如果冠状系统是基本的，已经证明其R -旋转图至少包含2棵有向根树。
It is proved that the R-rotation graph of a elementary coronoid system is a multiple directed rooted tree containing at least 2 trees.
川崎病的特征为广泛的中小血管炎症，以心血管系统的损害最为严重，可形成冠状动脉扩张和冠状动脉瘤。
Kawasaki disease is featured by wide polyangitis, especially that of cardiovascular system is most severe, which can form coronary arteriectasis and coronary aneurysm.
所以DCT设计的送料系统使用“气刀”“冠状物”和真空吸盘来分离和吸取这些料片。
So DCT produces blank feeding systems that use "air knives," "rooster combs," and vacuum lifting to separate and lift the sheets.
结论平板探测器DSA系统在冠状动脉造影中的合理应用，能充分发挥它的优越性，保证图像质量的稳定和提高。
Conclusion the flat panel detector DSA system can fully develop own superiority through its proper application in coronary arteriography and assure the stability and optimization of image quality.
方法：采用BL 410生物机能实验系统检测犬心脏血流动力学，同时测定冠状动脉的血氧含量。
Methods: Cardic hemodynamics was detected by BL-410 biological function experiment systems, and blood oxygen content was measured at the same time.
方法以扎、松冠状动脉左前降支的方法制作25只犬缺血-再灌注室性心律失常模型，以针电极探查希氏-浦肯野系统（HPS）的电冲动。
Methods The electrical activity from the His-Purkinje system (HPS) was recorded by plunge electrodes along the anatomic course of HPS in 25 dogs.
研究表明心脏局部的肾素血管紧张素系统和冠状动脉内皮细胞功能失常在心肌再灌注损伤中起重要作用。
Studies have suggested a significant role of both the cardiac renin angiotensin system (RAS) and the function of endothelial cells of coronary vessels in myocardial reperfusion injury.
川崎病的特征为广泛的中小血管炎症，以心血管系统的损害最为严重，可形成冠状动脉扩张和冠状动脉瘤。
Kawasaki disease(KD) is featured by wide polyangitis, especially that of cardiovascular system is most severe, which can form coronary arteriectasis and coronary aneurysm.
AMI若冠状动脉内以血栓性或闭塞性病变为主，应积极联合使用远端球囊保护系统。
The distal balloon protection device can be used in the patients with AMI suffering from coronary arterial thrombosis or occlusion.
比较冠状动脉狭窄与冠状动脉正常者，其房室传导系统房室顺传及室房逆传的电生理特征。
To evaluate the electrophysiological characteristics of antrograde and retrograde atrioventricular node conduction in the patients with or without coronary artery stenosis.
目的通过对平板探测器DSA系统与传统DSA系统冠状动脉造影图像质量进行比较和分析，评价平板dsa系统成像质量和临床应用。
Objective to evaluate the imaging quality and utility of flat panel detector DSA through comparing and analysing the image of coronary arteriography in traditional DSA and flat panel DSA.
利用PC机和图像、信号采集设备，建立冠状动脉血管阻抗的估计系统。
PC-based system with video and signal acquisition boards is constructed to estimate coronary artery impedance.
由于双平面X射线造影系统只能提供两幅有限的投影数据，冠状动脉树的三维重建在匹配、优化几何变换矩阵等方面存在困难。
The purpose of this study is to provide a 3D reconstruction of the skeleton of the coronary artery tree from two X-ray angiograms acquired on a biplane angiographic system.
该导管系统通过将一系列敏感的温度探头整合在导管系统的末端，从而获得冠状动脉内部的热成像图谱。
The catheter system provides a thermal imaging map of the interior of coronary arteries by incorporating a series of sensitive temperature sensors into the distal end of the catheter system.
发生在心血管系统者，多发生在感染后10 ~20年，可表现为主动脉炎、主动脉瓣关闭不全、主动脉瘤、冠状动脉口狭窄或阻塞、心肌炎等。
In the cardiovascular system, the infection occurred after 10 ~ 20, the performance of the aortic - yim, aortic insufficiency, aortic aneurysms, coronary stenosis or obstruction, such as myocarditis.
2003年，全世界多个国家和地区暴发了重症急性呼吸系统综合征，这也使冠状病毒的研究成为病毒学领域中最为关注的问题。
Since the outbreak of severe acute respiratory syndrome in several regions of the world in2003, the research on coronaviruses has become the focus of virology.
2003年，全世界多个国家和地区暴发了重症急性呼吸系统综合征，这也使冠状病毒的研究成为病毒学领域中最为关注的问题。
Since the outbreak of severe acute respiratory syndrome in several regions of the world in2003, the research on coronaviruses has become the focus of virology.
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