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n.成季碱反应；碱化反应
1、quaternary structure of proteins───蛋白质的四级结构
2、quaternary book───第四纪书籍
3、quaternary period───第四纪
4、quaternary food chain───第四纪食物链
5、quaternary───n.四；四个一组；adj.[数]四进制的；四个一组的
6、quaternary structure───[生物物理]四级结构
7、quaternary era───第四纪
1、A kinetic study of quaternization of N-methyl imidazole───N-甲基咪唑季铵化反应动力学研究
2、It proves that this method can be ap-plied for examine the nitrogen content of natural fibre after quaternization. The relative tolerance is only be-low 5% and easy to operate.───实验证明，该方法用于测试天然纤维织物经铵化改性后的含氮量，其相对误差范围不超过5%，且简单易行。
3、A called 178 brightening agent for alkaline zincate bath was prepared by condensation, quaternization.───采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。
4、Effect of Quaternization of N-trimethyl Chitosan on Properties of Insulin Liquid Suppositories in vitro───N-三甲基壳聚糖对胰岛素液体栓剂体外性质的影响
5、The self-crosslinking reaction of the polymer is performed in the process of membrane forming after the quaternization.───聚合物的自交联反应发生在季铵化后的成膜过程。
6、The treatments included two steps: pretreatment of straw to remove most lignin and the quaternization of the residual straw.───处理过程分为两步：原料秸秆的预处理脱去木质素和秸秆残渣的季铵化。
1、A called 178 brightening agent for alkaline zincate bath was prepared by condensation, quaternization. The process conditions, properties of the bath and the deposit were also investigated.
2、It proves that this method can be ap-plied for examine the nitrogen content of natural fibre after quaternization. The relative tolerance is only be-low 5% and easy to operate.
3、Novel Hemicellulosic derivatives were prepared using sugarcane bagasse hemicelluloses materials in heterogeneous system by quaternization.