52

Effect of Liquid Melt Nitriding Method on Steel’s Nitrogen Content

Year:
2015
Language:
english
File:
PDF, 153 KB
english, 2015
60

Combination and Connection of Education with Productive Labor

Year:
1960
Language:
english
File:
PDF, 489 KB
english, 1960
63

Thermal analysis of coal ash

Year:
2017
Language:
english
File:
PDF, 395 KB
english, 2017
69

Directions of Improving Gas and Oil Pipeline Structural Materials

Year:
2017
Language:
english
File:
PDF, 694 KB
english, 2017