共 5 条
- [1] SMECTITE RICH CLAY MINERAL RAW-MATERIALS - POSSIBILITIES OF THEIR UTILIZATION AND REFINEMENT [J]. ZEITSCHRIFT FUR ANGEWANDTE GEOLOGIE, 1988, 34 (01): : 11 - 14
- [2] BROWN COALS AS AN EXAMPLE OF COMPLEX UTILIZATION OF RAW-MATERIALS FROM THE GDR [J]. CHEMISCHE TECHNIK, 1988, 40 (06): : 233 - 237
- [3] HIGHER REFINING OF MATERIAL, RAW-MATERIALS AND ENERGY CARRIERS THROUGH RECYCLING PRODUCT AND PROCESS DESIGN AS WELL AS SECONDARY RAW MINERAL UTILIZATION [J]. CHEMISCHE TECHNIK, 1983, 35 (11): : 592 - 593
- [4] THE ALKALINE HYDROTHERMAL PROCESS FOR THE DIGESTION OF ALUMINUM-BEARING FLY ASHES - AS AN EXAMPLE FOR AN EFFECTIVE UTILIZATION OF INDIGENOUS RAW-MATERIALS [J]. CHEMISCHE TECHNIK, 1983, 35 (11): : 553 - 556
- [5] THE UTILIZATION OF ALL VALUABLE METALS CONTAINED IN SECONDARY RAW-MATERIALS - ESSENTIAL TASK OF THE STRATEGY OF THE HIGHER REFINING IN OUR NATIONAL-ECONOMY [J]. CHEMISCHE TECHNIK, 1983, 35 (11): : 593 - 593