为测定荔枝核中的游离氨基酸，采用ICS - 2500离子色谱分析仪，分别测定了荔枝核提取液与732阳离子交换树脂洗脱液中的氨基酸的组成和含量。
Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 ion chromatograph.
换热器吸取当代国际先进技术，经独特的优化设计制造的液—液、汽—水热交换器。
By absorbing international modern and advanced technology and with unique and optimized design, the liquid-liquid, vapor-water heat exchanger is manufactured.
换热器(热交换器)：用于冷却供给泵的工作液，在工作液循环使用的过程中，必须具备。
Exchanger (heat exchanger) : it is applicable to cool the treatment fluid used to feed pump, it has to be used in the duty-cycle operation of treatment fluid.
应用推荐