科学家说,由于气凝胶拥有极多的微孔和褶皱,因此一立方厘米的气凝胶摊开后能够覆盖一个足球场。
Scientists say that because it has so many millions of pores and ridges, if one cubic centimetre of aerogel were unravelled it would fill an area the size of a football field.
山杨气凝胶公司的资深科学家Mark Krajewski相信:18毫米的气凝胶夹层就足以在低至零下130摄氏度的环境里保护宇航员。
Mark Krajewski, a senior scientist at the company, believes that an 18mm layer of aerogel will be sufficient to protect astronauts from temperatures as low as -130c.
方法:以醋酸磺胺米隆和盐酸达克罗宁为主药,以羧甲基纤维钠和甘油为基质,制备水溶性凝胶,以紫外分光光度法测定含量。
METHODS The gel was prepared by taking mafenide acetate and dyclonine hydrochloride as main components, carboxymethylcellulose sodium and glycerol as base material.
以大米粉、植物胶和凝胶增强剂等为原料,开发研制了方便米凉糕粉产品。
Rice flour, the gum and the gel-strengthen agent and so on were used as raw materials and aimed to develop the convenience rice-gel product.
以大米粉、植物胶和凝胶增强剂等为原料,开发研制了方便米凉糕粉产品。
Rice flour, the gum and the gel-strengthen agent and so on were used as raw materials and aimed to develop the convenience rice-gel product.
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