preroasting meaning in English

预焙烧

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
在锐钛型纳米tio _ 2粉体的制备基础之上，进一步研究了金红石型纳米tio _ 2粉体的制备工艺，探讨了包覆剂用量、预焙解温度、晶型促进剂量及焙烧温度和保温时间等因素对znco _ 3 / ti ( oh ) _ 4沉淀包覆体性能、金红石型纳米tio _ 2粉体产品的粒度和性能的影响。