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Tytuł:
Towards a novel environment for simulation of quantum computing
Autorzy:
Patrzyk, J.
Patrzyk, B.
Rycerz, K.
Bubak, M.
Powiązania:
https://bibliotekanauki.pl/articles/305327.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
quantum computation
quantum computer simulators
development environment
quantum algorithms
SUS survey
Opis:
In this paper, we analyze existing quantum computer simulation techniques and their realizations to minimize the impact of the exponential complexity of simulated quantum computations. As a result of this investigation, we propose a quantum computer simulator with an integrated development environment – QuIDE – supporting the development of algorithms for future quantum computers. The simulator simplifies building and testing quantum circuits and understanding quantum algorithms in an efficient way. The development environment provides flexibility of source code edition and ease of the graphical building of circuit diagrams. We also describe and analyze the complexity of algorithms used for simulation as well as present performance results of the simulator as well as results of its deployment during university classes.
Źródło:
Computer Science; 2015, 16 (1); 103-129
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Highly Sensitive Child as a challenge for education – introduction to the concept
Autorzy:
Baryła-Matejczuk, Monika
Artymiak, Małgorzata
Ferrer-Cascales, Rosario
Betancort, Moises
Powiązania:
https://bibliotekanauki.pl/articles/1386935.pdf
Data publikacji:
2020-03-31
Wydawca:
Uniwersytet Gdański. Wydawnictwo Uniwersytetu Gdańskiego
Tematy:
highly sensitive child
children’s development environment
early education
environmental sensitivity
sensory processing sensitivity
Opis:
The main aim of this paper is to summarize available findings related to the subject of high sensitivity from both the educational and parenting perspectives. According to the authors of the concept of Sensory Processing Sensitivity (SPS), between 15% and 20% of the population exhibit such traits, therefore one has to say that it is necessary to raise the awareness of this subject amongst parents and teachers. High sensitivity may exhibit itself in many ways, depending on the environmental and other temperamental conditions. Understanding its main characteristics (DOES) will allow one to appreciate the potential of this condition instead of focusing on its deficiencies. Such a perspective opens up possible avenues of supporting the Highly Sensitive Child’s resources by both parents and teachers. A review was carried out to answer a research question by collecting and summarizing theo-retical and empirical evidence that fits pre-specified eligibility criteria. The study selection criteria was to find literature/paper reviews and primary studies published in indexed journals included in various databases and focused on Sensory Processing Sensitivity directly, transdisciplinary and ho-listic approaches were central to the process. In the research strategy, the following databases were consulted: PSYCinfo, Scopus and PubMed. The keywords sensory processing, sensitive, environ-mental sensitivity, education were placed in all electronic databases and set to be found in the titles, abstracts or keywords of the documents. No limits on dates were established. At the preparation stage, articles relevant to the topic were selected and supplemented with publications related to child development and educational context. The search was conducted from December 2018 to July 2019.
Źródło:
Problemy Wczesnej Edukacji; 2020, 48, 1; 51-62
1734-1582
2451-2230
Pojawia się w:
Problemy Wczesnej Edukacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formation of a linguistic competence of pre-school children in the language learning developmental environment
Autorzy:
Spiridonova, Anna
Powiązania:
https://bibliotekanauki.pl/articles/443127.pdf
Data publikacji:
2011
Wydawca:
ADVSEO
Tematy:
EARLY LANGUAGE TEACHING
LINGUISTIC COMPETENCE
ENVIRONMENTAL APPROACH
LANGUAGE LEARNING DEVELOPMENT ENVIRONMENT (LLDE)
OBJECT ORIENTATED ACTIVITY
Opis:
The problem of early language education is discussed in the paper. The components of the linguistic competence of pre-school children are described. Definitions of such concepts as the environmental approach and the Language Learning Developmental Environment (LLDE) are given. The article also focuses on the LLDE components illustrating theoretical data with practical examples. The most efficient means of early language learning and of forming the linguistic competence of pre-school children are analyzed.
Źródło:
General and Professional Education; 2011, 3; 41-51
2084-1469
Pojawia się w:
General and Professional Education
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A seamless software defined radio development flow for waveform and prototype debugging
Autorzy:
Witte, E. M.
Kempf, T.
Ramakrishnan, V.
