我挤出人群，踏上了自动扶梯。I pushed through the crowds and on to the escalator.两名男子突然用肘在购物者中挤出一条路。Two men suddenly elbowed a passage through the shoppers.那个人从人群中硬挤出一条路。The man pushed his way authoritatively through the crowd....
半抗原的合成是小分子免疫分析技术的关键.The synthesis of haptens was the key of small molecule immune assay.半抗原和牛血清白蛋白及卵清蛋白的结合比分别是21:1和11:1.Ratios of hapten intergraded with BSA and OVA were 21:1 and 11:1, respectively.目的合成邻苯二甲酸二环己酯半抗原衍生物和合...