The more favorable experiment conditions of preparing anatase nanometer tio2 powder are obtained from a lot of data . preparation technology of rutile nanometer tio2 powder is researched on the base of experiment of anatase nanometer tio2 powder . the influences of enclosure dose ' s quantity , preroasting temperatures phase - transition accelerant ' s quantity and calcining intensity and so on on the properties of inclusion body - zntio3 / ti ( oh ) 4 , granule size and properties of rutile nanometer tio2 powder are discussed 在銳鈦型納米tio _ 2粉體的制備基礎(chǔ)之上,進一步研究了金紅石型納米tio _ 2粉體的制備工藝,探討了包覆劑用量、預(yù)焙解溫度、晶型促進劑量及焙燒溫度和保溫時間等因素對znco _ 3 / ti ( oh ) _ 4沉淀包覆體性能、金紅石型納米tio _ 2粉體產(chǎn)品的粒度和性能的影響。