Powiązania:
https://bibliotekanauki.pl/articles/308229.pdf
Data publikacji:
2008
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
software defined radio
prototype platform
wave-form development environment
electronic system level simulation
waveform debugging
stimulus feedback
Opis:
With the increasing number of wireless communication standards flexibility has gained more and more importance which has lead to the software defined radio (SDR) concept. However, SDR development has to face many challenges, among them are the questions how SDR systems can be designed to achieve flexibility, architectural efficiency, energy efficiency and portability at the same time. These requirements result in very elaborate architectures and a highly increased design complexity. To cope with such complexity, we proposed an SDR development flow. During the development of such SDR, debugging becomes more efficient on a prototype hardware implementation than on a simulation model. However, error analysis on a prototype suffers from strong limitations like a reduced state visibility. In this paper, an extension to the SDR development flow is presented and successfully applied to an example SDR. It allows for an efficient error analysis with the SDR simulation model by the feedback of stimulus data from the prototype.
Źródło:
Journal of Telecommunications and Information Technology; 2008, 2; 21-29
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Methodology of Using Augmented Reality Technology in the Training of Future Computer Science Teachers
Metodologia wykorzystania technologii rozszerzonej rzeczywistości w szkoleniu przyszłych nauczycieli informatyki
Autorzy:
Balyk, Nadiia
Grod, Inna
Vasylenko, Yaroslav
Shmyger, Galyna
Oleksiuk, Vasyl
Powiązania:
https://bibliotekanauki.pl/articles/2046862.pdf
Data publikacji:
2021-06-29
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
rzeczywistość rozszerzona
rzeczywistość wirtualna
zestaw narzędzi dla programistów do rzeczywistości rozszerzonej
zestaw do tworzenia oprogramowania
zintegrowane środowisko programistyczne
augmented reality
virtual reality
augmented reality software developer toolkit
software development kit
integrated development environment
Opis:
The paper describes the concept of augmented reality. Based on literature analysis, the authors claim that augmented reality technology enriches human experiences with digital data. The introduction of augmented reality applications and services provides an opportunity to increase the realism of research, while also offering an enhanced emotional and cognitive experience. Therefore, it can be an effective tool for the organization of learning in schools, colleges and universities.Augmented reality technologies can be interesting as an object of study as well. To do this, scientists need to design, develop and test appropriate methodologies.This paper explores one of the components of such techniques. The authors analysed several platforms for creating augmented reality applications. Unity, Vuforia and 3d-Studio were chosen for the purpose of analysis. Using them, the authors developed a fragment of the content of education. It contains instructionsfor creating an augmented reality application. The paper contains the author’s account of the process of training future teachers of computer science at Ternopil Volodymyr Hnatiuk National Pedagogical University (Ukraine). Based on the conducted study, the authors claim that students showed considerable interest in augmented reality technologies and the content of their training.
Artykuł zawiera przegląd koncepcji rozszerzonej rzeczywistości. Na podstawie analizy literatury autorzy twierdzą, że technologia rzeczywistości rozszerzonej wzbogaca ludzkie doznania o dane cyfrowe. Wprowadzenie aplikacji i usług rzeczywistości rozszerzonej daje szansę na zwiększenie realizmu badań; dostarcza wrażeń emocjonalnych i poznawczych. Może więc być skutecznym narzędziem do organizacji nauki w szkołach i na uczelniach. Technologie rzeczywistości rozszerzonej mogą być również interesujące jako przedmiot badań. Dlatego naukowcy muszą zaprojektować, opracować i przetestować odpowiednie metodologie. Autorzy artykułu przeanalizowali kilka platform do tworzenia aplikacji rozszerzonej rzeczywistości. Wśród nich wybrano Unity, Vuforia i 3d-Studio. Korzystając z nich, autorzy opracowali fragment treści kształcenia zawierający instrukcje tworzenia aplikacji rozszerzonej rzeczywistości. Artykuł zawiera relację autora z procesu kształcenia przyszłych nauczycieli informatyki na Narodowym Uniwersytecie Pedagogicznym im. Włodzimierza Hnatiuka w Tarnopolu (Ukraina). Na podstawie badania autorzy twierdzą, że studenci wykazywali duże zainteresowanie technologiami rozszerzonej rzeczywistości i treścią ich szkoleń.
