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。
In case the spectrum of incident beam is a function of triangular form, we calculated the spectral distribution of transmission through the F-P etalon with a computer.
当入射光束频谱为三角形函数时,我们用计算机计算了透过F - P标准具以后的频谱分布。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器,白光光源经过腔长受温度调制的F - P传感器选频后,用平面光栅和线阵CCD实现光波波长的解调。
It is metastable multiphase suspension formed through dispersing ceramic powder mixture with Si, Al, Ti, Zr, P and B components in water solution.
它是将含硅,铝,钛,锆,磷,硼成分的陶瓷粉末混合物分散在水溶液中而形成的亚稳定状态的多相悬浮液。
The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.
以邻甲氧基苯酚与对氯*为原料,经四步反应合成6-(2-甲氧苯氧基)-1,4-二氢-4-氧代-3-喹啉羧酸乙酯。经抗鸡球虫实验证明具有抗球虫效果。
The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.
以邻甲氧基苯酚与对氯*为原料,经四步反应合成6-(2-甲氧苯氧基)-1,4-二氢-4-氧代-3-喹啉羧酸乙酯。经抗鸡球虫实验证明具有抗球虫效果。
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