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171.
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32.81
B19
Balakayeva , G. T
Mathematical and numerical modeling of transfer processes in the cleaning ofexhaust gases in an automobile neutralizer [Текст] / G.T Balakayeva // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №1(97). - Р. 127-133. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 32.81
Рубрики: Информатика
Кл.слова (ненормированные):
нейтрализатор -- каталитический нейтрализатор -- итерационный метод -- метод прогонки
Аннотация: Every year, the atmosphere in Kazakhstan is polluted approximately 5-7 million tons of pollutants,about a third of which belong to the vehicle. Also excess pollution of the air basin of the cities ofthe Republic is caused by pollution of pollutants by metallurgy, oil refining and chemical industryfactories, automobile and railway transport. The harmful substances emitted by motor transportadversely affect the air, water reservoirs, soil and the planet’s biosphere. At Nowadays car engineconsumes about 3 kilogram of atmospheric oxygen when liters of gasoline per 1 kg are burned.Every car delivers 60 m3of gas per hour, and the truck produces 120 m3of gas. These substancesare very dangerous for living organisms and finding solution for the problem of cleaning exhaustedgases is very actual.The purpose of this article is mathematical and numerical modeling on transfer processes in motor-car neutralizer with usage modern programming language and modern computing technologies.The solution of such a problem brings a certain contribution to the protection of the environmentfrom automobile exhaust gases. The task of cleaning at exhaust gases is investigated, that is tosay catalytic oxidation of exhausted gases automobile neutralizer . The mathematical model thereis a system of differential equations warm and mass transfer including heat generation from thechemical reaction. The equation system is solved through numerical methods and to create anddevelop an algorithm of computing the task of cleaning exhaust gases in automobile neutralizer.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Akimbay, Sh.
B19
Balakayeva , G. T
Mathematical and numerical modeling of transfer processes in the cleaning ofexhaust gases in an automobile neutralizer [Текст] / G.T Balakayeva // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №1(97). - Р. 127-133. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Информатика
Кл.слова (ненормированные):
нейтрализатор -- каталитический нейтрализатор -- итерационный метод -- метод прогонки
Аннотация: Every year, the atmosphere in Kazakhstan is polluted approximately 5-7 million tons of pollutants,about a third of which belong to the vehicle. Also excess pollution of the air basin of the cities ofthe Republic is caused by pollution of pollutants by metallurgy, oil refining and chemical industryfactories, automobile and railway transport. The harmful substances emitted by motor transportadversely affect the air, water reservoirs, soil and the planet’s biosphere. At Nowadays car engineconsumes about 3 kilogram of atmospheric oxygen when liters of gasoline per 1 kg are burned.Every car delivers 60 m3of gas per hour, and the truck produces 120 m3of gas. These substancesare very dangerous for living organisms and finding solution for the problem of cleaning exhaustedgases is very actual.The purpose of this article is mathematical and numerical modeling on transfer processes in motor-car neutralizer with usage modern programming language and modern computing technologies.The solution of such a problem brings a certain contribution to the protection of the environmentfrom automobile exhaust gases. The task of cleaning at exhaust gases is investigated, that is tosay catalytic oxidation of exhausted gases automobile neutralizer . The mathematical model thereis a system of differential equations warm and mass transfer including heat generation from thechemical reaction. The equation system is solved through numerical methods and to create anddevelop an algorithm of computing the task of cleaning exhaust gases in automobile neutralizer.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Akimbay, Sh.
172.
