| 释义 |
nano2
基本例句
亚硝酸钠
Modified dicyanodiamide-formaldehyde,a flocculating-decolorizing agent was synthesized by using dicyanodia-midef,ormaldehydeand nitrous acid natriumcatalyzer.以双氰胺和甲醛为主原料,以亚硝酸钠为催化剂,在一定条件下制备改性双氰胺甲醛脱色絮凝剂后不经分离直接处理溴氨酸水溶液。
Parent strain Lactobacillus delbruckii 1-1 which accumulated 5.8% of calcium lactate was mutated by UV-ray, DES and NaNO2, and high lactic acid-producing mutant ZL-513 which accumulated 9.4% of calcium lactate was isolated.以分离到的一株德氏乳杆菌Lactobacillus delbruckii 1－1为出发菌株，经紫外线、硫酸二乙酯、亚硝酸钠等诱变剂处理，筛选出一株产乳酸较高的突变株ZL－513，乳酸钙产量由5.;8%提高至9 |