The research and application on the polymeric materials modified lignin become very active.
木质素改性高分子材料的基础研究和应用开发极为活跃。
Therefore the modified lignin has bright prospect as sacrificial agent in the tertiary oil recovery.
改性碱木质素作为三次采油牺牲剂具有广泛的应用前景。
Therefore the modified lignin has bright application prospects as a sacrificial a-gent in the tertiary oil recovery.
改性碱木质素作为三次采油牺牲剂具有广阔的应用前景。
Hydroxyl values of straw alkali lignin and modified lignin resin were determined by potentiometric titration in suitable composite acylation system.
选用合适的复合酰化体系，通过电位滴定，测定了工业碱木质素及其改性树脂的羟值。
In order to approach a high efficient way of utilizing technical lignin, a study on influence of N-modified lignin on soil biochemical properties was conducted in this paper.
文章通过氮修饰木素对土壤生化特性影响的研究，旨在探索工业木素资源的高效利用途径。
In order to approach a high efficient way of utilizing technical lignin, a study on influence of N-modified lignin on soil biochemical properties was conducted in this paper.
文章通过氮修饰木素对土壤生化特性影响的研究，旨在探索工业木素资源的高效利用途径。
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