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(a) King oyster mushrooms (Pleurotus eryngii) fruiting from supplemented cottonseed hull substrate. (b) Pleurotus ostreatus fruiting from straw/cottonseed hull substrate contained in plastic bags. (c) Pleurotus cornucopiae fruiting from cottonseed…

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from article Oyster mushrooms

Nutrients in raw oyster mushrooms based on the U.S. Food and Drug Administration reference serving size of 84 g (3 oz) for raw mushrooms. Oyster mushrooms are not a significant source of saturated fat, trans fat, cholesterol, sugars, vitamin A, or…

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from article Extensible Markup Language (XML) databases

Sample XML markup.

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from article Extensible Markup Language (XML) databases

Sample XSL markup.

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from article Optical clocks and relativity

Clock accuracy. (a) A comparison of different clocks. The clock accuracy is plotted versus its frequency on a log-log scale. The right axis label puts the accuracy in terms of special relativistic time dilation with the minimum resolvable velocity…

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from article Optical clocks and relativity

Schematic diagram of an optical atomic clock.

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from article Optical clocks and relativity

Measurement of gravitational time dilation. This experiment compared the frequency of the clock shown above with a separate Al+ clock not shown. After the initial set of frequency comparisons (1–4) that effectively synchronized the two clocks, this…

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from article Chaos control