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  • 1
    Electronic Resource
    Electronic Resource
    Mechanism of the gas-phase oxidation of carbon disulfide at elevated temperatures (the C-S-O system) (1992)
    Springer
    Russian chemical bulletin 41 (1992), S. 629-637 
    Details
    ISSN: 1573-9171
    Keywords: machine modeling ; kinetic mechanism ; gas-phase kinetics ; oxidation of carbon disulfide ; carbonyl sulfide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Machine modeling was used to investigate the kinetic mechanism of the gas-phase oxidation of carbon disulfide at elevated temperatures. The scheme of the process examined includes 70 elementary reactions. On the basis of the kinetic data on these reactions available in the literature the rates of the oxidation process, the concentrations of end products and intermediate particles were calculated as a function of the time under various conditions (composition, pressure, temperature). Comparison of the results obtained with the experimental data showed satisfactory agreement and also revealed some important elementary reactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01150882
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  • 2
    Electronic Resource
    Electronic Resource
    Kinetic limit of the ethane and ethylene yield in the gas phase condensation of methane (1995)
    Springer
    Russian chemical bulletin 44 (1995), S. 372-373 
    Details
    ISSN: 1573-9171
    Keywords: kinetic simulation ; oxidative condensation of methane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A kinetic simulation of the initiated oxidative condensation of methane in the gas phase showed that the additional generation of methyl radicalsvia the reaction CH4 + O2 → CH3 + HO2 causes a nearly tenfold increase in the C2 hydrocarbon yield. However, a kinetic limit of the yield exists that is close to that determined in experiments on the catalytic oxidative condensation of methane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00702155
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  • 3
    Electronic Resource
    Electronic Resource
    Concerning the dependence of the selectivity of the formation of ethane and ethylene on the degree of methane conversion during its oxidative coupling (1995)
    Springer
    Russian chemical bulletin 44 (1995), S. 551-552 
    Details
    ISSN: 1573-9171
    Keywords: oxidative coupling of methane ; kinetic simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The dependences of the maximum selectivity and the limiting yield of C2 hydrocarbons on the degree of methane conversion during its gas-phase oxidative coupling were calculated by means of kinetic simulation. The correlation between the results of the calculations and the rersults obtained in the experimental studies dealing with catalytic oxidative coupling of methane is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00702408
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  • 4
    Electronic Resource
    Electronic Resource
    Mechanism of the influence of the reticular formation on cortical neurons (1967)
    Springer
    Neuroscience and behavioral physiology 1 (1967), S. 160-168 
    Details
    ISSN: 1573-899X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Conclusions 1. Under the influence of stimulation of the mesencephalic reticular formation (MRF) activity of neurons in the visual cortex usually remains unchanged but may be either facilitated or depressed. 2. Under certain conditions bursts of synchronized impulses occur in response to photic stimulation at low frequencies and stimulation of MRF then abolishes the periodicity of the impulse discharge. 3. Since the periodicity of such bursts of synchronized impulses probably develops as the result of an inhibitory postsynaptic potential, the facilitation of cortical neurons by influences from MRF must be based on abolition of an inhibitory process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01124395
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of somatosensory cortex on spontaneous activity in association cortex (1967)
    Springer
    Neuroscience and behavioral physiology 1 (1967), S. 397-402 
    Details
    ISSN: 1573-899X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Conclusions 1. The application of strychnine to a localized area of the primary somatosensory cortex causes an increase in frequency of spontaneous discharge of its neurons with the appearance of paroxysmal bursts, and at the same time, depression (or even complete suppression) of spontaneous neuron activity in the anterior part of the middle suprasylvian gyrus. 2. Depression of spontaneous neuronal activity in the association area is also observed (even better) when the spontaneous activity of the neurons in this area is intensified by a previous application of weak strychnine solution. 3. Spontaneous activity of neurons of any other, nonassociative, cortical area (the anterior ectosylvian gyrus, for example), situated the same distance from the part of the somatosensory cortex poisoned by strychnine, remains unchanged under these conditions. 4. The application of strychnine to the association area of the middle suprasylvian gyrus does not change the spontaneous or paroxysmal activity of neurons in the primary somatosensory cortex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01126531
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  • 6
    Electronic Resource
    Electronic Resource
    Unit activity of bulbar raphe nuclei and reticular formation in cats (1973)
    Springer
    Neuroscience and behavioral physiology 6 (1973), S. 16-24 
    Details
