ћелије

The type of lymphocyte responsible for cell-mediated immunity; also protects against infection by parasites, fungi, and protozoans and can kill cancerous cells; circulate in the ...

сито ћелије

Biology; General

Conducting cells in the phloem of vascular plants. See sieve elements.

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.

кавез

Energy; Coal

Refers to the elevator that is used in a mine to transport materials and people.

топлотна вредност

Energy; Coal

The amount of heat in BTU's that is release by burning one pound of coal.

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Dragan Zivanovic

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Nozare/domēns: Festivals Category: Easter

Ускрс

An annual Christian festival in commemoration of the resurrection of Jesus Christ, observed on the first Sunday after the first full moon after the ...