等离子火焰 meaning in Chinese

plasma flame
plasma torch

In this thesis , the structure and basic characteristic of hexagonal ferrite absorbent were summarized , and popular methods to prepare ultrafine ferrite particles and hollow microspheres were introduced . hexagonal ferrite hollow microspheres were prepared by flame powders spraying technique and flame suspending solution spraying technique
本文较为系统地概述了六角晶系铁氧体吸收剂的结构和基本特性；介绍了当前铁氧体超微粉末及空心微球的主要制备方法；用氧乙炔火焰粉末喷雾技术与等离子火焰溶液喷雾技术制备了六角晶系铁氧体空心微球，对其结构和性能进行了一系列的探讨工作。