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61.
Подробнее
65
I-85
Israilova, S.
Modern methods for evaluating business progresses of an enterprise using a balanced scorecard. [Текст] / S. Israilova, A. Mukhanova, A. Satybaldiyeva // News of national academy of sciences of the republic of Kazakhstan. - 2021. - №5. - P. 137-144
ББК 65
Рубрики: Economics
Кл.слова (ненормированные):
process approach -- business processes -- business process evaluation -- optimization -- reengineering -- balanced scorecard -- efficiency
Аннотация: 137ISSN 1991-346X5. 2021NEWSOF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTANPHYSICO-MATHEMATICAL SERIESISSN 1991-346ХVolume 5, Number 339 (2021), 137–144 https://doi.org/10.32014/2021.2518-1726.94UDC 004.942Israilova S.1, Mukhanova A.1, Satybaldiyeva A.21L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan;2Saken Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan.E-mail: israilova_st@mail.ruMODERN METHODS FOR EVALUATING BUSINESS PROCESSES OF AN ENTERPRISE USING A BALANCED SCORECARDAbstract. The article presents methods and algorithms for analyzing and evaluating the effectiveness of business processes of enterprises using a system of balanced indicators. Due to the increased requirements for the efficiency of the functioning of organizations, the process approach based on the development of a process management system is becoming more popular. The activity of organizations is considered as a set of business processes with reference to structural divisions. The effectiveness of informatization and automation of algorithms for the work of enterprise entities primarily depends on the degree of formalization of business processes of organizations and readiness to implement management systems that meet the modern requirements of the digital economy.
Держатели документа:
WKU
Доп.точки доступа:
Mukhanova, A.
Satybaldiyeva, A.
I-85
Israilova, S.
Modern methods for evaluating business progresses of an enterprise using a balanced scorecard. [Текст] / S. Israilova, A. Mukhanova, A. Satybaldiyeva // News of national academy of sciences of the republic of Kazakhstan. - 2021. - №5. - P. 137-144
Рубрики: Economics
Кл.слова (ненормированные):
process approach -- business processes -- business process evaluation -- optimization -- reengineering -- balanced scorecard -- efficiency
Аннотация: 137ISSN 1991-346X5. 2021NEWSOF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTANPHYSICO-MATHEMATICAL SERIESISSN 1991-346ХVolume 5, Number 339 (2021), 137–144 https://doi.org/10.32014/2021.2518-1726.94UDC 004.942Israilova S.1, Mukhanova A.1, Satybaldiyeva A.21L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan;2Saken Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan.E-mail: israilova_st@mail.ruMODERN METHODS FOR EVALUATING BUSINESS PROCESSES OF AN ENTERPRISE USING A BALANCED SCORECARDAbstract. The article presents methods and algorithms for analyzing and evaluating the effectiveness of business processes of enterprises using a system of balanced indicators. Due to the increased requirements for the efficiency of the functioning of organizations, the process approach based on the development of a process management system is becoming more popular. The activity of organizations is considered as a set of business processes with reference to structural divisions. The effectiveness of informatization and automation of algorithms for the work of enterprise entities primarily depends on the degree of formalization of business processes of organizations and readiness to implement management systems that meet the modern requirements of the digital economy.
Держатели документа:
WKU
Доп.точки доступа:
Mukhanova, A.
Satybaldiyeva, A.
62.
Подробнее
32.973
M23
Mamyrbayev, O. Zh.
Realization of online systems for automatic speech recognition. [Текст] / O. Zh. Mamyrbayev, D. O. Oralbekova, K. Alimhan, M. Othman, B. Zhumazhanov // News of national academy of sciences of the republic of Kazakhstan. - 2021. - №6. - P. 66-72
ББК 32.973
Рубрики: information Technology
Кл.слова (ненормированные):
automatic speech recognition -- monotonic chunkwise attention -- neural transducer -- RNN-T -- end-to-end
Аннотация: This article provides a detailed overview of popular online-based models for E2Esystems such as RNN-T, Neural Transducer (NT), Monotonic Chunkwise Attention (MoChA). Systems based on these models have been trained to recognize Kazakh speech. The results obtained showed that all three models work well for recognizing Kazakh speech without the use of external additions
Держатели документа:
WKU
Доп.точки доступа:
Oralbekova, D.O.
