Zobrazeno 1 - 10
of 33
pro vyhledávání: '"V. V. Konovalova"'
Publikováno v:
Тонкие химические технологии, Vol 4, Iss 4, Pp 84-89 (2009)
The novel compounds Li6MNb4O14 (M = Zn, Mg) have been synthesized and characterized in the Li2O-MO-Nb2O5 (M = Zn, Mg) system. The synthesized phases were investigated by XRD, DTA and the chemical analysis. Specific conductivity and energy of activati
Externí odkaz:
https://doaj.org/article/eeda40c945dd4cb3838280638603370c
Publikováno v:
Тонкие химические технологии, Vol 4, Iss 1, Pp 88-94 (2009)
Dielectric properties of single crystals of LiNbGeO5, crystallizing in the andalusite (β-Al2SiO5) structure, have been studied. Dielectric and conducting properties along the major crystallographic axes were investigated at frequencies from 1 to 100
Externí odkaz:
https://doaj.org/article/5e2b7388667d4d9d8745b5cc8b35d704
Functionalization of the Methyl C(sp3)–H Bond of 2,3-Dimethylquinoxaline with 5-Arylfuran-2,3-diones
Publikováno v:
Russian Journal of Organic Chemistry. 56:400-404
5-Arylfuran-2,3-diones reacted with 2,3-dimethylquinoxaline to give mono- and bis-C-acylation products, (2Z,4Z)-1-aryl-3,4-dihydroxy-5-(3-methylquinoxalin-2-yl)penta-2,4-dien-1-ones and (2Z,2′Z,4Z,4′Z)-5,5′-(quinoxaline-2,3-diyl)bis[(2Z,4Z)-1-a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95f06ef8c56922d4253986a821544a0
https://doi.org/10.1134/s1070428020030069
https://doi.org/10.1134/s1070428020030069
Publikováno v:
Journal of Ichthyology. 60:339-343
This is the first report on the infection of longfin Baikal sculpin Cottocomephorus inermis of Barguzinsky Bay (Lake Baikal) by helminths. A total of eight species of parasites belonging to five classes have been identified. The differences in the co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e041e98696353d44a445218ca89d415
https://doi.org/10.1134/s0032945220020022
https://doi.org/10.1134/s0032945220020022
Autor:
Yu. B. Skirta, I. V. Gerasimchuk, D. O. Derecha, О. Yu. Gorobets, V. V. Konovalova, A. A. Kyba, Yu. I. Gorobets
Publikováno v:
Applied Nanoscience. 9:859-863
On the basis of optical, frequency and zeta-potential investigations, we demonstrate that the gradient magnetic field causes formation of products of electrochemical reactions at metal-electrolyte interface in the form of dispersed phase (magnions).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7760a00a3e1b899df87676f280f8162c
https://doi.org/10.1007/s13204-018-0827-4
https://doi.org/10.1007/s13204-018-0827-4
Publikováno v:
Russian Journal of Organic Chemistry. 54:139-142
Methyl (Z)-4-aryl-2-hydroxy-4-oxobut-2-enoates (methyl aroylpyruvates) reacted with 1,3,3-trimethyl- 2-methylidene-2,3-dihydro-1H-indole (Fischer’s base) to give (2Z,5E)-1-aryl-3-hydroxy-5-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)pent-2-ene-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33de054dfbc71927fd47c47762da76cd
https://doi.org/10.1134/s1070428018010141
https://doi.org/10.1134/s1070428018010141
Publikováno v:
Polymer journal. 37:416-422
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c3528de34fdc010785e078a266e009b
https://doi.org/10.15407/polymerj.37.04.416
https://doi.org/10.15407/polymerj.37.04.416
Publikováno v:
Russian Journal of Organic Chemistry. 51:1566-1571
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with substituted [3,4-dihydroisoquinolin-1(2H)-ylidene]acetamides and {2,3-dihydrobenzo[f]isoquinolin-4(1H)-ylidene}acetamide to produce substituted 1,5,5',6'-tetrahydro-3'H-spiro(pyrrole-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20111636263a0c884ab7fba2dd9aa2be
https://doi.org/10.1134/s1070428015110081
https://doi.org/10.1134/s1070428015110081
Publikováno v:
Russian Journal of Organic Chemistry. 51:680-685
3-Aroylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones react with quinaldine and substituted 2-methylquinoxalines affording 3-aroyl-2-hydroxy-3a-(quinolin-2-ylmethyl)pyrrolo[1,2-a]quinoxaline-1,4-(3aH,5H)-diones and 3-aroyl-2-hydroxy-3a-(quinoxalin-2-ylm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21a55b00aaa595b27b338892ca5a03d1
https://doi.org/10.1134/s1070428015050176
https://doi.org/10.1134/s1070428015050176
Publikováno v:
Russian Journal of Organic Chemistry. 50:1779-1782
5-Arylfuran-2,3-diones reacted with heterocyclic enamines of the 2-azaspiro[4.5]deca-1,6,9-trien-8-one series to give products of β-CH-acylation of the enamino fragment. The structure of (2Z,5Z)-3-hydroxy-5-(6,9-dimethoxy-3,3-dimethyl-8-oxo-2-azaspi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e934c46983b6f661fde2fd32f1dad09
https://doi.org/10.1134/s1070428014120112
https://doi.org/10.1134/s1070428014120112