- sodium polysulphide
- • многосернистый натрий• полисульфид натрия
English-Russian dictionary of chemistre. 2014.
English-Russian dictionary of chemistre. 2014.
Insulated glazing — (IG) also known as double glazing are double or triple glass window panes separated by an air or other gas filled space to reduce heat transfer across a part of the building envelope. Glass in windows is used to provide light and allow a view… … Wikipedia