结果酸碱直接滴定法测得的结果比亚硝酸钠法、紫外分光光度法测得的结果偏高，但无统计学差异（P〉0.05）。
The content determined by acid-base titration was higher than those by UV spectrum and sodium nitrite, but they didn't have statistical significance(P0.05).
通过单因素试验和优选试验法，得出蛋黄粉和亚硝酸钠的最佳配比。
The optimum recipe of yolk powder and sodium nitrite was determined by single factor trial and preference method.
采用冷胰酶消化法分离培养大鼠睾丸支持细胞，采用单细胞凝胶电泳法检测亚硝酸钠对大鼠睾丸支持细胞dna的损伤作用。
Method: The effects of sodium fluoride on DNA damage and repair in isolated male mice testicular cells were observed with single cell gel electrophoresis test (Comet assay).
应用推荐