Alimhan, K.
Othman, M.
Zhumazhanov, B.
M23
Mamyrbayev, O. Zh.
Realization of online systems for automatic speech recognition. [Текст] / O. Zh. Mamyrbayev, D. O. Oralbekova, K. Alimhan, M. Othman, B. Zhumazhanov // News of national academy of sciences of the republic of Kazakhstan. - 2021. - №6. - P. 66-72
Рубрики: information Technology
Кл.слова (ненормированные):
automatic speech recognition -- monotonic chunkwise attention -- neural transducer -- RNN-T -- end-to-end
Аннотация: This article provides a detailed overview of popular online-based models for E2Esystems such as RNN-T, Neural Transducer (NT), Monotonic Chunkwise Attention (MoChA). Systems based on these models have been trained to recognize Kazakh speech. The results obtained showed that all three models work well for recognizing Kazakh speech without the use of external additions
Держатели документа:
WKU
Доп.точки доступа:
Oralbekova, D.O.
Alimhan, K.
Othman, M.
Zhumazhanov, B.
63.
Подробнее
32.973
T22
Tashenova , Zh.
ASSESSMENT OF THE SECURITY STATUS OF THE COMPANY’S DATA CENTER NETWORK INFRASTRUCTURE. [Текст] / Zh. Tashenova , E. Nurlybaeva , Zh. Abdugulova , Sh. Amanzholova // NEWSOF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN.J2021. - №6. - P. 81-91
ББК 32.973
Рубрики: information Technology
Кл.слова (ненормированные):
network security -- data center -- network -- Cisco -- virtual private server -- proxy servers
Аннотация: The purpose of this article is based on an assessment of the current state of network security in a company’s data center. Analysis of the architecture and design principles of the data center network, development of proposals and recommendations for increasing the level of network security of the company’s data center without serious loss of performance using both existing network elements and additional security elements.
Держатели документа:
WKu
Доп.точки доступа:
Nurlybaeva , E.
Abdugulova , Zh.
Amanzholova , Sh.
T22
Tashenova , Zh.
ASSESSMENT OF THE SECURITY STATUS OF THE COMPANY’S DATA CENTER NETWORK INFRASTRUCTURE. [Текст] / Zh. Tashenova , E. Nurlybaeva , Zh. Abdugulova , Sh. Amanzholova // NEWSOF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN.J2021. - №6. - P. 81-91
Рубрики: information Technology
Кл.слова (ненормированные):
network security -- data center -- network -- Cisco -- virtual private server -- proxy servers
Аннотация: The purpose of this article is based on an assessment of the current state of network security in a company’s data center. Analysis of the architecture and design principles of the data center network, development of proposals and recommendations for increasing the level of network security of the company’s data center without serious loss of performance using both existing network elements and additional security elements.
Держатели документа:
WKu
Доп.точки доступа:
Nurlybaeva , E.
Abdugulova , Zh.
Amanzholova , Sh.
64.
Подробнее
22.1
I-32
Ibrayev, A. T.
Construction and application of a dynamic motion counting system for researching the properties of electron mirrors and cathode lenses. [Текст] / A. T. Ibrayev // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №6. - P. 114-120
ББК 22.1
Рубрики: Mathematica
Кл.слова (ненормированные):
motion -- reference frame -- coordinate transformation -- velocity -- interval invariance
Аннотация: Based on the analysis and consideration of the features of Galileo’s transformations, new inertial and dynamic reference frames of movements are obtained. In the new inertial reference frame, the main drawback of Galileo’s transformations, associated with the violation of the invariance of the intervals between events, is eliminated. The developed dynamic frame of reference makes it possible to conduct effective studies of movements in force fields. Elements of this dynamic frame of reference intuitively, without a detailed analysis of the meaning of the transformations used, have been successfully applied in a number of scientific works in the field of physical electronics, devoted to the construction of theories of electron mirrors and cathode lenses. Obviously, the new reference systems indicated in the work will find wide application both in the field of research and design of electron-optical devices and ion-beam technological installations, and in other branches of fundamental and technical sciences.
