Search
Warning: Undefined array key "1117/" in /web/zanos/classes/Edit/EditForm_class.php on line 263
Warning: Undefined array key "1117/" in /web/zanos/classes/Player/SearchArticle_class.php on line 261
# | Search | Downloads | ||||
---|---|---|---|---|---|---|
1 | In article the question on limiting opportunities of ventilation for maintenance of concentration of methane in developments of panel at a normative levelis considered, and since what moment application of means of degasification is necessary. It is shown, that that for an abatement of inflow of methane from a goaf in working developments it is necesary to reduce pressure in the field of active accumulation of methane by drilling in them of the methane drainage boreholes connected to vacuum pumps | 955 |