The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾首选是酚充填烧蚀料（PICA），是一种在酚树脂纤维交叉结构。

The experimental results of low temperature ablator (beeswax and camphor) tests in the hypersonic wind Tunnel are presented in this paper.

本文给出了低温烧蚀料高超声速风洞烧蚀实验研究结果。