The drop in travel is bad news for the airline industry.旅游热降温对航空业来说是个坏消息。He was prepared to take a drop in wages.他已做好心理准备接受降薪。Why not drop in for a chat?为什么不过来聊聊天呢?...
通过静态吸附实验测试了偕胺肟基纤维的静态吸金性能.Through static adsorption tested the Au 3 + adsorption behaviour of amidoxime fiber.以交联聚苯乙烯 - 聚丙烯腈树脂为骨架, 经功能基化反应制备出含偕胺肟基团的互贯型螯合树脂.Based on the crosslinked polystyrene - polyacrylonitrile IPN matr...