Austenitic stainless steel flanges on aqueous duties .
用于含水用途的奥氏体不锈钢法兰。
Aqueous enzymatic extraction of sunflower oil .
水酶法提取葵花籽油的研究。
Its aqueous solution was neutral to litmus .
其水溶液对石蕊呈中性。
Standard guide for using aqueous foams to control the vapor hazard from immiscible volatile liquids .
用含水泡沫控制不溶挥发性液体产生的蒸气危害的标准指南。
Because of its strong economic competition in economy and better foreground of practical application , the development and application of aqueous organo-metallic reactions in organic synthesis have certain important theoretic significance .