大学英语词汇短语释义解析及例句 alcohol precipitation


释义：

alcohol precipitation 酒精沉淀法

例句：


The pumpkin pectin was obtained by alcohol precipitation after ultrafiltration.

本试验采用超滤浓缩后乙醇沉淀制备南瓜果胶。



METHODS: Combined water extract and alcohol precipitation, herbs was administrated after sterilization.

方法：采用中药水提酒精沉淀消毒后腹腔灌洗。



Crude polysaccharide was gained by hot water extraction, alcohol precipitation, decolorization and deproteinization.

以莪术为材料，经热水提取、酒精沉淀、脱色、脱蛋白得粗多糖。



Methods:Oral liquid was made by steam distillation, alcohol abstraction method, water abstraction and alcohol precipitation.

方法：分别采用水蒸气蒸馏法、醇提法、水提醇沉法制成口服液；



The results are as follows: the alcohol consumption of alcohol precipitation method almost doubles that of salting-out method;

结果表明：酸解醇析法所消耗的乙醇量几乎为盐析法乙醇消耗量的两倍；



Objective: The effect of separation rates on the quality and shelf life of TCM in the process of alcohol precipitation was discussed.

目的：简要讨论醇沉过程中分离程度对中药质量、保质期等的影响。



Experimental Methodsare: Crude polysaccharide was gained through hot water extraction, alcohol precipitation, decolorization and deproteinization.

莪术经热水提取，酒精沉淀，脱色，脱蛋白得粗多糖。



Objective: To study the effects of water extraction, water extract-alcohol precipitation and ethanol ultrasonic extraction on the content of astragalus saponin.

目的：研究水提法、水提醇沉法、乙醇超生提取法三种提取方法对黄芪总皂苷的影响。



Objective:To compare the fit and unfit of alcohol precipitation process and chitosan flocculation process used in purification of extract of yanyan buccal tablets.

目的：比较醇沉法和壳聚糖絮凝法用于咽炎口含片浸膏纯化的优劣。



Results Utilizing lactic acid dissolution and alcohol precipitation technology could prepare granules of chitosan lactate, which had characteristic absorption peak in infrared spectrum.

结果利用乳酸溶解和醇沉淀工艺可制备出壳聚糖乳酸盐颗粒，在红外光谱中具有特征性吸收峰。



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。