Подробнее
32.81
B75
Bolatbek, M. A
Creating the dataset of keywords for detecting an extremist orientation inweb-resources in the Kazakh language [Текст] / M.A Bolatbek // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №1(97). - Р. 134-142. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 32.81
Рубрики: Информатика
Кл.слова (ненормированные):
экстремистские тексты -- частота терминов -- классификация текста -- эмоциональные оценка
Аннотация: This paper is part of the research on creating semantic analysis models in web resources for definingan extremist orientation in the text. To solve this task a model was created, which consists of fivestages: identifying websites of an extremist groups, preparing for data extraction, data extraction,data analysis and classification. This work presents the results of data analysis stage of abovementioned model. The purpose of this study is to identify keywords, often used by extremists,which will later be used to classify texts to "extremist" and "neutral" categories using machinelearning methods. There is no such database for the Kazakh language. As the result of this studyan experimental corpus and list of keywords in Kazakh language was created. The keywords wereadded to the database with various morphological variants. The program was built that checksfor the presence of extremist keywords in the given input text and displays the words found.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Mussiraliyeva, Sh.Zh
Tukeyev, U.A
B75
Bolatbek, M. A
Creating the dataset of keywords for detecting an extremist orientation inweb-resources in the Kazakh language [Текст] / M.A Bolatbek // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №1(97). - Р. 134-142. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Информатика
Кл.слова (ненормированные):
экстремистские тексты -- частота терминов -- классификация текста -- эмоциональные оценка
Аннотация: This paper is part of the research on creating semantic analysis models in web resources for definingan extremist orientation in the text. To solve this task a model was created, which consists of fivestages: identifying websites of an extremist groups, preparing for data extraction, data extraction,data analysis and classification. This work presents the results of data analysis stage of abovementioned model. The purpose of this study is to identify keywords, often used by extremists,which will later be used to classify texts to "extremist" and "neutral" categories using machinelearning methods. There is no such database for the Kazakh language. As the result of this studyan experimental corpus and list of keywords in Kazakh language was created. The keywords wereadded to the database with various morphological variants. The program was built that checksfor the presence of extremist keywords in the given input text and displays the words found.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Mussiraliyeva, Sh.Zh
Tukeyev, U.A
173.
Подробнее
22.1
L86
Loannis, P.
Qualitative Behavior of the Solutions to Delay and Difference Euations [Текст] / P. Loannis // Әл - Фараби атындағы ҚҰУ Хабаршы = Вестник КазНУ им. Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 3-11. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 22.1
Рубрики: Математика
Кл.слова (ненормированные):
oscillation -- delay differential equations -- difference equations
Аннотация: It is noteworthy to observe that a first-order linear ordinary differential equationwithout delaydoes not possess oscillatorysolutions. Therefore the investigation of oscillatory solutions is ofinterest for equations with delays or for the discrete analogue difference equations. Furthermore, themathematical modelling of several real-world problems leads to differential equations that dependon the past history rather than only the current state. In this article conditions are presentedsuch that all solutions of delay and difference equationsare oscillatorywhileall solutionsof thecorresponding ordinary differential equations without delay are, for example,decreasing and tendto zero. Equations with constant and variable arguments are investigated. Several examples ofdelay and difference equations with applications to many sectors of life are presented.
Держатели документа:
ЗКГУ
L86
Loannis, P.
Qualitative Behavior of the Solutions to Delay and Difference Euations [Текст] / P. Loannis // Әл - Фараби атындағы ҚҰУ Хабаршы = Вестник КазНУ им. Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 3-11. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Математика
Кл.слова (ненормированные):
oscillation -- delay differential equations -- difference equations
Аннотация: It is noteworthy to observe that a first-order linear ordinary differential equationwithout delaydoes not possess oscillatorysolutions. Therefore the investigation of oscillatory solutions is ofinterest for equations with delays or for the discrete analogue difference equations. Furthermore, themathematical modelling of several real-world problems leads to differential equations that dependon the past history rather than only the current state. In this article conditions are presentedsuch that all solutions of delay and difference equationsare oscillatorywhileall solutionsof thecorresponding ordinary differential equations without delay are, for example,decreasing and tendto zero. Equations with constant and variable arguments are investigated. Several examples ofdelay and difference equations with applications to many sectors of life are presented.
