The syntheses, properties and applications of benzocyclobutene monomer and polymers are introduced.本文介绍了苯并环丁烯单体及树脂的合成 、 树脂的性能及应用.Proteins and DNA are polymers.蛋白质和脱氧核糖核酸都是聚合体.Of this quantity 15 % was added to thermoset ...
渣油加工有脱碳工艺 、 氢工艺及沥青气化工艺.Residue processing can be summarized as decarbonization, hydrogenation and asphalt gasification.含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.In niobium alloy containing carbon occurs decarburization in case of contami...