Aimed at the leaking and tube blasting of melt salt cooler,analyzes various reasons for the corrosion,and presents relative countermeasures,obtaining good results.
针对熔盐冷却器发生泄漏及产生爆管的现象,分析可导致腐蚀的各种原因,并提出了相应的对策措施,取得了良好效果。
The methods of alkali salt freezing precipitation and urea entraping are used to concentrate and to purify polyunsaturated fatty acid of DHA and EPA.
研究了以碱金属盐冷冻沉淀法和尿素包埋法纯化鱼油多烯脂肪酸DHA和EPA的工艺条件,认为钾盐冷冻沉淀法具有操作简单,产品收率高的优点,而尿素包埋法则具有显著的富集效果,产品的DHA和EPA含量最高可达63。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号