本文研究了影响益母草真空膜蒸馏过程的基本影响因素，并分析了浓差极化和温差极化问题。
The vacuum membrane distillation for motherwort extract is tested and the temperature polarization and concentration polarization are analyzed.
采用PVDF中空纤维膜及PTFE微孔平板膜组件对反渗透海水淡化浓盐水的真空膜蒸馏过程进行了研究。
PVDF hollow fiber membrane module and PTFE flat membrane module were compared in the vacuum membrane distillation processes for brine from SWRO desalination process.
详细考察了真空膜蒸馏过程各种条件对膜蒸馏性能的影响，优化了真空膜蒸馏的操作参数。
The effects of operation conditions in vacuum membrane distillation on water flux and salt rejection are investigated in detail.
研究了枇杷叶提取液真空膜蒸馏过程的影响因素，并分析了浓差极化问题。
The vacuum membrane distillation for loquat leaf extract was tested and the concentration polarization was analyzed.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.
介绍了用氟化钪钙热还原得到的粗金属钪为原料，通过真空蒸馏净化制取纯金属钪的工艺过程及其技术参数。
The technics of purifying Sc metal in vacuum distilling with coarse Sc metal which is made by ScF3deoxidized by Ca at heated condition.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
Such as: vacuum distillation, evaporation, dehydration, crystal, drying in the process.
真空蒸馏是除去海绵钛中杂质的关键过程，合理选择真空机组对提高海绵钛的质量至关重要。
Vacuum distillation is the key process to remove foreign materials from titanium sponge. Rational choosing of assembling vacuum unit is of vital importance to improving the quality of titanium sponge.
真空蒸馏是除去海绵钛中杂质的关键过程，合理选择真空机组对提高海绵钛的质量至关重要。
Vacuum distillation is the key process to remove foreign materials from titanium sponge. Rational choosing of assembling vacuum unit is of vital importance to improving the quality of titanium sponge.
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