Держатели документа:
ЗКГУ
174.
Подробнее
28.070
H99
Interaction of genes and microrna related to the development of prostate cancer [Текст] / M. Ormanova [и др.] // Вестник Казахского национального университета имени Аль-Фараби=Journal оf Al-Farabi Kazakh national university. - Almaty, 2018. - №1(74). - P. 52-61. - (Серия биологическая=The series of Biological)
ББК 28.070
Рубрики: Молекулярная биология
Кл.слова (ненормированные):
рак простаты -- ген -- microRNA -- диагностика -- mRNA -- экспрессия генов
Аннотация: Проведен поиск генов-кандидатов и микроРНК, связанных с развитием рака простаты. Создана база данных по генам, включающая 67 генов, связанных с развитием рака простаты. Проанализированы в сравнительном аспекте функции этих генов
Держатели документа:
ЗКГУ
Доп.точки доступа:
Ormanova, M.
Niyazova, R.
Atambayeva, Sh.
Ivashchenko, A.
H99
Interaction of genes and microrna related to the development of prostate cancer [Текст] / M. Ormanova [и др.] // Вестник Казахского национального университета имени Аль-Фараби=Journal оf Al-Farabi Kazakh national university. - Almaty, 2018. - №1(74). - P. 52-61. - (Серия биологическая=The series of Biological)
Рубрики: Молекулярная биология
Кл.слова (ненормированные):
рак простаты -- ген -- microRNA -- диагностика -- mRNA -- экспрессия генов
Аннотация: Проведен поиск генов-кандидатов и микроРНК, связанных с развитием рака простаты. Создана база данных по генам, включающая 67 генов, связанных с развитием рака простаты. Проанализированы в сравнительном аспекте функции этих генов
Держатели документа:
ЗКГУ
Доп.точки доступа:
Ormanova, M.
Niyazova, R.
Atambayeva, Sh.
Ivashchenko, A.
175.
Подробнее
22.2
L10
Kydyrbekuly, A. B
About the separation of finely divided particles during centrifugation inliquid media [Текст] / A.B Kydyrbekuly // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - С. 33-44. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 22.2
Рубрики: Механика
Кл.слова (ненормированные):
separation -- settling -- centrifuge -- multiphase fluid -- rotor system -- demetallization of oil
Аннотация: This work is devoted to the study of centrifugation processes, which are one of the most complexprocesses of technology. The use of the action of the centrifugal force field for the separationof heterogeneous liquid systems in a rotor system (centrifuge) is very effective. Separability ofcentrifuged materials, multiphase dispersion, the relationship between phases cause ambiguousprocesses of centrifugation, and therefore it is not always possible to accurately predict and evaluatethe main characteristics of the separation of heterogeneous systems in the centrifugal force field.For a qualitative assessment of the main separation characteristics, such as the angular velocityof rotation, the dependence of the angles of inclination of the glasses on the angular velocity, thesettling time of particles, etc., is created a mathematical model of the vertical rotor system. Therotor represents a round disk on which cups (vial) with a multiphase liquid are symmetricallysuspended. A particular case of a fixed rotor is considered. Nonlinear differential equations ofmotion of the suspension particle, which have no exact solution, are obtained. The research isconducted by analytical and numerical methods. The dependence of the slope angles of the tubesfrom the angular rotational speed of the rotor, sedimentation curves are obtained , which allowestimating the time of particle deposition and the effect of the particle size distribution on theseparation process. The results of this research work allow us to determine with sufficient accuracyall the necessary characteristics of the sedimentation working process, and also, in certain cases,it is possible to exclude the conduct of experimental work. The results of the work confirm thephysical meaning of the process, which can serve as a justification for the use and introduction ofthis mathematical model in industrial production.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Rahmetolla, A.Sh
Ibraev, G.E
L10
Kydyrbekuly, A. B
About the separation of finely divided particles during centrifugation inliquid media [Текст] / A.B Kydyrbekuly // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - С. 33-44. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Механика
Кл.слова (ненормированные):
separation -- settling -- centrifuge -- multiphase fluid -- rotor system -- demetallization of oil
