countercurrent
英
美
n. 逆流；逆电流
adv. 相反地
英英释义
noun
- actions counter to the main group activity
- political crosscurrents disrupted the conference
- a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
双语例句
- Study on Pretreatment of Pharmaceutical Waste Water Using Technology of Azeotropic Distillation and Countercurrent Evaporation The hot air condensed the steam.
共沸蒸馏-二效逆流蒸发工艺预处理化学合成制药废水水蒸气凝结成了水珠。 - Main characteristics, structure features, operating principle and computing formulas of major parts of the self-developed full countercurrent mixed-settler are introduced.
介绍了自行研制的全逆流混合澄清器的主要特点、结构特征、工作原理和主要部件的计算公式。 - Recent research progresses on high-speed countercurrent chromatography ( HSCCC) were reviewed.
综述近几年来高效逆流色谱（HSCCC）的研究进展。 - The utility model is a solvent heating countercurrent extractor which is used for the extraction of the heat sensitivity natural products.
本实用新型是一种溶剂热逆流萃取器，用于萃取热敏性天然产物。 - Mean temperature difference for countercurrent flow and cocurrent flow in steady continuous heat transfer has been deduced uniformly.
采用统一的方法对定态传热逆流和并流的平均温差进行了推导。热是由于温度差造成的能量传递。 - Study on Separation and Purification of Kelp Polysaccharide by Using Countercurrent Chromatography and Ultrafiltration Grade Separation Method
逆流色谱和超滤分级法分离海带多糖的研究 - The influences of column diameter and height on the countercurrent flotation process were discussed, and the new concepts of choked air bubbles and area load were put forward.
论述了柱径与柱高对逆流浮选柱浮选过程的影响，提出了气阻、面积负荷的概念。 - Purification of EGCG Monomer from the Extracts of Tea by High Speed Countercurrent Chromatography
高速逆流色谱提纯茶叶粗提物中EGCG单体研究 - The separation ofm-chloroaniline and p-chloroaniline was carried out by countercurrent dissociation extraction ( CDE).
逆流解离萃取通过套用萃取酸分离间氯苯胺及对氯苯胺。 - A continuous multi-stage countercurrent fractional crystallization process for crude naphthalene
粗萘连续多级逆流分步结晶过程的研究A加权等效连续声压级