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- The measurement of carboxyl end group content in PBT was discussed with an automatic potentiometric titrator. 采用全自动电位滴定仪测定PBT切片的端羧基含量,对称样量、溶剂的配比、滴定剂的浓度等进行了正交优化。
- The carboxyl end group value control of Du pont's polyeser technology in direct spinning process is studied. 本文从工业生产的实践出发对杜邦聚酯技术直接纺工艺中端羧基控制进行了研究。
- The reasons for the carboxyl end group fluctuation of bottle grade PET base chips were analysed. 摘要对瓶用基片端羧基波动的原因进行了分析。
- Recombinant human-like collagen with a hexahistidine tail attacked to the carboxyl end could be easily purified by Metal Chelated Affinity Chromatography(MCAC). 研究了应用金属螯合亲和层析法纯化重组类人胶原蛋白的条件。
- It wasconcluded that the problem of carboxyl end group amount increase caused by the increase of loads will besolved through advancing the the loads in PET production process. 结论：可以通过工艺过程的负荷前移的方法，解决提高负荷而带来的端羧基含量升高问题。
- polystyrene containing carboxyl end group 端羧基聚苯乙烯
- Discussion on carboxyl end group control of bottle grade base chips 浅谈瓶用基片端羧基控制
- The accident put an untimely end to the party. 意外事故使聚会匆匆结束了。
- The boys were itching for the lesson to end. 那些男孩子们渴望下课。
- Keywords PET chip;carboxyl end group value;potential titrate; 聚酯切片;羧基值;电位滴定;
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- The company declared a large dividend at the end of the year. 公司在年底宣布分发高额股息。
- The army was disbanded when the war came to an end. 战争结束时，军队即被解散。
- The two teams were all square at the end. 最后两队以积分相同而结束。
- He ended his speech with a merry quip. 他以十分风趣的话结束了演讲。
- The cartoon ended with collapse of stout party. 卡通以一个自以为是的人斗败后目瞪口呆作为结束。
- Are there any exams at the end of this term? 这个学期期末有考试吗？
- The battle finally brought the war to an end. 这一仗使这场战争终告结束。
- The rent is due at the end of each quarter. 缴纳租金以每季度末为期限。
- Wasteful people usually end up in debt. 挥霍浪费者最后往往负债。
