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2002年新年伊始,我国报刊传出美国埃姆斯实验室制成第一台磁冰箱的消息。什么是磁冰箱? 磁冰箱利用的是磁冷却原理,研制于6年前。世界上一些国家的许多
At the beginning of the New Year in 2002, the news of the first magnetic refrigerator made by the American Ames Laboratory was reported in our newspapers and magazines. What is a magnetic refrigerator? Magnetic refrigerators use the principle of magnetic cooling and were developed six years ago. Many countries in the world