Держатели документа:
WKU
I-32
Ibrayev, A. T.
Construction and application of a dynamic motion counting system for researching the properties of electron mirrors and cathode lenses. [Текст] / A. T. Ibrayev // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №6. - P. 114-120
Рубрики: Mathematica
Кл.слова (ненормированные):
motion -- reference frame -- coordinate transformation -- velocity -- interval invariance
Аннотация: Based on the analysis and consideration of the features of Galileo’s transformations, new inertial and dynamic reference frames of movements are obtained. In the new inertial reference frame, the main drawback of Galileo’s transformations, associated with the violation of the invariance of the intervals between events, is eliminated. The developed dynamic frame of reference makes it possible to conduct effective studies of movements in force fields. Elements of this dynamic frame of reference intuitively, without a detailed analysis of the meaning of the transformations used, have been successfully applied in a number of scientific works in the field of physical electronics, devoted to the construction of theories of electron mirrors and cathode lenses. Obviously, the new reference systems indicated in the work will find wide application both in the field of research and design of electron-optical devices and ion-beam technological installations, and in other branches of fundamental and technical sciences.
Держатели документа:
WKU
65.
Подробнее
33.131
M 97
MUSAYEVA, S. A.
IMPACT OF THE TEMPERATURE FACTOR ON THE VALUE OF HYDROSTATIC PRESSURE AT DRILLING GEOTHERMAL WELLS [Текст] / S. A. MUSAYEVA // Нефть и газ. - 2022. - №2. - с. 103-108
ББК 33.131
Рубрики: Бурение скважин
Кл.слова (ненормированные):
geothermal wells -- drilling mud -- alternative energy -- deep wells -- high temperatures
Аннотация: The article discusses the influence of the temperature factor on the value of hydrostatic pressure while drilling of geothermal wells using chemical reagents based on water - soluble polymers in the process of drilling deep wells, which ensure the stability of drilling fluids at high temperatures. As mentioned earlier, the regulation of hydrostatic pressure by increasing the drilling mud densityat high temperatures is inappropriate . Therefore, it is necessary to take measures to improve the sedimentation stability of drilling muds.
Держатели документа:
ЗГУ им М. Утемисова
M 97
MUSAYEVA, S. A.
IMPACT OF THE TEMPERATURE FACTOR ON THE VALUE OF HYDROSTATIC PRESSURE AT DRILLING GEOTHERMAL WELLS [Текст] / S. A. MUSAYEVA // Нефть и газ. - 2022. - №2. - с. 103-108
Рубрики: Бурение скважин
Кл.слова (ненормированные):
geothermal wells -- drilling mud -- alternative energy -- deep wells -- high temperatures
Аннотация: The article discusses the influence of the temperature factor on the value of hydrostatic pressure while drilling of geothermal wells using chemical reagents based on water - soluble polymers in the process of drilling deep wells, which ensure the stability of drilling fluids at high temperatures. As mentioned earlier, the regulation of hydrostatic pressure by increasing the drilling mud densityat high temperatures is inappropriate . Therefore, it is necessary to take measures to improve the sedimentation stability of drilling muds.
Держатели документа:
ЗГУ им М. Утемисова
66.
Подробнее
35
K80
Kozhabekov, S. S.
Modification of copolymers based on olefin and maleic anhydride as pour point depressant for waxy oils. [Текст] / S. S. kozhabekov // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 30-37
ББК 35
Рубрики: chemical Technology
Кл.слова (ненормированные):
oil -- copolymers -- modification -- waxes -- fluidity -- rheometry -- pour point -- viscosity
Аннотация: In this work, we investigated a modification of a copolymer based on α-olefin (octadecene-1) (ODC) and maleic anhydride (MA) synthesized by the method of initiated radical polymerization. In the studies carried out, it was revealed that of all the synthesized copolymers based on maleic anhydride, the copolymer with α-octadecene was the most effective copolymer in reducing the viscosity of oil and TPT. In this work, a copolymer based on maleic anhydride and octadecene-1 (ODC – MA) was modified with primary amines – butylamine (BA), hexylamine (HA), hexadecylamine (HDA), octadecylamine (ODA), benzylamine (BzA).