Аннотация: This work is devoted to the study of centrifugation processes, which are one of the most complexprocesses of technology. The use of the action of the centrifugal force field for the separationof heterogeneous liquid systems in a rotor system (centrifuge) is very effective. Separability ofcentrifuged materials, multiphase dispersion, the relationship between phases cause ambiguousprocesses of centrifugation, and therefore it is not always possible to accurately predict and evaluatethe main characteristics of the separation of heterogeneous systems in the centrifugal force field.For a qualitative assessment of the main separation characteristics, such as the angular velocityof rotation, the dependence of the angles of inclination of the glasses on the angular velocity, thesettling time of particles, etc., is created a mathematical model of the vertical rotor system. Therotor represents a round disk on which cups (vial) with a multiphase liquid are symmetricallysuspended. A particular case of a fixed rotor is considered. Nonlinear differential equations ofmotion of the suspension particle, which have no exact solution, are obtained. The research isconducted by analytical and numerical methods. The dependence of the slope angles of the tubesfrom the angular rotational speed of the rotor, sedimentation curves are obtained , which allowestimating the time of particle deposition and the effect of the particle size distribution on theseparation process. The results of this research work allow us to determine with sufficient accuracyall the necessary characteristics of the sedimentation working process, and also, in certain cases,it is possible to exclude the conduct of experimental work. The results of the work confirm thephysical meaning of the process, which can serve as a justification for the use and introduction ofthis mathematical model in industrial production.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Rahmetolla, A.Sh
Ibraev, G.E
176.
Подробнее
22.2
U93
Utenov, M. U
Determination of displacements in cross-sections of four-bar mechanism linksfrom distributed dynamic loads and their animation using MAPLE [Текст] / M.U Utenov // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 45-56
ББК 22.2
Рубрики: Механика
Кл.слова (ненормированные):
Механизмы -- подвижные стержневые системы -- перемещения -- распределенные динамические нагрузки
Аннотация: The links of high-speed mechanisms and manipulators are deformed under the action of inertiaforces and external loads. These deformations have significantly influence on the accuracy of execu-tion of the required law of motion by the operating point of the mechanism and the positioning ofthe manipulator grip. Accordingly, longitudinal and transverse displacements, angles of rotation ofcross-sections of links under the action of distributed dynamic and external loads are investigatedin this paper. The developed technique allows defining deformations of links of mechanisms andmanipulators and can be applied at their designing. To determine the transverse displacements,the angles of rotation of the cross-sections of the links – the basic differential equation of the elasticline of the beam, to determine the longitudinal displacements of the points of the links – Hooke’slaw and the boundary conditions of the computed scheme of the investigated linkages for elasticcomputation are used. The bending moment in the basic differential equation of the elastic line ofthe beam and the longitudinal force in Hooke’s law were determined by the theory developed bythe authors of the analytical definition of internal forces in the links of planar linkages with stat-ically determinate structures, taking into account the distributed dynamic loads from the massesof links, dead weight and from the acting external loads. According to the developed technique,programs are created in the MAPLE system and animations of the movement of mechanisms arereceived, with the construction on the links the diagrams of transverse, longitudinal displacementsand angles of rotation of the link cross-sections. The developed analytical technique for determin-ing deformations in the cross-sections of links is used to calculate the strength and stiffness ofelements of movable linkages.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Zhilkibayeva, S.K
Baygunchekov, Zh.Zh
U93
Utenov, M. U
Determination of displacements in cross-sections of four-bar mechanism linksfrom distributed dynamic loads and their animation using MAPLE [Текст] / M.U Utenov // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 45-56
Рубрики: Механика
Кл.слова (ненормированные):
Механизмы -- подвижные стержневые системы -- перемещения -- распределенные динамические нагрузки
