脉搏波由左心室间断射血产生,沿动脉壁从中央向外周传导,遇到阻抗不匹配处可以发生反射。
A pulse wave is produced by intermittent left ventricular ejection, propagates from the centre to the periphery along the arterial tree, and can be reflected at the points of impedance mismatch.
MLPK的瞬间表达可以使乳突细胞具有拒绝自花花粉的能力。这表明MLPK是芸薹属自交不亲和信号传导反应中的一个积极调节者。
Transient expression of MLPK restores the ability of papilla cells to reject self-pollen, suggesting that MLPK is a positive mediator of Brassica SI signaling.
伴胸导联ST段改变者严重室性心律失常与房室传导阻滞的发生率均较不伴胸导联ST段改变者高(P<0.05)。
Percent of occurring serious ventricular arrhythmia and auricular-ventricular block in patients with chest lead ST segment descent was large significantly (P<0.05).
瘢痕组织通过阻断紊乱的电传导而终止房颤,该紊乱的电传导会使心房不规律收缩。
The scar tissue stops atrial fibrillation by interfering with chaotic electrical signals that cause the atria to contract irregularly.
产品热传导缓慢,不烫手,边缘平滑、质地细腻、温润舒适并容易清洗。
Product heat conduction slow, not hot, edge smooth, delicate texture, warm and comfortable and easy to clean.
产品热传导缓慢,不烫手,边缘平滑、质地细腻、温润舒适并容易清洗。
Product heat conduction slow, not hot, edge smooth, delicate texture, warm and comfortable and easy to clean.
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