Objective To measure and evaluate the distribution feature of radiation dose at the conventional puncture plane in invasive diagnosis and treatment area, and depict the corresponding isodose curve.
目的测量和评价介入诊疗区域内常规穿刺平面辐射剂量的分布特点，绘制相应的等剂量曲线示意图。
2
Results We successfully measured doses of X_ray radiation in invasive diagnosis and treatment area, and depicted the distributioncurve.
结果成功测量相关数据并绘制介入诊疗区域内常规穿刺平面正、侧位辐射剂量分布示意图。
3
Specific surface area, resistivity, and distribution of pore diameter of air electrode were measured. Polarization curve and operating performance of air electrode have been tested.