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Your search keyword '"Frolov, V. I."' showing total 108 results
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108 results on '"Frolov, V. I."'

1. Physical Modeling of the Gas Reservoir of the Turonian Horizon

Author

Bakulin, D. A., Dubinich, V. N., Khamidullina, I. V., Lyubimenko, V. A., Grishina, I. N., Frolov, V. I., Stytsenko, V. D., Khlebnikov, V. N., di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Ha-Minh, Cuong, editor, Tang, Anh Minh, editor, Bui, Tinh Quoc, editor, Vu, Xuan Hong, editor, and Huynh, Dat Vu Khoa, editor

Published
2022
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3. Complex Technology of Oil Sludge Processing

Author

Anisimov, A. V., Frolov, V. I., Ivanov, E. V., Karakhanov, E. A., Lesin, S. V., Vinokurov, V. A., Anisimov, K. V., editor, Dub, A. V., editor, Kolpakov, S. K., editor, Lisitsa, A. V., editor, Petrov, A. N., editor, Polukarov, V. P., editor, Popel, O. S., editor, and Vinokurov, V. A., editor

Published
2018
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34. The models of the denaturation of globular proteins. III. The intramolecular ß-structure coil transitions in poly-S-carbobenzoxymethyl-l-cysteine

Author

Anufrieva, E. V., Birshtein, T. M., Bolotina, I. A., Burshtein, L. L., Eskin, V. E., Frolov, V. I., Illarionova, N. G., Kalikhevich, V. I., Korotkina, O. Z., Mitin, Yu. V., Ptitsyn, O. B., Purkinas, A. V., and Volchek, B. Z.

Abstract

Conformational transitions in synthetic poly-S-carbobenzoxymethyl-l-cysteine (PCBMC) have been investigated in order to model the processes of the denaturation of globular proteins. The solutions of some samples of PCBMC in the mixtures of nonpolar solvents (dichloroethylene, chloroform) with highly polar solvents (dichloroacetic or trifluoroacetic acids) have been studied by viscosimetric, polarimetric, spectroscopic, and dielectric methods, as well as by light scattering and electronic microscopy. Intrinsic viscosity and levorotation increase sharply when solvent breaking hydrogen bonds are added in the narrow range of the solvent composition, the molecular weight (measured by light scattering) remaining constant. It means that intramolecular cooperative conformational transition occurs in the PCBMC molecules. The dispersion of optical activity shows the absence of the helical structures in PCBMC molecules for any solvent composition. Infrared spectra show that the PCBMC molecules possess ß-structure in inert solvents and in films; and viscometric and polarimetric data suggest that this structure is an intramolecular one and corresponds to the compact shape of the PCBMC molecules in solution. The compact structure of PCBMC molecules in nonpolar solvents is also confirmed by dielectric data. The experimental results permit us to draw the conclusion that cooperative conformational transition involving intramolecular ß-structure statistical coil occurs in PCBMC when solvent breaking hydrogen bonds are added. The position and the degree of sharpness of the transition do not depend on the molecular weight of the sample in the interval investigated (from 15,000 to 91,000). The “plate” model of the intramolecular ß-structure has been proposed which does not contradict the results of the electron microscopic study. An assumption is made that owing to the two dimensional character of the intramolecular cross-ß-structure its melting occurs in accordance with the “all-or-none” principle.

Published
1967
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44. The models of the denaturation of globular proteins. III. The intramolecular β‐structure coil transitions in poly‐S‐carbobenzoxymethyl‐l‐cysteine

Author

Anufrieva, E. V., primary, Birshtein, T. M., additional, Bolotina, I. A., additional, Burshtein, L. L., additional, Eskin, V. E., additional, Frolov, V. I., additional, Illarionova, N. G., additional, Kalikhevich, V. I., additional, Korotkina, O. Z., additional, Mitin, Yu. V., additional, Ptitsyn, O. B., additional, Purkinas, A. V., additional, and Volchek, B. Z., additional

Published
1967
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46. [Secondary osteosarcoma (in a dog) after bone fracture healed on the secondary type].

Author

Solov'ev IuN, Mitin VN, Garanin DV, and Frolov VI

Subjects
Animals, Bone Neoplasms pathology, Bone Neoplasms therapy, Bone Resorption, Dogs, Male, Osteosarcoma pathology, Osteosarcoma therapy, Time Factors, Bone Neoplasms etiology, Femoral Fractures complications, Femur pathology, Osteosarcoma etiology
Abstract

A case is reported of osteosarcoma arising in a dog after the fracture of the femur. The tumor was diagnosed 6 years after the trauma. We suppose that the cause of malignant transformation in this case was a permanent mechanical trauma, restructuration and regeneration of the bone. This mechanism, possibly, also may take place in the genesis of primary osteosarcomas.

Published
1998

47. [Conscious actions of fatally wounded children].

Author

Ignat'ev NV and Frolov VI

Subjects
Child, Humans, Male, Thoracic Injuries psychology, Wounds, Penetrating psychology, Thoracic Injuries pathology, Thorax pathology, Wounds, Penetrating pathology
Published
1977

48. [Cylindroma of the larynx].

Author

Khriakova NM, Shchur EZ, and Frolov VI

Subjects
Humans, Male, Middle Aged, Carcinoma, Adenoid Cystic pathology, Laryngeal Neoplasms pathology
Published
1984

49. [Present-day status of tularemia prevention in the USSR and further tasks].

Author

Nikolaevskiĭ GP, Frolov VI, and Morozov VI

Subjects
Animals, Bacterial Vaccines administration & dosage, Disease Reservoirs, Francisella tularensis immunology, Humans, Tularemia epidemiology, USSR, Zoonoses epidemiology, Tularemia prevention & control
Abstract

Despite the presence of natural foci of infection at the territory of all the Union republics (excluding the Kirghiz SSR) and intensive epizootics among rodents, tularemia in the USSR is under full control from 1965. Further differentiation of antitularemia measures, depending on local conditions of economy management and the presence of natural foci of infection is necessary.

Published
1978

50. [Enterocystomas of the abdominal cavity].

Author

Myts BV, Paskal' AA, and Frolov VI

Subjects
Adult, Female, Hamartoma diagnosis, Humans, Middle Aged, Pancreatic Neoplasms diagnosis, Peritoneal Neoplasms diagnosis, Hamartoma surgery, Mesentery, Pancreatic Neoplasms surgery, Peritoneal Neoplasms surgery
Published
1972

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