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I. L. Shkarupa L. A. Plyasunkova A. A. Ulanovskii 《Refractories and Industrial Ceramics》2008,49(4):272-276
Results are provided for a study of the microstructure of ceramics from four different producers by means of a scanning electron
microscope and x-ray microanalysis. Results show that ceramic specimens often do not correspond to claimed parameters. The
main disadvantages are ceramic structural inhomogeneity, presence of phases of a different nature, intergranular pores and
cracks, and alkali impurities. The ceramics of only one producer correspond to the main parameters for this class, and this
is provided by high production technology and starting material quality.
Translated from Novye Ogneupory, No. 7, pp. 31–35, July 2008. 相似文献
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N. M. Sitnikov V. A. Yushkov A. A. Afchine L. I. Korshunov V. I. Astakhov A. E. Ulanovskii M. Kraemer A. Mangold C. Schiller F. Ravegnani 《Instruments and Experimental Techniques》2007,50(1):113-121
A fluorescent airborne stratospheric hygrometer (FLASH) for precise water vapor measurements on board a high-altitude airplane in the upper troposphere and the lower stratosphere has been developed and produced at the Central Aerological Observatory. The range of measured water vapor concentrations is 0.5–300 ppmv at altitudes of 8–21 km. The results of laboratory tests of the instrument are compared to the data of the other hygrometers. Some results of water vapor measurements on board the Geofizika M55 high-altitude airplane in different regions of the Earth are presented. 相似文献
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M. L. Ulanovskii 《Coke and Chemistry》2012,55(12):439-443
The change in elementary composition of coal’s organic mass is analyzed. The state of the carbon dioxide, water and methane in coals beds of different metamorphic development is considered. 相似文献
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M. L. Ulanovskii 《Coke and Chemistry》2012,55(8):289-293
The variation of the combustion rate in the course of fossil-fuel metamorphism from lignite to anthracite and to graphite is due to the relative rates of two opposing but interrelated processes: deoxidation, which raises the heat of combustion; and molecular transformation with increase in condensation of the organic mass, which lowers the heat of combustion. 相似文献
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Power Physics Institute, Obninsk. Translated from Atomnaya Énergiya, Vol. 73, No. 6, pp. 470-474, December, 1992. 相似文献
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