    ISSN: 1573-899X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Spontaneous activity and single unit responses of the bulbar raphe nuclei (NR) and mesencephalic reticular formation (MRF) were studied in unanesthetized cats. In addition to the general features, a number of special features of the unit activity of these two structures were discovered: a) in most cases NR neurons respond predominantly or entirely to cutaneous stimulation of 3 to 4 limbs; b) spontaneous activity (SA) of NR neurons is more regular and less variable in time than that of MRF neurons. Under the influence of various peripheral stimulations the spontaneous activity of NR neurons briefly increases in frequency without any change in firing pattern, whereas the increase in frequency of MRF neurons occurs for much longer and is accompanied by marked changes in spontaneous activity c) NR neurons respond to all peripheral stimuli used by an absolutely uniform, short and compact volley of spikes, whereas MRF neurons respond differently to each stimulus, with various numbers of spikes and different firing patterns. These peculiarities of NR unit activity are evidently attributable to its simpler synaptic organization than that of MRF.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01185999
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  • 7
    Electronic Resource
    Electronic Resource
    Neuronal activity of the pulvinar of the thalamus in the cat (1971)
    Springer
    Neurophysiology 3 (1971), S. 366-372 
    Details
    ISSN: 1573-9007
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Spontaneous and induced activity in the neurons in the pulvinar of the thalamus (PT) was studied extracellularly in unnarcotized cats immobilized with Remiolan. The PT neurons had a relatively low level of spontaneous activity, and either responded only to light flashes (61%) or did not respond to any of the stimuli applied. The latent periods of the responses varied within wide limits (from 15 to 60 msec), which indicates the possibility of direct peripheral activation of the PT neurons and also of the existence of multisynaptic afferent connections. Acoustic and electrical cutaneous stimuli, although they did not themselves evoke response-discharges, modulated both spontaneous activity and activity evoked by light flashes in the PT neurons. The same effect on the activity of the PT neurons was produced by electrical excitation of the mesencephalic reticular formation. That gives us grounds for surmising that the modulating effects of acoustic and electrical stimuli are produced through activation of reticular structures in the midbrain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01063569
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  • 8
    Electronic Resource
    Electronic Resource
    Neuronal activity of raphe nuclei of the brain stem in the cat (1971)
    Springer
    Neurophysiology 3 (1971), S. 24-31 
    Details
    ISSN: 1573-9007
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Evoked potentials were recorded in the system of raphe nuclei in experiments on unanesthetized, immobilized cats. Somatic stimulation proved to be the most effective of the different stimulations used (light flash, sound click, electrical stimulation of the skin of the limbs). Sound and light stimulation did not evoke pronounced responses, or the latter (to sound) were of a very low amplitude and irregular. In the second series of experiments on cats narcotized with nembutal (30–35 mg/kg) the spontaneous activity and activity evoked by somatic stimulation of single neurons of the caudal part of the raphe nuclei were studied. The overwhelming majority of neurons were characterized by spontaneous activity which changed (inhibited or facilitated) under the effects of somatic (especially repeated) stimulation; most of them reacted to stimulation of the skin of any limb. In the case of paired stimulation of the skin of limbs on different sides at large intervals (40–60 msec), inhibition of the test discharge occurred, whereas at small intervals summation (simple addition) of the impulses occurred. In their general characteristics the neurons of the raphe nuclei apparently differ little from the neurons of the reticular formation of the brain stem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01065587
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  • 9
    Electronic Resource
    Electronic Resource
    Unit activity of raphe nuclei in the cat brainstem (1972)
    Springer
    Neuroscience and behavioral physiology 5 (1972), S. 225-234 
    Details
    ISSN: 1573-899X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Responses to flashes, clicks, and electrodermal stimulation of the limbs were recorded in the raphe system of nuclei in unanesthetized, immobilized cats. Somatic stimuli were most effective. Acoustic and photic stimuli evoked ill-defined responses or (to acoustic stimulation) irregular responses of very low amplitude. In a second series of experiments on cats anesthetized with Nembutal (30–35 mg/kg) spontaneous and evoked (by somatic stimulation) single unit activity was studied in the caudal group of raphe nuclei. Most neurons 1) exhibited spontaneous activity which was modified (inhibited or facilitated) by somatic (especially repetitive) stimulation, and 2) responded to stimulation of the skin of any limb. During paired stimulation of the skin of limbs on different sides at long intervals (40–60 msec) the testing discharge was inhibited, while if the intervals were short, summation (simple addition) of the spikes took place. In their general characteristics, neurons of the raphe nuclei evidently differ very little from neurons of the brainstem reticular formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01184801
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  • 10
    Electronic Resource
    Electronic Resource
    Heterogeneous decay of fluorine atoms (1977)
    Springer
    Reaction kinetics and catalysis letters 6 (1977), S. 169-174 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Определена вероятность гетерогенной гибели атомов фтора на поверхности молибденового стекла, кварца, тефлона, меди, золота, никеля и алюминиевого сплава в интервале температур 20–300 °C.
    Notes: Abstract The probability of decay of fluorine atoms on the surface of molybdenum glass, quartz, Teflon, copper, nickel, gold and on aluminium alloy at 20–300 °C has been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02084193
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