pdis

Objectives To assess the predictive value of P-wave dispersion ( Pdis ) to paroxysmal atrial fibrillation ( PAF ) on the surface electrocardiogram .

目的探讨体表心电图P波离散度（P-wavedispersion，Pdis）对阵发性心房颤动的预测价值。

Objective To assess the effect of amiodarone combined with valsartan on P wave dispersion ( Pdis ) and maximum P wave duration ( Pmax ) in patients with paroxysmal atrial fibrillation ( PAF ) .

目的评价胺碘酮与缬沙坦对阵发性心房颤动（PAF）患者P波离散度和最大P波时限（Pmax）的影响。

In this dissertation , we designed and synthesized a series of derivatives of perylene diimides ( PDIs ) and naphthalene diimides ( NDIs ) under the guidance of the organic chemistry knowledge and the design principle of organic semiconductors . 1 .

本论文以有机半导体的设计原则为指导以有机合成为基础，设计并合成了一系列苝酰亚胺和萘酰亚胺的衍生物，并对它们的光学和电化学性质进行了研究。