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Найденный: 23 Экземпляр 0.001 sn
Год публикации : 2016 ✕Факультет / Институт : Fen Fakültesi ✕
Коллекция [1]
Ученые [14]
Устойчивое развитие ООН [6]
Факультет / Институт [1]
Вид публикации [2]
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Вид индекса 2 [1]
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Тематический рубрикатор [35]
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Assessment of Cd-induced genotoxic damage in Urtica pilulifera L. using RAPD-PCR analysis

İlhan DOĞAN

Plants can be used as biological indicators in assessing the damage done by bioaccumulation of heavy metals and their negative impact on the environment. In the present research, Roman nettle (Urtica pilulifera L.) was employed as a bioindicator for cadmium (Cd) pollution. The comparisons between unexposed and exposed plant samples revealed inhibition of the root growth (∼25.96% and ∼45.92% after treatment with 100 and 200 µmol/L Cd concentrations, respectively), reduction in the total soluble protein quantities (∼53.92% and ∼66.29% after treatment with 100 and 200 µmol/L Cd concentrations, re ...Более

Статья 2016 Fen Fakültesi Biotechnology and Biotechnological Equipment30 ( 2 ) 108 Просмотры
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Screening of damage induced by lead (Pb) in rye (Secale cereale L.) – a genetic and physiological approach

İlhan DOĞAN

The fields in which lead (Pb) finds application in the modern world have increased dramatically in recent years. As a consequence of this intensive utilization of Pb, its toxicity tends to pose more and more environmental problems. The aim of this study was to evaluate the genotoxic potential of Pb and to characterize some physiological parameters in Secale cereale under Pb stress. Plants were subjected to different exposure levels of Pb (0, 100, 200 and 400 µmol/L) for two weeks. At the end of the experimental period, the effects of Pb exposure on the photosynthetic pigments content (chloroph ...Более

Статья 2016 Fen Fakültesi Biotechnology and Biotechnological Equipment30 ( 3 ) 55 Просмотры
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Analysis of EST-SSRs in silver birch (Betula pendula Roth.)

İlhan DOĞAN

Simple sequence repeats (SSRs) defined as sequence repeat units between 1 and 6 bp occur abundantly in both coding and non-coding regions in eukaryotic genomes and these repeats can affect gene expression. In this study, ESTs (expressed sequence tags) of Betula pendula (silver birch) were analyzed for in silico mining of EST-SSRs, protein annotation, open reading frames (ORFs), designing primers, and identifying codon repetitions. In B. pendula, the frequency of ESTs containing SSRs was 7.8 % with an average of 1SSR/4. 78 kb of EST sequences. A total of 188 SSRs was identified by using MISA so ...Более

Статья 2016 Fen Fakültesi Journal of Forestry Research27 ( 3 ) 76 Просмотры
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Uniformities for Wallman compactifications and realcompactifications

Asılbek ÇEKEEV

The natural methods of uniform topology for construction of Wallman compactifications and Wallman realcompactifications are developed. Results on partial order and relations of dimensions in the lattice of compactifications are presented. The construction of the maximal compactification among compactifications of X with fixed realcompactification is given. - MSC 54E15; 54D35; 54D60; 54F45 . - Keywords: Uniformity; (Wallman, β-like) compactification; (Wallman) realcompactification; Normal base; Dimension

Доклады конференции 2016 Fen Fakültesi Topology and its Applications201 90 Просмотры
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Rumen ciliate protozoa of domestic sheep (Ovis aries) and goat (Capra aegagrus hircus) in Kyrgyzstan

Nurbek ALDAYAROV

Species composition and concentration of rumen ciliate protozoa were investigated in the rumen contents of 14 domestic sheep and 1 goat living in Bishkek, Kyrgyzstan. This is the first report on rumen ciliates from ruminants living in Kyrgyzstan. In sheep 12 genera, 28 species and 12 morphotypes were detected, whereas in goat 8 genera, 12 species and 4 morphotypes were detected. The density of ciliates in sheep was (28.1 ± 20.0) × 104 cells mL−1 and in goat was 37.0 × 104 cells mL−1. Dasytricha ruminantium, Isotricha prostoma, Entodinium simulans and Ophryoscolex caudatus were major species (1 ...Более

Статья 2016 Fen Fakültesi FEMS Microbiology Letters363 ( 6 ) 73 Просмотры
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Outbreak of sheeppox in farmed sheep in Kyrgystan: Histological, eletron microscopical and molecular characterization

Nurbek ALDAYAROV | Zarima CUMAKANOVA | Askarbek TÜLÖBAEV

On a farm in the Kyrgyz Republic, several dead sheep were found without any history of illness. The sheep showed several ulcerations on lips and bare-skinned areas. At necropsy the lungs showed multiple firm nodules, which were defined as pox nodules histologically. In the rumen hyperkeratotic plaques were visible. With electron microscopy pox viral particles were detected and confirmed with qPCR as Capripoxviruses. Although all members of the Capripoxvirus genus are eradicated in western countries, this study should remind us of the classical lesions observed in poxvirus infections. Keywords: ...Более

