1) phase center correction
改化
1.
Finally some feasible conclusions and suggestions with respect to antenna phase center correction in high precision GPS applications are listed.
介绍了GPS天线相位中心偏移、变化的校准方法和GPS天线相位中心改化的原理,并通过GAMIT软件描述了改化算法。
2) chemical modification
化学改性
1.
Progress in research of chemical modification and antioxidant activity of low-molecular-weight κ-carrageenan;
低分子量κ-卡拉胶的化学改性及其抗氧化性能研究进展
2.
Research progress of adhesives made from chemical modification of soy protein;
大豆蛋白胶粘剂的化学改性研究进展
3.
Advances in modification methods of phospholipids(Ⅰ):physical and chemical modification;
磷脂改性方法的研究进展(Ⅰ)——物理与化学改性
3) oxidizing modification
氧化改性
1.
Characterization and coagulation performance of poly-silicic-ferric sulfate and its oxidizing modification coagulant;
聚硅酸铁及其氧化改性剂的表征与性能分析
4) optimization
[英][,ɔptimai'zeiʃən] [美][,ɑptɪmaɪ'zeʃən]
优化改进
1.
In terms of defects existing during spider extrusion,optimization was done to improve the spider structure with better adaptability.
针对直通式挤管机头在生产实际中存在的缺陷,对不足的地方优化设计,在直通式机头的基础上进行优化改进设计,使机头的适应性更强,并且该机头适合各种热敏性塑料管材的成型。
2.
We carry numerical simulation optimization work based on original simulation and improve the airflow of enthalpy potential laboratory greatly.
在此基础上对测试室内气流组织进行优化改进设计,明显改善测试室气流组织分布。
5) chemical alteration
化学改造
1.
Gas geochemistry, fluid inclusion salinity, core observation and thin section analysis indicate that the Permian-Triassic Changxing-Feixianguan gas reservoir experienced chemical alteration of thermochemical sulfate reduction (TSR) since the middle Yanshanian period.
通过天然气地球化学特征、流体包裹体盐度和岩心及薄片的镜下详细观察后认为,川东北地区长兴组—飞仙关组的大多数气藏遭受了热化学硫酸盐还原作用(TSR)的化学改造,TSR的改造主要表现在3个方面:1使C2+重烃相对于CH4、12C相对于13C优先被消耗,造成天然气干燥系数变大和碳同位素变重;2由于TSR产生的大量淡水的加入,使气藏的原生地层水被稀释,造成地层水盐度降低;3TSR相关流体(烃类和H2S等)与储层岩石之间的相互作用使储层被溶蚀和硬石膏发生蚀变,造成储层孔隙度增大,从而对改善其物性具有重要意义。
6) Chlorination modification
氯化改性
1.
Chlorination modification of polypropylene using toluence as solvent and benzoperoxide(BPO)as initiator was carried out by radical polymerization,After studying the relation between melting point and degree of chlorination of chlorinated polypropylene(CPP),A model of relation between them was obtained.
以甲苯为溶剂,过氧化二苯甲酰(BPO)为引发剂,通过自由基聚合,对聚丙烯(PP)进行氯化改性;研究了PP氯化改性熔点与氯化度的关系,模拟出了氯化聚丙烯(CPP)氯化度与熔点之间的关系模型,该模型为CPP的氯化度的测定提供了一种较为简便的方
2.
polypropylene's chlorination modification was carried out by free radical process using toluence as solvent and benzoperoxide(BPO) as initiator;effects of reaction temperature,time,concentration of PP and initiator,and flow rate of chlorine gas on the chloridizing degree were studied in detail.
以甲苯为溶剂,过氧化二苯甲酰(BPO)为引发剂,通过自由基聚合,对PP进行氯化改性;研究了不同反应温度、反应时间、PP的浓度、BPO浓度以及氯气流动速率等因素对氯化度的影响,采用FTIR对产品结构进行了表征。
补充资料：改化
1.改变转化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条