詞語：Fr-number
Fr-number的意思
Fr-number 弗勞德數;弗魯德數;
Fr-number的參考例句
1.Assumed "FR flame-retardant polymer nano new materials" such as plans to issue a number of science and technology public relations. 承擔了「FR納米高分子阻燃新材料」等多項科技公關計劃課題。
2.A continuous multi-layer with a large number of pores was observed. Structure of the film was found to be different fr om polytetrafluoroethylene and polyvinyl fluoride. 濺射後織物表面生成一種不同於聚氟乙烯和聚四氟乙烯結構的薄膜，薄膜呈多層貫通蜂窩狀結構。
3.Radiation-induced crosslinking effects in polymeric materials have been used to produce low halogen and halogen-free FR polymers, which are applied in a number of industries. 輻照技術可通過引發聚合物的交聯，從而制備聚合物低鹵甚至無鹵阻燃材料，是一種應用前景廣闊的新技術。