Źródło:
International Journal of Research in E-learning IJREL; 2021, 7, 1; 1-20
2451-2583
2543-6155
Pojawia się w:
International Journal of Research in E-learning IJREL
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
External Determinants of the Development of Small and Medium-Sized Enterprises – Empirical Analysis
Autorzy:
Lisowska, Renata
Powiązania:
https://bibliotekanauki.pl/articles/475061.pdf
Data publikacji:
2015
Wydawca:
Fundacja Upowszechniająca Wiedzę i Naukę Cognitione
Tematy:
SME's development
determinants of SME's development
macroenvironment
meso-environment
micro-environment
Opis:
The paper aims to identify external determinants of the development of small and medium-sized enterprises and assess their impact on the functioning of these entities in Poland. Meeting this objective required: identifying determinants of the development of SMEs, determining the current development situation of the surveyed enterprises and examining the impact of external determinants on the development of SMEs. The implementation of the above-presented goals was based on the following assumptions: (i) the current situation of the surveyed enterprises is determined with the use of quantitative indicators (turnover volume, number of employees, market share, profit levels) (ii) the analysis of external determinants encompasses three components of the environment: the macro-environment, the meso-environment and the micro-environment, (iii) in each analysed area there are separate analyses conducted for micro, small and medium-sized enterprises, enabling greater precision in the identification of external determinants of development for each category of businesses.
Źródło:
Journal of Entrepreneurship, Management and Innovation; 2015, 11, 4; 115-138
2299-7075
2299-7326
Pojawia się w:
Journal of Entrepreneurship, Management and Innovation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
LEGAL ASPECTS OF THE ENVIRONMENTAL PROTECTION POLICY IN THE REPUBLIC OF POLAND. SELECTED ISSUES
Autorzy:
Kamiński, Paweł
Radziwon-Kamińska, Ilona
Targońska, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1818405.pdf
Data publikacji:
2020-04-10
Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:
national environmental policy
environmental protection policy
public policies
National Environmental Policy 2030 - the development strategy for environment and water management area
sustainable development
Opis:
Environmental protection policy is a multi-faceted issue which interests researchers in different branches of knowledge. The implementation of solutions of the environmental protection may take different forms among which are legal instruments. One of those legal instruments is the environmental protection policy. The aim of this article is to analyse this policy and to evaluate its functioning in the Republic of Poland as one of the public policies. Furthermore, a crucial part of this article is to define the environmental protection policy, national environmental policy and its legal bases. What is more, the article will present the analysis of purposes, directions and areas included in the Polish National Environmental Policy - 2030. To make this analysis complete it is required to indicate symptoms of the sustainable development in the environmental protection policy. As a main tool of consideration, the dogmatic-legal method, has been used. The analysis of the main topic consists of legal acts and literature on the subject (containing Polish and foreign scientific publications).
Źródło:
Zeszyty Naukowe Uniwersytetu Przyrodniczo-Humanistycznego w Siedlcach; 2019, 50, 123; 45-53
2082-5501
Pojawia się w:
Zeszyty Naukowe Uniwersytetu Przyrodniczo-Humanistycznego w Siedlcach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Issues Of International Economics: Environmental Aspects
Autorzy:
Zharova, Liubov
Powiązania:
https://bibliotekanauki.pl/articles/476299.pdf
Data publikacji:
2018
Wydawca:
Wyższa Szkoła Ekonomiczno-Humanistyczna w Bielsku-Białej
Tematy:
economics
development
sustainable development
international management
environment
Opis:
International trade and globalization are among the two most important prerequisites for the country’s economic development. The country’s active involvement in world trade leads to greater openness exacerbates many contradictions that are summarized in the principles of the economy, in particular the face trade-offs (between efficiency and equity). Despite the fact that these issues become accustomed to being considered in the socio-economic, the exhaustion of natural resources requires its implementation to the ecological dimension. There could be pointed several aspects of environmental dimension of international economics: implementation of borrowed outdated technologies and the attraction of investments by the availability of cheap labor; dependence on the mining and export of minerals and raw materials; filling the internal market with cheap and insufficient quality goods ctr. Thereby the participation in contemporary international economic relations needs to take into accounts also the environmental aspects and ecological factors for the effective development in the long-term perspective.
