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.
阴离子交换膜在金电解造液过程中的技术指标，其优于素烧坩埚金电解造液技术指标。
The indexes were compared with those ones in gold electrolyte preparation with bisque firing crucible process.
阴离子交换膜在金电解造液过程中的技术指标，其优于素烧坩埚金电解造液技术指标。
The indexes were compared with those ones in gold electrolyte bisque firing crucible process.
本发明公开了一种在倾斜的矩形管道内进行双向对流自激液幕的气液交换方法和装置。
The invention discloses a gas-fluid exchange method and a device for carrying out bidirectional convection self-excitation liquid curtain in an inclined rectangular pipeline.
本发明公开了一种在倾斜的矩形管道内进行双向对流自激液幕的气液交换方法和装置。
The invention discloses a gas-fluid exchange method and a device for carrying out bidirectional convection self-excitation liquid curtain in an inclined rectangular pipeline.
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