Electronic catalog
theme:Математика и естественные науки
Search result:
8321-8330 of 14732
abstract
СУЛЕЙМЕНОВА, АСЕЛЬ АСКАРОВНА
Синтез некоторых азотсодержащих гетероциклических соединений в условиях микроволнового облучения : автореф. дис. ... канд. хим. наук : 02.00.03 / Сулейменова, Асель Аскаровна ... – Караганда : [б. и.], 2009. - 22 с. . . – 130 экз. – не указан : [б. ц.]
UDC:
547
Shelf code:
А 2009/1843
Subject headings
- Органическая химия
Annotation
Цель исследования заключалась в изучении влияния микроволнового облучения на характер и скорость течения химической реакции в синтезе 1,3-оксазолидинов, 1,3-диоксоланов, пиразинов, тиазолов, 1,4-дигидропиридинов и других азотсодержащих гетероциклических соединений, являющихся носителями биологической активности, в разработке новых экологичных и экономичных методов их синтеза
Keywords
синтез азотсодержащих соединений, азотсодержащие гетероциклические соединения, химия, химия органическая
0/0 Free
abstract
ХАМЗИНА, ГУЛЬНУР ТАЛГАТОВНА
Изучение реакций С-Н, N-H аминометилирования, окисления и гидразинолиза некоторых аминов в условиях микроволнового облучения : автореф. дис. ... канд. хим. наук : 02.00.03 / Хамзина, Гульнур Талгатовна ... – Караганда : [б. и.], 2009. - 22 с. . . – 130 экз. – не указан : [б. ц.]
UDC:
547
Shelf code:
А 2009/1844
Subject headings
- Органическая химия
Annotation
Цель работы заключается в разработке новых эффективных методов проведения реакции С - Н, N - Н аминометилирования по Манниху
Keywords
химия, химия органическая, изучение реакций, микроволновое облучение
0/0 Free
abstract
BECYV, ALBERT
Ecosystems of tengiz depression`s south : Abstract of thesis for the academic degree of Doctor of Philosophy (PhD) in the specialty / Becyv, Albert ... – Astana : [N. p.], 2010. - 25 p. . – Bibiliogr.: 23 p. . – 100 c. – не указан : [N. p.]
UDC:
502.7+631.4
Shelf code:
А 2010/4457
Subject headings
- Earth subsoil
- Soil science
Annotation
Purpose is to identify the floristic diversity and phytocenotics variety of Tengiz depression ecosystems
Keywords
ecosystem, plant associations, flora of ecosystems of Tengiz, distribution of vegetation ecosystems
1/1 Free
abstract
UKHMAN, ALEXANDR VASIL`EVICH`
s- numbers and a spectrum of integral operators : extended abstract concerning this dissertation for submission for the academic degree of doctor of philosophy / Ukhman, Alexandr Vasil`evich` ... – Astana : [N. p.], 2010. - 20 p. . – Bibliogr.: p. 15-16, p. 18 . – 100 c. – не указан : [N. p.]
UDC:
517.968
Shelf code:
А 2010/4460
Subject headings
- Integral equations
Annotation
The purpose of the research thesis is the theory of s-numbers of linear bounded integral operators
Keywords
integral equations, dissertation, spectrum of integral operators, s-numbers, mathematics, abstract
2/2 Free
abstract
ZHUBANYSHEVA, AXAULE ZHANBYRSHIYEVNA
Theory and practice of realization of effective algorithms for finding the optimal coefficients in Korobov sense : abstract of the dissertation for competition of academic degree of PhD / Zhubanysheva, Axaule Zhanbyrshiyevna ... – Astana : [N. p.], 2010. - 23, [2] p. . – Bibiliogr. in footnote ; 23 p. . – 80 c. – не указан : [N. p.]
UDC:
517.968
Shelf code:
А 2010/4458
Subject headings
- Integral equations
Annotation
The research objects of the thesis are the theoretical problem of construction and the practical problem of numerical realization of algorithms for finding the optimal coefficients of quardrature formulas
Keywords
effective algorithms, optimal coefficients, numerical realization of algorithms, integral equations, mathematics, abstract
2/2 Free
abstract
NURIMOV, BAUYRZHAN SERIKBAYEVICH
Bounded solutions of a class of elliptic systems in the plane with singularities / Nurimov, Bauyrzhan Serikbayevich ... – Astana : [N. p.], 2009. - 16 p. . . – 100 c. – [N. i.] : [N. p.]
UDC:
517.911
Shelf code:
А 2012/6577
Subject headings
- Common problems in the theory of differential equations
Annotation
The main aim of this dissertational work is to prove the existence and uniqueness of the solution of Dirichlet problem for the equation of Karlemann-Vekua with singular point in a unit disk and to study the solvability
Keywords
solution of Dirichlet, differential equation, nonlinear elliptic systems
1/1 Free
abstract
NAURAZBEKOVA, ALTYNGUL SERIKOVNA
Structure of free dual Leibniz algebras : abstract of the dissertation for competition of academic degree of PhD / Naurazbekova, Altyngul Serikovna ... – Astana : [N. p.], 2010. - 16, [4] p. . – Bibiliogr.: 13-16 p. . – 80 c. – не указан : [N. p.]