Źródło:
MIND Journal; 2018, 6; 1-13
2451-4454
Pojawia się w:
MIND Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sen’s concept of development as freedom and the idea of sustainable development
Autorzy:
Płachciak, Adam
Powiązania:
https://bibliotekanauki.pl/articles/652755.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
freedom
development
responsibility
natural environment
sustainable development
Opis:
On the one hand, the contemporary world is a place of sheer abundance; on the other, it is a place where the poverty is widespread, people’s needs are unsatisfied, and the natural and socioeconomic systems remain unstable. The negligence/absence of human rights and basic political needs pose a direct threat to development. One of the most effective answers to such a threat is the idea of sustainable development, which works towards the goal of satisfying the needs of present generations without depriving the future generations of their options and basic needs. Amartya Sen’s concept of development, understood as a process of extending basic civil rights and freedoms as well as improving the effectiveness of social security networks is crucial for intellectual reflection on the idea of sustainable development.
Źródło:
Annales. Etyka w Życiu Gospodarczym; 2017, 20, 6; 147-156
1899-2226
2353-4869
Pojawia się w:
Annales. Etyka w Życiu Gospodarczym
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Negative Environmental Impacts of Production Technologies
Autorzy:
Besta, Petr
Janovská, Kamila
Martínek, Zdeněk
Švecová, Eva
Drastich, Adam
Powiązania:
https://bibliotekanauki.pl/articles/2174930.pdf
Data publikacji:
2022
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
technology
waste
environment
sustainable development
Opis:
The current market environment is affected by several fundamental changes. A large number of these affect manufacturing companies the most. They are forced to continuously reduce their costs, improve the quality of service to their customers and adapt to a highly competitive environment. However, environmental requirements for production processes have become increasingly important in recent years. These are underpinned by legislative changes that put enormous pressure on manufacturers. Often, environmental requirements can also determine the economic success of a manufacturer. The areas that have a significant environmental impact include metallurgical technologies. These are currently predominantly based on the use of coke, which is produced from high-quality hard coal. The mining of raw materials also has significant environmental impacts. The article deals with analysing downstream production processes regarding their environmental impact. These are the areas of mining, ore processing and iron and steel production. These areas can be seen as downstream production stages. Iron ore processing and iron and steel production often occur within a single production organisation. Therefore, a possible overall optimisation in handling environmental impacts and treating pollutants can be assumed. The secondary objective of the paper is to analytically assess the potential reuse of the produced waste in production processes. The article is based on the research results carried out in a selected metallurgical enterprise in the Czech Republic.
Źródło:
Rocznik Ochrona Środowiska; 2022, 24; 307--325
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environment-friendly roads
Autorzy:
Leniak-Tomczyk, A.
Łagoda, G.
Powiązania:
https://bibliotekanauki.pl/articles/389914.pdf
Data publikacji:
2016
Wydawca:
Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:
roads
environment protection
sustainable development
Opis:
Road schemes are linear in nature, which makes the investment process exceptionally difficult and complex, requiring the involvement of large human potential, time-consuming and very expensive. One road investment is subject to numerous consultations, requires many different studies, collecting a huge amount of opinions as well as approvals and obtaining a number of decisions. Currently without including in the project some solutions that would both guarantee minimal influence of the investment on the environment and ensure the efficiency of local ecosystems it is impossible to obtain the positive decision concerning the condition of the environment, which would allow the realisation of the project. An engineer of the 21st century apart from providing the right construction of a given structure, which ensures that this structure is secure, functional, resistant and has architectural merit, must also take into consideration local environmental conditions. The engineer has to ensure that the environment may function without any obstacles and the species may migrate without restraint. To do this, an engineer needs to have clear guidelines concerning both the project and its realisation. The article contains the general form of these guidelines.
