lignin of straw black liquor

• 黑液木素

lignin of straw black liquor的用法和样例：

例句

1. Optimal conditions for preparation of active lignin oxide by oxidizing black-liquor lignin with nitric acid were studied.
   研究了造纸黑液木素稀硝酸氧化法制备活性氧化木素的适宜条件。