bluuebunny/crossref_metadata_2025_split huggingface dataset:
RESEARCH INTO DYNAMICS OF ADSORPTION OF HEAVY METALS ON ACID-ACTIVATED BENTONITE
Authors: Stetsenko D. , Yelatontsev D. 
Published: December 2021

Acid activation of bentonite clay is a common way to obtain porous adsorbents of organic and inorganic substances. Acid activation with preservation of the layered structure is the initial stage of chemical modification. Acid treatment of natural aluminosilicates is aimed at increasing their adsorption capacity and specific surface area. In industrial practice, water treatment of heavy metals is in most cases carried out bypassing the liquid through a fixed layer of backfill. Therefore, in this study, we studied the dynamics of adsorption with the definition of the main characteristics of the process: the speed of the working zone, the coefficient of protective action, the length of the working layer, the loss of protective action time, the duration of the sorption column before leakage. In addition, the establishment of the basic laws of this process can be used to determine the optimal parameters of the sorption material at a given initial characteristic — the length of the layer of the sorption column, the filtration rate.
We have studied the possibilities of chemical modification of granular bentonite during acid-salt treatment. Through sorption columns with a height of 0.1; 0.2 and 0.3 m, filled with samples of modified bentonite, were passed model solutions of salts Fe2+, Mn2+, Cu2+ and Cd2+ with a concentration of cations of 0.01 g/dm3. The flow rate of the solution was 0.5; 1.0 and 1.5 m/h.
Experimental data show that the optimal sorption values ​​are obtained for samples of modified bentonite: at the same height of the sorbent layer and flow rate, the duration of the layer before skipping in modified samples is 1.25—1.52 times higher than in unmodified ones. It is established that the sorption time before skipping mainly depends on the flow rate and the height of the sorbent layer. Thus, at a layer height of 0.3 m and the same rate of transmission of the solution, the sorption time is up to 3.5 times greater than at a layer height of 0.1 m for all investigated cations.
STUDY OF THE ECOLOGICAL CONDITION OF AGRICULTURAL LAND ADJACENT TO THE REGULATORY IRRIGATIVE POOLS
Authors: Nakonechnyi V. 
Published: December 2021

In the article considers the environmental problems that arise during the construction or operation of irrigation systems and analyzes the methods of monitoring the technical condition of their elements.
The relevance of research on this topic is due to the progressive dynamics of pollution of surface, groundwater and soils around irrigation networks, which leads to the deterioration of their condition and the development of erosion.
The purpose of the study is to identify ways of migration of filtration waters and the consequences of this, to provide an objective justification for the geophysical method of the natural pulsed electromagnetic field of the Earth that was used.
To achieve this goal, a number of tasks were solved, such as: the choice of methods for detecting water filtration zones using remote methods; conducting field studies of the state of agricultural lands around the regulatory basins of Tsarychanska irrigation systems. Construction of maps, graphs, diagrams; comparison, analysis of surveys conducted around the basin of the Tsarychanska irrigation system; identification of water movement routes in the underground space depending on the geological structure of the region, forecasting the consequences of soil flooding around the basin.
Previous studies are considered. The research of lands located around the regulatory basins was carried out by the method of PIEMPZ, the position of water filtration zones in the soils adjacent to the basin and the direction of water migration were established, the nature of their flow and possible consequences were analyzed.
During the research, all the anomalies of the increased and decreased values ​​of the flux density of the magnetic component of PIEMPZ were identified and their characteristics were given. According to the data, the groundwater level rose to almost 3 m. In the eastern part of the RB there is an abnormal decrease in relief. All filtration and flood zones allocated in 2016 increased. According to the filming in 2018, both the northern and eastern sides, except for a small area in the north-western part, are flooded. This level of groundwater worsens the yield and environmental situation around RB. Recommendations provided.
SPECIFIC FEATURES OF DETERMINING THE DESIGN OF OXYGEN TUBE TIPS UNDER NON—STATIONARY CONDITIONS OF CONVERTER MELT WITH PRELIMINARY HEATING OF SCRAP
Authors: Pohvalitiy A. , Sigarev Е. , Chubin K. , Lobanov Yu. , Yakunin P. 
Published: December 2021

