... fractionation① 分馏（作用）；精馏（法）② 分级；分离 fractionation precipitation分段沉淀 fractionator分馏器 ...
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畜牧学英语词汇翻译F-40-SCIdict学术词典... ... 分段滤萃 fractional percolation 分（段）沈淀 fractional precipitation; fractionation precipitation 间歇灭菌（法） fractional sterilization; intermittent sterilization; tyndallization ...
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precipitation fractionation [高分子] 沉淀分级 ; 沉淀分级法
This paper deals with the way of purifying highly purity hyaluronic acid from ox eye by fractionation and organic solvent precipitation.
本文报道采用分级分离并结合有机溶剂沉淀法，从牛眼中纯化出高纯度透明质酸，较其他方法简便，易形成规模。
The vacuolating Cytotoxin from Helicobacter pylori YC-11 was purified by using water-extracting, salt precipitation and gel filtration chromatographic fractionation.
运用水油提、盐析及凝胶过滤色谱法对幽门螺杆菌YC-11株所分泌的形成空泡细胞毒素进行了提取。
Tannin fractions with different molecular weight distributions were obtained by purification of alcohol precipitation and fractionation of solvent extractions of black wattle bark tannins.
通过对黑荆树皮单宁进行醇沉纯化和溶剂萃取分级，可得到分子量分布范围不同的单宁级分。
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