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透明─不透明材料一种到达某一温度时会从透明变成不透明的材料可用于太阳集热器过热保护。德国研究人员发明的这种材料在集热器过热时会从吸热状态转变成反射光的状态。新材料是聚丙烯氧化物和含苯乙烯与２－羟基乙基丙烯酸酯共聚合物的混合物，它跟多数聚合物的混合物一...
Transparent ─ opaque material A material that changes from clear to opaque when it reaches a certain temperature can be used to overheat the solar collector. The German researchers invented this material in the overheating of the collector from the endothermic state into the reflected light state. The new material is polypropylene oxide and a mixture of styrene and 2-hydroxyethyl acrylate copolymer, which is mixed with most polymers ...