The results of calculating the parameters of the tips of oxygen lances, taking into account the preheating of scrap metal in the converter due to the combustion of solid fuels in the modern raw material conditions of a metallurgical enterprise of Ukraine, are presented. The substantiation of the design of blowing devices is provided. The results of calculating the geometric parameters and the coefficient of off-design for standard and experimental tips of oxygen lances are presented. Using numerical methods, the value of the diameters and length of the supercritical part of the nozzle was obtained. It is shown that with a decrease in the blast flow rate, it is advisable to decrease the length of the supercritical part of the nozzle, which is fully correlated with the literature data. The change in the coefficient of off-design was determined for the studied range of oxygen consumption (600—1100 m3 / min) for standard and experimental handpieces. It is shown that the value of the coefficient of off-design is in the range of 0.52—0.98 and 1.30—2.30, respectively, for 5– and 6–nozzle standard tips. For experimental tips, this figure is 1.00—1.70. Tuyeres with experimental tips, at the pressure available in the shop, reliably operate in the range of oxygen consumption 650—950 m3 / min and allow increasing the oxygen consumption at the beginning of the blowdown to 1000—1100 m3 / min and more, if necessary. The resulting saving effect from the introduction of the modernized tips is: a decrease in the oxidation of the final slag 1.22—1.70 %; reduction in the specific consumption of lime 0.29—1.81 kg / t; reduction of specific consumption of metal charge 0.26—0.38 kg/t.
AUTOMATIC DESIGN FEATURES OF COMPLEX SHAPE DETAILS AND TECHNOLOGY OF THEIR MANUFACTURING
Authors: Korotkov V. 
Published: December 2021

The creation of modern high-performance machines often involves design of details with complex surfacese and made with high precision. At the stage of design and preparation of production, project work is carried out using automation tools and modern information and computer technologies. The process of creating a project is accompanied by the preparation of appropriate documentation, sufficient to solve all possible questions, starting with the formation of a design task and disposal of the product at the end of its operation.
According to statistics, most details in mechanical engineering are simple in shape, relatively technological in production, and their surfaces are most often described in the drawings by a set of lines and circles (radius of curvature). This approach is economically justified and will ensure the reliable operation of the product during operation.
Significant difficulties arise when it is necessary to design parts with surfaces of complex geometric shape, when the geometric parameters are set by coordinate points. The accuracy of surface description depends on the number of such points and the accuracy of numerical data. Typical examples include turbine impellers, parts with aerodynamic surfaces that are used, for example, in the aerospace or rocket industries.
The process of manufacturing such parts is accompanied by overcoming specific difficulties in describing complex surfaces at the stages of design and technological preparation, as well as directly in the manufacture of parts on technological equipment, intermediate and final control of geometric accuracy.
An option for an effective solution of such problems is to record complex smooth surfaces, predefined by a set of coordinate points, splines. Modern design automation tools make it possible to use this mathematical method for modeling complex geometric objects and use it to calculate the trajectories of the forming tool on CNC machines.
On the example of parts from production, which has a complex surface, using computer-aided design systems considered options for making design and technological design decisions for production preparation, equipment design, control the accuracy of shaping when machining on CNC machines.
Public dialogue as a way to create an inclusive touristic space (on the example of “K. I. Shulzhenko museum” MIC)
Authors: Anishchenko A. , Yariko M. 
Published: December 2021

