( 4 ) . the application of oxygen sensitive materials in fiber optical dissolved oxygen sensor was studied : the respond time is 20s and the repeatability and stability are excellent . the detection of the sensor is not affected by ph value , but is influenced by the temperature of solution , and only could be used in low - temperature solution for detection ( 4 )氧敏感材料在光纖溶解氧傳感器中的應(yīng)用:該傳感器的響應(yīng)時(shí)間為20s ,重復(fù)性和穩(wěn)定性較好,不受溶液ph值的影響,但受水溫影響較大,只能用于低溫溶解氧的檢測(cè)。