As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N,N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.

N，N—二苯基对5金属离子的萃取能力强于N—正丁基。

The paper studied the technology of active cactobacillus beverage production,including selection of Lactobacillus,stabilizer and acidy additive.

研究了活性乳饮料的生产工艺,对、定剂和味剂进行了筛选,确定了工业化可行的生产工艺。