Держатели документа:
WKU
Доп.точки доступа:
Zhubanov, A.A.
Makhmetova, A.R.
Abaev, T.B.
K80
Kozhabekov, S. S.
Modification of copolymers based on olefin and maleic anhydride as pour point depressant for waxy oils. [Текст] / S. S. kozhabekov // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 30-37
Рубрики: chemical Technology
Кл.слова (ненормированные):
oil -- copolymers -- modification -- waxes -- fluidity -- rheometry -- pour point -- viscosity
Аннотация: In this work, we investigated a modification of a copolymer based on α-olefin (octadecene-1) (ODC) and maleic anhydride (MA) synthesized by the method of initiated radical polymerization. In the studies carried out, it was revealed that of all the synthesized copolymers based on maleic anhydride, the copolymer with α-octadecene was the most effective copolymer in reducing the viscosity of oil and TPT. In this work, a copolymer based on maleic anhydride and octadecene-1 (ODC – MA) was modified with primary amines – butylamine (BA), hexylamine (HA), hexadecylamine (HDA), octadecylamine (ODA), benzylamine (BzA).
Держатели документа:
WKU
Доп.точки доступа:
Zhubanov, A.A.
Makhmetova, A.R.
Abaev, T.B.
67.
Подробнее
35
K21
Karmanovskaya , N. V.
Public environmental monitoring of drinking water quality in the city of Norilsk. [Текст] / N. V. Karmanovskaya // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 104-111
ББК 35
Рубрики: chemical Technology
Кл.слова (ненормированные):
ecological situation -- industrial city -- water supply -- public utilities
Аннотация: According to UN estimates, the shortage of safe drinking water can become one of the most acute and pressing problems. The specificity of this problem for Russia is not a shortage of water resources, but their pollution and ongoing degradation of water bodies. The quality of water is understood as the totality of its properties associated with the nature and concentration of impurities in the water. Water analysis is the only tool for monitoring its condition and properties. During the experiment, a team of researchers took samples of drinking water from the water supply network in various districts of the Norilsk industrial region, studied the dependence of the quality characteristics of water on the location and sampling method. Based on the findings, conclusions on the quality of drinking water were drawn. During the experiment, the authors found that in terms of organoleptic indicators, drinking water in all areas of the NIR meets the requirements of Sanitary Rules and Regulations and GOST. Taking samples at three control points of the Norilsk industrial region, it has been proven that the water is soft and its salt content is mainly due to the presence of hardness salts. Having made the necessary analyses, the authors found that the presence of microorganisms in the water supply network of the NIR is not significant, the permanganate oxidisability indicator does not exceed the requirements of Sanitary Rules and Regulations.
Держатели документа:
WKU
K21
Karmanovskaya , N. V.
Public environmental monitoring of drinking water quality in the city of Norilsk. [Текст] / N. V. Karmanovskaya // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 104-111
Рубрики: chemical Technology
Кл.слова (ненормированные):
ecological situation -- industrial city -- water supply -- public utilities
Аннотация: According to UN estimates, the shortage of safe drinking water can become one of the most acute and pressing problems. The specificity of this problem for Russia is not a shortage of water resources, but their pollution and ongoing degradation of water bodies. The quality of water is understood as the totality of its properties associated with the nature and concentration of impurities in the water. Water analysis is the only tool for monitoring its condition and properties. During the experiment, a team of researchers took samples of drinking water from the water supply network in various districts of the Norilsk industrial region, studied the dependence of the quality characteristics of water on the location and sampling method. Based on the findings, conclusions on the quality of drinking water were drawn. During the experiment, the authors found that in terms of organoleptic indicators, drinking water in all areas of the NIR meets the requirements of Sanitary Rules and Regulations and GOST. Taking samples at three control points of the Norilsk industrial region, it has been proven that the water is soft and its salt content is mainly due to the presence of hardness salts. Having made the necessary analyses, the authors found that the presence of microorganisms in the water supply network of the NIR is not significant, the permanganate oxidisability indicator does not exceed the requirements of Sanitary Rules and Regulations.
