Objective: Set up a method of isolation and purification of early pregnancy factor (EPF) from human pregnancy sera, and get pure EPF.
目的：建立一条从妊娠早期妇女血清中分离纯化早孕因子的技术路线，获得高纯度的早孕因子。
Make use of principal factor analysis to set up the objective evaluation system of wool-like fabrics, which can express the characters totally and objectively.
采用主因子分析方法，建立了仿毛织物的客观评价系统，比较全面而客观地表达了织物的风格特征。
Objective to set up a multiple factor analysis method for assessing the incidence and outcome of intracranial aneurysms in patients treated with Guglielmi detachable coils (GDC).
目的建立一种评估颅内动脉瘤栓塞治疗效果的多因素分析方法。
Objective to set up a multiple factor analysis method for assessing the incidence and outcome of intracranial aneurysms in patients treated with Guglielmi detachable coils (GDC).
目的建立一种评估颅内动脉瘤栓塞治疗效果的多因素分析方法。
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