文档预览： procedures Pregnant and non-pregnant rats were anesthetized with urethane (25...Data analysis All data were expressed as mean±SD and intergroup and ... 点击下载

文档预览： 48 and 72 h for all concentrations Not in complianceRationale for the ... while the offspring of urethane treated dams had both lower survival rates ... 点击下载

文档预览： 多聚氨酯泡沫 Poly-Urethane Foam Agent 氯化锌 zinc chloride 98% min 氯化铵...硫磺sulphur dyes all colors 无水茶碱 Theophylline Anhydrous 磷酸钾 Mono ... 点击下载

文档预览： silane was much less toxic to mice than Urethane(carbon), and exhibited ... replacement for all carbon atoms and certain strict limitations apply.Double ... 点击下载