The relevance of the article. An important problem of modern Ukrainian society is small number of inclusive spaces, what complicates the process of socialization of young people with disabilities. Prevailing forms of mentality in Ukraine (charitable, administrative, magical) do not provide an opportunity to adequately solve this problem. Only a humanistic, dialogue­based model of mentality will contribute to the creation of a true inclusive in the society.
The purpose of the article is to develop proposals for the formation of a local tourism inclusive space on the example of “Klavdiia Shulzhenko Museum”.
The methodology. The work is a practice research based on the principles of the philosophy of dialogue, devoted to the search for practical ways to implement a humanistic model of social development in a particular enterprise of tourist infrastructure. The use of general scientific (analysis, synthesis, genera­lization) and special methods (modeling) is deter­mined by the purpose and objectives of the study.
The results. Based on the analysis of successful examples of the formation of inclusive space in Ukrainian museums, a step­by­step plan for the transformation of space in the direction of inclusion for the “Klavdiia Shulzhenko Museum”. For the first stage, it is important to create a space for dialogue with the target audience and establish cooperation in the working group. For the second — cooperation for creating the excursions. The next stage is the transformation of infrastructure.
The practical significance. The article is a theoretical base for practical museum projects, in which young people with disabilities are actively involved in society, visitors without disabilities will understand that young people with disabilities have high potential and are able to actively participate in society; creates a positive social discourse of acceptance, favorable for the socialization of young people with disabilities.
Conclusion. Since the problem of transformation of society in the direction of inclusion is not belongs exclusively for Kharkiv, it is has meaning to use successful world and Ukrainian cases. Since infrastructural problems are the result of existing mental attitudes, they can be solved through changes in mentality (establishing public dialogue), rather than government directives. For Kharkiv, the Municipal Institution of Culture “K. I. Shulzhenko Museum” is a place with significant social and cultural potential. Given the creation of an inclusive space in the museum, it can become one of the outposts of socialization of young people with disabilities, but also — to promote the formation of a positive image of people with disabilities in society. The solution of this task can take the form of cooperation with NGOs and further joint project activities.
Piano culture of South and Latin America: features of formation and transformation
Authors: Stepanova O. 
Published: December 2021

The purpose of the article involves a thorough study of the original sources of the emergence in Latin and South America of such an instrument as the piano. In addition, it is necessary to trace the historical stages of the transformation of the composer’s style — from European classical to a new ideological and artistic musical embodiment of a specific Latin American culture.
The methodology. The main research method in the article is based on next principals: cultural-historical, comparative-typological, structural, analysis and synthesis and ascent from the abstract to the concrete.
The results. The conducted historical and musical analysis revealed the importance of the piano for the formation of the musical culture of South and Latin America. Thanks to touring artists from Europe, the piano gradually gained popularity. Its evolution has gone from European imitation to the formation of its own identity in world music culture. The path of Latin and South American composers to national identity took place through rethinking and interpreting the musical styles of past eras (baroque, classicism, romanticism) and folklore. During the period of experiments, study and introduction of national cultural elements, piano works by composers of Latin and South America had a high level of professionalism and popularity.
The scientific novelty. It is that the work is a comprehensive scientific study, which substantiates a holistic system of evolution and transformation of piano culture in South and Latin America.
The practical significance. The materials of the article can be used in further research on the phenomenon of Latin America piano culture, as well as in classes on the history of piano art and world music history.
INVESTIGATION OF THE ABSOLUTENESS OF TIME
Authors: Tiguntsev S. 
Published: December 2021

In classical physics, time is considered absolute. It is believed that all processes, regardless of their complexity, do not affect the flow of time
The theory of relativity determines that the flow of time for bodies depends both on the speed of movement of bodies and on the magnitude of the gravitational potential. It is believed that time in space orbit passes slower due to the high speed of the spacecraft, and faster due to the lower gravitational potential than on the surface of the Earth. Currently, the dependence of time on the magnitude of the gravitational potential and velocity (relativistic effect) is taken into account in global positioning systems.
However, studying the relativistic effect, scientists have made a wrong interpretation of the difference between the clock frequency of an orbiting satellite and the clock frequency on the Earth's surface. All further studies to explain the relativistic effect were carried out according to a similar scenario, that is, only the difference in clock frequencies under conditions of different gravitational potentials was investigated.
While conducting theoretical research, I found that the frequency of the signal changes along the way from the satellite to the receiver due to the influence of Earth's gravity. It was found that the readings of two high-precision clocks located at different heights will not differ after any period of time,
that is, it is shown that the flow of time does not depend on the gravitational potential. It is proposed to conduct full-scale experiments, during which some high-precision clocks are sent aboard the space station, while others remain in the laboratory on the surface of the earth. It is expected that the readings of the satellite clock will be absolutely identical to the readings of the clock in the Earth laboratory.
BIM TECHNOLOGY AS AN ELEMENT OF MODERN CONSTRUCTION
Authors: Nikolayeva A. , Gorbunova O. 
Published: December 2021