UDC:
512.4
Shelf code:
А 2010/4459
Subject headings
- The theory of groups
Annotation
This work is devoted to the investigation of the structure of free dual Leibniz algebras
Keywords
mathematics, abstract, algebras, free dual algebras, mathematic theory
1/1 Free
abstract
SARYBEKOVA, LYAZZAT OMAROVNA
Fourier series and fourier transform multipliers in lorentz spaces : extended abstract concerning this dissertation for submission for the academic degree of doctor of philosophy / Sarybekova, Lyazzat Omarovna ... – Astana : [N. p.], 2009. - 21 p. . – Bibiliogr.: 10-12 p. . – 70 c. – не указан : [N. p.]
UDC:
517.5
Shelf code:
А 2012/6579
Subject headings
- The theory of functions
Annotation
The purpose of the thesis are mainly to receive sufficient conditions for sequences for belonging to the space of Fourier series multiplier and sufficient conditions for functions for belonging to the space of Fourier transform multiplier
Keywords
mathematics, abstract, theory of multipliers, multipliers of series and transform, theory of interpolation, mathematic spaces
1/1 Free
abstract
KULMAMBETOVA, GULMIRA NIGMETZHANOVNA
Research on molecular mechanisms of Lactobacillus casei acid-forming activity : author`s abstract of Biology PhD Doctoral thesis / Kulmambetova, Gulmira Nigmetzhanovna ... – Astana : [N. p.], 2009. - 22, [4] p., fig.; . – Bibiliogr.: 21-22 p. . – 100 c. – не указан : [N. p.]
UDC:
579.86:573
Shelf code:
А 2012/6582
Subject headings
- Biology. Microbiology
Annotation
Purpose of the work is study the analysis of the molecular mechanisms of acid production activity in the Lactobacillus casei strain
Keywords
molecular mechanisms, biology, microbiology, abstract, organic acids, bacterias, microorganisms, metabolites, lactic acid bacteria
1/1 Free
abstract
AZMAGANBETOVA, ZHANNUR
Luminescence of pure and doped with rare - earth ions CaSO4 phosphors under excitation by VUV radiation or electrons : Abstract of the thesis aimed to earn academic degree of Doctor of Philosophy (PhD) / Azmaganbetova, Zhannur ... – Astana : [N. p.], 2009. - 18, [2] p., fig.; . – Bibiliogr.: 18 p. . – 100 c. – не указан : [N. p.]
UDC:
539.2
Shelf code:
А 2012/6581
Subject headings
- Solid state physics
Annotation
The purpose of the research thesis is to clarify the nature of intrinsic and impurity luminescence and the basic mechanisms of energy transfer to luminescence centers under excitation by VUV radiation of 4-30 eV as well as of law-temperature radiation processes at 5 keV-electron irradiation in calcium sulphates doped with rare-earth ions
Keywords
physics, abstract, luminescence, rare-earth ions, electronic excitation, temperature radiation process, electron-hole recombination
1/1 Free
СУЛЕЙМЕНОВА, АСЕЛЬ АСКАРОВНА
СИНТЕЗ НЕКОТОРЫХ АЗОТСОДЕРЖАЩИХ ГЕТЕРОЦИКЛИЧЕСКИХ СОЕДИНЕНИЙ В УСЛОВИЯХ МИКРОВОЛНОВОГО ОБЛУЧЕНИЯ (2009)
abstract
0/0 Free
ХАМЗИНА, ГУЛЬНУР ТАЛГАТОВНА
ИЗУЧЕНИЕ РЕАКЦИЙ С-Н, N-H АМИНОМЕТИЛИРОВАНИЯ, ОКИСЛЕНИЯ И ГИДРАЗИНОЛИЗА НЕКОТОРЫХ АМИНОВ В УСЛОВИЯХ МИКРОВОЛНОВОГО ОБЛУЧЕНИЯ (2009)
abstract
0/0 Free
abstract
1/1 Free
UKHMAN, ALEXANDR VASIL`EVICH`
S- NUMBERS AND A SPECTRUM OF INTEGRAL OPERATORS (2010)
abstract
2/2 Free
ZHUBANYSHEVA, AXAULE ZHANBYRSHIYEVNA
THEORY AND PRACTICE OF REALIZATION OF EFFECTIVE ALGORITHMS FOR FINDING THE OPTIMAL COEFFICIENTS IN KOROBOV SENSE (2010)
abstract
2/2 Free
NURIMOV, BAUYRZHAN SERIKBAYEVICH
BOUNDED SOLUTIONS OF A CLASS OF ELLIPTIC SYSTEMS IN THE PLANE WITH SINGULARITIES (2009)
abstract
1/1 Free
NAURAZBEKOVA, ALTYNGUL SERIKOVNA
STRUCTURE OF FREE DUAL LEIBNIZ ALGEBRAS (2010)
abstract
1/1 Free
SARYBEKOVA, LYAZZAT OMAROVNA
FOURIER SERIES AND FOURIER TRANSFORM MULTIPLIERS IN LORENTZ SPACES (2009)
abstract
1/1 Free
KULMAMBETOVA, GULMIRA NIGMETZHANOVNA
RESEARCH ON MOLECULAR MECHANISMS OF LACTOBACILLUS CASEI ACID-FORMING ACTIVITY (2009)
abstract
1/1 Free
AZMAGANBETOVA, ZHANNUR
LUMINESCENCE OF PURE AND DOPED WITH RARE - EARTH IONS CASO4 PHOSPHORS UNDER EXCITATION BY VUV RADIATION OR ELECTRONS (2009)
abstract
1/1 Free