Аннотация: The links of high-speed mechanisms and manipulators are deformed under the action of inertiaforces and external loads. These deformations have significantly influence on the accuracy of execu-tion of the required law of motion by the operating point of the mechanism and the positioning ofthe manipulator grip. Accordingly, longitudinal and transverse displacements, angles of rotation ofcross-sections of links under the action of distributed dynamic and external loads are investigatedin this paper. The developed technique allows defining deformations of links of mechanisms andmanipulators and can be applied at their designing. To determine the transverse displacements,the angles of rotation of the cross-sections of the links – the basic differential equation of the elasticline of the beam, to determine the longitudinal displacements of the points of the links – Hooke’slaw and the boundary conditions of the computed scheme of the investigated linkages for elasticcomputation are used. The bending moment in the basic differential equation of the elastic line ofthe beam and the longitudinal force in Hooke’s law were determined by the theory developed bythe authors of the analytical definition of internal forces in the links of planar linkages with stat-ically determinate structures, taking into account the distributed dynamic loads from the massesof links, dead weight and from the acting external loads. According to the developed technique,programs are created in the MAPLE system and animations of the movement of mechanisms arereceived, with the construction on the links the diagrams of transverse, longitudinal displacementsand angles of rotation of the link cross-sections. The developed analytical technique for determin-ing deformations in the cross-sections of links is used to calculate the strength and stiffness ofelements of movable linkages.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Zhilkibayeva, S.K
Baygunchekov, Zh.Zh
177.
Подробнее
22.1
K12
Kabanikhin, E. I
Application of differential evolution algorithm for solving the Solow model withthe addition of human capital [Текст] / E.I Kabanikhin // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 57-66. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 22.1
Рубрики: Математика
Кл.слова (ненормированные):
economical model -- inverse problems -- optimization -- differential evolution -- Solow model
Аннотация: This paper is devoted to a numerical study of defining of parameters of dynamical systems arisingin financial and economic problems. The importance of parameters that are difficult to measure isgreat, so defining them will help to make forecasts and a work plan for the future at the govern-mental level. An effective way to restore parameters is to solve the inverse problem. The methodof coefficient recovery using the algorithm of differential evolution, which was proposed by RainerStorn and Kenneth Price, is presented in this paper. On the example of solving the direct prob-lem of the mathematical model of neoclassical economic growth of Robert Solow and the resultsobtained, the inverse problem was solved and unknown parameters were determined. The Solowmodel is based on the Cobb-Douglas production function, taking into account labor, capital andexogenous neutral technical progress. Also, for further calculations, the economic model proposedby Mankiw-Romer-Weil based on the Solow model was considered, but with the addition of hu-man capital, where the number of variables and coefficients that need to be restored has alreadyincreasing. A direct problem was also solved, results were obtained that were applied in the algo-rithm of differential evolution for parameters recovery.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Bektemessov, M.A
Shishlenin, M.A
Yang Xin-She
Bektemessov, Zh.M
K12
Kabanikhin, E. I
Application of differential evolution algorithm for solving the Solow model withthe addition of human capital [Текст] / E.I Kabanikhin // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 57-66. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Математика
Кл.слова (ненормированные):
economical model -- inverse problems -- optimization -- differential evolution -- Solow model
Аннотация: This paper is devoted to a numerical study of defining of parameters of dynamical systems arisingin financial and economic problems. The importance of parameters that are difficult to measure isgreat, so defining them will help to make forecasts and a work plan for the future at the govern-mental level. An effective way to restore parameters is to solve the inverse problem. The methodof coefficient recovery using the algorithm of differential evolution, which was proposed by RainerStorn and Kenneth Price, is presented in this paper. On the example of solving the direct prob-lem of the mathematical model of neoclassical economic growth of Robert Solow and the resultsobtained, the inverse problem was solved and unknown parameters were determined. The Solowmodel is based on the Cobb-Douglas production function, taking into account labor, capital andexogenous neutral technical progress. Also, for further calculations, the economic model proposedby Mankiw-Romer-Weil based on the Solow model was considered, but with the addition of hu-man capital, where the number of variables and coefficients that need to be restored has alreadyincreasing. A direct problem was also solved, results were obtained that were applied in the algo-rithm of differential evolution for parameters recovery.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Bektemessov, M.A
Shishlenin, M.A
Yang Xin-She
Bektemessov, Zh.M
178.
