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Wyszukujesz frazę "addition order" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Modeling of distributed objects computing pattern combinations using a formal specification language
Autorzy:
Taibi, T.
Ngo, D. C. L.
Powiązania:
https://bibliotekanauki.pl/articles/908185.pdf
Data publikacji:
2003
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
informatyka
Balanced Pattern Specification Language (BPSL)
First-Order Logic (FOL)
Temporal Logic of Actions (TLA)
substitution
addition
elimination
Opis:
Design patterns help us to respond to the challenges faced while developing Distributed Object Computing (DOC) applications by shifting developers' focus to high-level design concerns, rather than platform specific details. However, due to the inherent ambiguity of the existing textual and graphical descriptions of the design patterns, users are faced with difficulties in understanding when and how to use them. Since design patterns are seldom used in isolation but are usually combined to solve complex problems, the above-mentioned difficulties have even worsened. The formal specification of design patterns and their combination is not meant to replace the existing means of describing patterns, but to complement them in order to achieve accuracy and to allow rigorous reasoning about them. The main problem of the existing formal specification languages for design patterns is the lack of completeness. This is mainly because they tend to focus on specifying either the structural or behavioral aspects of design patterns but not both of them. Moreover, none of them even ventured in specifying DOC patterns and pattern combinations. We propose a simple yet Balanced Pattern Specification Language (BPSL) aimed to achieve equilibrium by specifying both the aspects of design patterns. The language combines two subsets of logic: one from the First-Order Logic (FOL) and the other from the Temporal Logic of Actions (TLA).
Źródło:
International Journal of Applied Mathematics and Computer Science; 2003, 13, 2; 239-253
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of manganese ions addition orders on the flotation behavior of scheelite
Autorzy:
Lu, Kuanwei
Chen, Rong
Zhang, Ying
Luo, Hongying
Yang, Hu
Cai, Jiaozhong
Powiązania:
https://bibliotekanauki.pl/articles/1845215.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
manganese ion
addition order
scheelite
sodium silicate
flotation
Opis:
In this study, the effect of MnCl2 on scheelite flotation with sodium oleate (NaOL) as a collector and sodium silicate as a depressant was assessed by a combination of flotation experiments, Fouriertransform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and solution chemistry. The flotation experiments confirmed that the addition of MnCl2 before sodium silicate showed an adverse effect on flotation and the recovery of scheelite gradually decreased as the amount of MnCl2 was increased. When MnCl2 was added afte r sodium silicate, the recovery of scheelite gradually increased with an increase in the amount of MnCl2. The results of FTIR, XPS, and solution chemistry indicated that MnCl2 acted on the surface of scheelite in the form of manganese ions. When MnCl2 was added before sodium silicate, manganese ions adsorbed on the surface of scheelite reacted with sodium silicate to form a hydrophilic silicate, which covers the surface of scheelite and blocks the adsorption of NaOL. However, when MnCl2 was added after sodium silicate, manganese ions are continued to be adsorbed on the surface of scheelite, which increases the cations on the surface of scheelite, and hence the condition becomes conducive for the interaction between scheelite and NaOL.
Źródło:
Physicochemical Problems of Mineral Processing; 2020, 56, 5; 860-873
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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