分级分离 meaning in English
fractionation
Examples
- Standard test methods for fatty and rosin acids in tall oil fractionation products by capillary gas chromatography
用毛细管气相色谱法测定妥尔油分级分离产品中脂肪和树脂酸的标准试验方法 - Besides analysis , the concept of membrane immunochromatography can be expanded to in situ fractionation of chemical species
除了分析，膜免疫层析的原理还能延伸到化学样本的原位分级分离。 - After ultrafiltration and rough separation with ammonium sulfate and anion - exchange chromatography , the recombination protein of ctla4 extracelluar domain was rectified from the ferment supernatants
表达菌甲醇诱导发酵；发酵上清液经超滤、硫酸胺粗分级分离以及阴离于交换层析，纯化出ctla4胞外区蛋白。 - The isolation and purification of dnaase in the earthworm the earthworm dnaase was purified from the tissue extract of earthworm by denaturing the protein with low ph buffer , high temperature , ammonium sulfate precipitation , deae - cellulose ( de52 ) chromatography and ultra - filter membrane
双胸蚓组织中dna酶的分离纯化双胸蚓组织粗提取液经过选择性酸变性、选择性热变性、硫酸按分段盐析、 deae一纤维素（ de52 ）柱层析、超滤膜分级分离后得到一个电泳纯的dna酶。 - To isolate and purify dnaase in the earthworm first , the tissue extract of earthworm was prepared by dissolving the earthworm with sucrose and denaturing the protein with low ph buffer . then dnaase was purified by denaturing the protein with higher temperature . the following steps were ammonium sulfate precipitation , deae - cellulose ( de52 ) chromatography and filtration by ultra - filter membrane
双胸蚓组织中dna酶的分离纯化采用蔗糖溶解双胸蚓，并选择性酸变性制备双胸蚓组织粗提取液，再经选择性热变性、硫酸铵分段盐析、 deae ?纤维素( de52 )柱层析及超滤膜分级分离对双胸蚓组织中dna酶进行分离纯化。