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17.08.2011 (7:28) Естественные науки >> Физика
Ультразвук очищает при помощи пульсирующих пузырьков
Полупроводниковые пластины, ювелирные украшения и другие деликатные изделия обычно очищаются погружением в ванную с жидкостью, вибрирующей с ультразвуковой частотой. О такой возможности было известно достаточно давно, но до сих пор было не ясно, как в деталях работает ...>>

13.07.2010 (10:48) Технология >> Нанотехнология
Графен против мышьяка
Мышьяк в питьевой воде – достаточно распространенная проблема на нашей планете, ...>>


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