered wave method

N. V. Starostin, S. A. Titov in Journal of Structural Chemistry (1989)

Article

The effects of analogs of the C-terminal fragment of arginine-vasopressin on the dynamics of development of a conditioned active avoidance response in rats

This paper reports studies of the effects of original analogs of the C-terminal fragment AVP (6–9), D-MPR and D-MPRG, on the development of a conditioned active avoidance response in rats; agents were given in...

O. G. Voskresenskaya, S. A. Titov… in Neuroscience and Behavioral Physiology (1999)

Article

A two-channel measuring acoustic microscope

A continuous-wave acoustic Doppler microscope designed for measuring the angular dependence of the ultrasonic reflectance from sample surfaces is described. The acoustic and electronic units of the microscope ...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Instruments and Experimental Techniques (2000)

Article

Measuring scanning acoustic microscope with a harmonic sounding signal

A concept of a scanning acoustic microscope with a harmonic sounding signal for measuring the parameters of local homogeneous regions of flat samples is proposed. The distinctive feature of the device is the u...

A. N. Bogachenkov, R. G. Maev, S. A. Titov in Acoustical Physics (2000)

Article

The velocity and attenuation of outgoing surface acoustic waves measured using an ultrasonic microscope with two focusing transducers

A new method for measuring the local parameters of outgoing surface acoustic waves (OSAWs) is proposed. The technique employs a system of two focusing transducers, with the output signal taken from one of thes...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Technical Physics Letters (2001)

Article

Use of a ultrasonic transducer array for measuring the velocity and attenuation of leaky acoustic waves

We suggest a new method for measuring local values of the velocity and attenuation of leaky acoustic waves, which is based on wave field measurements using an immobile array of receiving ultrasonic transducers...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Technical Physics Letters (2004)

Article

A pulse ultrasonic gauge for measuring velocities of surface acoustic waves

A pulse broadband gauge designed for measurements of the velocities of surface acoustic waves is described. The gauge’s output signal is formed during mechanical translation of focused ultrasonic transducers r...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Instruments and Experimental Techniques (2006)

Article

A small-size multichannel scanning acoustic microscope

A multichannel scanning acoustic microscope, the ultrasonic element of which consists of several focused transducers, is proposed. In this device, images are generated by the electronic switching of the transd...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Instruments and Experimental Techniques (2009)

Article

Measuring the acoustic wave velocity and sample thickness using an ultrasonic transducer array

We suggest a new method for determining the longitudinal and transverse acoustic wave velocities and sample thicknesses, which is based on the measurement and analysis of pulsed echo signals by an array of ult...

S. A. Titov, R. G. Maev, A. N. Bogachenkov in Technical Physics Letters (2009)

Article

Water adlayers on aluminum oxide thin films

The effect of saturated water vapor on the performance of quartz cavities covered by magnetronsputtered oxide films is considered. A technique for precisely estimating the influence of small vapor concentratio...

D. S. Saiko, V. V. Ganzha, S. A. Titov, I. N. Arsent’ev… in Technical Physics (2009)

Article

Determination of isotropic layer parameters from spatiotemporal signals of an ultrasonic array

The paper discusses a method for measuring the velocities and attenuation of longitudinal and transverse ultrasonic waves and the density and thickness of the isotropic layer with an array placed in an immersi...

S. A. Titov, R. G. Maev in Acoustical Physics (2013)