峡部

The sensitivity and specificity of differential pacing in predicting isthmus conduction were 100% and 88.9% respectively.

差异性起搏对预测峡部完全阻滞的灵敏度达100%，特异度达88.9%。

The anomaly change of ICa,L may be the important mechanism of arrhythmia that atrial isthmus involved in.

L型钙电流的异常变化可能是心房峡部参与心律失常发生机制的重要因素。

At the preoperative planning stage one must make a decision on the amount of bone available above the isthmus.

在术前计划阶段，医生应当对股骨峡部以上可得到的骨量进行判断。

Sagittal reconstruction can completely display the isthmus of vertebral arch and the features of spondylolysis in detail.

矢状位重建可清晰的显示椎弓和椎弓峡部裂的形态特征。

Methods All 96 patients with nodule were operated by resection of only thyroid leave and its isthmus.

方法总结96例甲状腺结节患者行一侧腺叶加峡部切除所采取的术式。

Any root that contains two root canals has the potential to contain an isthmus .

任何含有两个根管的单个牙根内均有可能存在根管峡部。

A mechanical model of the lumbar motion segment was constructed with three-dimensional finite element method to analyse the status of the stress distributionin the neural arch.

本文采用三维有限元方法建立了腰椎活动节段的力学模型，着重分析椎弓峡部的应力分布情况。

In addition, it is technically difficult to adequately occlude the canal below the leel of the isthmus, and the result may be an inadequate column of cement around the stem and beyond the tip.

另外，要充分填塞峡部水平以下的髓腔在技术上仍有一定的困难，其结果可能是柄周围及柄尖端以远的骨水泥填入量不足。

Objective: To investigate the root canal configuration and the incidence and location of the isthmus in extracted maxillary second premolar with single root.

目的：研究离体单根的上颌第二前磨牙根尖1—6mm处根管形态及根管峡部的发生率和位置的情况。

Objective:The purpose was to assess the incidence of inferior-vena caval/tricuspid valve isthmus dependent atrial flutter and the effectiveness and safety of catheter ablation tollowing heart disease surgery.

目的：报道先天性心脏病术后下腔静脉口-三尖瓣环峡部依赖性心房扑动的相对发生率及导管消融的疗效和安全性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。