拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。Sightseers may be a little overwhelmed by the crowds and noise.他们听见酒瓶摔碎的声音,然后是一阵更喧闹的笑声。They heard a bottle being smashed, then more raucous laughter.他如此大声喧闹,我怕他打扰了邻居。He makes such a racket I...
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...