The results showed that content of Nitrofural in the solution changed during the course of circulating steam sterilization ( 100 ℃, 30min) and the storage course. 考察流通蒸汽灭菌(100℃30分钟)前后及储存过程中呋喃西林溶液含量的变化。灭菌后,呋喃西林含量下降。
Liquid-liquid circulating fluidized bed, which can be used as a novel method of dynamic ice forming, was studied using direct contact heat transfer between droplets and the coolant for ice storage system. 采用水与另一种非相溶载冷流体直接接触换热结冰的液液循环流化床是一种新型动态制取流体冰方法。
The feasibility of variable frequency regulating speed for chilled water circulating pump and refrigerating medium ( ethylene glycol solution) circulating pump in ice thermal storage air conditioning system is analyzed, and the effect of energy saving is discussed with an example. 分析了冰蓄冷空调系统中冷水循环泵和载冷剂(乙烯乙二醇溶液)循环泵采用变频调速的可行性,结合实例讨论了节能效果。
A discussion is made on the two factors including the cooling load distribution in transition season as well as the selection of refrigerating medium circulating pump that effet on the economy of ice thermal storage air conditioning system, and the operation mode of variable frequency regulating speed. 对影响冰蓄冷空调系统经济性的两个因素&过渡季的冷负荷分布及载冷剂循环泵的选取及变频调速运行方式进行了探讨。