Держатели документа:
WKU
68.
Подробнее
28
V11
Vafin, R. R.
Real-Time pcr technology for cattle genotyping by A and B Kappa -Casein gene alleles. [Текст] / R. R. Vafin // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 126-132
ББК 28
Рубрики: Biology
Кл.слова (ненормированные):
Bos taurus -- PCR -- RFLP -- genotyping -- allele -- genotype -- CSN3
Аннотация: The main goal of the study was to develop and test an effective technology for cattle genotyping by the CSN3 gene based on real-time PCR with hybridization-fluorescence detection. There was developed a method for real-time PCR for cattle genotyping by A and B alleles of the CSN3 gene in the format of hybridization-fluorescence detection, involving the use of two 5/-fluorescence-labeled forward allele-specific primers, one reverse common primer, and one anti-primer labeled with a fluorescence quencher at the 3/-end of the oligonucleotide. As a result of practical studies aimed at testing the developed method, we obtained the technical result provided by the proposed technology, expressed in the effective identification of the desired genotypes due to correct interpretation of these curves of increasing fluorescence intensity, the results reliability of which was also confirmed by the well-known PCR-RFLP analysis technique for Bos taurus genotyping for similar allelic variants of the kappa-casein gene.
Держатели документа:
WKU
Доп.точки доступа:
Gilmanov, Kh. Kh.
V11
Vafin, R. R.
Real-Time pcr technology for cattle genotyping by A and B Kappa -Casein gene alleles. [Текст] / R. R. Vafin // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №1. - P. 126-132
Рубрики: Biology
Кл.слова (ненормированные):
Bos taurus -- PCR -- RFLP -- genotyping -- allele -- genotype -- CSN3
Аннотация: The main goal of the study was to develop and test an effective technology for cattle genotyping by the CSN3 gene based on real-time PCR with hybridization-fluorescence detection. There was developed a method for real-time PCR for cattle genotyping by A and B alleles of the CSN3 gene in the format of hybridization-fluorescence detection, involving the use of two 5/-fluorescence-labeled forward allele-specific primers, one reverse common primer, and one anti-primer labeled with a fluorescence quencher at the 3/-end of the oligonucleotide. As a result of practical studies aimed at testing the developed method, we obtained the technical result provided by the proposed technology, expressed in the effective identification of the desired genotypes due to correct interpretation of these curves of increasing fluorescence intensity, the results reliability of which was also confirmed by the well-known PCR-RFLP analysis technique for Bos taurus genotyping for similar allelic variants of the kappa-casein gene.
Держатели документа:
WKU
Доп.точки доступа:
Gilmanov, Kh. Kh.
69.
Подробнее
46.0
S22
Sarkhanov, К. А.
Scientific and practical bases of increasing the efficiency of livestock in the conditions of Central Kazakhstan [Текст] / К. А. Sarkhanov // Доклады национальной академии наук Республики Казахстан. - 2021. - №1. - Р. 140-145
ББК 46.0
Рубрики: Скотоводство. Крупный рогатый скот
Кл.слова (ненормированные):
Хозяйствования -- эффективность -- личные подсобные домашние хозяйства -- сельскохозяйственный кооператив -- кормовая база -- питательность -- полноценность кормов -- субсидирование -- крупный рогатый скот -- овец -- лошади -- животноводства -- себестоимость -- селекция
Аннотация: Положение дел в аграрном секторе экономики страны показывает, что рост животноводческой продукции обеспечивается, в основном за счет личных подсобных и домашних хозяйств, (ЛПХ и ДХ) где сосредоточено более 80% скота и птицы. Вместо с тем, в этом секторе преобладает мелкотоварное, сезонное производство, которое как показывает практика, не всегда отвечает требованиям перерабатывающей промышленности, а выпускаемая продукция врядь ли может быть конкурентоспособной на внутренном, особенно на внешнем рынках. Следовательно, целью данной научно-производственных исследований оказалась разработка концептуальные основы повышения эффективности разведения сельскохозяйственных животных в сельских регионах Центрального Казахстана, располагающихся львиными долями пастбищных угодий и подземными полезными ископаемыми страны. При этом, изучена и отличительная особенность системы функционирования малых форм хозяйствования на селе в сельских территориях Акмолинской, Карагандинской, Северо-Казахстанской и Южно-Казахстанской областей.
