The authors propose a method of gas emission forecast and that of determining reasonable ventilation parameters in fully mechanized face with high contents of methane.
提出了高沼气综采工作面沼气涌出的预测方法及合理通风参数的确定方法。
The parameters of many software functions, such as e. g. a final ventilation period, can be set by the operating personnel on site.
其还提供很多软件功能的参数设定，如：后吹扫的时间等可由操作人员就地设定。
The-tunnel ventilation control and monitoring system is introduced. The contents include the basic technical requirement, control principle, monitoring parameters and implementation.
介绍隧道通风控制与监测系统，包括基本技术条件、控制原理、监测参数和实施。
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