Slow granule: can make solution PH value in a certain range of constant maintain the basic material.

缓冲剂：能够使溶液PH值在一定范围内维持基本恒定的物质。

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Various factors have a large effect on the results, such as pH value of the solution of the samples, the mass of the samples and the temperature.

研究发现试样溶解是成败的关键，试样溶解时的酸度、所用试样的质量以及所用温度对分析结果有较大的影响。

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The influence of BST concentration in precursor, pH value of the solution and spin speed on the formability of BST thin film was investigated by XRD, SEM and AFM.

通过XRD、SEM、AFM等测试手段对制得薄膜进行物相分析和形貌观察，分析各个因素对BST薄膜成形性的影响。

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