Перегляд Volume 10, Issue 3 по назві
Зараз показуються 11-14 з 14
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Regularities of surface subsidence and rocks displacement within the boundaries of local workings
(National Mining University, 2016-09-30)Purpose. To establish typical phases of the earth surface subsidence and rocks displacement on the local workings’ boundary under the influence of the working face movement. Methods. Development of the general picture of ... -
Technological complex for production, transportation and storage of gas from the offshore gas and gas hydrates fields
(National Mining University, 2016-09-30)Purpose. Substantiation and development of schematics acceptable for the existing technological methods of natural gas production and transportation from the offshore fields of gas or gas hydrates. Improvement of their ... -
The impact of vibration mechanism’ installation place on the process of retrieving stuck drill pipe
(National Mining University, 2016-09-30)Purpose. The present paper studies the dependence of the dynamic oscillatory movements in the area of drill string sticking on the parameters of vibrating mechanism and place of its installation in the heavy weight drill ... -
The results of magnetic separation use in ore processing of metalliferous raw basalt of Volyn region
(2016-09-30)Purpose. To determine the effectiveness of the electric field use in ore processing for extraction of native copper concentrate from raw basalt, to identify the most technologically advanced grain-size classes of the feed ...