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Definition: The word 'Olga_Kochetkova' appears to be a name. Its definition is not easily defined as it involves a woman, her profession, and the surname. Could you provide more context or clarify your question?
Definition: "Koch's law" states that if two liquids are to be mixed, one at a time, the mixture will contain more hydrogen atoms than when all three are present at once. This result can explain why hot coffee quickly cools down compared to cold drinks. It is named after Danish chemist Ole Christian Koch who made significant contributions in chemistry and physics.
Definition: Kochi (aka Kochi) means "place of the sun" in Malayalam, referring to a region or district with abundant sunshine. It's significant because it has been known as one of the most popular places for solar energy facilities due to its sunny nature. The term comes from the Tamil words "kochil," meaning "sun."