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Chimia  reprezintă una dintre ramurile științelor naturale al cărei obiect de studiu îl constituie compoziția, structura, proprietățile și

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Chimia în combaterea pandemii - Free stories online. Create books for kids

Respiratory quotient and loss in volume of expired air.- Dr. Henry C. Chapman called attention to the fact that the so-called respiratory quotient, and originally defined by Pflüger as the ratio of

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Online Library of Liberty: The Collected Works of John Stuart Mill