查询词典 carotid

Numerically evaluate the value of the largest Lyapunov exponent on diagnosing the various stenosis degrees of internal carotid arteries in white rabbits and in order to diagnose the angiostenosis with transcranial Doppler ultrasound.

探讨了血流信号的最大Lyapunov指数在诊断白兔颈内动脉不同程度狭窄中的价值，以期达到利用经颅多普勒超声量化诊断血管狭窄的目的。

Objective Carotid artery stenosis is relative factor of anoxic stroke and brain infarct.

目的颈动脉狭窄是缺血性脑卒中和脑梗死的相关因素。

Objective: To observe the effect of Tianmagouteng decoction on antioxygen and carotid artery atherosclerosis in hypertensive patients with hyperactivity of liver.

目的：探讨天麻钩藤饮对肝阳上亢型高血压患者抗氧化活性以及颈动脉硬化的影响。

In clinical and experimental studies, it has been found that cerebral ischemia and cerebral infarction were easy induced by hypotension in elder, hypertensive cerebral arteriolosclerosis, and stenosis or occlusion in carotid artery or in major cerbral arteries, butnow the effect machanisms still remain unclear.

从临床研究和动物实验也发现，在年老、高血压脑动脉硬化和颈动脉或大的脑动脉狭窄或闭塞时，低血压易诱发脑缺血和脑梗塞，但是目前其作用机制还未完全阐明。

Objective To investigate the pathophysiologic mechanisms of transplant arteriopathy in a rat carotid transplant model.

目的 以大鼠颈总动脉移植为模型探讨移植物动脉血管病的病理生理机制。

Compared with DSA, appreciate accuracy of 64-slice CTA in diagnosis of cerebral and carotid arterious stenosis.

目的 以DSA结果为对照标准，评价64层螺旋头颈血管CTA判断不同程度狭窄的准确性。

Objective Compared with DSA results, evaluation of the accuracy of the carotid arterious stenosal degree with 64-slice spiral CTA.

目的 以DSA结果为对照标准，评价64层螺旋头颈血管CTA判断不同程度狭窄的准确性。

Abstract］ Objective Compared with DSA results, evaluation of the accuracy of the carotid arterious stenosal degree with ####-slice spiral CTA.

目的 以DSA结果为对照标准，评价####层螺旋头颈血管CTA判断不同程度狭窄的准确性。

Sensitivity of 64-slice CTA in diagnosis carotid and vertebral arterious stenosis is respectively 97.70%、93.75%, specialty is respectively 99.51%、99.57%.

CTA显示不同程度狭窄的血管段共115段； DSA显示不同程度狭窄的血管段共108段。64层CTA对颈、椎动脉狭窄总的诊断敏感度分别为97.70%、93.75%，特异度分别为99.51%、99.57%。

Sensitivity of ####-slice CTA in diagnosis carotid and vertebral arterious stenosis is respectively 97.70％、93.75％, specialty is respectively 99.51％、99.57％.

层CTA对颈、椎动脉狭窄总的诊断敏感度分别为97.70％、93.75％，特异度分别为99.51％、99.57％。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。