...机体调节机制产生适应性变化等。多数药物的耐受性是逐渐产生的,但也有少数药物在短时间内,应用几次后很快产生耐受,称之为快速耐受性(tachyphylaxis),如麻黄碱静脉注射3~4次后,其升压作用即消失,服药2—3天后平喘作用即可消失。
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快速耐受性(acute tolerance):短期内反复用药数 快速耐受性 : 次后,药物效应递减,甚至消失。 次后,药物效应递减,甚至消失。
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电快速瞬变耐受性测试 EFT TEST
结论 藜芦碱在发挥显著降压作用的同时,未见明显的副作用,且反复给药无快速耐受性。
The obvious side effects are not found while cevadine reduces significant hypotensive effect and there is no rapid tolerance although the animals were administrated repeatly.
因此,SUB1A除了增强水稻对淹水胁迫的耐受性外,还提高了水稻在干旱缺水和解除涝害引发的快速脱水时的存活率。
Therefore, in addition to providing robust submergence tolerance, SUB1A improves survival of rapid dehydration following desubmergence and water deficit during drought.
飞轮也有较高的耐受性快速循环。
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