When designing and implementing BIM technologies, it is of particular importance to take into account fire safety requirements to eliminate errors in the decisions made, as well as for safe operation in the future. This topic is very relevant today and the need for compliance with fire safety requirements is very high. To solve these problems, the use of modern software products, such as Autodesk Revit, can play a huge role.
The use of such programs makes it possible to significantly speed up the design process of all systems of the building under construction, as well as to develop an information model in detail, which will allow an objective assessment of accidents and provide objective information about them. These technologies make it possible to fully design buildings and structures, having calculated all the processes, to provide the most effective solutions at all stages of the project, which reduces costs and reduces the time of commissioning of the object. The article reveals the concept of BIM technologies, their main advantages, and application experience.
PUBLIC RELATIONS EXPERTS' USES OF THE NEW MEDIA IN THEIR COMMUNICATION WORK
Authors: Mfarrej Fadi 
Published: December 2021

Contemporary technologies have made qualitative leaps for human life in the field of information, digitization and communication. The social networks produced by the new media are characterized by several features that cast a shadow and imposed their impact on human communication with its modern means, the most important of which are interactive, non-public, asynchronous, prevalence and spread.
This study aimed to evaluate the experts' use of the new media in their communication work. Furthermore, it sought to identify the most important gratifications obtained by the experts' use of this new form of media.
TERHADAP KEPUTUSAN PEMBELIAN KONSUMEN (Studi Pada Konsumen Usaha Kecil Menengah Kawasan Dasan Sari, Taman UdayanaKota Mataram 2017)
Authors: Pratiwi Mega Diana , Wirastomo Handoyo 
Published: December 2021

Tujuan penelitian ini adalah untuk mengetahui pengaruh secara signifikan pencantuman harga dalam menu terhadap keputusan pembelian konsumen.Populasi dalam penelitian ini adalah konsumen yang berkunjung sebagai konsumen di Usaha Kecil Menengah Kawasan Dasan Sari, Taman Udayana Kota Mataram dan sampeldalam penelitian ini sebanyak 100 orang dengan menggunakan teknik pengambilan sampel dengan sampel kuota atau (quota sampling), dengan menggunakan kuesioner sebagai alat pengumpulan data. Jenis Penelitian yang digunakan dalam skripsi ini adalah penelitian kuantitatif dengan menggunakan analisa regresi sederhana, karena hanya terdapat dua variabel yang akan diukur pengaruhnya. Variabel-variabel tersebut terdiri dari variabel pencantuman harga dalam menu sebagai variabel independen (X) dan keputusan pembelian konsumensebagaivariabel dependen (Y). Setelah melalui proses pengujian, hasil penelitian menunjukkan data yang diperoleh valid dan reabilitas serta terdapat pengaruh pencantuman harga terhadap keputusan pembelian. Selain itu, penelitian ini bermaksud memberikan rekomendasi bagi para pemilik Usaha Kecil Menengah dalam upaya memenuhi kepuasan pelanggan dalam keputusan pembelian mengenai pencantuman harga dalam menu, maka diharapkan hasil penelitian ini dapat diterapkan, karena hal ini sangat penting guna memudahkan seorang konsumen dalam memutuskan membeli suatu produk (makanan atau minuman), serta diharapkan bagi peneliti selanjutnya untuk mengkaji dan memperluas cakupan penelitiannya baik dari segi variabel, responden, metode maupun lokasi penelitiannya.
PENINGKATAN PENDAPATAN ASLI DAERAH (PAD) MELALUI PENGEMBANGAN PARIWISATA KOTA MATARAM TAHUN 2018
Authors: Rahman Fakihi 
Published: December 2021

