1998年7月,我们对海拔4627ｍ的五道梁地区136名健康人鼻粘液ｐＨ值进行了测定,报告如下。资料与方法1　受试对象　受检人数136名,男126人,女10人;年龄最大38岁,最小18岁,平均20岁。2　方法　ｐＨ值测定采用北京试纸厂广泛试纸ｐＨ1～14,将试纸剪成1.5ｃｍ×0.5ｃｍ细条,置于鼻? In July 1998, we measured the pH of nasal mucus in 136 healthy people in the Wudaoliang area of ​​4627m above sea level. The report is as follows. Materials and Methods 1 Subjects The number of subjects was 136, including 126 males and 10 females; the oldest was 38 years old, and the youngest was 18 years old, with an average of 20 years old. 2 Methods The pH value was measured using a wide strip of pH 1~14 from a Beijing test paper mill. The strips were cut into 1.5cm x 0.5cm strips and placed on the nose.