计算两种给药方法5-FU的穿透指数(penetration index, PI)和区域性动脉灌注化疗的治疗优势度(Rd),计算公式如下： PI=AUC T/AUC P AUC...
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penetration index pi 通透指数
root penetration index 根系穿透指数
field penetration index 场切深指数
penetration index method 针入度指数法
a halt penetration index 沥青针入度指数
microwave vegetation penetration index 微波穿透指数
penetration viscidity index 针入度粘度指数
For the limestone and SBS I-D asphalt mastic, the penetration index values also showed an optimum dust to binder ratio but with higher values than other mastics.
对于添加石灰石的SBS I - D沥青胶浆，其针入度指数同样表现一最佳矿粉结合料比，该比值高于其他胶浆的最佳矿粉结合料比。
The skin barrier function was estimated by the change of tritium penetration rate as the index.
采用液体闪烁法测定氚的经皮渗透行为，以氚经皮渗透速率的变化作为离体皮肤屏障功能的评价指标。
In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.
模型对冬小麦—夏玉米轮作体系作物叶面积指数、作物系数、根系生长与分布进行了模拟。
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