منابع مشابه
Computational Study of Ga NMR Shielding in Metallic Gallides
We present first-principles calculations of the isotropic NMR Ga shielding in metallic MGa2 with M = Ca, Sr, Ba and MGa4 with M = Na, Ca, Sr and Ba. We show that the experimentally observed trend of Ga NMR shifts is as expected driven mainly by the spin part of the response, but the orbital contribution must not be neglected. For all analyzed compounds the spin contact term constitute the major...
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چکیده ندارد.
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In the present research we study the codebook generation problem of vector quantization, using two different techniques of Genetic Algorithm (GA). We compared the Simple GA (SGA) method and Ordain GA (OGA) method in vector quantization. SGA with roulette and tournament selection with elitist approach is used in the experiments. The OGA is based on the pair wise nearest neighbour method (PNN). B...
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In this research, the Magnetite nanoparticles (Fe304) were prepared by coprecipitation of Fe- andGinger is a well known spice and flavoring agent which has also been used in traditional medicine inmany countries. Ginger contains essential oils including gingerol and zingiberene. It also containspungent principles such as zingerone, and shogaol. In the paper six theoretical methods were used toc...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2009
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/150/4/042048