GENOTOXICITY OF STYRENE OLIGOMERS EXTRACTED FROM POLYSTYRENE INTENDED FOR USE IN CONTACT WITH FOOD

Here, we conducted in vitro genotoxicity tests to evaluate the genotoxicity of styrene oligomers extracted from polystyrene intended for use Microwave in contact with food.Styrene oligomers were extracted with acetone and the extract was subjected to the Ames test (OECD test guideline No.471) and the in vitro chromosomal aberration test (OECD test

The traction system scheme of diesel shunting locomotive for exporting to Uzbekistan was detailedly FM Transmitters introduced for satisfying higher starting and continuous traction forces.Optimization of microcomputer control system and electric parts using under high dust conditions was analyzed, and modularization Course a pied - Femme - Vetemen