1) sub-step reforms
分步改造
2) changing social systems step by step
分步改制
1.
In the difficult situation of changing social systems in medium and small-sied state-owned enterprises, the reform can be made through changing social systems step by step and in a variety of share rights.
而在国有中小企业整体改制普遍困难的情况下,可以通过分步改制和股权多元化的路径进行改革。
4) separate layer treatment
分层改造
5) molecular modification
分子改造
1.
Due to the high biological activity and low toxicity of ferulic acid and its derivatives as well as wide use in many fields, the intensive study of ferulic acid and its molecular modification is very important.
鉴于阿魏酸及其衍生物的用途广泛,生物活性高而且低毒性,深入开展对阿魏酸及其分子改造的研究具有重要意义。
2.
Recent trends on screening new bacterium,molecular modification of enzyme,transgenic studies,reseach aspect and application of phytase were summarized.
本文综述了近年来植酸酶在新菌株的筛选,酶的分子改造以及转基因方面的研究,并分析了植酸酶的研究方向和应用前景。
6) transformation of air separation device
空分改造
补充资料：分步结晶
一种古老的用于分离化学性质相近的金属化合物的方法。此法依靠化合物间溶解度的微小差别，通过重复操作而达到分离的目的。钽、铌复合氟化物（如K2TaF7和K2NbOF5·H2O）的分步结晶，锆、铪复合氟化物（如K2ZrF6和K2HfF6）的分步结晶,铷、钾草酸盐的分步结晶，轻稀土硝酸盐和硝酸铵(或硝酸镁)复盐的分步结晶等，都曾经在工业上应用。此法近年来虽然多被溶剂萃取法和离子交换法所代替，但在某些条件下仍然应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条