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Journal of Thermal Analysis and Calorimetry
Authors:
Lidija Gomidželović
,
Dragana Živković
,
Ana Kostov
,
Aleksandra Mitovski
, and
Ljubiša Balanović

Introduction Materials based on ternary system Ga–In–Sb, and the constituent systems included in its composition, are widely used in electronic industry in the form of thin films in the production of various electronic devices

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Optimization (PSO); Ant Colony Optimization (ACO.); and Genetic Algorithm (GA); are commonly employed (GA). Despite its advantages over other artificial intelligence algorithms, as demonstrated by the results of this research, the SSO is rarely employed to

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Journal of Thermal Analysis and Calorimetry
Authors:
Ljubiša Balanović
,
Dragana Živković
,
Aleksandra Mitovski
,
Dragan Manasijević
, and
Živan Živković

]. Therefore, an interest in investigation of different Zn–Al-based alloys increased recently in this field. One of the systems, interesting from that point of view, is the Zn–Al–Ga system, shown in Fig. 1 . Fig. 1 The

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.-G. 2014 . Exogenous GA3 application can compensate the morphogenetic effects of the GA-responsive dwarfing gene Rht12 in bread wheat . PLoS ONE 9 :e 86431 . Colombo , N. , Favret , E

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infrared windows, ultra fast optical switches, optical isolators, and other photonic devices for communications [ 1 – 7 ]. Gallium oxide is known as glass-former where GaO 4 and GaO 6 are the basic structural units [ 2 ]. The addition of Ga 2 O 3 to

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. In these structures, each atom is tetrahedrally bonded to its first neighbors [ 2 , 3 ]. The gallium arsenide clusters of the general formula Ga x As y using laser-vaporization of gallium arsenide crystal has been generated recently [ 4 ]. The

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Abstract  

In this paper, Ga-GeSb0.855 section in the ternary system Ga–Ge–Sb was studied using thermodynamic predicting methods by Muggianu and Toop, while characterization of the chosen alloys was done by DTA, X-ray and SEM-EDX method.

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Abstract  

Thermodynamic investigations of Ga-GeSb0.855 section in the ternary system Ga-Ge-Sb, which is of a practical importance in electric-industry, are presented in this paper. Results of a comparative thermodynamic analysis at 1273 K obtained by Oelsen calorimetry and predicting methods - general solution model and Hajra's method are also given.

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Abstract  

A novel type of a binary Ga/Ag alloy electrodeposited on silver substrate as a solid target was developed. It was successfully used for the preparation of 68Gc/68Ga generator. The deposition was carried out in an alkali solution containing gallium, silver and certain electrolytes at controlled current and ambient temperature so that the quality of the deposits was proved to be suited for target irradiation. The yield of 68Ge with proton bombardment on this deposits via the 69Ga(p,2n) reaction was assessed. The chemical process for providing millicuries 68Ge/68Ga generator using a generic tin dioxide as an adsorbent was also established. It was revealed from long-term elution tests that approximately 60–70% of 68Ga could be eluted from the generator column with 4 ml of 1.0M HCl per elution, and high radio- and chemical purities of the eluates were quite satisfactory for application purposes.

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Rhizosphere and rhizoplane of fababean (Vicia faba), melochia (Corchorus olitorius), sesame (Sesamum indicum) and soyabean (Glycine max) plants are inhabited with fungi, mostly Aspergillus flavus, A. niger, Fusarium oxysporum, Penicillium corylophilum, P. cyclopium, P. funiculosum and Rhizopus stolonifer. All fungal species have the ability to produce gibberellin (GA) but F. oxysporum was found to produce both GA and indole-acetic acid (IAA). The optimum period for GA and IAA production by F. oxysporum was 10 days in the mycelium and 15 days in the filtrate at 28 °C. The contents of GA, IAA and cytochrome P-450 were increased at 0.5 and 1% NaCl after 5 days, but GA and IAA were lowered at 4% (700 mM) NaCl. Calcium decreased NaCl stress on F. oxysporum by significant elevating GA biosynthesis at 40mM Ca2+/700 mM Na+. GA at 10 mM and Ca2+ at 10 mM enhanced the germination of seeds under 175 mM Na+.

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