As an important chemical material, 1, 3-propanediol (1, 3-pd) has numerous promising properties and applications.
丙二醇(1,3 - PD)是一种重要的化工原料，具有许多优良特性和很好的应用前景。
The technology for production of 1, 3-propanediol by the gene engineering has been broken through, especially by the pathway engineering.
利用基因工程技术生产1,3 -丙二醇，特别是途径工程的利用已取得了重大突破。
Polyterephthalate produced based on monomeric 1, 3-propanediol is a new polyester material with excellent performance, it is becoming a hot point to develop new synthetic fiber currently.
以1,3 -丙二醇为单体生产的聚对苯二甲酸二醇酯是一种新型聚酯材料，具有优良的特性，是目前合成纤维新品种开发热点。
The latest technical advance of 1, 3-propanediol for PTT raw materials production technique were introduced emphatically.
以及生产ptt的原料1,3 -丙二醇生产工艺近期所取得的新进展。
The research progress on the production technique for 1, 3-propanediol is reviewed.
综述了1,3 -丙二醇生产工艺的研究进展。
This invention involves a continuous and high yield separation method for 1, 3-propanediol from fermentation liquor by reaction-extraction coupling.
本发明涉及一种从发酵液中利用反应-萃取耦合法连续、高收率分离提取1,3 -丙二醇的方法。
When both 1, 2-propanediol and 1, 3-propanediol are produced, it is difficult to tell what factors have a decisive effect on their selectivity.
在同时产生1,2 -丙二醇和1,3 -丙二醇的情况下，很难判断哪些因素对它们的选择性具有决定性作用。
When both 1, 2-propanediol and 1, 3-propanediol are produced, it is difficult to tell what factors have a decisive effect on their selectivity.
在同时产生1,2 -丙二醇和1,3 -丙二醇的情况下，很难判断哪些因素对它们的选择性具有决定性作用。
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