... back current brake 反向电流电刹车 back current step 逆流级 back curtain 挡风板 ...
基于30个网页-相关网页
逆流级联 [分化] countercurrent cascade ; cascade countercurrent
逆流分级机 counter-current classifier ; current classifier
多级逆流萃取 Multistage counter-current
非对称逆流型级联 asymmetrical counter current cascade
对称逆流型级联 symmetrical counter current cascade
逆流串级 counter current cascade
逆流式分级机 LHU
多级逆流提取 multistage countercurrent extraction
研究动机：胃食道皮瓣可区分为四级。而这种分类系统，可以预测胃食道逆流疾病的发生率。
Objectives: Gastroesophageal flap valve can be divided into a four-grade system and this system can well predict the prevalence of gastroesophageal reflux disease.
净化淀粉采用12-17组旋流器逆流洗涤工艺除去蛋白质和轻杂物，使淀粉标准达到GB2-92一级国家标准。
The starch is purified to Grade I of GB2-92 National Standard by 12~17 groups of vortex machines with reversal flow cleaning process for removal of the protein and impurities.
多级逆流或错流萃取的萃取率明显高于单级萃取。
Both the extraction ratios of countercurrent multi-stage extraction and cross current multi-stage extraction were higher than single-stage extraction.
应用推荐