fractional precipitation
英 [ˈfrækʃənl prɪˌsɪpɪˈteɪʃn]
美 [ˈfrækʃənl prɪˌsɪpɪˈteɪʃn]
分段沉淀；分步沉淀
双语例句
- In the research on the method of fractional precipitation, we mainly verify the possibility from theories to physically by experiment.
在非铁磁性磨粒的分步沉积方法的研究中，主要是通过实验来验证分步沉积法从理论到实际应用中的可行性。 - Methods Urinary proteins were abstracted by fractional precipitation method with ammonium sulfate from nephrotic proteinuria of three patients with minimal change disease ( MCD).
方法用硫酸铵沉淀法提取肾小球微小病变患者尿液中的总蛋白成分。 - METHODS By using techniques such as acid and alkaline extraction, ammonium sulfate fractional precipitation, membrane filtration and chromatographic separation, up to 9 kinds of enzymes were simultaneously extracted and purified from 1 kg of porcine pancreas in one process.
方法采用酸、碱抽提、硫酸铵分级沉淀、膜过滤、色谱分离等技术，从1kg猪胰脏中同时分离纯化9种酶。 - Shark cartilage preparation ( SCP) was extracted from shark cartilage by the method of guanidine hydrochloride extraction, acetone fractional precipitation, and ultrafiltration.
以鲨鱼软骨为原料，经盐酸胍抽提，丙酮分级沉淀，超滤等步骤得到鲨鱼软骨制剂（sharkcartilagepreparation，SCP）。 - Fractionation of humic acid by fractional precipitation technique
胡敏酸的酒精分级沉淀法分级 - Modulation of Spinnable Polycarbosilane with a High Melting Point via Fractional Precipitation
沉淀分级法调制纺丝级高熔点聚碳硅烷 - 2) Three kinds of processes for extracting magnisium salt from salt lake water are re-commended,( a) the fractional crystallization processes,( b) lime precipitation processes, and ( c) ion exchange processes.
自盐湖水提取镁盐之方法，有三类，（1）分级结晶法类，（2）石灰沈降法类，（3）离子交换法类。 - Chromatographically pure chitinase could be obtained by ( NH4) 2SO4 fractional precipitation, anion-exchange chromatography, SDS-PAGE, and a singular and high chromatography peak could be found and two electrophoretic bands could be validated from gel electrophoresis.
几丁质酶通过（NH4）2SO4分级沉淀、阴离子交换柱层析、SDS-PAGE提纯后可以达到层析纯，出现单一并且峰值很高的层析峰，电泳确认两条带，分别为几丁质外切酶和几丁质内切酶。 - Obtain the crude enzyme solution by thermally denature earthworm tissue homogenate. Acquire the crude enzyme by ammonium sulfate fractional precipitation and 80% acetone precipitation. Purify the crude enzyme by ion exchange, hydrophobic exchange and gel filtration chromatography. 2.
双胸蚓组织匀浆后通过热变性获得粗酶液；利用硫酸铵分级沉淀和80%丙酮沉淀获得核酸酶的粗品；粗品依次通过离子交换层析、疏水交换层析和凝胶过滤层析进行精细纯化。