A series of fluorinated phosphatidylcholine polyurethane macromolecular additives were synthesized by solution polymeriz......

用伴刀豆凝集素(ConA)-辣根过氧化物酶(HRP)定位技术观察乌拉坦经胎盘对胚胎鼠及新生鼠肝细胞ConA受体分布变化的影响。结果显示:(......

以乌拉坦１次腹腔注射（５００ｍｇ／ｋｇ）和雌激素每周１次肌肉注射（５０ｍｇ／ｋｇ）诱发小鼠肺肿瘤。以０．０２％及０．２％的茶多酚溶液供小鼠饮用以研究茶多酚对肺肿瘤的抑制作用。１８周后作......

本文对小白鼠研究结果表明己烯雌酚单独作用（肌肉注射５ｍｇ／ｋｇ及５０ｍｇ／ｋｇ）无诱发肺肿瘤作用，当与乌拉坦（腹腔注射５００ｍｇ／ｋｇ）联合作用时，肿瘤出现率、平均肿瘤数、发......

乌拉坦一次腹腔注射染毒设５０、１５０、４５０和１３５０ｍｇ／ｋｇ４组，小剂量多次染毒设５０ｍｇ／ｋｇ×９和１５０ｍｇ／ｋ×９ ２组，设生理盐水溶剂对照组，进行小鼠肺肿瘤短期试验研究。染毒后......

目的氨基甲酸乙酯与利多卡因联合应用以降低实验兔的麻醉意外.方法先用25%氨基甲酸乙酯1g/kg剂量静脉全麻,术野用2%盐酸利多卡因局......

The urethane acrylate(UA) was made of poly(tetramethylenc oxide), 4,4’-diphenylmethane diisocyanate, and 2-hydroxyethyl......