2018年10月29日，商务部发布2018年第81号公告，决定对原产于美国、沙特阿拉伯、马来西亚和泰国的进口乙醇胺征收反倾销税，反倾销税率分别为美国公司76.0%-97.1%，沙特阿拉伯公司10.1%-27.9%，马来西亚公司18.3%-20.3%，泰国公司37.6%，实施期限为自2018年10月30日起5年。

In this study a cationic hydrogel (quaternized dimethyl aminoethyl methacrylate, QDM) was reversibly bonded to bovine aorta and other tissues, with said tissues functioning as the anionic element.

Cells were collected by centrifugation and resuspended in Ni-NTA Bind Buffer containing 4-(2-aminoethyl)benzenesulfonylfluoride·HCl (AEBSF hydrochloride), benzamidine hydrochloride and Lysonase.