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1)  acidulation
酸析法
1.
The recovery process of lignin from the alkaline reed paper-pulping effluent black liquor by acidulation precipitation was studied.
以碱法芦苇纸浆黑液为原料,研究了酸析法提取木质素的工艺。
2)  Acid precipitation analysis
酸沉析法
3)  acid extracting lignin process
酸析木素法
1.
According to the characteristics of oxygen-alkali cooking black liquor from papermaking, such as near neutral, low COD concentration, and less production, the acid extracting lignin process was used for treatment of the liquor.
针对氧碱蒸煮造纸黑液pH近中性、COD浓度较低、产生量较少的特点,采用酸析木素法对其进行处理。
4)  base-dissolving acidification method
碱溶酸析法
1.
Sulfuric acid method, base-dissolving acidification method, ion exchange resin method, and acetone-sulfuric acid method were studied in this paper for extraction of fulvic acid from weathered coal in which the content of humic acid is high, fulvic acid is low.
通过实验,研究了硫酸法、碱溶酸析法、离子交换树脂法、硫酸丙酮法四种方法的提取效果,并对硫酸丙酮法作了深入研究。
5)  (NH4)2SO4 precipitation
硫酸铵盐析法
1.
The βmannanase from Bacillus subtilis K3-14 was purified by (NH4)2SO4 precipitation,Acetone precipitation and PEG precipitation respectively.
分别采用硫酸铵盐析法，丙酮沉淀法，聚乙二醇沉淀法对枯草芽孢杆菌（Ｂａｃｉｌｕｓｓｕｂｔｉｌｉｓ）Ｋ３－１４菌株发酵产生的β－甘露聚糖酶（β－ｍａｎｎａｎａｓｅ）进行提纯。
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6)  acidimetric analysis
酸量滴定分析法
补充资料：析析
1.亦作"??3B4A"。 2.象声词。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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