Penelitian ini bertujuan untuk mengetahui bagaimana pengembangan pariwisata, dan untuk mengetahui jumlah kontribusi pajak pariwisata untuk PAD Kota Mataram serta kendala-kendala kontribusi pajak pariwisata. Peneliti menggunakan Pendekatan Kualitatif dengan Metode Deskriptif. Hasil penelitian menunjukkan bahwa Program pembangunan kepariwisataan dan rencana indikator yang dituangkan dalam Rencana Strategis Disbudpar Kota Mataram Tahun Anggaran 2016-2021 disusun dengan mengacu dan berpedoman pada Rencana Pembangunan JangkaMenengah Daeran (RPJMK) Kota Mataram Tahun 2016-2021. Dalam kontribusinya terhadap PAD Kota Mataram, pajak pariwisata tidak di pungut langsung pada setiap obyek wisata yang ada di Kota Mataram. Namun pajak pariwisata dapat dilihat melalui beberapa hasil pajak daerah yakni pajak hotel, pajak restoran, pajak hiburan dan pajak parkir. Dari ke empat jenis pajak tersebut, kontribusi terbesar terhadap PAD adalah pajak hotel dan yang paling rendah adalah pajak parkir. Kendala yang dihadapi dalam peningkatan kontribusi melalui pajak pariwisata adalah menurunnya minat wisatawan untuk mengunjungi pariwisata yang ada di kota mataram. Jika jumlah wisatawan menurun secara otomatis kontribusi pajak pariwisata akan menurun karna tinggi rendahnya kontribusi pajak pariwisata tergantung pada jumlah pengunjung wisatawan.
PRINSIP PERHITUNGAN ZAKAT SAHAM PERUSAHAAN SEKTOR NON-KEUANGAN
Authors: Ramadani Lalu Ahmad 
Published: December 2021

Tujuan dari penelitian ini adalah untuk mengkaji mengkaji mekanisme perhitungan zakat saham syariah non-keuangan berdasarkan sektor yang berada di luar sektor keuangan, terdiri dari perusahaan Perdagangan, Industri, Properti, Pertanian dan Kesehatan. Penelitian ini menggunakan pendekatan studi literature dengan menggunakan metode analisis kualitatif deskriptif. Penelitian ini menemukan bahwa prinsip tidak wajib zakat pada perusahaan keuangan, mengacu pada ketentuan hukum fiqih, namun ketentuan wajib zakat memiliki pebedaan pada setiap sektor industri, seperti industri rumah sakit yang Takaran zakatnya adalah selisih antara pemasukan total tahunan dan pengeluaran tahunan rumah sakit.
ANALISIS MODEL MANAJEMEN KOPERASI DALAM MENINGKATKAN KINERJA KOPERASI
Authors: Asida Erwin , Vinuzia Mala 
Published: December 2021

Data pertumbuhan usaha koperasi menunjukkan bahwa kinerja koperasi yang ditunjukkan oleh volume usaha dan laba bersih mengalami penurunan selama tahun 2008-2010. Berbagai penelitian sebelumnya menunjukkan bahwa faktor-faktor yang mempengaruhi kinerja bisnis yang berhasil adalah kewirausahaan, partisipasi anggota, dan pengurus koperasi. Berdasarkan fenomena empiris yang ditemukan di lapangan penelitian ini maka rumusan masalah penelitian yang dirumuskan disini adalah “Bagaimana cara meningkatkan kinerja Koperasi Berbagai Usaha di KOTA MATARAM” Untuk menjawab masalah penelitian ini digunakan pendekatan dengan tiga variabel penelitian yaitu kewirausahaan, partisipasi anggota, dan pengelolaan koperasi. Pengujian pengaruh masing-masing variabel dilakukan dengan menggunakan Uji Regresi Berganda pada pengumpulan data yang diperoleh melalui wawancara menggunakan kuesioner kepada 74 pengurus koperasi di Kota Mataram. Hasil uji regresi partisipasi anggota berpengaruh signifikan terhadap kinerja Koperasi Aneka Usaha di Kota Mataram, dan pengurus koperasi berpengaruh signifikan terhadap kinerja Koperasi Usaha Milik Berbagai Usaha.