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1)  acid-alkaline precipatation
酸碱沉淀
1.
Using acetone as extraction agent,Hypocrellin A is seperated and purified from Shiraia bambusicola by acid-alkaline precipatation combined with Soxhlet extraction.
以丙酮作为提取剂,采用索氏提取法与酸碱沉淀法相结合,从竹黄中分离、纯化竹红菌甲素。
2)  acidic-basic precipitation
酸碱液沉淀
1.
Four methods including liquid-liquid extraction,basic-solution extraction,acidic-basic precipitation and ion-exchange chromatography were applied in pretreatment of the paclitaxel purification and were compared in terms of impurity elimination rate,the decoloration rate and paclitaxel recovery.
本文以除杂率、脱色率和紫杉醇回收率为定量指标,比较了萃取、碱液洗涤、酸碱液沉淀和离子交换树脂四种方法的优劣。
3)  acid-alkali alternate precipitation
酸-碱交替沉淀
1.
The Cu-based catalyst(500 g) for methanol synthesis was prepared by an acid-alkali alternate precipitation method.
采用酸-碱交替沉淀法制备了Cu基甲醇合成催化剂放大样(500 g),并用X射线衍射、低温N2吸附和扫描电子显微镜等对催化剂进行了表征,系统考察了制备条件(搅拌速度、溶液滴加速度、盐和碱溶液浓度等)对催化剂性能的影响。
4)  acid-alkali-based alternate precipitation method
酸-碱交替沉淀法
5)  α-amylase hydrolysis
碱溶酸沉淀法
1.
Preparation of wheat germ protein by combining alkali dissolution-acid deposition with α-amylase hydrolysis;
与传统的碱溶酸沉淀法相比,该方法明显地提高了小麦胚芽蛋白的纯度和得率,其数值分别达到94。
6)  alkaline chemical precipitation
加碱沉淀
1.
For the problems such as high content of chromium(Cr~(3+)),complex composition and poor purity after precipitation in tannery chrome effluents,optimized direct alkaline chemical precipitation,alkaline chemical precipitation after flocculation and new method of silicon-ferroalloy were used to recycle chrome of tannery chrome effluents in the experiment.
针对制革厂铬鞣废水含铬(Cr3+)量高、成分复杂、沉淀后铬泥纯度低的问题,本实验采用优化后的直接加碱沉淀法、絮凝后再加碱沉淀法和新型的硅铁电极法来回收铬鞣废水中的铬。
补充资料:顺丁烯二酸麦角碱 ,马来酸麦角新碱,地施利尔
药物名称:麦角新碱

英文名:Ergometrine

别名: 苹果酸麦角新碱;顺丁烯二酸麦角碱 ,马来酸麦角新碱,地施利尔
外文名:Ergometrine ,Ergitrate,Cormocentin
适应症: 临床用于治疗产后子宫出血、子宫复旧不良、月经过多等。
用量用法:
1.静注或肌注:1次0.1~0.2mg。静注时可用25%葡萄糖注射液20ml稀释。极量1次0.5mg,1日1mg。 2.子宫壁注射:剖腹产时直接注射于子宫肌层0.2mg;产后或流产后为了止血可在子宫颈注射0.2mg,注射子宫颈左、右两侧。 3.口服:1次0.2~0.5mg,1日1~2次。
注意事项:
1.部分病人用药后可发生恶心、呕吐、出冷汗、面色苍白等不良反应,不宜以静注作为常规使用,1次剂量不应超过0.5mg。 2.有妊娠中毒症、肝病、高血压病及其它心血管疾病病人禁用。 3.胎儿未娩出前禁用,以免发生子宫破裂及胎儿宫内窒息死亡。胎盘未娩出前慎用,以防胎盘嵌顿在宫腔内。
规格: 注射液:每支0.2mg(1ml);0.5mg(1ml)。 片剂:每片0.2mg;0.5mg。


类别:生殖系统药/子宫收缩药及引产药
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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