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Article
Near-Surface Concentration of CH4, СО2, СО, and δ13C–СH4 in the Air Based on the Observations at the Station of the Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, in Moscow
Results of the analysis of interannual, seasonal, and diurnal variations in the ratios of the mixture of CH4, CO2, CO, benzene, and δ13C–CH4 in the surface air of Moscow based on the measurements at the station o...
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Article
Open AccessMethane Concentration and δ13C Isotopic Signature in Methane over Arctic Seas in Summer and Autumn 2020
We have studied the assessment of methane content in the near atmospheric layer of the Arctic seas and the sources of its emissions. Continuous atmospheric measurements of methane concentration and δ13C isotope s...
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Article
Influence of Various Carbon Allotropes on Tribological and Rheological Characteristics of Model Lubricating Systems
Vaseline (VM)–carbon nanostructure (CNS) model systems were studied by rheological and tribological methods. CNSs are represented by materials of various structures: multilayer oxidized graphene (Gr), single-w...
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Article
Tribological Properties of Plastic Lubricants in Compositions with Various Carbon Nanostructures
The effect of carbon nanomaterials (CNMs) of various structures (multi-layered oxidized graphene, single-walled and multi-walled carbon nanotubes, schungite carbon nanoparticles) on the friction coefficient an...
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Article
The NOx-Limiting Regime of Photochemical Ozone Generation in a Weakly Polluted Convective Boundary Layer: Observations at the ZOTTO Tall Tower Observatory in Central Siberia, 2007–2015
Estimates of the photochemical ozone generation rate, PQ, and the ozone production efficiency (OPE) per molecule of NOx (=NO + NO2), ∆P, are obtained for the region of Central Siberia based on near surface observ...
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Article
Accumulation of Biomass and Phenolic Compounds by Calluses Oxycoccus palustris Pers. and O. macrocarpus (Ait.) Pers. in the Presence of Different Cytokinins
The purpose of the present work was to compare calluses of European cranberry (Oxycoccus pal-ustris Pers.) and American cranberry (O. macrocarpus (Ait.) Pers.) by their ability to accumulate biomass and phenolic ...
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Article
Regional Photochemical Surface-Ozone Sources in Europe and Western Siberia
The influence of climatically significant regional sources of NOx (=NO + NO2), CO, and biogenic volatile organic compounds (VOCs) on the photochemical generation of surface ozone (O3) in the lower troposphere ove...
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Article
Decrease of mesophyll conductance to CO2 is a possible mechanism of abscisic acid influence on photosynthesis in seedlings of pea and wheat
Treatment of plants by phytohormones is a perspective method of regulation of the plant stress resistance and productivity. However, the mechanisms of phytohormone effects on physiological processes require in...
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Article
Aromatic volatile organic compounds and their role in ground-level ozone formation in Russia
This paper reports proton mass spectrometry data on aromatic volatile organic compounds (VOCs) (benzene, toluene, phenol, styrene, xylene, and propylbenzene) obtained in different Russian regions along the Tra...
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Article
An in situ study of lubricant layer morphology
For the ordered phases of the mesomorphous lubricant layer to be identified, a quantitative method based on the models of epitropic liquid crystal layers for an infinitely high and finite constant viscosity ha...
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Article
Estimation of biogenic CH4 and CO2 emissions and dry deposition of O3 using 222Rn measurements in TROICA expeditions
On the basis of simultaneous measurements of surface concentrations of CH4, CO2, O3, and 222Rn during 6 TROICA (TRanscontinental Observations Into the Chemistry of the Atmosphere) expeditions along the Trans-Sibe...
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Article
A software complex for molecular simulation of boundary lubrication layers
A software complex is developed to describe tribosystems with shear processes in the lubricating layer using the methods of computer-aided simulation and molecular dynamics. The work of the central optimizing ...
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Article
Gaseous admixtures in the atmosphere over Moscow during the 2010 summer
In the summer of 2010, the Moscow megacity during two months was within the zone of action of a blocking anticyclone. The accumulation of pollutants in a closed air mass sharply changed the surface air quality...
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Article
Adding cholesterol derivatives to plastic lubricants
Plastic lubricants with additions of cholesterol derivatives undergo frictional tests. The possibility of improving the antifrictional, antiscratch, and antiwear properties of plastic lubricants by adding chol...
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Article
Gas composition of the surface air in Moscow during the extreme summer of 2010
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Article
Structured gels as lubricant and coolant mixtures in drilling
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Article
222Rn concentrations in the atmospheric surface layer over continental Russia from observations in TROICA experiments
Both space and time variations in the 222Rn concentration in the atmospheric surface layer over continental Russia were analyzed on the basis of data obtained in the Transcontinental Observations into the Chemist...
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Article
Use of a computer molecular simulation to describe lubricating layer structure
The potential of methods of computer molecule dynamics for determining the characteristics of lubricating layers are considered for hydrodynamic and boundary lubrication regimes. Examples of finding parameters...
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Article
Kinetics of formation of adsorption boundary lubricating film under lubricant starvation
The kinetics of the formation of the boundary lubricating film at severe sliding friction is described. A new probabilistic model of the adsorption process running within the interfacial capillary net is used ...
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Article
Structure and Wear Resistance of Nitrided Steel
The effect of the temperature of preliminary tempering and gas nitriding on the wear resistance and structure of surface layers of steel 38Kh2MYuA is investigated. Triboengineering and structural characteristi...
