查询词典 stenosis

Introduction: Aortic stenosis is the most common valvular heart disease in westernised societies.

背景：动脉瓣狭窄是西欧国家常见的瓣膜性心脏疾病。

AC is the most common cause of aortic stenosis in the West, and it is considered a degeneratie condition.

在西方国俭，AC是最常见的导致主动脉瓣狭窄的原因，被认为是一种退行性疾病。

Objective To investigate the expression of melusin/Akt signal pathway in aortic valve stenosis patients.

目的 研究melusin/Akt基因信号途径在主动脉瓣狭窄患者中的表达。

However, aortic stenosis is still quite common on the wards of our hospitals.

但是，主动脉狭窄在我们医院的病房中仍然很常见。

Activity may be limited in children who have moderate aortic stenosis prior to repair.

中等程度的主动脉狭窄的患儿在手术前可能要限制活动。

We know from other studies that aortic stenosis even aortic sclerosis is a risk marker for cardiovascular disease.

我们从其它研究知道，主动脉瓣狭窄，甚至主动脉硬化，都是心血管疾病的风险指标。

Congenital aortic stenosis occurs due to improper development of the aortic valve in the first 8 weeks of fetal growth.

主动脉狭窄的发生是由于在胎儿生长发育的前8周里主动脉瓣的不正常的发育。

If this happens, a second balloon procedure or operation may be necessary to repair aortic stenosis.

如果发生了，再次球囊导管介入或手术对于修复主动脉狭窄可能是必要的。

In conclusion, aortic stenosis is a serious, relatively common condition in elderly Americans.

总的来说，在美国老年人中主动脉瓣狭窄是一种严重的、相对常见的疾病，多为弥漫性粥样硬化疾病的最终表现。

Aortic stenosis may be present in varying degrees, classified according to how much obstruction to blood flow is present.

主动脉狭窄可以有不同的严重程度，分级依据血流受到阻碍的严重程度。

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。