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Общее количество найденных документов : 57
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 1-10    11-20   21-30   31-40   41-50   51-57 
1.
Инвентарный номер: нет.
   
   A 10


   
    A new application of derivatives of polychlorobiphenyls and polyethylene glycols / T. I. Gorbunova, M. G. Pervova, E. B. Trushina, S. V. Pavlysko, A. Ya. Zapevalov, V. I. Saloutin // Russian Journal of Applied Chemistry. - 2012. - Vol.85, №10. - С. 1622-1626
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLOROBIPHENYLS -- POLYETHYLENE GLYCOLS -- SYNTHESIS
Аннотация: The reaction of congeners of Sovol technical mixture of polychlorobiphenyls with polyethylene glycols was studied. Mixtures of hydroxy and mono(polyethylene glycol)oxy derivatives were obtained. The mixtures synthesized, which are of low hazard, were used as additives to industrial oil to improve its tribological char

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2012, v. 85, N 10, p.1662.pdf
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2.
Инвентарный номер: нет.
   
   A 10


   
    A study of the physico-chemical features of the [(perfluoroalkyl)methyl]oxirane amino derivatives based on the hexafluoropropylene oxide trimer / D. N. Bazhin, T. I. Gorbunova, A. Ya. Zapevalov, I. V. Beketov, V. I. Saloutin // Russian Journal of General Chemistry. - 2011. - Vol.81, №9. - С. 1829-1833
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PHYSICO-CHEMICAL FEATURES -- HEXAFLUOROPROPYLENE -- OXIDE TRIMER
Аннотация: The 1,2-epoxy-4,6,6,7,9,9,10,10,11,11,11-undecafluoro-4,7-bis(trifluoromethyl)-5,8-dioxaundecane was synthesized for the first time on the basis of the hexafluoropropylene oxide trimer. We showed that it reacted with diethylamine, morpholine, or N-methylpiperazine to afford the product of regioselective cleavage of the oxirane ring. The processing of nano-sized copper powder with a solution of the obtained hydroxyamine solution in acetone allowed the formation of the hydrophobic metal coating

\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 81, N 9, p. 1829–1833.pdf
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3.
Инвентарный номер: нет.
   
   A 20


   
    Addition of polyfluoroalkyl iodides to allyl glycidyl ether [Electronic resource] / D. N. Bazhin, T. I. Gorbunova, A. Ya. Zapevalov, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2007. - Vol. 56, № 8. - P1534-1536. - Библиогр. : с. 1536 (24 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Addition of polyfluoroalkyl iodides to the double bond of allyl glycidyl ether occurred under mild conditions (20-25 °C, MeCN/H2O, Na2S2O4, NaHCO3) with retention of the oxirane ring.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2007, 56 (8), 1534-1536.pdf
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4.
Инвентарный номер: нет.
   
   A 25


   
    Aggregative stability of the CdS nanoparticles-H2O colloidal dispersion system in the presence of surfactants / N. S. Kozhevnikova, T. I. Gorbunova, A. S. Vorokh, D. N. Bazhin, A. Ya. Zapevalov, V. I. Saloutin, A. A. Rempel, O. N. Chupakhin // Doklady Chemistry. - 2012. - Vol.443, №1. - С. 86-90
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CdS -- COLLOIDAL DISPERSION SYSTEM -- AGGREGATIVE STABILITY

\\\\Expert2\\nbo\\Doklady Chemistry\\2012, v. 443, N 1, p. 86-90.pdf
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5.
Инвентарный номер: нет.
   
   A 53


   
    An interdisciplinary approach to the problem of neutralization of man-made polychlorinated biphenyls [Electronic resource] / T. I. Gorbunova, M. G. Pervova, A. A. Panyukova, D. O. Egorova, V. I. Saloutin, V. A. Demakov, O. N. Chupakhin // Doklady Chemistry. - 2014. - Vol.454, №2. - С. 19-24. - Bibliogr. : p. 24 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLORINATED BIPHENYLS -- BACTERIAL DEGRADATION

\\\\expert2\\nbo\\Doklady Chemistry\\2014, v. 454, N 2, p.19-24.pdf
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6.
Инвентарный номер: нет.
   
   A 62


   
    Antifriction properties of fluorine-containing poly(ethylene glycol) esters / T. I. Gorbunova, D. N. Bazhin, A. Ya. Zapevalov, L. G. Korshunov, I. V. Beketov, V. I. Saloutin // Russian Journal of Applied Chemistry. - 2012. - Vol.85, №2. - С. 267-271
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ANTIFRICTION PROPERTIES -- FLUORINE-CONTAINING POLY(ETHYLENE GLYCOL) ESTERS -- EQUILIBRIUM MIXTURES
Аннотация: Equilibrium mixtures of fluorine-containing mono- and diesters based on poly(ethylene glycol) (M = 1000) were synthesized. The effect of these compounds on antifriction properties of industrial oil was studied

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2012, v. 85, N 2, p.267.pdf
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7.
Инвентарный номер: нет.
   
