然后通過(guò)大量實(shí)驗(yàn)篩選出兩種有效添加劑環(huán)丁砜和六次甲基四胺.Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.鹽酸雷尼替丁與7, 7, 8, 8-四氰基對(duì)二次甲基苯醌荷移反應(yīng)的研究.Study on the Charge - Transfer Reaction of Raniti...