Źródło:
Budownictwo i Architektura; 2016, 15, 1; 235-247
1899-0665
Pojawia się w:
Budownictwo i Architektura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A University as a Driving Force of Ecological Initiatives for Society
Autorzy:
Sobczyk, Wiktoria
Ciepiela, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/2045829.pdf
Data publikacji:
2021-12-28
Wydawca:
Uniwersytet Rzeszowski
Tematy:
university
sustainable development
education
environment
Opis:
This paper emphasizes the role of universities in encouraging ecological initiatives for sustainable development. We characterized the origin of sustainability and its consistency with the Constitution of the Republic of Poland. Moreover, we present ecological education as the concept of lifelong learning in the spirit of respect for the natural world. The examples of pro-ecological higher education initiatives were described, such as Poznan School of Logistics (“EKO-LOG” programme), Jan Kochanowski University of Kielce and the University of Social and Medical Sciences in Warsaw (education of ethnic minorities), Andrzej Frycz-Modrzewski Krakow University and the University of Agriculture in Krakow (Friend of the National Park educational program) as well as the AGH University of Science and Technology (continuing education). It has been shown that schools and universities play a major role in environmental education not only for children, but also adults. It is worth mentioning that the potential and clout of universities should be continuously employed in the environmental movement.
Źródło:
Journal of Education, Technology and Computer Science; 2021, 12, 2(32); 197-202
2719-6550
Pojawia się w:
Journal of Education, Technology and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Work Environment and Production Development in Swedish Manufacturing Industry
Autorzy:
Johansson, B.
Powiązania:
https://bibliotekanauki.pl/articles/90805.pdf
Data publikacji:
2010
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
work environment
production
development
manufacturing
Sweden
Opis:
Swedish manufacturing industry has previous held a leading position regarding the development of attractive industrial work environments, but increasing market competition has changed the possibilities to maintain the position. The purpose of this literature study is therefore to describe and analyze how Swedish manufacturing industry manages work environment and production development in the new millennium. The description and analysis is based on recently reported Swedish research and development. The gathered picture of how production systems generally are developed in Sweden strongly contrasts against the idealized theoretical and legal view of how production systems should be developed. Even if some of the researchers’ and authorities’ ambitions and demands may seem unrealistically high today, there still is a very large potential for improving the processes and tools for designing production systems and work environment.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2010, 16, 3; 375-386
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploitation of Mineral Resources for Sustainable Development on the Example of Poland
Autorzy:
Sobczyk, Wiktoria
Kowalska, Anna
Sobczyk, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2042864.pdf
Data publikacji:
2020-11-05
Wydawca:
Uniwersytet Rzeszowski
Tematy:
moral education
educational environment
child development
Opis:
Nuisance for the people living in areas covered by the direct or indirect impact of the mining industry is an important social problem. The development of the mining industry depends on high environmental requirements, in particular, it is closely related to the fulfillment of obligations of safety for human health and life. Through consultation with the local society and targeted actions degraded land can become attractive. In contrast, the lack of reclamation leads to the intensification of negative phenomena: erosion, surface mass movements, changes in the ecosystem, eutrophication of water tanks. Maintaining balance in the natural environment is the basic criterion for the proper functioning of industrial facilities. Mining activity is a threat to the environment, including human health and life. Use of the environment by mining is subject to adjustment to the legislation and carrying out mining activities in line with environmental requirements. Mining activities and nature protection can operate in a sustainable manner. Appropriate selection of methods for mineral exploitation allows you to minimize the impact on the environment components. The positive impact of opencast mining is reflected in the creation of new habitats of plants and animals in post-mining areas, in the creation of new recreation places, in diversifying the landscape thanks to the construction of water reservoirs. Lakes formed after use of natural aggregates overgrown vegetation reed, acting as a convenient place to settle th e water birds.
Źródło:
Journal of Education, Technology and Computer Science; 2020, 11, 1(31); 49-52
2719-6550
Pojawia się w:
Journal of Education, Technology and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Results and Their Interpretation of the Pilot Testing of the Developed Technology for the Extraction of the Precious Metals
Wdrożenie technologii wydzielania metali szlachetnych w instalacji pilotowej – wyniki i ich interpretacja
Autorzy:
Tyushkova, N.
