According to the purityrequirement for Si powder, a cold plasma reaction chamber with long drop distance and high reaction rate is provided in the paper.
根据硅粉纯化的要求，提供了一种长落程和高反应速率的冷等离体反应器。
2
The requirement to flow, pressure, heating temperature and purity of converter gas used in reheating furnace were introduced.
介绍了加热炉在使用转炉煤气作为燃料时，对其流量、压力、加热温度和纯洁度的要求。
3
We can get high purity of sample DNA by this simple and practical new method, it can meet the requirement of routine molecular biochemistry experiments.