释义 |
aerogel noun[ C or U ] uk /ˈeə.rə.dʒel/ us /ˈer.ə.dʒel/ a solid material that is synthetic(= artificial, not found in nature), that has a very low density(= mass relative to its size), and that is made by replacing the liquid in a gel with a gas: 气凝胶 When solidified, aerogels make good insulation for a spacecraft or aircraft.凝固后,气凝胶可以为航天器或飞机提供良好的隔热效果。 Jackets lined with aerogel can keep you warm in temperatures of 50 below zero.以气凝胶做内衬的夹克可以在零下50度的温度里保暖。 They discussed the possibility of using aerogels to insulate car doors. As part of her postdoctoral work in inorganic chemistry she began experimenting with aerogels. On board the space shuttle, aerogel collects samples of cosmic dust. In the 1980s, physics researchers learned that large tiles of silica aerogel could detect radiation. SMART Vocabulary: related words and phrases Chemistry: types of chemical acid salt albumin alkali metal alkaline alkalinity alkaloid antioxidant carbohydrate inorganic isopropanol ketone lectin melamine methyl orange monosaccharide mothball propellant saline soluble sulphide |