METHODS? Flocculating method and alcohol precipitation method were used.
采用醇沉法与絮凝法。
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；
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；
Methods: Flocculating method and alcohol precipitation meth od were used.
方法：采用了醇沉法和絮凝法两种精制方法。
Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.
本工作用甲苯作溶剂，乙醇作沉淀剂，用沉淀分级法，对溶聚丁苯橡胶（S-SBR）进行了分级。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
应用推荐