用“halogens”造句大全，halogens造句

Study on Low-halogens Flame-retardant PVC/PNBR Thermoplastic Elastomer;

A compound, such as a fluorocarbon, that consists of carbon and one or more halogens.

Can't you give me a break on this? We've already spent so much money on lighting, I hate to have to blow so much more on halogens.

All the halogens require one more electron to complete a P-shell.

After returning to the countryside,Fu Jia had invented the method of absorbing halogens and extracting salt and made Yunan one of the oldest salt production places in China,giving a great contribution to prospering local economy.

Oxides of carbon, sulfur, nitrogen and halogens are serious environmental pollutants produced by the productive and social activities of humans.

one of various compounds of carbon and any of the halogens.

a nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water.