Dietetics

As the three seasons were in perfect seasons, this land of the Tamils, full of living air, was divided into five types of land by the people who lived here. The Tamils ate the food that was grown, grown and available in the climatic conditions of the five types of lands. Unlike foreign countries, the land of the Tamils is neither a snowy region nor a place that is cold for six months. Therefore, the Tamils did not have to fight against nature. Nature gave everything. The Tamils worshipped nature as a deity. The Tamil society, which was cultured in terms of civilization, language, art and culture of the world, would have been the first intellectual race to cook and eat. That is why they divided food into vegetarian, non-vegetarian and fruit-based food. Not only that, the Tamil society combined food with dignity and self-respect, divided the way of eating food and cooked Dharma in food. Nālaḍiyar, one of the books on Pathinenkeezhkanakku, describes the food of the Tamils, the way of eating, where to eat and where not to eat, when the food tastes good, under what circumstances it will lose its taste, and the virtue of feeding the poor

Bond percolation of polymers

We study bond percolation of $N$ non-interacting Gaussian polymers of $\ell$ segments on a 2D square lattice of size $L$ with reflecting boundaries. Through simulations, we find the fraction of configurations displaying {\em no} connected cluster which span from one edge to the opposite edge. From this fraction, we define a critical segment density $\rho_{c}^L(\ell)$ and the associated critical fraction of occupied bonds $p_{c}^L(\ell)$, so that they can be identified as the percolation threshold in the $L \to \infty$ limit. Whereas $p_{c}^L(\ell)$ is found to decrease monotonically with $\ell$ for a wide range of polymer lengths, $\rho_{c}^L(\ell)$ is non-monotonic. We give physical arguments for this intriguing behavior in terms of the competing effects of multiple bond occupancies and polymerization.Comment: 4 pages with 6 figure

Magnetic properties of Hydrogenated Li and Co doped ZnO nanoparticles

The effect of hydrogenation on magnetic properties of Zn0.85Co0.05Li0.10O nanoparticles is presented. It was found that the sample hydrided at room temperature (RT) showed weak ferromagnetism (FM) while that hydrided at 400oC showed robust ferromagnetism at room temperature. In both cases reheating the sample at 400oC in air converts it back into paramagnetic state (P) completely. The characterization of samples by X-ray and electron diffraction (ED) showed that room temperature ferromagnetism observed in the samples hydrogenated at RT is intrinsic in nature whereas that observed in the samples hydrogenated at 400oC is partly due to the cobalt metal clusters.Comment: 10 pages, 3 figure

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