Подробнее
32.81
B63
Bissaliyev, M. S
Enterprise Security Assessment Framework for Cryptocurrency Mining Basedon Monero [Текст] / M.S Bissaliyev // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - С. 67-76. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 32.81
Рубрики: Информатика
Кл.слова (ненормированные):
cryptocurrency mining -- monero -- hidden mining -- cloud abuse
Аннотация: Mining a cryptocurrency is profitable on someone’s resources. It is becoming increasing problemin the enterprise to control the operations of its infrastructure while in idle or “off-work” time. Inthis paper we present enterprise security assessment framework for cryptocurrency mining basedon Monero cryptocurrency. The framework consists from surveying power consumption on GPUmining farms and traditional desktop PCs, analysis of web resources for browser-based miningon both internal and external domain names, the handy network logs analysis tool based on theregular expressions. While there had been significant difference between GPU and traditionaldesktop PC’s power consumption, computational ratio of the idle PCs after working time remainsquestionable. In the browser-based cryptocurrency mining, there were no data on public domains,however there had been a possibility for using the private domain names, thus further researchand different tools are required. In the network analysis, there were not enough evidences on thenetwork mining, and this leads to the different research question that attackers may use proxytechniques to bypass traffic filtering and network analysis.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Nyussupov, A.T
Mussiraliyeva, Sh.Zh
B63
Bissaliyev, M. S
Enterprise Security Assessment Framework for Cryptocurrency Mining Basedon Monero [Текст] / M.S Bissaliyev // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - С. 67-76. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Информатика
Кл.слова (ненормированные):
cryptocurrency mining -- monero -- hidden mining -- cloud abuse
Аннотация: Mining a cryptocurrency is profitable on someone’s resources. It is becoming increasing problemin the enterprise to control the operations of its infrastructure while in idle or “off-work” time. Inthis paper we present enterprise security assessment framework for cryptocurrency mining basedon Monero cryptocurrency. The framework consists from surveying power consumption on GPUmining farms and traditional desktop PCs, analysis of web resources for browser-based miningon both internal and external domain names, the handy network logs analysis tool based on theregular expressions. While there had been significant difference between GPU and traditionaldesktop PC’s power consumption, computational ratio of the idle PCs after working time remainsquestionable. In the browser-based cryptocurrency mining, there were no data on public domains,however there had been a possibility for using the private domain names, thus further researchand different tools are required. In the network analysis, there were not enough evidences on thenetwork mining, and this leads to the different research question that attackers may use proxytechniques to bypass traffic filtering and network analysis.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Nyussupov, A.T
Mussiraliyeva, Sh.Zh
179.
