A series of polyester based liquid crystalline ionomers(LCI) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation.
对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应，获得一系列不同离子含量的液晶离聚物。
Results: Through the year, Treatment efficiently percentage reach the standard compared with before treatment in the community, the result is significant difference ( P < 0. 01 ).
结果：通过1年社区治疗，血压达标率及治疗有效率提高，与干预前比较，差异具有统计学意义（P〈0．01）。
The technological process of desulphurization with H. P. F. ammonia method and its reaction mechanism are discussed, the main advantages concluded through the contrast.
主要探讨了H . P. F氨法脱硫的工艺流程及反应机理，通过对比说明该方法的优越性。
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