资讯

Carbonic acid is a heavy gas —it extinguishes fire and destroys all animal life. If an animal attempts to breathe it pure, there is spasmodic closure of the glottis and the animal dies as ...
Collier) of the “London Mining Journal” imparts a piece of valuable information respecting the beneficial effects of lime-water to cure persons affected with carbonic acid gas. He states that ...
Hydrochloric acid, a strong mineral acid with widespread industrial utility, has witnessed growing consumption due to its use ...
The acid spilt from two of several plastic ‘flow bins’ being transported on a truck with a trailer. Each flow bin has a capacity of 1,000 litres, housed in steel mesh cages. It is understood ...