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- Methods Activin A levels in serum were detected by RIA and follistatin levels in serum were detected by ELISA. 方法采用放射免疫测定(RIA)检测健康成年人及患者外周血激活素A水平，酶联免疫吸附试验(ELISA)检测健康成年人及患者外周血卵泡休止素水平。
- Objective To asress evaluate the possibility of serum activin A as a clinical marker for liver cirrhosis. 目的探讨血清激活素A作为肝硬化临床参考指标的可能性。
- In recent years, growing evidence implicates activin A in the pathogenesis of atherosclerosis. 近年来的研究发现它在动脉粥样硬化的发生发展过程中起作用。
- Objective To investigate the relationship between activin A and follistatin in serum from normal adults and the change of activin A and follistatin in diseased conditions. 摘要目的探讨健康成年人外周血激活素A与卵泡休止素的关系及其在疾病状态下的变化。
- In early and mid pregnancy, maternal serum activin A levels are stable and low, rising dramatically from approximately 24 weeks of gestation, reaching peak levels proximate to term. 在妊娠早期和中期，孕妇循环中激活素A稳定于较低水平，大约从妊娠24周开始迅速升高，大约在妊娠足月时达高峰。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- Conclusion The change of follistatin and activin A levels in human serum have a positive correlation, both of the increase of activin A and follistatin have relationship with age the state of disease. 结论人外周血激活素A与卵泡休止素水平变化成正相关，卵泡休止素与激活素A水平升高与机体年龄及疾病状态有关。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