Подробнее
32.81
T96
Turar, O. N
Design of adaptive unstructured grids using differential methods [Текст] / O.N Turar // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 88-97. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
ББК 32.81
Рубрики: Информатика
Кл.слова (ненормированные):
computational grid construction algorithm -- unstructured mesh -- adaptive mesh -- differential elliptic equations -- reversed Beltrami equation
Аннотация: Adaptive generation of computational grids can improve the efficiency of mathematical model-ing by increasing the accuracy of numerical approximations. The paper describes a method forconstructing unstructured grids with adaptation based on differential methods. The applicationof these methods ensures a smooth distribution of the geometric characteristics of the grid, i.e.the appearance of adjacent cells that differ greatly in size and shape becomes unlikely. To achieveproper adaptation in unstructured grids we use the novel approach based on methodology of adap-tive structured grid construction. This approach uses the method of grid construction based onsolving inverted Beltrami equation to create mapping of some sample grid domain to the physicalarea. This mapping is used to construct point set on which the unstructured grid is constructedusing Delaunay triangulation method. Thus, the result is unstructured grid with proper adapta-tion. Adding fault and fractures or other structure elements may be supported by implementingconstrained Delaunay triangulation.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Akhmed-Zaki, D.Zh
T96
Turar, O. N
Design of adaptive unstructured grids using differential methods [Текст] / O.N Turar // Әл - Фараби ат. ҚҰУ Хабаршы = Вестник КазНУ им Аль - Фараби. - Алматы, 2018. - №2(98). - Р. 88-97. - (Математика, механика, информатика сериясы=Серия математика, механика, информатика. Journal of Mathematics, Mechanics, Computer Science.)
Рубрики: Информатика
Кл.слова (ненормированные):
computational grid construction algorithm -- unstructured mesh -- adaptive mesh -- differential elliptic equations -- reversed Beltrami equation
Аннотация: Adaptive generation of computational grids can improve the efficiency of mathematical model-ing by increasing the accuracy of numerical approximations. The paper describes a method forconstructing unstructured grids with adaptation based on differential methods. The applicationof these methods ensures a smooth distribution of the geometric characteristics of the grid, i.e.the appearance of adjacent cells that differ greatly in size and shape becomes unlikely. To achieveproper adaptation in unstructured grids we use the novel approach based on methodology of adap-tive structured grid construction. This approach uses the method of grid construction based onsolving inverted Beltrami equation to create mapping of some sample grid domain to the physicalarea. This mapping is used to construct point set on which the unstructured grid is constructedusing Delaunay triangulation method. Thus, the result is unstructured grid with proper adapta-tion. Adding fault and fractures or other structure elements may be supported by implementingconstrained Delaunay triangulation.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Akhmed-Zaki, D.Zh
180.
Подробнее
65.248
L35
Lashkareva, O. V.
Human capital in agriculture of the Republic of Kazakhstan as factor of competitiveness and modernization [Текст] / O. V. Lashkareva, G. K. Kozhakhmetova // Bulletin of the National engineering Academy of the Republic of Kazakhstan. - Almaty, 2018. - №268). - P. 88-93
ББК 65.248
Рубрики: Рынок труда
Кл.слова (ненормированные):
человеческий капитал -- уровень образования -- сельское хозяйство -- апк -- модернизация -- конкурентоспособность
Аннотация: Сегодня уровень накопленного человеческого капитала в сельскохозяйственной отрасли не отвечает потребностям современного общества. Рассмотрены количественные и качественные показатели развития человеческого капитала в аграрном секторе и их влияние на трудовой потенциал в сельском хозяйстве.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Kozhakhmetova, G.K.
L35
Lashkareva, O. V.
Human capital in agriculture of the Republic of Kazakhstan as factor of competitiveness and modernization [Текст] / O. V. Lashkareva, G. K. Kozhakhmetova // Bulletin of the National engineering Academy of the Republic of Kazakhstan. - Almaty, 2018. - №268). - P. 88-93
Рубрики: Рынок труда
Кл.слова (ненормированные):
человеческий капитал -- уровень образования -- сельское хозяйство -- апк -- модернизация -- конкурентоспособность
Аннотация: Сегодня уровень накопленного человеческого капитала в сельскохозяйственной отрасли не отвечает потребностям современного общества. Рассмотрены количественные и качественные показатели развития человеческого капитала в аграрном секторе и их влияние на трудовой потенциал в сельском хозяйстве.
Держатели документа:
ЗКГУ
Доп.точки доступа:
Kozhakhmetova, G.K.
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