主动脉的

The most valuable role that CMR plays in patients with valvular heart disease is in determination of left and right ventricular function with a lesser role for precise identification of valve anatomy such as identification of bicuspid aortic valves, vegetations, etc.

CMR在瓣膜性心脏病患者中发挥的最有价值的作用就是测定左，右心室功能，较有价值的作用就是精确鉴定瓣膜的解剖，如二叶主动脉瓣、赘生物等。

Therefore, the purposes of this paper are on, firstly, the possible difference of secret of vasoactive substances from pulmonary artery and aortic artery endothelial cells; secondly, the regulatory effect of pulmonary microartery endothelial cella on the movement of pulmonary artery.

所以本文的研究目的为：1研究肺动脉内皮细胞和主动脉内皮细胞分泌血管活性物质的可能差异：2研究肺微动脉内皮细胞对肺动脉血管运动的调节作用；此外，基于我室以往对吸烟和肺血管反应性的研究。

The key of anesthetic treatment for coarctation of aorta in infants and children should be anesthetic selection, controlled hypotension, low temperature during operation and prevention of complications

小儿主动脉缩窄矫正手术麻醉的关键在于麻醉方式的选择、术中适当的控制性降压、降温和并发症的预防。

The degree of cyanosis is related to the presence of other defects that allow blood to mix, including a patent ductus arteriosus - a fetal connection between the aorta and the pulmonary artery present in the newborn, which usually closes in the first few days after birth.

紫绀的程度取决于伴随的可以使血液混合的其它心脏畸形，包括动脉导管未闭－新生儿存在的在胎儿期主动脉和肺动脉之间的连接，一般在生后头几天里闭合。

Should adopt the left decubitus, such supine increased uterus dextral correct, can reduce the uterus to the abdominal aorta and iliac artery of oppression, to improve blood circulation, increase blood volume for the fetus and is conducive to growth and development of the fetus .

宜采取左侧卧位，此种卧位可纠正增大子宫的右旋，能减轻子宫对腹主动脉和髂动脉的压迫，改善血液循环，增加对胎儿的供血量，有利于胎儿的生长发育。

Rat model of cryopreserved aortic and pulmonary valved homograft heterotopic transplantation was established to observe the changes of humoral and cellular immunological response and pathological changes of implanted homografts.

方 法 通过低温保存的大鼠同种异体带瓣主动脉和肺动脉异位移植的动物模型，观察同种移植后宿主体液和细胞免疫指标的变化，以及移植物的病理改变。

The one which gross me out was the ad with the over-sized human heart, where the fat was squeezed out of the aorta.

其中对总我出去，是广告与臃肿，人的心，那里的脂肪排挤的主动脉。

But there are still some uncertainties about this therapy. There is a close relation between aortic dissections and the pulsatile arterial flow within the aorta.

虽然腔内隔绝术的出现给主动脉夹层的外科治疗带来了革命性的变化，但依然存在诸多未定因素。

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。

Most children who have had an aortic stenosis surgical repair will live healthy lives.

绝大多数经过主动脉狭窄的外科修复的儿童将会过上健康的生活。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。