   A 62


   
    Antifriction properties of new fluorine-containing derivatives of natural graphite / T. I. Gorbunova, A. Ya. Zapevalov, D. N. Bazhin, L. G. Korshunov, V. S. Gaviko, V. I. Saloutin // Russian Journal of Applied Chemistry. - 2012. - Vol.85, №1. - С. 102-107
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ANTIFRICTION PROPERTIES -- FLUORINE-CONTAINING DERIVATIVES -- GRAPHITE
Аннотация: Interaction of natural graphite with potassium salts of perfl uoro(ω-chloroperfl uoro)carboxylic acids in the presence of potassium persulfate was studied. The derivatives obtained were used as independent lubricants for a chromium-containing-steel friction pair

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2012, v. 85, N 1, p.102.pdf
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8.
Инвентарный номер: нет.
   
   B 12


   
    Bacterial degradation of a mixture obtained through the chemical modification of polychlorinated biphenyls by polyethylene glycols / D. O. Egorova, T. I. Gorbunova, M. G. Pervova, V. A. Demakov // Applied Biochemistry and Microbiology. - 2014. - Vol. 50, № 7. - С. 722-729. - Bibliogr. : p. 729 (29 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
BACTERIAL DEGRADATION -- CHEMICAL MODIFICATION -- POLYETHYLENE GLYCOLS
Аннотация: Polychlorinated biphenyls (PCBs), also known by the trade name Sovol, are toxic industrial wastes. They have been subjected to chemical treatment by polyethylene glycols (PEGs) and potassium hydroxide. As a result of the interaction of the Sovol with various molecular mass PEGs (MMPEG-4 ∼ 200, MMPEG-22 ∼ 1000), water-soluble mixtures M1 and M2 containing mono(polyethylene glycol)oxy-derivatives (PCB-PEG-4 and PCB-PEG-22), polychlorobiphenylols, and unreacted PCB congeners (PCB 44, PCB 47, PCB 49, PCB 52, and PCB 66) were obtained. It was shown for the first time that mixtures M1 and M2 are susceptible to bacterial degradation without their fractionation. According to the gas-liquid chromatography with flame-ionization and mass-spectrometric detection, the Rhodococcus wratislaviensis KT112-7 strain degraded all of the chemical compounds occurring in the mixtures. In a 5-day experiment, it was found that the KT112-7 strain decomposes mono(polyethylene glycol)oxy-derivatives completely (by 100%) and polychlorobiphenylols and PCB congeners by 90–95% in the M1 and M2 mixtures. The culture medium did not contain transformation products, whereas free chlorine ions were accumulated (72–94% of the maximum possible amount). Thus, the use of the chemical modification and consecutive bacterial degradation provided an effective destruction of technical PCB mixtures with a high content of highly chlorinated congeners

\\\\expert2\\nbo\\Applied Biochemistry and Microbiology\\2014, v.50, N 7, p.722-729.pdf
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9.
Инвентарный номер: нет.
   


   
    Bacterial degradation of PCB 70 and its hydroxy derivatives is an environmentally friendly way to destroy pops / T. D. Kir'yanova, D. O. Egorova, T. I. Gorbunova, M. G. Pervova // Bio Web of Conferences : International Scientific and Practical Conference “Innovations, Technological Solutions and Management in Modern Biotechnology and Biomedicine” (ITSM-2022). - Pushchino, 2023. - P09002
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: One of the problems of our time is the environmentally safe destruction of polychlorinated biphenyls (PCBs) and their hydroxylated derivatives. The aim of the study was to investigate the features and prospects of the decomposition of PCB 70 (2,5,3',4'-tetrachlorobiphenyl) and hydroxylated chlorobiphenyls derived from it by Rhodococcus wratislaviensis strain CH628. As a result of the application of methods of periodic cultivation, gas chromatography and light spectrometry, it was found that the efficiency of destruction of PCB 70 1 g of cells of strain CH628 was 90 mg PCB/day, and the same indicator for a mixture consisting of hydroxy derivatives obtained from PCB 70 was 56 mg PCB/day. It was shown that the strain uses all components of the mixture of hydroxy-PCB 70 as a growth substrate, but with different degradation rates. When cultivated in a mineral medium with PCB 70 or a mixture of hydroxy-PCB 70, strain CH628 forms biofilms. The analysis of the obtained results shows that the use of the Rhodococcus wratislaviensis CH628 strain will make it possible to develop a technology for the environmentally safe destruction of PCB 70 and hydroxy-PCBs derived from it.

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10.
Инвентарный номер: нет.
   
   D 32


   
    Dehydroiodination of 2-iodo-3-(polyfluoroalkyl)propoxymethyloxiranes [Electronic resource] / D. N. Bazhin, T. I. Gorbunova, A. Ya. Zapevalov, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2007. - Vol. 56, № 11. - P2236-2238. - Bibliogr. : p. 2238 (8 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
DEHYDROIODINATION -- GLYCIDYL ETHERS -- OLEFINS -- ORGANOFLUORINE COMPOUNDS
Аннотация: Dehydroiodination of 2-iodo-3-(polyfluoroalkyl)propoxymethyloxiranes upon treatment with 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) afforded (polyfluoroalk-2-enyl)oxymethyloxiranes as E-and Z-isomers in ratio depending on the nature of the fluoroalkyl substituent.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2007, 56 (11), 2236.pdf
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