1) watering-out crystallization
水析结晶
1.
Purification of diphenyl carbonate by using watering-out crystallization
水析结晶提纯碳酸二苯酯的研究
2) salting-out crystallization
盐析结晶
1.
In order to improve the crystallization rate of KNO_3,the new process for the production of KNO_3 by salting-out crystallization method is studied e.
为提高硝酸钾结晶率,研究了采用添加盐析剂的盐析结晶法制取硝酸钾新工艺,通过盐析剂的盐析作用,硝酸钾与氯化铵在溶液中的有效浓度提高,从而使更多硝酸钾与氯化铵结晶析出,盐析剂始终在母液中循环并发生盐析作用。
3) solvating-out crystallization
溶析结晶
1.
This technology coupled a fractional ultrafiltration separation system as well as two portions(is 30~100 ku,more than 100 ku),with the solvating-out crystallization,by which curdlan with the purities of 96.
为得到高纯度的凝胶多糖,采用分级膜(30 ku,100 ku)超滤同时耦合溶析结晶的方法——循环超滤-溶析结晶(CUSOC)法对凝胶多糖粗品进行了分级纯化,制备出了纯度分别达96。
2.
Simulate model of electrioultrafiltration solvating-out crystallization (EUSOC) was established by dimension analysis, and the control model of EUSOC was achieved based on regression of laboratory experiment data.
通过量纲分析建立电超滤—溶析结晶过程中膜通量变化的仿真模型,根据实验数据对模型的相应参数进行回归求解,获得该过程的控制模型。
4) dilution crystallization
溶析结晶
1.
The effect of ultrasonic on riboflavin dilution crystallization was studied in this thesis.
研究超声处理对核黄素溶析结晶的影响,结果表明,超声作用不仅可以加快成核速率,缩短诱导期,加快结晶进程,并且能够获得球状核黄素结晶,使产品流散性提高。
2.
Some new research fields were extended in recent years,for instance,study on mixing technique of diluent entrance,where mixing situation markedly affect crystal characteristics and study on finely crystal preparation by dilution crystallization coupled with supercritical fluid technique.
溶析结晶是一种常见的分离提纯方法,广泛应用于化工、医药、食品等行业。
5) solventing-out crystallization
溶析结晶
1.
In industry, the erythromycin is usually produced by the method of solventing-out crystallization.
在工业生产中,红霉素采用溶析结晶的方法制备,红霉素溶析结晶过程的介稳特性直接影响红霉素晶体的粒径和粒度分布。
2.
The influences of ultrasound on the solventing-out crystallization of andrographolide were investigated.
研究了超声波对穿心莲内酯溶析结晶过程的影响,考察不同超声功率对均相成核诱导期、介稳区、晶体粒度和晶形的影响。
3.
Solventing-out crystallization is based on the remarkable difference of target component's solubility in the main solvent and anti-solvent.
溶析结晶法是利用被分离物质与溶剂分子间相互作用力的差异,通过改变溶剂的性质来选择性溶解杂质而使目标组分最大限度地从溶剂中晶析出来的过程。
补充资料：分级盐析
分子式：
CAS号：
性质：肥皂盐析时，低分子脂肪酸皂析开所需盐的浓度高，高分子脂肪酸皂盐浓度低。利用这一原则，皂液经过多次盐析可达到提纯的目的。如80％牛油，20％椰子油配方的肥皂溶液经4次分级盐析的实验结果如下。
CAS号：
性质：肥皂盐析时，低分子脂肪酸皂析开所需盐的浓度高，高分子脂肪酸皂盐浓度低。利用这一原则，皂液经过多次盐析可达到提纯的目的。如80％牛油，20％椰子油配方的肥皂溶液经4次分级盐析的实验结果如下。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条