Держатели документа:
ЗКУ
S22
Sarkhanov, К. А.
Scientific and practical bases of increasing the efficiency of livestock in the conditions of Central Kazakhstan [Текст] / К. А. Sarkhanov // Доклады национальной академии наук Республики Казахстан. - 2021. - №1. - Р. 140-145
Рубрики: Скотоводство. Крупный рогатый скот
Кл.слова (ненормированные):
Хозяйствования -- эффективность -- личные подсобные домашние хозяйства -- сельскохозяйственный кооператив -- кормовая база -- питательность -- полноценность кормов -- субсидирование -- крупный рогатый скот -- овец -- лошади -- животноводства -- себестоимость -- селекция
Аннотация: Положение дел в аграрном секторе экономики страны показывает, что рост животноводческой продукции обеспечивается, в основном за счет личных подсобных и домашних хозяйств, (ЛПХ и ДХ) где сосредоточено более 80% скота и птицы. Вместо с тем, в этом секторе преобладает мелкотоварное, сезонное производство, которое как показывает практика, не всегда отвечает требованиям перерабатывающей промышленности, а выпускаемая продукция врядь ли может быть конкурентоспособной на внутренном, особенно на внешнем рынках. Следовательно, целью данной научно-производственных исследований оказалась разработка концептуальные основы повышения эффективности разведения сельскохозяйственных животных в сельских регионах Центрального Казахстана, располагающихся львиными долями пастбищных угодий и подземными полезными ископаемыми страны. При этом, изучена и отличительная особенность системы функционирования малых форм хозяйствования на селе в сельских территориях Акмолинской, Карагандинской, Северо-Казахстанской и Южно-Казахстанской областей.
Держатели документа:
ЗКУ
70.
Подробнее
35
K17
Kalmakhanova, M. S.
New adsorbents developed from netural clays to remove ni (II) from wastewater. [Текст] / M. S. Kalmakhanova, А. Amantaikyzy, J. L. Diaz de Tuesta, G. A. Seitbekova [et al.] // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №2. - P. 45-52
ББК 35
Рубрики: chemical Technology
Кл.слова (ненормированные):
clay -- adsorption -- nickel -- heavy metal -- wastewater -- pillared clay
Аннотация: This work deals with the development of materials based on natural clays and on pillared clays and further application in the the adsorption of Ni (II), used as model pollutant, from aqueous solution. The starting natural clay (montmorillonite) was obtained in a deposit of Kazakhstan (Asa), and two additional samples were prepared by treatment of the natural clay with acid and by pillarization with Fe2+and Zn2+.
Держатели документа:
WKU
Доп.точки доступа:
Amantaikyzy, А.
Diaz de Tuesta, J. L.
Seitbekova, G. A.
Darmenbaeva, A. S.
Reimbaeva, S.
K17
Kalmakhanova, M. S.
New adsorbents developed from netural clays to remove ni (II) from wastewater. [Текст] / M. S. Kalmakhanova, А. Amantaikyzy, J. L. Diaz de Tuesta, G. A. Seitbekova [et al.] // News of national academy of sciences of the republic of Kazakhstan. . - 2021. - №2. - P. 45-52
Рубрики: chemical Technology
Кл.слова (ненормированные):
clay -- adsorption -- nickel -- heavy metal -- wastewater -- pillared clay
Аннотация: This work deals with the development of materials based on natural clays and on pillared clays and further application in the the adsorption of Ni (II), used as model pollutant, from aqueous solution. The starting natural clay (montmorillonite) was obtained in a deposit of Kazakhstan (Asa), and two additional samples were prepared by treatment of the natural clay with acid and by pillarization with Fe2+and Zn2+.
Держатели документа:
WKU
Доп.точки доступа:
Amantaikyzy, А.
Diaz de Tuesta, J. L.
Seitbekova, G. A.
Darmenbaeva, A. S.
Reimbaeva, S.
Страница 7, Результатов: 100