вентилациони систем

вентилациони систем

A method for reducing methane concentrations in coal mines to non-explosive levels by blowing air across the mine face and using large exhaust fans to remove methane while mining operations proceed.

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Loại từ: noun
Từ đồng nghĩa:
Blossary:
Ngành nghề/Lĩnh vực: Energy
Category: Coal; Natural gas; Petrol
Company: EIA
Sản phẩm:
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бушотина

Energy; Coal

Велика или дубока рупа која је била узрокована бушењем.

пробој

Energy; Coal

Отвор који је направљен преко стубова који омогућавају вентилацију.

Naizmenična struja

Energy; Coal; Natural gas; Petrol

An electric current that reverses its direction at regularly recurring intervals.

битуменска смола

Energy; Coal

A soft coal that is considered better than lignite but worst than anthracite. It's about 60-80% carbon with the rest being water, air, hydrogen, and sulfur.