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426  Articles
1 of 44 pages  |  10  records  |  more records»
Proponemos un modelo ARCH de tipo TGARCH con una distribución t de Student asimétrica. El mismo se construye usando la metodología de Fernández y Steel (1998) y el modelo TGARCH tradicional desarrollado por Zakoian (1994). El modelo se usa para describir ... see more

Proponemos un modelo ARCH de tipo TGARCH con una distribución t de Student asimétrica. El mismo se construye usando la metodología de Fernández y Steel (1998) y el modelo TGARCH tradicional desarrollado por Zakoian (1994). El modelo se usa para describir ... see more

Sago pulp is a lignocellulosic waste rich in cellulose, so that it can be used optimally as a source of carbon and cellulose. Fixed carbon can be obtained maximally by determining the carbonization temperature. This research aims to determine the temperat... see more

Good quality potassium bisulphate (KHS) single crystals have been grown by slow evaporation method at room temperature. The KHS crystal was found to be crystallizing in orthorhombic crystal structure with Pbca space group. The photoluminescence behaviour ... see more

En este estudio se informa sobre la caracterización química de un revestimiento de mortero de cal espeso en un método de construccíon de muros en Filipinas llmado tabique Pampango, o método de acacia y barro. El material de embadurnamiento de un convento ... see more

 Selulosa bakteri merupakan polimer yang memiliki aplikasi yang luas dan menjanjikan dalam berbagai bidang medis. Tujuan dari penelitian tinjauan pustaka ini adalah untuk melakukan penelusuran pustaka untuk mengetahui apakah substrat dan kondisi ferm... see more

Single crystals of intrinsic strontium L(+) tartrate (IST), Mg2+ doped strontium L(+) tartrate (MDST) and Zn2+ doped strontium L(+) tartrate (ZDST) are grown using gel diffusion reaction method. Optimum condition for crystal growth is established by varyi... see more

This paper aims to study characteristics of exchange rate volatility of (EUR/USD) and (GBP/USD) using daily closing prices for two time periods, sub-period form (1 January 2015 until 15 may 2020) and full period from(1 January 2010 until 15 may 2020). Th... see more

The numerous studies conducted on the structure of CaFeO2.5 showed that the material undergoes a series of transformations based on temperature. The first one appears around 700 K and indicates the evolution of the phasemagnetic material to a paramagnetic... see more

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