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Main Journal Archive of articles

Natural sciences

Number of the journal, №: 2015. № 2

Methods of integro-differential equations solution.

Annotation: This article is intended for those who are faced with the task of the integro-differential equation solution
where y(x) is the desired function, K(x, t) and f(x) are known functions defined on the interval [a, b]. To solve
the integro-differential equation, in the article it is first encouraged to review the definitions and theorems of
integral-differential equations. Next, methods of integral-differential equations solution and some examples of
their solution are considered

On solution of geometric problems with a complex figure

Annotation: In the article it is highlighted a unconventional approach to problem solving method with ambiguous
geometry figure in a school course allowing a complex figure according to the source data. Some problems of
this type are presented; the different approaches to drawing of each figure to each of these problems are sited;
tips on their solution are given. The interpretation of these problems applying The Geometer's Sketchpad
developed by Nicholas Jackiw and Scott Steketee should draw the interest of teachers and students.

Antimicrobial effects of natural honey

Annotation: This article is written in line with the important questions on antimicrobial effects of natural honey
against gram-positive bacteria to reveal the therapeutic properties. These circumstances demonstrate the
medical and social significance of solving the science-oriented task of developing high-quality pharmaceutical
product on the basis of honey as well as its application not only as a preventive and medicinal agent to treat
many illnesses but also as in beauty treatment.

Number of the journal, №: 2014. № 3

Outstanding German researches of mountains of Kazakhstan

Annotation: Activity of German scientists who explored mountain systems of Kazakhstan and Russia is considered in
the article. Scientific biographies of P.S. Pallas and H. Merzbacher is presented.

Anthelmintic preparations that cause side effects in children

Annotation: Today the clinical manifestation of enterobiosis is studied adequately. However, global environmental
changes for the last decades, the widespread use of anthelmintic preparations, medications and number of
other factors have changed the clinical data of parasitic infestations. Today a question of treatment of parasitic
infestationsof children is not fully resolved. Despite the availability of a wide range of antiparasitic agents,
they possess a lot of side effects. Moreover, currently, there is a tendency that many parasites develop
tolerance for antiparasitic preparations.
In this regard search methods for early, highly-qualified, informative and specific verification
of helminth-parasitic infestation remain relevant in order tocarry out timely treatment with the methods, which
have minimal side effects and possess high efficacy against parasitic infections of children.

Anthelmintic preparations that cause side effects in children

Annotation: Today the clinical manifestation of enterobiosis is studied adequately. However, global environmental
changes for the last decades, the widespread use of anthelmintic preparations, medications and number of
other factors have changed the clinical data of parasitic infestations. Today a question of treatment of parasitic
infestationsof children is not fully resolved. Despite the availability of a wide range of antiparasitic agents,
they possess a lot of side effects. Moreover, currently, there is a tendency that many parasites develop
tolerance for antiparasitic preparations.
In this regard search methods for early, highly-qualified, informative and specific verification
of helminth-parasitic infestation remain relevant in order tocarry out timely treatment with the methods, which
have minimal side effects and possess high efficacy against parasitic infections of children.

Number of the journal, №: 2014. № 1

Symmetric polynomials of two variables

Annotation: A method of solving symmetric polynomials of two variables is presented in the article.
Several of such problems have been solved. There are very hard problems among them which were included in
Mathematical Olympiads.

Author: R.S. Akhmetov

Rare species of reptiles of the Nakhchivan Autonomous Republic

Annotation: Based on the analysis of own and literature data 9 numerically insignificant species of reptiles were found at the territory of the autonomous republic. One of these species belongs to a group of turtles (Testudines), three of them belong to a group of lizards (Sauria) and five of them belong to a group snakes (Serpentes). Systematics, ecological and some biological peculiarities of species are reflected in the article. During the research previously registered Psammophis lineolatus has not been found and its existence at the territory of the Nakhichevan Autonomous Republic is under question.

Author: A.F.Mamedov

Modeling of chemical technology tasks

Annotation: This article considers mathematical methods of solving problems of chemical technology
described by differential equations. Solution of practical problems is obtained by analytical and numerical
methods.

Species belonging to Aspleniaceae Newm. and Pteridaceae Reichenb. families which are spread in the Nakhchivan Autonomous Republic

Annotation: The article presents information on the distribution of some species of ferns at the territory of the Nakhchivan Autonomous Republic. The authors note that 10 species of plants are summed in 4 families and 7 genera which belong to ferns. In Aspleniaceae Newm. family it can be found 4 species in two genera in Pteridaceae Reichenb. There are two species in one genus. Data about the area of distribution of these species and their significance are provided in the article.

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