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- Physostigmine potentiated both PDS and the negative chronotropic effect, however, atropine could not abolish PDS. 毒扁豆碱可加强驱动后阻抑及驱动后的负性变速效应，阿托品不能完全阻断驱动后阻抑。
- Within certain limits, the degree of postoverdrive suppression (PDS) and negative chronotropic effect was proportional to the frequency and duration of the driving stimulus. 结果表明，在一定范围内右房超速驱动后阻抑及驱动后的负性变速效应，随驱动频率和驱动时程增加而加强。
- negative chronotropic effect 负变时性效应, 负性频率作用, 负性变时作用
- CONCLUSION CA produces hypotensive effect in anesthetized rats, which is related to its negative inotropic and chronotropic effects on the heart and the relaxating effect in blood vessels. 结论桂皮醛对麻醉大鼠具有显著的降血压作用，此作用可能与桂皮醛对心肌的负性变时、变力效应和舒张血管作用有关。
- positive sinoatrial chronotropic effect 正性窦房性心率作用
- These findings suggest that ISP may decrease the content of SS in rat cardiac ganglia, and its positive inotropic and chronotropic effects on the heart can be achieved by decreasing the content of SS. 结果说明异丙肾上腺素可降低心内神经节中SS含量，提示，异丙肾上腺素的正性变时和变力作用可能通过降低SS的含量来实现。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- Punishment had very little effect on him. 惩罚对他没有什么效果。
- It's certain that every effect must have a cause. 无疑，每个结果必定有其原因。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- That measure will be carried into effect very soon. 这项措施将在最近付诸实施。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- My plan has not been carried out with effect. 我的计划未被有效地执行。
- Their criticism was not negative. 他们的批评并不是负面的。
- The room shows off her paintings to good effect. 这个房间把她绘画的优点充分显示出来。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- Keywords Coronary artery disease;Coronary Angiography;Exercise tests;Chronotropic effect; 冠心病;冠状动脉造影;运动试验;变时功能;
- Her words had a soothing effect. 她的话起了安慰的作用。
- negative chronotropic property 负性频率性质, 负性心率作用
- It's the music to heighten the dramatic effect. 那是用于提高戏剧效果的配乐。