Статья 2016 Fen Fakültesi Schweizer Archiv für Tierheilkunde158 ( 7 ) 99 Просмотры
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On the property of equal ratios in the problem of boundary vector control of elastic vibrations described by Fredholm integro-differential equations = О равных отношениях в задаче граничного векторного управления упругими колебаниями, описываемыми фредгольмовыми интегро-дифференциальными уравнениями

Elmira ABDILDAYEVA

В статье исследуется нелинейная задача оптимального управления упругими колебаниями, описываемыми фредгольмовыми интегро-дифференциальными уравнениями в случае, когда управление осуществляется граничными источниками. В исследовании использовано понятие обобщенного решения краевой задачи управляемого процесса. На основе принципа максимума для систем с распределенными параметрами получены условия оптимальности в виде систем равенств и неравенств. Обнаружено, что условия оптимальности в виде равенств обладают свойством равных отношений. Это обстоятельство позволило упростить процедуру построения ...Более

Статья 2016 Fen Fakültesi Труды Института математики и механики УрО РАН22 ( 2 ) 65 Просмотры
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On the Solvability of a Nonlinear Optimization Problem for Thermal Processes Described by Fredholm Integro-Differential Equations with External and Boundary Controls

Elmira ABDILDAYEVA

In the present paper we studied the problem of nonlinear optimal control of the thermal processes described by Fredholm integro-differential equations when the control parameters are nonlinearly included into the equation as well as into the boundary condition. The concept of weak generalized solution of the boundary value problem is introduced and the algorithm for its construction is indicated. It is established that optimal control is defined as the solution of the system of nonlinear integral equations which contain unknown functions under and out of the integral and satisfy the additional ...Более

Статья 2016 Fen Fakültesi Applied Mathematics and Information Sciences10 ( 1 ) 26 Просмотры
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Solving Linear Fredholm-stieltjes Integral Equations Of The Second Kind By Using The Generalized Simpson’s Rule = İkinci tür lineer Fredholm-Stieltjes integral denklemlerinin genelleştirilmiş Simpson kuralı ile çözümü

Avıt ASANOV

In this paper, the generalized Simpson's rule (GSR) is applied to solve linear Fredholm-Stieltjes integral equations of the second kind (LFSIESK). A numerical example is presented to illustrate the method by using Maple. In some cases depending on the number of subintervals “n” , the results are calculated and compared. The graph of these results is plotted. An algorithm of this application is given by using Maple. - Keywords: Approximate Solutions, Linear Fredholm-Stieltjes Integral Equations, Simpson's Rule.

Статья 2016 Fen Fakültesi MANAS Journal of Engineering (MJEN)4 ( 1 ) 66 Просмотры
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Solutions of the Rational Difference Equations X(n+1)=x(n-3)/(1+x(n)x(n-1)x(n-2))

Dağıstan ŞİMŞEK

In this paper a solution of the following of difference equations is examined, X(n 1)=x(n-3)/(1 x(n)x(n-1)x(n-2)) (1). - Keywords: Difference Equation, Period Eight Solution

Статья 2016 Fen Fakültesi MANAS Journal of Engineering (MJEN)4 ( 1 ) 70 Просмотры
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X(n+1)={1/x(n-1),y(n)/x(n)};y(n+1)={1/y(n-1),x(n)/y(n)} Maksimumlu Fark Denklem Sisteminin Çözümleri

Dağıstan ŞİMŞEK | Burak OĞUL

Aşağıdaki fark denklem sisteminin çözümlerinin periyodikliği ve davranışları incelenmiştir.- Keywords: Fark Denklemi, Maksimum Operatörü, Yarı Dönmeler, Periyodiklik

Статья 2016 Fen Fakültesi MANAS Journal of Engineering (MJEN)4 ( 1 ) 99 Просмотры
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Integrating Technology Into Instruction at a Public University in Kyrgyzstan: Barriers and Enablers

Gülşat MUHAMETJANOVA

The purpose of this study was to determine enablers and barriers to the technology integration into education based on the example of the situation at the Kyrgyz-Turkish Manas University as reported by students and instructors. The study employed the mixed-methods research design, combining data obtained from 477 student and 57 instructor questionnaires supplemented by interviews with 11 students and 9 instructors. The study revealed that although technology is being used at the universities all over the country, there still exists the lack of both hardware and software laboratories and the in ...Более

Статья 2016 Fen Fakültesi Eurasia Journal of Mathematics Science and Technology Education12 ( 10 ) 56 Просмотры
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