The clinical observation of coronary flow irrigation in patients with aortic valve insufficiency

Analysis of arterial pulse pressure wave in elderly patients with aortic valve calcification

22例老年性主动脉瓣钙化的动脉压力波分析

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Observations on normal aortic valve and its neighbouring structures in Chinese

国人正常主动脉瓣及其毗邻结构的观察

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The application of continuous suture in 275 patients with aortic valve replacement

275例主动脉瓣置换术应用连续缝合法的临床观察

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Primary study on tissue engineering porcine aortic valve preparation

猪主动脉组织工程瓣膜制备的初步研究

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Analysis 7 Patients With Aortic Valve Incompetence Induced Acute Myocardial Infarction

主动脉瓣关闭不全致急性心肌梗死七例分析

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Comparison of Mechanical Properties between Human Aortic Valve and Pulmonary Arterial Valve

主动脉瓣、肺动脉瓣力学性能比较

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A new model for heterotopic aortic valve transplantation in the rat

一种新的大鼠同种主动脉瓣异位移植模型

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Study of the Relationship between Aortic Valve Degeneration and Coronary Artery Disease

主动脉瓣退行性变与冠心病的相关性研究

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Objective To analyse the closing mechanism of ideal aortic valve model.

目的分析理想状态下主动脉瓣关闭机制。

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Clinical analysis of 168 cases of aortic valve replacement

主动脉瓣人工瓣膜置换术168例临床体会

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Clinical Analysis of Aortic Valve Replacement in 105 Cases

主动脉瓣置换术105例临床分析

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Stress field analysis of aortic valve under physiological condition

生理状态下动脉瓣应力场分析

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Analysis of the closing mechanism of ideal aortic valve model

理想主动脉瓣模型闭合机制的研究

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Software also lacks a well defined atomic unit of work& even though we can apply various measures, such as lines-of-code, number of classes, number of function points, number of bugs, etc.

即便我们可以采用不同的测量方式，例如代码行数、类的数量、函数指针的数量、系统漏洞的数量，等等，软件还是缺乏一种定义良好的原子结构。

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At present, some bridges appear aging, damage and crack for some reasons, such as design, construction, management, natural disasters and so on.

由于设计、施工、管理、环境腐蚀、自然灾害等原因，目前已有不少桥梁发生老化、破损、裂缝等现象。

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Influence of Aging Temperature on Crack Growth Mechanisms of Al-Li Alloys in Semi-quantity Method

时效温度对铝锂合金裂纹扩展方式影响的半定量研究

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On the Tendency to Aging Crack in Monel Alloy K-500

Monel K－500合金的时效开裂倾向

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Modern financial theory attempts to surmount the problem of an unknowable future by suggesting that returns can be predicted by measuring the past volatility of share prices& shares that exhibit higher volatility are expected to yield greater returns.

现代金融理论试图解决未来不可预测的问题。按照现代金融理论，投资收益可以通过对股价以往的波动幅度来预测，也就是说，股价波动较大的股票可望带来较大的回报。

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The most important considerations are health, kind of animal ( calf, steer, or heifer or cow), expected meat yield, and care of the animal prior to slaughter.

最重要的几点是牛的健康状况，牛的种类，期望得到的牛肉量和屠宰前对牛的处理。

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But there are more fundamental warning signs, such as the reported cash flow that a company's assets throw off, the expected dividend yield and the turnover of the company's assets.

但还有更为基本的预警信号，比如公司财报中资产产生的现金流、预计股息收益以及资产周转率。

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