Temat: borax - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Electro-deposition parameters of boron carbonitride (bcn) from borax pentahydrate (NA2B4O7•5H2O)
Autorzy:: Tufan, B.
Batar, T.
Powiązania:: https://bibliotekanauki.pl/articles/109855.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: electro-deposition
boron carbonitride
borax pentahydrate
low temperature
Opis:: The primary objective of this research is the fabrication of boron end products from boron derivatives by electro-deposition as powder or coating. The production of boron carbonitride is achieved by electro-deposition at low temperatures without carbon dioxide emission, regardless of sintering and thermal treatment. The extensive usage of boron is aimed and should be accomplished by application of electro-deposition method for boron carbonitride fabrication.
Źródło:: Physicochemical Problems of Mineral Processing; 2016, 52, 1; 136-146
1643-1049
2084-4735
Pojawia się w:: Physicochemical Problems of Mineral Processing
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Optimization of pure borax pentahydrate extraction from calcined tincal
Autorzy:: Abali, Y.
Bayca, S. U.
Edgunlu, G.
Powiązania:: https://bibliotekanauki.pl/articles/109778.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: optimization
calcined tincal
borax
dissolution
leaching
Taguchi method
Opis:: In this study, conditions for the calcination process of tincal were investigated and the optimum calcination conditions for boron extraction from tincal were determined. The experimental parameters were dissolution temperature, solid-to-liquid ratio, dissolution time and stirring speed. The optimum dissolution parameter levels were determined to be temperature 80 °C, solid-to-liquid ratio 10 g/dm3, stirring speed 250 rpm and dissolution time 5 min.
Źródło:: Physicochemical Problems of Mineral Processing; 2015, 51, 2; 375-385
1643-1049
2084-4735
Pojawia się w:: Physicochemical Problems of Mineral Processing
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Rheological properties of compositions based on modified polyvinyl alcohol
Autorzy:: Krasinskyi, V.
Suberlyak, O.
Antonuk, V.
Jachowicz, T.
Powiązania:: https://bibliotekanauki.pl/articles/102793.pdf
Data publikacji:: 2017
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: polyvinyl alcohol
montmorillonite-polyvinylpyrrolidone mixture
modifier
viscosity
exploitation characteristics
borax
heat treatment
film
Opis:: The paper is dedicated to development of a method for producing structured waterproof films based on polyvinyl alcohol (PVA) and montmorillonite-polyvinylpyrrolidone mixture (MPM) to research the impact of borax, pH-environment and MPM content on the rheological properties PVA solutions and water absorption capacity of films based on them. In the experimental studies it has been established that the montmorillonite- polyvinylpyrrolidone mixture significantly effects on viscosity the characteristics of the solution polyvinyl alcohol provided their mixing in the ultrasonic field. Composition of traces of sodium tetraborate in the aqueous solution eminent by the highest rates of viscosity. Also, designed compositions have a considerable influence on pH at the viscosity, particularly compositions obtained in weakly alkaline environment with higher values of relative viscosity than compositions obtained in neutral and acidic environments. Simultaneously, the best water resistance and mechanical properties of films is obtained in an acidic environment. The optimum from the standpoint of durability and water resistance is a composition of PVA:MPM = 12:1 and because, depending on the contents of the MPM and pH characteristics films based on PVA can be adjusted over a wide range, which would expand the scope.
Źródło:: Advances in Science and Technology. Research Journal; 2017, 11, 3; 304-309
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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