volume index是什么意思

用法例句

Studies of bio mechanical pulping of aspen by white rot fungus coacting with alkaline hydrogen peroxide(F APMP)was dealt with in this paper.

提出一种简易快速的黑液等温膨胀体积指数（ＶＩＥ）的测定方法，若样品采取蒸发站出效浓黑液，无需预处理可直接测定。