Volume 6; Issue 4

Journal of Mining Science

Volume 6; Issue 4
6

Effect of adjustable roof bolts on the strength of the support-rock system

Year:
1970
Language:
english
File:
PDF, 379 KB
english, 1970
7

Procedure for thermal calculations of mine air

Year:
1970
Language:
english
File:
PDF, 128 KB
english, 1970
8

Predicting dangerous methane concentrations

Year:
1970
Language:
english
File:
PDF, 272 KB
english, 1970
10

Turbulent diffusion of exhaust gases in a transportation working

Year:
1970
Language:
english
File:
PDF, 419 KB
english, 1970
14

Method of statistical analysis of texts on mining techiques

Year:
1970
Language:
english
File:
PDF, 256 KB
english, 1970
16

Experience in stress determination in a coal seam by photoelastic transducers

Year:
1970
Language:
english
File:
PDF, 179 KB
english, 1970
17

Accuracy of centrifugal models of earthworks

Year:
1970
Language:
english
File:
PDF, 167 KB
english, 1970
19

Possibility of using radiant-energy generators for fracturing rocks

Year:
1970
Language:
english
File:
PDF, 190 KB
english, 1970
20

Use of film thermocouples for studying thermal fracturing of hard rocks

Year:
1970
Language:
english
File:
PDF, 128 KB
english, 1970
21

Fracturing of rocks by complex changes

Year:
1970
Language:
english
File:
PDF, 153 KB
english, 1970
22

Stress waves due to detonation of a cylindrical charge at a free surface

Year:
1970
Language:
english
File:
PDF, 916 KB
english, 1970
24

Determining the true rear angle of a rock cutter during drilling

Year:
1970
Language:
english
File:
PDF, 164 KB
english, 1970
25

Some laws of bit wear in auger drilling of vertical boreholes

Year:
1970
Language:
english
File:
PDF, 155 KB
english, 1970
27

A feed unit for drilling machines

Year:
1970
Language:
english
File:
PDF, 152 KB
english, 1970
28

A hydraulic drill rig

Year:
1970
Language:
english
File:
PDF, 153 KB
english, 1970
29

Analysis of the influence of certain factors on the operation of a compressor

Year:
1970
Language:
english
File:
PDF, 226 KB
english, 1970