逍遥学能 2018-11-28 11:23
20. This paper studied the relations between the middle ear pressure, the opening duration of eustachian tube, and the duration of nasopharyngeal pressure phase during Toynbee maneuver by sonotubometry, tympanometry and nasopharynx manometry. The mucociliary clearance of ET in Toynbee maneuver was also studied by Saccharin method.
采用声管测定法、声阻抗测定法和鼻咽压力测定法,研究在Toynbee试验时中耳压力、咽鼓管开放时程和鼻咽压力时程三者间的关系;同时,测定鼻腔填塞前后鼓室压力的变化,并用糖精法测定鼓膜穿孔者于鼻腔填塞前后的粘膜纤毛运动情况。
1. (尤指减肥时代替食糖使用的)糖精
Saccharin is a very sweet chemical substance that some people use instead of sugar, especially when they are trying to lose weight.
1.
1. The chemical cocktail mentioned earlier would not have been palatable without sodium saccharin, the controversial artificial sweetener linked to numerous kinds of cancer.
noun
1.
1. a crystalline substance 500 times sweeter than sugar
used as a calorie-free sweetener