1) Acetonitrile precipitation
乙腈沉淀法
2) ethanol precipitation method
乙醇沉淀法
1.
The factors that influence the decolorizing effects of activated carbon were studied and the influence of ethanol precipitation method on product was discussed in the paper.
本文对影响活性炭脱色效果的几个因素进行了研究;并探讨了无水乙醇沉淀法对产品产率的影响,获得了活性炭脱色与无水乙醇沉淀的最佳工艺条件。
3) ethanol precipitation
乙醇沉淀法
1.
Pectin of orange bark was extracted by acid hydrolysis ethanol precipitation at different marinating time, pH and temperature conditions.
利用酸性水解乙醇沉淀法提取果胶,分别测定了不同的浸泡时间、酸碱度及水解温度对果胶产率的影响。
4) chilled alcohol precipitation method
低温乙醇沉淀法
5) calucium ethoxide precipitation method
乙醇钙沉淀法
1.
The calucium ethoxide precipitation method was used to purified Phosvitin phosphopeptide,N/P(mole ratio)was used as measurement index,the quadratic regression orthogonal combination design was used as tools,the best purification technical parameters of Phosvitin Phosphopeptide were optimized.
在利用乙醇钙沉淀法纯化卵黄高磷蛋白磷酸肽的技术研究中,以 N/P 摩尔比为衡量指标,二次回归正交组合设计为手段,获得卵黄高磷蛋白磷酸肽纯化技术的数学模型为： (?)=0。
6) ethyl alcohol precipitation
乙醇沉淀
1.
Immunoglobulin of egg yolk(IgY) can be extracted by the ice ethyl alcohol graduation centrifuge method and immunoglobulin can be purified gradually through the low temperature ethyl alcohol precipitation,Sephadex G-15 chromatography,A-50 ionic exchange chromatographic analysis,Tris-HCl buffer solution elution and Sephadex G200 gelatin filtration and so on.
通过低温乙醇沉淀、DEAE葡萄糖凝胶A-50离子交换层析、Tris-HCl缓冲液洗脱及Sephadex G200凝胶过滤等逐步纯化免疫球蛋白。
2.
The way of colloid adsorption together with ethyl alcohol precipitation isolated these two proteins successfully.
采用两性离子胶体沉淀和乙醇沉淀相结合的粗提方法,经离子交换、疏水层析、亲和层析及凝胶过滤 4个步骤有效地将人尿激肽原酶(hk 1)粗提物纯化,比活提高了 175 5倍,总得率为 70 %。
补充资料：乙腈
结构式CH3CN．分子量41．05。无色透明液体，有醚的气味。相对密度(20 ℃／4℃)1. 7822，凝固点-43．8℃，沸点81．6℃、闪点5．6℃。折射率1.3441．粘度(20 ℃)0.35mPa·s，表面张力(20℃)1 9．10×10-3N／m，临界温度274．7℃，临界压力4．83MPa。能与水、甲醇、醋酸甲酯、醋酸乙酯、丙田酮、乙醚、氯仿、四氯化碳、氯乙烯以及各种不饱和烃相混溶。与水形成共沸混合物。易燃，爆炸极限3．0％-16％(vol)。有毒人LD503800mg／kg。空气中最高容许浓度3mg／m3。
用作树脂和橡胶的良溶剂。
贮存阴凉、通风、干燥的库房内，远离火种、热源，防止日光直射。
用作树脂和橡胶的良溶剂。
贮存阴凉、通风、干燥的库房内，远离火种、热源，防止日光直射。
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