According to the purity requirement 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。
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。
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.
结论改良碱裂解法操作简单、实用，所得样品纯度高，达到了分子生物学常规实验的要求。
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