Objective to develop the Liquidphantom used to measure bone mineral content in QCT and has equivalent effectiveness with solid phantom made of Hydroxyapatite.
目的通过试验测试，设计制作出与标准固体体模等效的qct骨密度测量液体体模。
2
The blend rapidly chills as liquid nitrogen -- with a boiling point of -320 degrees -- instantly vaporizes in a billowing, Phantom of the Opera-esque fog.
液态氮的沸点是零下320度，当它迅速蒸发时，会腾起一股《歌剧魅影》式（Phantom of the Opera）的白雾；同时，搅拌物的温度会骤然降低。