1.保持力
2.【物】顽磁性
1.the power or condition of retaining something
2.the capacity of a material to remain magnetized after the force that magnetized it has been taken away
1.The change laws of pore size, water flux and retentivity of the membrane with pres-sure are investigated.
论述了不同配方铸膜液制成的膜，其孔径、水通量和截留率随操作压力的变化规律。
2.and possessed the best absorbability and retentivity to water.
水和肥的保持、吸收能力更强。
3.Such-not only has a good retentivity to make the plates are dirty, and business card printing and membership card making plate.
这样的砂纲既有精良的保火性，使印版不易上不净，又能加强制卡和会员卡制作版耐印力。
4.Study on absorbability and retentivity of crosslinked polyacrylamide and its modified products to water and fertilizer
水解交联改性的聚丙烯酰胺的吸水保肥能力研究
5.Preparation, Moisture Adsorbability and Moisture Retentivity of Carboxymethyl Chitin
羧甲壳多糖的制备及其吸湿、保湿性能
6.The Design and Implementation of an Instantaneous Retentivity CAT System
医用瞬时记忆力测试系统的设计与应用
7.standard test method for water retentivity of grout mixtures for preplaced - aggregate concrete in the laboratory
在实验室内进行预置集料混凝土灌浆混合料保水性试验的标准试验方法
8.Methods of test for mortar for masonry - Part 8: Determination of water retentivity of fresh mortar
圬工用灰浆试验方法第8部分：新鲜灰浆水保持性的测定