In this paper, the problem of limit cycle for a cubic system is studied.

This paper reports surgical treatment of 4 cases of aneurysm of ascending aorta with aortic insufficiency by Bentall operation.

报告Bentall手术治疗升主动脉瘤伴主动脉瓣关闭不全4例。

Hypoplastic ascending aorta ( 4 cases);

升主动脉发育不良（4例）；

A Study of the Relationship between Hemorheology of Pregnancy induced Hypertension and the Blood Flow Velocity of the Fetal Ascending Aorta

妊高征血液流变学与胎儿升主动脉平均血流速度相关性研究

A long catheter was inserted to the ascending aorta from femoral artery under X ray;

在透视下经股动脉将长导丝送至升主动脉；

Reduction aortoplasty for dilatation of the ascending aorta in patients with aortic valve disease

主动脉成形术治疗主动脉瓣病变伴升主动脉扩张的疗效分析

Peri-operative Stage Nursing Care of Patients With the Rupture of Dissecting Aneurysm of Ascending Aorta

升主动脉夹层瘤破裂病人围手术期的护理

The mean velocity ( Vm) of the fetal ascending aorta were measured by color Doppler.

用彩色多普勒计测胎儿升主动脉平均血流速度（Vm）。

Conclusion The ischemic and hypoxia injury of myocardial exists during the clamping of ascending aorta.

结论主动脉阻断期间心肌有一定程度的缺血缺氧性损伤和酸中毒；

Coronary Bypass under PCB without Blocking Ascending Aorta

不阻断升主动脉冠状动脉搭桥术的体外循环

Experimental Study about Morphology and Expression of Matrix Metalloproteinases of Aneurysm Induced by Ascending Aorta Banding

升主动脉缩窄鼠动脉瘤的形态学与基质金属蛋白酶表达水平实验研究

Value of imaging ascending aorta by epicardial ultrasound during operation of coronary artery bypass grafting

升主动脉心外膜超声成像在冠状动脉旁路移植术中的价值

Embryological Mechanism and Pathological Type of Anomalous Origin of Pulmonary Artery from Ascending Aorta

肺动脉异常起源于升主动脉的病理分型及胚胎发生机制探讨

Age-related changes in the geometrical morphology and microstructure of the pig ascending aorta

猪升主动脉几何形态与显微结构的增龄性变化

Echocardiographic diagnosis of anomalous origin of left or right pulmonary artery from the ascending aorta

左或右肺动脉异常起源于升主动脉的超声心动图诊断

Objective Cutaneous microcirculation was measured in heart failure rat model induced by ascending aorta banding.

目的观察升主动脉缩窄大鼠心衰模型的皮肤微循环。

Type A1 ( No pathological change type): 212 patients underwent ascending aorta replacements;

A1型（主动脉窦部正常型）212例，行保留主动脉窦部的主动脉替换；

Constructing a stress relaxation curve of the ascending aorta in a rat model of atherosclerosis

构建动脉粥样硬化模型大鼠升主动脉的应力松弛曲线

The method of making whole infant body artery cast specimen by ascending aorta cannulation

升主动脉插管法制作婴幼儿全身动脉铸型

Surgical management of dilatation of the ascending aorta in patients with aortic valve diseases

主动脉瓣病变伴升主动脉扩张的外科治疗

Coronary artery bypass graft for patients with ascending aorta atherosclerosis

升主动脉粥样硬化患者的冠状动脉旁路移植