But while stomach acid is a factor, Dr. Koufman says, the real culprit for many patients is pepsin, a digestive enzyme that can exist in the esophagus.
但考夫曼博士指出，胃酸只是其中的一个因素，胃蛋白酶才是很多患者的症结所在，这是可以存在于食道的一种消化酶。
Objective to study the interaction of renin-angiotensin system (RAS) and atrial natriuretic factor (ANF) under acute angiotensin converting enzyme inhibitors (ACEI) in chronic renal failure (CRF).
目的了解慢性肾衰(CRF)患者应用转换酶抑制剂(acei)后血浆心钠素(ANF)和肾素-血管紧张素系统(RAS)激素的相互影响。
The best conditions of papain enzyme hydrolysis and spray drying were found by single factor test and orthogonal test.
通过单因素实验和正交实验法，探寻木瓜蛋白酶酶解和喷雾干燥的最佳条件。
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