Method Before operation all the patients was tested with ICGR15 and EHBF by PDD method.
目的运用脉动色素浓度法(PDD)测定吲哚氰绿潴留率(ICGR15)及有效肝脏血流量(EHBF)评估原发性肝癌患者术前肝脏的储备功能。
A new perturbed gradient algorithm is given.
给出了一种扰动梯度算法 。
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