Rain is slightly acidic even in unpolluted air, because carbon dioxide in the atmosphere and other natural acid-forming gases dissolve in the water. 就算空气没有被污染,雨水也是呈弱酸性的,因为大气中的二氧化碳和其他酸性的气体会溶解在(雨)水中。
Isolation of the Lactic Acid-Forming Bacteria from the Luoyang Yoghurt and the Analysis of the Ratio to Bacillus and Coccus 洛阳市地方酸奶中乳酸菌的分离及其杆球比分析
Corrosion inhibitors reduce the formation of harmful acids by attacking the acid-forming ingredients. 缓蚀剂减少形成有害物的攻击酸形成的成分。
Study on the Method of Screening and Isolating Lactic Acid-forming Bacteria in Yoghurt 酸乳制品中乳酸菌分离筛选方法研究
The acid-forming performance of novel sulfonium salts and s-triazinyl derivatives were evaluated by the method ascertained in our laboratory. 利用研究室确定的测定产酸效率的方法对新型硫鎓盐和三嗪类光生酸剂的产酸性能进行了基本评价。