Cation - anion exchange resin can crack and disassemble bond - chromatography , doff the bond - large - molecule and dissociate paclitaxel.阴阳 混合离子交换树脂可以使键合态紫杉醇发生裂解, 脱去键合的大分子物质,游离出紫杉醇....
When he faced lifes inhere finity, he has his special passion and special spirit.在面对生存固有的有限性时, 鲁迅以他特有的热情和精神拒绝了平庸.He returned to Britain so that he could indulge his passion for football...他重返英国，为的是可以尽情释放自己对足球的激情。Her pass...