建议：研究对象包括来自四个大洲的12个前瞻性观察性队列中的6142名急性失代偿性心力衰竭（ ACHF ） 患者。按世界卫生组织指南分层为为正常体重组（ BMI 18.5 -25kg/m?
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Activated carbon hollow fibers (ACHF) were prepared from polyacrylonitrile (PAN) hollow fiber through oxidation, carbonization and KOH activation.
讨论了用聚丙烯腈(pan)基中空纤维为原料，采用KOH活化法制备中空活性炭纤维(ACHF)的活化过程。
The specific surface area, pore size and yield ratio have been measured. Iodine and Methylene blue adsorption were used to study the adsorption capacity of ACHF.
测量了比表面积和得率，孔径分布，用碘吸附值、亚甲基兰吸附值测定了中空活性炭纤维的吸附性能，用SEM观察了其表面结构。
Effects of activation condition on the structure and properties of PAN-ACHF are studied during the process of activation, and the best activation condition is chosen.
系统研究预氧化过程中，预氧化条件对后继pan—achf的结构和性能的影响，合理选择最佳预氧化条件。
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