Powiązania:
https://bibliotekanauki.pl/articles/318500.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Przeróbki Kopalin
Tematy:
wdrożenie technologii ekologicznych
odzysk srebra i złota
ekstrakcja rozpuszczalnikowa
interpretacja wyników analizy
development of environment-oriented technologies
gold and silver recovery
solvent extraction
interpretation of analyses’ results
Opis:
The important nature-protection value, when developing the mineral deposits, belongs to the technologies directed first of all on the increase of extraction of useful components from the ore minerals at reducing the volumes of dump products and decreasing therein the content of harmful admixtures that considerably reduces a level of contamination to the environment and the other negative ecological effects [1–6]. Taking into account dramatically increasing requirements to the environmental protection, there have been developed the low-waste technology to extract gold and silver from gold-containing quartzites with the use of waste waters in circulation. In conducting pilot tests to improve the reliability of quantitative determination of valuable components from ore, is the use of reliable and accurate sampling system. Thus large amounts of ore are being processed [7,8]. And as critical is the accuracy of the analytical methods for the determination of these valuable components in the original ore, as well as in the intermediate products of enrichment, the final concentrate and final tails. In the presence of free gold in the ore in determining it from hard products and rock ores the error probability increases significantly [9,10]. The purpose of this research was to test the technology developed in the enrichment of gold quartzite in semi- industrial conditions, as well as the interpretation of analyses’ results when testing enrichment’s technology of precious metals from gold quartzite . The results of process studies of ore showed that the most effective of the tested methods appeared to be the direct cyanidation of crushed ore up to 95% cl. –0,08 mm. In this regard, the extraction of gold ranges from 91,7% to 100% , and silver – from 48% to 68% and with content of precious metals in dump cakes left the traces – 0,2 g/t on gold and 9,7–6,4 g/t on silver accordingly. A scope of processed ore, a study of all the factors at desalinization of precious metals, milling fineness of the ore, influence of the pulp density, concentration potassium cyanide and lime as well as the kinetics of the process, allow insisting that the obtained results will be fully reproduced at the industrial processing of quartzites of the field, but they are also may be used for designing the mobile module unit to extract precious metals for the given type of ores [11–14].
Podczas eksploatacji złóż mineralnych bardzo ważnym aspektem jest ochrona środowiska. Dlatego obecne technologie koncentrują się na zwiększeniu uzysku składników użytecznych z jednoczesnym obniżeniem ilości odpadów. Dzięki temu redukuje się ilość szkodliwych odpadów, a co za tym idzie obniża się również poziom zanieczyszczenia środowiska oraz innych negatywnych oddziaływań ekologicznych [1–6]. Biorąc pod uwagę gwałtowny wzrost wymogów dotyczących ochrony środowiska, opracowano niskoodpadowe technologie pozyskiwania złota i srebra z kwarcytów bogatych w złoto. W testach pilotażowych, mających udowodnić wiarygodność wyników badań ilościowych cennych składników rudy, ważne jest wykorzystanie niezawodnego i dokładnego systemu poboru próbek. W tym celu przetwarza się znaczne ilości rud [7,8]. Dokładność jest kluczowym aspektem metod analitycznych w dążeniu do określenia cennych składników rudy, jak również końcowego składu i ilości odpadów. Przy określaniu ilości złota rodzimego ze skały zwięzłej ryzyko błędu znacząco wzrasta [9,10]. Celem niniejszych badań było sprawdzenie opracowanej technologii wzbogacania kwarcytu złotonośnego w warunkach pół-przemysłowych, jak również opracowanie analiza wyników testów technologicznych wzbogacania złota z kwarcytu. Wyniki badań pokazały, że najefektywniejszą z badanych metod okazała się bezpośrednia cyjanizacja kruszonych rud do 95% poziomu ufności – 0,08mm. W wymienionej metodzie, uzysk złota waha się od 91,7% do 100%, a srebra – od 48% do 68%, wraz z zawartość metali szlachetnych w spiekach odpadowych – odpowiednio 0,2 g/t złota i 9,7- 6,4 g/t srebra. Zakres badań nad przetwórstwem rud, jak również nad wszystkimi czynnikami ważnymi dla ługowania metali szlachetnych, mielenia rud, wpływu gęstości pulpy, stężenia cyjanku potasu i wapna, jak również kinetyki procesu, pozwala na stwierdzenie, że uzyskane wyniki mogą być w pełni powielone przy przetwórstwie przemysłowym złoża kwarcytu, oraz że można je wykorzystać do projektu modułu mobilnej jednostki przerobu metali szlachetnych dla określonego typu rud [11–14].
Źródło:
Inżynieria Mineralna; 2015, R. 16, nr 2, 2; 263-270
1640-4920
Pojawia się w:
Inżynieria Mineralna
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 150

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