更多siliceous例句

1. Siliceous earth is not affected by the strongest heat, except by means of a burning lens, or dephlogisticated air.
2. Mention an instance of the abundant occurrence in the sea of animalcules with siliceous coverings and skeletons.
3. In many cases I believe that each half-frustule becomes coated with a new entire cell-wall, with its siliceous valves.
4. The rejected scoriæ have been found to be composed of siliceous matter 59, oxide of copper 1, oxide of tin 0·7.
5. These siliceous particles in their descent serve to extricate the air from the mass.