Перегляд зібрання за групою - Теми
- defects 1
- definite article 1
- definition 1
- deformation 5
- Degradation 1
- degradation 1
- degradation degree 2
- degree of completion of TEOS hydrolysis 2
- degree of purification 2
- dehumidification of air 1
- dehydrated clay 1
- dehydration 1
- demineralisation 2
- demining 1
- demining of territories 2
- democracy 3
- demodernization, 1
- demographic development 1
- Demonstration 1
- denitration 1