The perfluorinated ion exchange resin provided by the invention can simultaneously satisfy the requirements of mechanical strength and ion exchangevolume and has favourable thermostability.
本发明提供的全氟离子交换膜能够同时满足机械强度和离子交换容量的需求并且热稳定性好。
2
This considerable volume of intercommunity exchange brought a degree of social complexity in its wake.
这种数量可观的相互交易随后给社会造成了一定的复杂性。
3
Advancing stocks narrowly outpaced those that fell on the New York stock Exchange where volume came to 62.2 million shares.