1. A stack of hay will self-ignite if it stays for a long time.

2. Whoosh! your lips expectorate a stream of self-igniting gasoline.

3. Burnt rock is come into being coal bed self-ignite and bring wall rock metamorphose and has special engineering geological characteristics.

4. And the alloy and its hydride did not self-ignite in air.

5. So we can defend self-ignite effectively and abstain or decrease the arises of fire and its losing.

6. This paper analyzes the relations between the tenency of coal self-ignite and the risk of coal dust detonating with concrete examples.

7. The simulated results showed that by preheating the inlet air, natural gas can realize the self-ignite in the separated chamber and burn quickly.

8. Heat gathering was the key factors for iron sulfide self-ignite.